Heat Treatment Technique Research Articles

Drop impacting on a surface with temperature gradient

Drop impacts on compound or patterned surfaces have been widely studied as these surfaces can significantly enhance the richness and diversity of outcomes. In this work, a simple preparation strategy for a surface with a temperature gradient is presented, and the impact of ethanol drops on such a surface is systematically investigated. The experiments reveal that the temperature gradient gives rise to a stiffness gradient. Both the temperature and stiffness gradients make the splash phenomenon of a drop more diverse. Moreover, the temperature gradient also leads to changes in the physical properties of the liquid during the drop spreading, resulting in the asymmetrical spreading of a drop. Quantitative results indicate that after a characteristic time, the drop begins to spread faster in the high-temperature region than in the low-temperature region, which is mainly attributed to the lower liquid viscosity of the drop in the high-temperature zone. This work enriches the understanding of drop impacts on heterogeneous surfaces and may also inspire engineers or researchers to discover more interesting physical phenomena by using surface heat treatment techniques.

OVERVIEW OF CARBON MATERIALS FOR USE IN LITHIUM-ION BATTERIES AND SUPERCAPACITORS

This review article focuses on the study of carbon materials utilized as electrodes in lithium-ion batteries and supercapacitors. The research examines three primary categories of materials: activated carbon, carbon aerogels, and nanoporous carbon. The article provides a comprehensive explanation of the operational principles of many types of capacitor systems, such as double-layer electrochemical capacitors, pseudo capacitors, and hybrid capacitors. The carbon materials under discussion are thoroughly examined with a focus on their synthesis processes, structural features, and electrochemical properties. The study investigates the impact of pore structure, surface area, and the presence of functional groups on electrode performance. The impact of heat treatment and chemical modification techniques on the properties of synthesized carbon structures has been investigated, specifically examining parameters such as temperature and duration. The text examines the benefits and drawbacks of each material type, taking into account their individual capacity, cyclical stability, and economic efficiency. The study emphasizes the importance of precise adjustment of the synthesis process to enhance the electrochemical characteristics and showcases the possibility of employing these materials in sophisticated energy storage devices. This review serves as a crucial resource for experts engaged in developing cutting-edge materials for lithium-ion batteries and supercapacitors. It also highlights potential topics for future research in the realm of electrochemical energy storage.

The Effect of Thermal Treatment Techniques on Physical Properties of Alloy and Composites: A review

Sometimes materials developed for use in technology have some shortcomings in that some of their properties need to be treated or further improved. There are several techniques to treat the shortcomings of materials, such as mechanical treatment, electrical treatment, surface treatment, chemical treatment, and heat treatment, each of these techniques has its characteristics, and each in some way attempts to fix the deficiencies of technological materials. This review focused on the heat treatment technique. There are four main types of heat treatment techniques: annealing, normalizing, hardening, and tempering. Each of them heats the materials and samples differently and cools them in a different way. Annealing, normalizing, hardening, and tempering have significant effects on improving the mechanical properties of materials including hardness, tensile strength, elongation, grain size, roughness and so on. This review attempts to analyze each of the four different heat treatment techniques, and the effect of each on the physical properties of solids is studied by reviewing the literature works.

Silver enhanced 3D carbon nanofiber membrane via electrospinning for high performance lithium metal anodes

A silver (Ag) enhanced 3D carbon nanofiber membrane (Ag@CNFM) was synthesized through a combination of electrospinning and heat treatment techniques, with polyacrylonitrile, polyvinylpyrrolidone, and silver nitrate as precursors playing different roles in this process. Additionally, Ag-enhanced 3D carbon fiber membrane composite anodes were obtained by electrodeposition at a current density of 1 mA cm−2 for 10 h with a total deposition capacity of 10 mAh cm−2. The composite materials (denoted as Ag@CNFM/Li) working in symmetrical cells exhibited 1.2 mV overpotential after charging and discharging over 2000 h at 5 mA cm−2. Ag@CNFM/Li fulfilled a high discharge specific capacity of 109.66 mAh g−1 after 200 cycles at a current density of 0.5 C and 141. 59 mAh g−1 after 150 cycles at a current density of 1 C with LiFePO4 (LFP) and LiNi0.8Co0.1Mn0.1O2 (NCM811) working as counter electrode, maintaining a capacity retention of 87.37% and 72.8%. Even at a higher current density of 5 C, Ag@CNFM/Li retained a discharge specific capacity of 85.05 and 159.14 mAh g−1 with a capacity retention of 61.54% and 79.7% in LFP and NCM811 full cells, respectively.

