White Film Research Articles

ANALISIS FILM PUTIH ABU-ABU DAN SEPATU KETS MELALUI LAYANAN BIMBINGAN DAN KONSELING UNTUK MENCEGAH PERGAULAN BEBAS DI SMA KARYA 45 BANGUN REJO MUSI RAWAS

This research is motivated by students stating that they are lazy to follow lessons such as not taking attendance, not doing assignments, spending time playing games, and holding meetings with the opposite sex in one basecamp to have fun with their girlfriends. From these actions, which caused students to drop out of school due to pregnancy outside of marriage. The aim of this research is to find out whether the effect of the film White Gray and Sneakers is effective through guidance and counseling services to prevent promiscuity, this study uses a quantitative descriptive method. Based on the results of the study, it was found that the level of students' understanding of promiscuity before the screening of the film White Gray and Sneakers had an average value of 84.04, the level of understanding of students about promiscuity after the screening of the film White Gray and Sneakers had an average value of 86, 98 with a difference of 2.94. The results of statistical tests using the Paired Sample T-test showed that the P value 0.05, which was 0.000, meaning that there was an effect of the effect of the White Gray film and effective sneakers through guidance and counseling services to prevent promiscuity in SMA Karya 45 Bangunrejo Musi Rawas .

Crosslink-enhanced strategy to achieve multicolor long-lived room temperature phosphorescent films with excellent photostability

Room temperature phosphorescence (RTP) films have recently attracted increasing attention due to their excellent luminescent properties for information encryption, optoelectronic devices, and sensors. However, polyvinyl alcohol (PVA) films with abundant hydrogen bonds to suppress triplet energy dissipation suffered from the humidity induced phosphorescence quenching under storage in the air for a long time. In this work, poly(acrylic acid) (PAA) was selected to crosslink PVA matrix through esterification reactions for preparing water resistant RTP films. The blue, cyan, and orange emissive RTP films were successfully obtained by incorporating three different organic compounds into PVA-PAA crosslinking films. Crosslinking strategy significantly improved the phosphorescence emissions of the doped films, and effectively blocked the absorption of water molecular, leading to the excellent photostability of the developed films. As a proof of concept, the white light phosphorescence film and anti-counterfeiting applications were successfully demonstrated.

Camera Work

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Novel High-Performance and Low-Cost Electrochromic Prussian White Film.

Prussian white (PW), due to its low cost, easy synthesis, open structure, and fast ion extraction/interaction, is introduced to the electrochromic field. The PW films were successfully grown on indium tin oxide (ITO) glass by a facial hydrothermal method. Impressively, the PW film exhibits excellent electrochemical cycling stability without obvious decay over 10 000 cycles and a high coloration efficiency of 149.3 cm2 C-1. The film also provides the large optical transmittance contrast (over 70%) in a wide wavelength range of 650-800 nm. Furthermore, the PW film shows the rapid coloration and bleaching response. These results suggest that PW is a promising practical candidate of high-performance electrochromic material.

Kinetics of microplastic generation from different types of mulch films in agricultural soil

Upon environmental weathering, plastic materials form smaller sized microplastics, of which the contamination in agricultural fields is of significant importance and increasing social concern. Plastic mulch films are considered a major source of agricultural soil microplastic pollution. However, the mechanism and kinetics of microplastic formation from plastic mulch films were rarely understood. In this study, the rate of microplastic generation from typical mulch films, such as oxodegradable, biodegradable, and conventional non-degradable (polyethylene, PE) mulch films, were quantified in soil under simulated UV irradiation. Results showed that microplastic formation was more rapid from biodegradable mulch film, followed sequentially by oxodegradable mulch film, white PE mulch film, and black PE mulch film. The kinetics of microplastic generation strictly followed the Schwarzchild's law, with exponential growth at indexes between 1.6309 and 2.0502 in the microplastic generation model. At a cumulative UV irradiation of 2.1 MJ/m2, the average quantity of microplastics released from biodegradable, oxodegradable, and white and black non-degradable mulch films were 475, 266, 163, 147 particles/cm2, respectively; with particle sizes largely distributed within 0.02–0.10 mm range. Concurrent increase in crystallinity and surface erosion of the mulch films were observed upon UV irradiation, which further determined the accessibility and activity of the materials to photo-oxidation (reflected as HI indexes), therefore played a critical role on the quantity and size ranges of microplastic debris.

