Retraction notice to "A novel γ‒BMO@BMWO Z‒Scheme heterojunction for promotion photocatalytic performance: Nanofibers thin film by Co‒axial‒electrospun" [Environ. Res. Volume 219, 15 February 2023, 115154

This study describes the effects of polyurethane/loess powder (PU/LP) nanofiber thin films composite produced from electrospun for absorption volatile organic compounds (VOCs) from air. Environmental issue has become a focus with improving people's living quality. The VOCs are one of the factors that affect the environmental safety. So, in order to improve the environment and safety for people, many air cleaning techniques have been investigated. One of the methods is nanofiber filtration technology. In this study, the PU nanofiber thin film has been studied that it has the adsorption of VOCs capacity, and LP nanoparticles (NPs) can be used as an additive to load into PU nanofiber thin film by electrospinning. For studying PU/LP nanofiber thin films's absorption of VOCs capacity, 4 samples (0, 10, 30, and 50 wt% LP with respect to PU) were manufactured, respectively. The results show that PU composite mats containing 30 wt% LP NPs has the highest VOCs absorption capacity, and the adsorption capacity for toluene was the highest compared to benzene and chloroform.

In this study, poly(acrylic acid) and multiwalled carbon nanotubes (PAA/MWNTs) composite nanofiber thin film was prepared on fluorine doped indium tin oxide–coated glass substrate through electrospinning method. The electrospun PAA/MWNTs nanofiber thin film was modified with layer–by–layer (LbL) self–assembled multilayers of glucose oxidase (GOD) and poly(dialyldimethylammoniumchloride) (PDADMAC) prior to employ for glucose detection. The obtained nanofiber thin film was characterized by scanning electron microscopy and electrochemical impedance spectroscopy. The prepared nanofibers thin film shows a good potential for detection of glucose at constant applied potential through an electrochemical method.

Optical properties of Si/SiO[formula omitted] nano structured films induced by laser plasma ionization deposition

The thermal conductivity of Polycaprolactone (PCL) nanofiber thin films produced via an electrospinning method has been studied using the 3ω method. The production process utilized to produce the nanofibers used in this work were selected from a range of tested production processes with preference given to process parameters that produced consistently sized polymer nanofibers, nanofibers devoid of defects, and parameters that increased the general alignment of the resulting PCL nanofiber thin film. The effect of the void portion of a PCL nanofiber thin film is observed with increasing void percentange inversely affecting the effective thermal conductivity of the nanofiber thin film in both the in-planer and crossplaner directions, but increasing the portion of heat energy conducted along the in-planer direction. The data in this work concludes the thermal conductivity of the nanofibers tested is 20% higher in the in-planer direction than in the cross-planer direction, with the highest recorded thermal conductivity being 4.82 Wm-1K-1.

In this work, the electrical and electroluminescence properties of para‐hexaphenylene (p6P) thin films and nanofibers have been investigated in a field‐effect transistor device configuration with interdigitated source‐drain bottom contact electrodes. P‐type behavior of thin films is observed with a mobility of 1×10‐6 cm2/Vs and a threshold voltage around ‐30 V. AC gated devices show electroluminescence for both thin films and stamped nanofibers even when the drain electrode is floating. This suggests either hole and electron injection from the same electrode or impact ionization. The highest electroluminescence intensity is observed from thin film FETs with a 2.5 µm source‐drain gap. (© 2010 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

A nanofiber (NF) thin film is proposed as a new sensing interface for chemical and biochemical sensor applications. NFs made of Poly-Lactic Acid-Co-Glycolic Acid (PLAGA) polymer with the diameters about 500 nm were deposited on the gold surface of a thickness shear mode (TSM) micro viscoelastic sensor operating at 10 MHz. The NF thin film coated TSM sensors exposed to gaseous and liquid media under various ambient conditions.

Fluorescent sensing copolymers: Synthesis, nanofiber fabrication and application in picric acid sensors

Nano-fibrous ZnO thin films were grown on porous silicon (PS) by sol-gel spin-coating method. Atomic force microscopy, X-ray diffraction, Raman, and photoluminescence were carried out to investigate the structural and optical properties of the nano-fibrous ZnO thin films. When the nano-fibrous thin films were grown on PS, their residual stress could be reduced, and the full width at half maximum (FWHM) of the ZnO (002) diffraction peak and near-band-edge emission (NBE) peak were decreased, indicating that the optical as well as the structural properties were enhanced. Furthemore, white light emission was observed from nano-fibrous ZnO thin films grown on PS.

Syntheses, characteristics, wettability, and antibacterial activity of a titanium phos‐ phate nanobelt thin film and titanate nanofiber thin films formed on titanium plates are presented in this chapter.

A novel γ‒BMO@BMWO Z‒Scheme heterojunction for promotion photocatalytic performance: Nanofibers thin film by Co‒axial‒electrospun

Expression of Concern: "A novel γ‒BMO@BMWO Z‒Scheme heterojunction for promotion photocatalytic performance: Nanofibers thin film by Co‒axial‒electrospun" [Environ. Res., 219 (2023) 115154

The goal of this paper was to investigate the optical properties of the nanofibrous structures synthesized by plasma ionization at a various number of pulses manipulated by laser frequency and scanning speed. Through experimental analyses, it was determined that more nanofibers were generated at higher frequencies and slower scanning speeds. Also, it was found that generated nanofibers have hybrid structures of both silicon and silicon oxide due to being prepared under ambient conditions and rapid cooling process. Slower scanning speeds produced greater amounts of silicon oxide as the average surface temperature is above the oxidation threshold; however, increasing the pulse numbers via the laser frequency has a reverse effect as at higher frequency, the average surface temperature is lower. This was confirmed through both experimental and theoretical results obtained via computerized simulations.

Self-cleaning study of SiO2 modified TiO2 nanofibrous thin films prepared via electrospinning for application in solar cells

Magnetite (Fe <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">3</sub> O <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">4</sub> ) nanoparticles with diameters ranging from 6-8 nm were produced with polyol process, and mixed with pyrrolidone to serve as a precursor for electrospinning process. A uniform nanofiber film were produce with such solution, which exhibits improved quality over previous attempt. Such nanofiber thin film can be used in sensors.

Preparation of Nafion/poly(vinyl alcohol) electro-spun fiber composite membranes for direct methanol fuel cells