Advancing the understanding of metal additive manufacturing via physical simulation and in situ transmission electron microscopy: a viewpoint

The complex microstructure evolution and heterogeneities in metal additive manufacturing (AM) continue to delay the adoption of AM parts by additional industries. Achieving uniform and superior properties in AM parts requires better fundamental understanding of the microstructural evolution. A suitable pathway to gain such understanding is via in situ techniques such as high-speed X-ray imaging, high-resolution infrared cameras, or via synchrotron and neutron diffraction. However, these methods are complex and resource intensive. Modeling may be a more economical avenue, yet, to make these models more robust and reliable, data from in situ techniques are often required. We believe that in some cases, physical simulation methods originally developed for research on conventional processing such as forging, rolling, and welding may provide similar insights. This viewpoint article discusses existing experimental methods for tracking the microstructure evolution during AM in lab-scale settings, focusing on Ni-based superalloys as a case study. The proposed physical simulation methods include the Gleeble thermo-mechanical simulator, dilatometry, and the arc-melting heat treatment technique. These methods can also be integrated into various X-ray, synchrotron, and neutron diffraction set-ups. We discuss how insights derived from thermo-kinetic modeling can underpin the experimental observations from physical simulations. Last, in situ transmission electron microscopy is evaluated as a powerful method with unparalleled resolution for observing the microstructure evolution directly during simulated AM processes. We believe that these methods can be extended to other alloy systems, enhancing scientific understanding, and streamlining the efficient development of AM parts with superior and more uniform properties, promoting the more widespread adoption of AM.

Gradient refractive index tellurite glass-ceramics for miniaturized and lightweight MWIR imaging

Tellurite glasses are highly anticipated for creating gradient refractive index (GRIN) lenses, which have the potential to be applied in the lightweight and miniaturization of optical imaging systems to improve their performance. However, it is still challenging to precipitate pure crystalline phases in tellurite glasses after heat treatment to control the refractive index via spatial variation of nanocrystal distribution. Here, we present a novel method for fabricating axial telluride GRIN glass via a gradient heat-treatment technique. Through the selection of glass composition and control of the heat treatment process, pure phase Bi4TeO8 nanocrystals with a high refractive index (n) can be precipitated in telluride glass with a lower refractive index. This allows the axial telluride GRIN structure of maximum refractive index difference Δn ∼ 0.1 to be obtained by modulating the spatial distribution and concentration of Bi4TeO8 nanocrystals. This work not only demonstrates the feasibility of producing GRIN lenses from tellurite glass but also lays the foundation for the future development of medium wave infrared (MWIR) imaging.

Microstructural, mechanical, and corrosion characteristics of Mg–Gd–x systems: A review of recent advancements

Abstract The alloys composed of magnesium (Mg) are deemed appropriate materials for utilization in the automotive, aerospace, and medical sectors due to their exceptionally high specific strength and density. Due to the strengthening mechanisms and superior mechanical properties, Mg–Gd systems pique the interest of researchers. The property enhancement is enabled by the formation of nano-scale stable (β) and metastable (β′) precipitates in the Mg–Gd system. Additionally, the concentration of the various alloying elements significantly influences the formation of the nano-level precipitates. This article presents an overview of the Mg–Gd system, focusing on its microstructure, mechanical properties, and corrosion behavior. In addition, the variety of manufacturing processes utilized to fabricate the Mg–Gd system is also discussed. Enhanced mechanical properties were attained through the combination of casting/deformation methods and various heat treatment techniques. The mechanical and corrosion behaviors have been extensively discussed, in connection to the effects of the second phase/precipitates. This article provides an overview of recent developments pertaining to Mg–Gd alloy and extrapolates potential future developments.

Identification of digestion-resistant peptides in various processed peanut reveals their distinct allergenicity

Peanut protein is a significant food allergen that can trigger severe reactions. The allergenicity of peanut protein may be affected by the thermal processing method and matrices, and its anti-digestibility may also change accordingly. This study investigated how three heat treatment techniques affect the allergenicity and digestibility of peanut proteins and compared the differences in anti-digestive peptide segments by Mass spectrometry. Results showed that boiling and frying reduced sensitization, while roasting potentially increased it. After gastric digestion, allergenicity of Ara h 1 decreases due to breakdown of allergenic peptide segments. Hydrophobic regions of Ara h 1 where monomers interact resist degradation. Compared to boiling and frying, roasting can retain more allergenic peptides containing PGQFEDFF, YLQGFSRN, QEERGQRR, HRIFLAGDKD, and KDLAFPGSGE allergenic epitopes even after prolonged digestion. Meanwhile, digestion-resistant epitopes were affected by matrix and thermal treatments. These findings underscore the potential implications for food processing and allergy management strategies.