Abnormal resistive switching in electrodeposited Prussian White thin films

Prussian White (PW) layers were deposited on Au/Cr/Si substrates by electrodeposition and characterized by different techniques. Scanning electron microscopy (SEM) images and Raman mapping reveal a uniform and homogeneous deposit while scanning transmission electron microscopy (STEM) images disclose the grain boundary pattern and the thickness of 300 nm of the PW layer. Resistive switching (RS) effect with an ON/OFF ratio of about 102 was observed. The RS mechanism was investigated from the log-log current-voltage plots. Ionic conduction was observed with an activation energy of 0.4 eV that could be associated with potassium ions as possible charge carriers at the grain boundaries. The endurance characteristics were investigated and a stable abnormal RS was observed for consecutive 500 cycles. Moreover, the retention was also evaluated and the high resistive state (HRS) and low resistive state (LRS) were stable up to 1000 s.

Effects of Different Plastic Mulching Film on Soil Hydrothermal Status and Water Utilization by Spring Maize in Northwest China

The problem of residual film pollution in farmland caused by polyethylene mulching films is serious. The application effects of different mulching films combined with drip irrigation on maize planting in the Ili area, Xinjiang, China, were explored. In this study, four types of mulching films and non-mulching treatment were used to study the degradation properties of different plastic mulching and their effects on the dynamic changes of soil moisture, heat, and crop yields of maize under drip irrigation. The results showed that after 160 days of mulching film, only small cracks appeared in polyethylene mulching films. The degradation performance of white oxo-biodegradable film treatment was optimal than the black oxo-biodegradable film treatment. The quality loss rate of the two biodegradable films were 52.26 and 48.48%, respectively. Various mulching film treatments could increase soil moisture in the early stage of maize growth. At the 0–60 cm soil layer, the soil moisture under the white oxo-biodegradable mulching film and black oxo-biodegradable mulching film treatments were lower by 2.75 and 2.66% (p < 0.05) than the white polyethylene mulching film and black polyethylene mulching film treatments. The soil water consumption was highest in the non-mulching treatment, followed by biodegradable film, and the small least value was observed in the polyethylene film treatment. The average soil temperature at depth of 0–15 cm in white polyethylene mulching film, black polyethylene mulching film, white oxo-biodegradable mulching film, and black oxo-biodegradable mulching film treatments were 1.43, 1.16, 0.72 and 0.64°C higher than the non-mulching treatment, respectively. Mulching films treatment played a critical role in increasing production and improving water use efficiency. The black polyethylene mulching film treatment had the highest yield and the best water use efficiency. The black oxo-biodegradable mulching film treatment only reduces the yield by 0.33% compared to the black polyethylene mulching film treatment, and the water use efficiency was only reduced by 0.90% (p > 0.05). Comprehensive analysis showed that black oxo-biodegradable mulching film could be used as a substitute for polyethylene mulching film and can be applied to the production practice of drip irrigation maize in the Ili area.

Investigations on the interactions of proteins with nanocellulose produced via sulphuric acid hydrolysis

The investigation of protein–nanoparticle interactions contributes to the understanding of nanoparticle bio-reactivity and creates a database of nanoparticles for use in nanomedicine, nanodiagnosis, and nanotherapy. In this study, hen's egg white was used as the protein source to study the interaction of proteins with sulphuric acid hydrolysed nanocellulose (CNC). Several techniques such as FTIR, zeta potential measurement, UV–vis spectroscopy, compressive strength, TGA, contact angle and FESEM provide valuable information in the protein–CNC interaction study. The presence of a broader peak in the 1600–1050 cm−1 range of CNC/egg white protein FTIR spectrum compared to the 1600–1050 cm−1 range of CNC sample indicated the binding of egg white protein to CNC surface. The contact angle with the glass surface decreased with the addition of CNC to egg white protein. The FESEM EDX spectra showed a higher amount of N and Na on the surface of CNC. It indicates the density of protein molecules higher around CNC. The zeta potential of CNC changed from −26.7 ± 0.46 to −21.7 ± 0.2 with the introduction of egg white protein due to the hydrogen bonding, polar bonds and electrostatic interaction between surface CNC and protein. The compressive strength of the egg white protein films increased from 0.064 ± 0.01 to 0.36 ± 0.02 MPa with increasing the CNC concentration from 0 to 4.73% (w/v). The thermal decomposition temperature of CNC/egg white protein decreased compared to egg white protein thermal decomposition temperature. According to UV–Vis spectroscopy, the far-UV light (207–222nm) absorption peak slightly changed in the CNC/egg white protein spectrum compared to the egg white protein spectrum. Based on the results, the observations of protein nanoparticle interactions provide an additional understanding, besides the theoretical simulations from previous studies. Also, the results indicate to aim CNC for the application of nanomedicine and nanotherapy. A new insight given by us in this research assumes a reasonable solution to these crucial applications.

Review: Filthy Dreamers. University of Central Florida

Review| November 01 2021 Review: Filthy Dreamers. University of Central Florida Filthy Dreamers. University of Central Florida Burnett Honors College Advanced Documentary Workshop Students, Writers and Producers.1 Robert Cassanello and Lisa Mills, Directors. 2013 and 2015, University of Central Florida, 2013 and 2015; 27 minutes. Jessica Derleth Jessica Derleth Historical Consultant Search for other works by this author on: This Site PubMed Google Scholar The Public Historian (2021) 43 (4): 118–120. https://doi.org/10.1525/tph.2021.43.4.118 Views Icon Views Article contents Figures & tables Video Audio Supplementary Data Peer Review Share Icon Share Twitter LinkedIn Tools Icon Tools Get Permissions Cite Icon Cite Search Site Citation Jessica Derleth; Review: Filthy Dreamers. University of Central Florida. The Public Historian 1 November 2021; 43 (4): 118–120. doi: https://doi.org/10.1525/tph.2021.43.4.118 Download citation file: Ris (Zotero) Reference Manager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex toolbar search Search Dropdown Menu toolbar search search input Search input auto suggest filter your search All ContentThe Public Historian Search The documentary Filthy Dreamers opens with a scene that likely feels familiar to many viewers today: a young woman carries luggage to a car then eagerly departs for college, leaving parents to worry about what it means for her to be on her own for the first time. As the young woman steps out into this new period of independence, visual cues—her clothing, the old Ford car, the black and white film—quickly indicate we are not in the 2020s but the 1920s. An interviewee describes her real-life transition to college: “One of the people from our church…came and talked to my mother and said, ‘you know if you send her to this school she’s gonna learn to dance and play cards.’ And my mother said, ‘she already knows how to do all of that!’” These women—labelled “filthy dreamers” by religious activists because they sought a college education—are at the heart... You do not currently have access to this content.

A high-performance electrochromic battery based on complementary Prussian white/Li4Ti5O12 thin film electrodes

Electrochromic energy storage devices (EESDs) have a wide range of applications from static displays to building windows. However, it is a great challenge to assemble EESDs with both high performance of energy storage and electrochromism. In this work, we design a multifunctional EESD composed of a Li4Ti5O12 and a Prussian white. Li4Ti5O12 (E = 1.55 V vs Li/Li+) film with excellent lithium-ion storage performance is used as the anode, and Prussian white film (E = 3.2 V vs Li/Li+) as the cathode. Thanks to the complementary electrochromic behavior, the suitable redox voltage gap, and the intrinsic electrochemical stability of Li4Ti5O12 film and Prussian white film, the as-assembled EESD exhibits excellent electrochromic performances including broad optical modulation (55.3% at 529 nm), high coloration efficiency (170.1 cm2 C−1), and long-term cycling stability (retention of 95.8% of initial optical modulation after 1000 cycles). And the EESD shows high energy density of 127.2 mWh cm−2 and exceptionally high power density of 24 mW cm−2. This EESD with an output voltage of 1.5 V and Coulombic efficiency of 98.8% is promising for applications of electrochromic smart windows and static displays to significantly reduce their energy consumption.