Fluorine-free biomimetic membranes with leaf vein-like and lotus leaf dual structure for high-performance waterproof and breathable textiles

Intelligent microporous membranes with excellent water resistance and moisture permeability have a huge market demand owing to their wide applications in personal protection, outdoor equipment and wearable electronics. However, the construction of such high-performance waterproof and moisture-permeable membranes (WBMs) based on a simple preparation process without post-coating treatment presents significant challenges. Herein, we present a simple strategy for constructing a fluorine-free polyethylene terephthalate (PET)-based WBM with a novel composite structure by combining a leaf vein-like nanofibrous substrate membrane and lotus leaf-inspired biomimetic nanofibrous skin using multi-needle electrospinning and heat treatment techniques. Surface hydrophobicity, along with the stable crosslinked structure of PET-based membranes, was achieved by in-suit doping of fluorine-free two-component reactive silicone rubber (PDMS). In addition, the small pore size and high porosity of the composite membranes were regulated by co-assembling PET/PDMS fibers and microspheres with different morphologies and structures. The resulting composite membranes based on substrate membrane-1:3 (BNFM-1:3) achieved excellent waterproof performance of 90.3 kPa, good moisture permeability of 5116 g m−2 d−1, and air permeability of 1.82 mm s−1. The WBMs based on novel composite structures are expected to be applied in various fields because of their ideal comprehensive performance.

Strength-ductility mechanism of combined heterostructured CoCrFeMnNi high-entropy alloy prepared by laser heat-treatment process

Two types of typical combined heterostructured CoCrFeMnNi high-entropy alloys with superior mechanical properties that evade the strength-ductility trade-off are fabricated using laser heat-treatment process. The lamellar grain structure with relatively high microhardness can hardly be observed due to the short time annealing at low temperature (873 K for 5 min) before laser scanning. The hetero-deformation induced strengthening, as well as the excellent deformation ability of the bottom hard region which can enhance the interaction between nanotwin-dislocation and maintains the large microhardness difference among the soft-hard layers, are the main factors that improve the yield strength of CoCrFeMnNi high-entropy alloy. Moreover, the combined heterostructured structure without lamellar deformed bands is demonstrated to have a relatively better uniform elongation, which is attributed to the stronger deformation ability of the non-recrystallized grains in the bottom hard region and the effective delay of the crack growth. Consequently, the combined heterostructured structure without lamellae is a promising way to simultaneously improve the strength and ductility, which can be efficiently prepared by the laser surface heat-treatment technique.

Chemical characterization of heat‐treated kraft lignin after fractionation with organic solvents and pH effect

AbstractLignin, the main source of renewable aromatics, has a complex structure, high polydispersity, and low reactivity, which hinders its large‐scale use. This study aims to improve lignin reactivity through heat treatment combined with fractionation by organic solvents or the pH effect. Heat treatment of commercial hardwood black liquor was performed at 225 °C for 150 min. The samples were then fractionated either by using organic solvents (ethyl acetate, ethanol, methanol, and acetone) or by lowering pH using hydrochloric acid (HCl) (pH values 1, 3, 5, 7, and 9). The fractionation was carried out in one step and in sequential mode. The fractionated samples were characterized chemically by the content of acid‐soluble and acid‐insoluble lignin, carbohydrates, ash, inorganic compounds (metals), elemental analysis, and by pyrolysis‐gas chromatography–mass spectrometry (Py‐GC–MS). The highest mass yields were obtained using the one‐step mode for both fractionations, with yields as high as 53.3% for organic solvents and 47.8% for the pH effect. Solvent fractionation reduced ash content by up to 75.4% and increased calorific value, carbon content, and total lignin content. Fractionation by pH effect showed an ash reduction of up to 55.9% and an increase in calorific value and carbon content of up to 8.7 MJ kg−1 and 49.7%, respectively. The Hansen solubility parameters were also calculated to address lignin's solubility in each of the tested solvents. These findings indicate that combining heat treatment and fractionation techniques improves lignin's chemical properties significantly, making it a more viable raw material for industrial use. This approach supports the circular economy by transforming lignin into a high‐value product, thereby promoting sustainable and efficient resource utilization across industries.

Evaluating the Impact of Oxidation Heat Treatment and Dual Opaquing Techniques on Enhancing Metal-Ceramic Bond Strength.

This research aims to assess the impact of oxidation heat treatment (OHT) and dual opaquing techniques on enhancing the bond strength between metal and ceramic. Eighty rectangular patterns with dimensions of 0.5x3x25 mm (according to ISO 9693-2012) were fabricated in a custom-made silicon mold by using auto-polymerized pattern resin material. These rectangular patterns were cast using base metal alloys. The samples were split into two primary groups: group A, subjected to OHT, and group B, without oxidation treatment. Each primary group was then split up into subgroups according to the application of single layers (group A1, B1)or double layers (group A2, B2) of opaque porcelain.After pre-surface treatment and Ceramco 3 paste opaque application, dentin porcelain (Ceramco 3) wasapplied to the mid-region of the samples, followed by firing to achieve a standardized thickness. Flexural strength determination was conducted via a three-point bend test performed on the universal testing machine (UTM) (Instron Corp., Model 2519-107, USA), adhering to ISO standard 9693. Post-testing failure types were analyzed by morphological assessment of debonding surfaces via a scanning electron microscope (SEM). The statistical analysis was performed with SPSS version 16, incorporating ANOVA for intergroup analysis and independent t-tests for intragroup comparisons. Group A2 exhibited the highest mean flexural bond strength (P<0.05) at 41.85 MPawhen compared to group A1 at 37.60 MPa, group B2 at 35.47 MPa, and group B1 with the least mean flexural bond strength at 30.41 MPa. SEMobservations revealed cohesive bond failure for groups A1, A2, and B2and adhesive bond failure for groupsB1. It is evident that OHT and opaquing technique are important factors in determining the bond strength of ceramo-metal restorations. When combined, these techniques greatly increase the overall success and durability of metal-ceramic restorations, underscoring their significance in contemporary dental prostheses.

CARACTERÍSTICAS ACÚSTICAS DA MADEIRA DE ROXINHO (&lt;i&gt;PELTOGYNE SP.&lt;/i&gt;) TRATADA TERMICAMENTE

The present research aimed to develop products for the musical instruments market using wood modified through heat treatments. Initially, a survey of wood traditionally used in musical instruments, or their parts was carried out. Subsequently, bibliographic research about the wood modification treatments was produced to know the technical limits and their characteristics and to identify which of these can be applied in Brazilian woods, being then chosen as the technique of heat treatment with the application of temperatures of 160ºC and 200ºC carried out in laboratory ovens. From this, the musical instrument xylophone was chosen as a test product to evaluate the use of the chosen technique of modification for the roxinho wood (Peltogyne sp.). Thus, the musical instrument was designed and produced with untreated wood and treated with the mentioned temperatures and evaluated the mass loss, specific gravity, resonance frequency, sound propagation velocity and dynamic modulus of elasticity (MOEd). The results indicated that the treatment with the temperatures used increased the sound propagation velocity and the MOEd, even with the decrease in the apparent density. The production of the product also showed a significant gain in relation to the final timbre when compared to untreated wood. Thus, the use of temperature at 160ºC is indicated as a technological product that can increase the final quality of the musical instrument.

Multiferroic properties of NiFe2O4-Ba0.7Ca0.3TiO3 nanocomposites

In this report, we present results on the multiferroic properties of four nanocomposite samples of NiFe2O4-Ba0.7Ca0.3TiO3 (NFO/BCTO), which were fabricated through combinations of high-energy ball milling, heat treatment, and spark plasma sintering techniques. Structural analyses revealed that these samples simultaneously contain two phases of nano-sized NiFe2O4 (NFO) and Ba0.7Ca0.3TiO3 (BCTO) crystals. The addition of NFO into the BCTO-host did not alter the crystal structure but significantly improved the multiferroic characteristics compared to pure BCTO. Furthermore, variations in saturation magnetization (M s) and coercivity (H c) were investigated as a function of temperature. The results showed that Ms increased gradually with the concentration of NFO. In terms of temperature dependence, M s(T) data deviated from the Bloch’s law with an exponent coefficient α changing in the range of 1.8–1.9, decreasing gradually as the NFO concentration increased. Meanwhile, H c decreased gradually as the NFO concentration increased and followed the Kneller’s law in terms of temperature dependence.