A phosphorated spirobi[thioxanthene] host matrix enables high-efficiency simple white thermally activated delayed fluorescence diodes

Host matrix is crucial for optimizing exciton allocation in all Thermally activated delayed fluorescence (TADF) white Organic light-emitting diodes (OLED). However, only few spiro hosts are competent since unbalanced steric and electronic effects. Herein, a new spiro core 9,9′-spirobi[thioxanthene] (ST) based host STDPO is reported, whose two peripheral diphenylphosphine oxide (DPPO) groups are incorporated to construct tridimensional steric hindrance and Intermolecular hydrogen bond (IHB) network. As consequence, STDPO achieves the high enough first triplet (T1) energy level of 2.93 eV and favorable electron mobility (µe) by the level of 10−5 cm2 V−1 s−1. Simultaneously, the well-modulated intermolecular interactions in STDPO matrix give rise to the synergistic effect of blue and yellow TADF dopants in exciton utilization. The increased rate constants and efficiencies of radiative transitions and reduced nonradiative rate constants render a photoluminescence quantum yield as high as 90% and 100% exciton utilization efficiency of dually doped white TADF film. STDPO further endowed its single-emissive-layer TADF WOLEDs with the record ηPE of 71.8 lm W−1 achieved by spiro hosts.

Mechanochemical Preparation and Self-Assembly of Protein:Dye Hybrids for White Luminescence.

Protein nanofibrils (PNFs) functionalized with multiple dyes are prepared by a combination of mechanochemistry and liquid-phase self-assembly. The three employed dyes are Fluorescent Brightener 378 (F378), 2-butyl-6-(butylamino)-1H-benzo[de]isoquinoline-1,3(2H)-dione (Fluorol 555), and Nile red (NR). F378 acts as the donor with Fluorol 555 as the acceptor. F555 in turn acts as the donor and NR as the acceptor. This enables a FRET cascade that enables conversion of UV light to white light. The efficiency of FRET can be influenced by the details of the self-assembly process. If proteins milled with different dyes are mixed prior to self-assembly, nanofibrils are formed containing all three dyes, thus favoring FRET processes. By tuning the ratio of the three luminescent dyes, PNF dispersions are obtained that display bright white light emission. Moreover, the PNF dispersions can be converted into white luminescent films and gels where the PNFs may help to organize dye molecules. Additionally, the PNF materials can be employed as coatings on commercial LEDs, enabling emission of white light.

Exploring optimal film mulching to enhance potato yield in China: A meta‐analysis

AbstractChina is the world's largest potato (Solanum tuberosum L.) producer. Film mulching is widely used in potato production because it can effectively modify the soil micro‐environment. Here, we conducted a meta‐analysis to quantitatively evaluate the effects of film mulching on the potato yield in China. Film mulching noticeably increased potato yield by an average 32.5%. The enhancement was significantly higher with plastic film (33.5%) than with biodegradable (19.5%) or liquid (16.9%) film. Yield increases under plastic film mulching (PFM) varied across regions, with the largest increases observed in Northwest and North China. The improvements in potato yield tended to increase along with experimental duration and film thickness. Loam and clay loam soils, mulching ratio (ratio of the area of farmland mulched with film to the total area of farmland) of 50–99%, and potato monoculture or rotations with legumes had favorable effects on potato yields under PFM conditions. Whole season film mulching benefitted more from PFM than partial season film mulching, and ridge‐furrow planting benefitted more from PFM than traditional flat planting. White film was more effective in regions having lower average annual precipitation (<400 mm) and temperature (<10 °C), while black film was the opposite. In conclusion, this meta‐analysis suggests the adoption of PFM should be site specific. Moreover, although PFM may significantly enhance potato yield, the development of biodegradable film with comparable mulching effects and the improvement of technology for recovering residual film are important to achieve a sustainable and healthy agricultural industry.

Colloidal deposition of colored daytime radiative cooling films using nanoparticle-based inks

In this study, we fabricated easily applicable and processible colored passive daytime radiative cooling (PDRC) films using a solution process with colloidal nanoparticle-based inks. White PDRC films were prepared using hollow silica nanoparticle (H–SiO2)-based colloidal inks and polymeric binders and spray coating. The films have an average reflectivity of 97.2% and emissivity of 94.3% and their temperature is 6.12 °C lower than the ambient temperature during the daytime at outdoor measurement. We also fabricated colored PDRC films by depositing Cu-based quantum dots (QDs) on white PDRC films. The Cu-based QDs partially absorb light in the visible spectrum, allowing yellow, red, and brown colors, that are highly efficient in preventing heat generation. The absorbed energy is converted into another wavelength and emitted as photons based on the photoluminescence effect. Based on the wavelength conversion, the yellow, red, and brown PDRC films can re-emit powers of 14.06, 28.36, and 43.92 W/m2, respectively, resulting in the prevention of heating. The results of outdoor measurements confirm that the temperature of the yellow and red PDRC films decreases by 3.25 and 0.51 °C, respectively, compared with the ambient temperature. Furthermore, we numerically and experimentally determined the daytime cooling performance of two brown PDRC films with different quantum efficiencies. Our results confirm that these easily processable colored PDRC films are more efficient daytime cooling than commercial paint color films on various substrates.

White and red-dyed kaolin particle films reduce Asian citrus psyllid populations, delay huanglongbing infection, and increase citrus growth

Florida citrus production has declined severely due to huanglongbing (HLB; “citrus greening disease”) caused by Candidatus Liberibacter asiaticus (CLas), a phloem-limited bacterium transmitted by the Asian citrus psyllid (ACP; Diaphorina citri Kuwayama). Kaolin particle films are a tool used to repel insect pests and improve growth. The film covers the natural color of the leaves, which attracts ACP. Kaolin, naturally white in color, has been found to reduce ACP in citrus plantings. Previous research suggests adding a red dye might lead to further ACP reductions by reducing ultraviolet and blue light that attract ACP. We implemented a field experiment to test the effects of white and red-dyed particle films on ACP pressure, CLas infection, and citrus growth over the course of a two-year field study. In this study, white and red-dyed kaolin particle films were applied in young, non-bearing ‘Hamlin’ sweet orange (Citrus x sinensis) trees. The white and red-dyed kaolin treatments reduced ACP pressure and delayed HLB infection, and the red-dyed kaolin particle film was more effective in reducing ACP and in delaying CLas infection. Trees in both the white and red kaolin treatments had greater relative growth rate of trunk cross-sectional area (TCSA) than controls. This effect was observed regardless of CLas infection. Both particle film treatments resulted in greater final TCSA. Our results suggest particle films are an effective alternative to insecticide-based management of ACP and have the added benefit of increasing citrus tree growth under HLB pressure.

Highly Efficient and Wide Range Humidity Response of Biocompatible Egg White Thin Film.

Biopolymers are a solution to solve the increasing problems caused by the advances and revolution in the electronic industry owing to the use of hazardous chemicals. In this work, we have used egg white (EW) as the low-cost functional layer of a biocompatible humidity sensor and deposited it on gold (Au) interdigitated electrodes (IDEs) patterned through the state-of-the-art fabrication technology of thermal vacuum evaporation. The presence of hydrophilic proteins inside the thin film of EW makes it an attractive candidate for sensing humidity. Usually, the dependence of the percentage of relative humidity (%RH) on the reliability of measurement setup is overlooked for impedimetric humidity sensors but we have used a modified experimental setup to enhance the uniformity of the obtained results. The characteristics of our device include almost linear response with a quick response time (1.2 s) and fast recovery time (1.7 s). High sensitivity of 50 kΩ/%RH was achieved in the desirable detection range of 10–85%RH. The device size was intentionally kept small for its potential integration in a marketable chip. Results for the response of our fabricated sensor for dry and wet fingertips, along with determining the rate of breathing through the mouth, are part of this study, making it a potential device for health monitoring.

Effect of Different Cladding Material and Mulching on the Growth and Yield of Cucumber (Cucumis sativus) under Forced Ventilated Greenhouse System

The experiment was conducted at Agricultural Engineering College & Research Institute, Kumulur, (TNAU), Tamil Nadu with the objectives to test the performance of different cladding (blue and white colour polyethylene) and plastic mulches (silver on black colour) on the growth and yield of cucumber (Cucumis sativus L., Fadia F1, hybrid) to find the suitable cultivation practices for obtaining higher yields in semi-arid regions.
 The observations of micro climatic parameters such as temperature, relative humidity, solar radiation, light intensity and soil temperature were recorded in each polyhouse and at control (open cultivation). The plant growth parameters like plant height, number of leaves per plant, number of branches, date of first flowering, number of fruits, individual fruit weight and leaf- area were recorded among all the treatments.
 Among the blue and white polyhouse conditions, favourable solar incidental radiation and light intensity was observed in the white polyhouse as compared to blue polyhouse. Among the plastic mulch and without mulch treatments, the plastic mulch showed negative results under polyhouse cultivation where as positive results on growth and yield parameters at open condition (control). Significant differences were found among the treatments combinations of white poly house condition without mulch treatment on higher fruit size, fruit weight, number of fruits per plant, number of leaves per plant, leaf area and higher yield might be due to higher photosynthetic active radiation than blue polyhouse. The microclimatic condition recorded in blue polyhouse found to be detrimental to the pathogens under certain wave lengths and resulted in lower incidences of pest and diseases but not supported for higher yield due to low light intensity compared to white polyhouse. White polythene film as cladding material for construction of poly house and without mulching is important to achieve higher growth and yield of Cucumber under semi-arid regions.