Enhanced mechanical properties and anti-wear performance of Cu45Mn8Ni40Sn7 medium entropy bronze alloy by multi-stage heat treatment

High/ medium entropy brass and bronze alloys exhibit considerable potential for application as structural materials. This study focuses on a Cu45Mn8Ni40Sn7 medium entropy bronze alloy that demonstrates excellent hardness, compressive strength, ductility, and wear resistance through a multi-stage heat treatment technique. The effects of heat treatment on the phase composition, microstructural evolution, mechanical properties, and tribological performance of the alloy were systematically investigated. The alloy, treated by homogenization (820 ℃/4 h)-solution (900 ℃/1 h)-aging (450 ℃/5 h), exhibits a hardness of 362 HV, yield strength of 626 MPa, ultimate strength of 1229 MPa, compressive strain of 47.2 %, fracture toughness of 20.7 MPa·m1/2, and maintains a low wear rate of 1.72×10−5 mm3·N−1·m−1. The processes of homogenization and solution treatment reduce dendrite segregation of elements and eliminate the detrimental lamellar structure at the grain boundaries. During the aging treatment of the alloy, sub-micron scale needle-like precipitates are formed, which play a significant role in enhancing its mechanical properties.

Methods for the Inactivation of Mycobacterium tuberculosis: a Systematic Review of the Literature.

To systematize published laboratory methods to inactivate Mycobacterium tuberculosis (MTB) and to describe their effectiveness. We carried out a review of the scientific literature to identify the publications that reported methods for the inactivation of MTB, according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses recommendations. The search addressed inactivation methodologies used in Public health laboratories for the treatment of biological material and only included studies reporting the efficacy of the method. The database used were PubMed (National Library of Medicine) and LILACS (Latin American and Caribbean Literature in Health Sciences). We evaluated the quality of the studies with the JBI (Joanna Briggs Institute) Critical Instrument Appraisal Checklist. We included 14 publications meeting the established inclusion and exclusion criteria. These 14 studies actually described a total of 35 inactivation methods. Most of them combined heat treatment with some chemical or enzymatic agent, and there were very few applying a single strategy. Twenty-four (68.57%) methods demonstrated significant efficacy in inactivating MTB. The systematic review identified 35 methods of inactivation of MTB, published in 14 studies. Most of the methods combined physical treatment techniques, especially heat, with chemical and/or enzymatic treatment techniques, obtaining mostly good results in preventing the reproduction of the microorganism. PROSPERO (International Prospective Register of Ongoing Systematic Reviews) (Code CRD42024503621).

Bacteria Elimination of Xanthomonas axonopodis pv. glycine and Improvement of Viability of Soybean Seeds Through a Combination of Temperature and Duration of Dry Heat Treatment

Soybean is the main food crop in Indonesia, besides rice and corn, and its need continues to increase. &lt;em&gt;X. axonopodis &lt;/em&gt;pv&lt;em&gt;. glycine&lt;/em&gt; (Xag) is a pathogen that causes bacterial pustule disease in soybeans, which can cause soybean productivity to decrease by 57.61%. Xag is also a seed-borne pathogen that spreads through seeds, reaching 8%. Therefore, this study aims to determine the optimum combination of dry heat treatment techniques to eliminate Xag and increase seed viability and vigor. The study was arranged in a randomized complete factorial design consisting of 2 factors: the temperature factor of control, 25 and 45°C, and the duration factor of 6, 12, and 18 hours. Soybean seeds inoculated with Xag were then given a dry heat treatment (DHT) treatment of 100 seeds each. Then, the population of Xag bacteria, germination, vigor index, and seed viability were calculated. The results showed that DHT with a temperature of 45 °C was the best in suppressing the Xag population but reduced soybean seed viability. Therefore, the optimal combination of DHT to eliminate and maintain seed viability is at 25 °C for 12 hours.

Radiation shielding, optical, structural, morphological, and thermal features for tellurite glass ceramics

A new series of tellurite glass-ceramic was prepared for potential utilization in the radiation shielding field. The thermal features of parent glasses were assessed to choose the best heat treatment technique. The morphological and structural properties of glass ceramics were investigated by scanning electron microscope (SEM), X-ray diffraction (XRD), and Fourier transform infrared (FTIR). The UV absorption was utilized to calculate the optical features of glass ceramics. The shielding properties were computed based on the Phy-X software. The transformation of glasses to glass ceramics enhanced the density of all glass ceramics. XRD results exhibited an orthorhombic BaTeO3 crystalline phase for the TMSB0 and TMSB5 samples. It is proved that the monoclinic molybdenum tellurium oxide (Mo5TeO16) crystalline phase for TMSB10, TMSB15, and TMSB20 samples. Also, the change in crystalline phase resulted from adding MoO3 instead of TeO2. SEM results affirmed the role of MoO3 in improving the structure of glass ceramics. The thermal stability and weight loss of TMSB20 samples are higher than other glasses. Also, the adding MoO3 led to a slight enhancement in the radiation shielding properties of the prepared samples. Data indicate that adding MoO3 to the glasses enhanced the glass-ceramic samples' thermal, structural, and radiation protection properties.

Influences of heat treatment on mechanical properties of SCF/PEEK composites in FDM‐3D printing process with UV laser assistance

AbstractFused deposition modeling (FDM) process with laser assistance can effectively enhance the interfacial strength of short carbon fiber/poly‐ether‐ether‐ketone (SCF/PEEK) composites. However, excessive crystallization of the semi‐crystalline matrix generally results in irregular shrinkage, which seriously deteriorates dimensional accuracy of composite specimens. To overcome this issue, we establish a novel heat treatment technique by the combinations of laser assistance and post‐treatment to improve the interlayer properties and dimensional accuracy simultaneously. It is found that lateral cracks at the interlayer interfaces can be completely eliminated at laser pre‐heating temperature , due to the reduction of temperature gradient and residual stresses. The further increased evidently promotes molecular diffusion and crystallization behaviors, thus increasing the interlaminar shear strength of FDM‐printed specimens. The post‐treatment temperature visibly promotes mutual diffusions of the molecules and formations of the perfect crystals, strengthening the interlayer adhesion of specimens. The proposed combination technique can increase the interlayer strengths of composite specimens by approximately 22.5%, while their warpage deformations are suppressed simultaneously.Highlights Pre‐heated temperature was a threshold for eliminating lateral cracks at interlayer interfaces. Post‐treatment significantly promoted molecular diffusion and crystallization behaviors. A novel technique was established to improve interlayer strength while suppressing warpage. The combination technique could increase the interlayer shear strength by approximately 22.5%.

Synergistic enhancement of optical properties in erbium-doped borate glasses through copper nanoparticle incorporation

The present study investigated the impact of incorporating copper nanoparticles (CuNPs) on the optical properties of erbium-doped borate glasses. Through melt-quenching and heat treatment techniques, glasses with varying Cu2O concentrations (x = 0–5 mol%) were synthesized. Physical and structural analyses revealed that Cu ions serve as effective network modifiers. They foster the formation of a greater proportion of BO4 tetrahedra and thus enhancing glass homogeneity. Optical absorption spectra demonstrate a distinct modulation of Er3+ absorption bands with Cu2O embedding, indicating the formation of CuNPs, as validated by the emergence of surface plasmon resonance bands. This structural evolution results in a noticeable reduction in the bandgap energy, signifying improved semiconducting behavior. Judd-Ofelt analysis highlighted the profound influence of CuNPs on hypersensitive transitions, thereby affecting oscillator strength. Photoluminescence measurements revealed amplified emission in the visible red and near infrared (NIR) region, attributed to the synergistic effects of CuNPs and Er3+ ions, with 5 mol % Cu2O exhibiting the highest emission intensity. Analysis of the radiative properties validates the enhancement of the emission cross-section, gain bandwidth, optical gain and radiative transitions. These enhancements contribute to a notable increase in the branching ratio from 0.91 % to 5.41 % accompanied by an increase in the quantum efficiency from ∼79 % to ∼90 %. Moreover, decay analysis revealed a notable enhancement in lifetime from 3.03 ms to 15.74 ms, which is indicative of enhanced radiative transitions. Overall, the incorporation of CuNPs into erbium-doped borate glasses facilitates significant enhancements in physical, structural, and optical properties. This positions them as promising materials for a wide array of optoelectronic applications. This comprehensive study sheds light on the complex interplay between CuNPs and erbium-barium borate glasses, offering valuable insights for the development of advanced optoelectronic materials with enhanced performance and functionality.