The role of crystallinity and particle morphology on the sorption of dibutyl phthalate on polyethylene microplastics: Implications for the behavior of phthalate plastic additives

The sorption behavior of phthalate additives in plastic and microplastic litter is an important process controlling the exposure, net health risk and ecotoxicity of these co-occurring pollutants. Plastic crystallinity and particle morphology are hypothesized to be important variables for microplastics sorption behavior, but to date there have been few direct studies to explicitly test for the influence of these parameters. To address this, in this study we explored the sorption of dibutyl phthalate (DBP) as a probe molecule to diverse polyethylene microplastics including irregularly-shaped pure polyethylene microplastics (IPPM), black plastic film microplastics (BPFM), white plastic film microplastics (WPFM), and commercial microspheres (CM), which had crystallinities ranging from 17 to 99%. Sorption kinetics for all materials could be well represented with both a pseudo-first-order (R2 = 0.87–0.93) and pseudo-second-order model (R2 = 0.87–0.93). Further, sorption was highly linear in the concentration range of 0.5–10 mg L−1, with no greater performance from a linear sorption model (R2 = 0.96–0.99) than the non-linear Freundlich or Temkin sorption models. The partition coefficient (Kd) of DBP sorption onto IPPM, BPFM, WPFM and CMs were 1974.55 L kg−1, 1483.85 L kg−1, 1477.45 L kg−1 and 509.37 L kg−1, respectively, showing a significant decrease with increasing crystallinity (r2 = 0.98). The particle size of microplastics (27–1000 μm) is, however, an indecisive factor affecting their sorption behavior for DBP in this study. This study provides new insight that crystallinity plays a governing role on the sorption of phthalate from microplastic. This should be considered in future exposure studies and assessments of phthalates from plastics and microplastics.

Envelope radiation characteristics of stratospheric airship

To investigate the envelope radiation characteristic of stratospheric airship, three kinds of airship models with different dimensions (fineness ratio of 3, 4, 5) are selected. After establishing the thermal equilibrium equations of the selected models, the influence of the envelope radiation characteristic on the envelope and airship gas is first addressed to determine the optimal fineness ratio by considering the flight dynamics characteristics. Furthermore, the effects of envelope emissivity, envelope absorptivity, solar cells radiation characteristics, and typical envelope materials on the envelope radiation characteristics of airship are discussed in depth. The results show that: (1) With the assumption of same absorptivity and emissivity, the larger the fineness ratio of the airship, the smaller the diurnal temperature difference of the main helium gasbag, and the better the thermal characteristics of airship as well. When the envelope radiation characteristics vary, the temperature difference of main helium gasbag with a fineness ratio of 4 in one day is always less than 1 K, compared with the fineness ratio of 5. However, the temperature difference of main helium gasbag with a fineness ratio of 3 exceeds that with the fineness ratio of 5, and reaches its maximum of 6 K. Therefore, the fineness ratio of 4 is regarded as optimal by considering the floating constraints of low drag and high buoyancy. (2) In the case of higher long-wave emissivity and lower short-wave absorptivity of the envelope material and solar cells, the diurnal helium temperature difference is the smallest, and the thermal performance of the aerostat is better. (3) Among the five typical envelope materials, i.e., white Tedlar film, white PU film, silver-plated Teflon film, aluminized PET film, and white PVF film, the aluminized PET film is more conducive to controlling the helium temperature difference and reducing the volume change of gasbags. The aforementioned results can provide a theoretical basis for improving the thermal performance of stratospheric airships.

Fulgide Derivative-Based Solid-State Reversible Fluorescent Switches for Advanced Optical Memory

Fulgide Derivative-Based Solid-State Reversible Fluorescent Switches for Advanced Optical Memory