Results 131 to 140 of about 7,636 (247)

High‐Performance Wearable Triboelectric Nanogenerators Based on Polyethyleneimine‐Doped Cellulose Acetate for Self‐Powered Dynamic Signature Sensing and Verification

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
A high‐performance wearable triboelectric nanogenerator (TENG) based on polyethyleneimine ‐doped cellulose acetate is demonstrated for dynamic signature authentication. The developed TENG with enhanced interfacial polarization and increased surface charge density exhibits excellent mechanical durability, environmental stability, and long‐term ...
Yoon‐Seo Choi, Han‐Bi Kang, Chae‐Eun Kim, Tae‐Jun Ha   +3 more
wiley   +1 more source

Polyethyleneimine Controlled Impregnation of Silver Nanowires on Electrospun Ceramic Sponges

Macromolecular Materials and Engineering
Electrospun sponges with electrical conductivity are promising materials for electrodes with applications in pressure sensors, flexible wearable sensors, and supercapacitors.
Dan Fang, Yi‐Tao Liu, Bin Ding, Andreas Greiner   +3 more
doaj   +1 more source

Polyethyleneimine derivatives as catalysts : dye-binding capacity and reactivity are not diminished on extensive internal cross-linking of the polymers

, 1993
Polyethyleneimine molecules alkylated with naphthylmethyl bromide and benzyl bromide and internally cross-linked by reaction with alkyl dihalides have binding capabilities enhanced by up to twofold.
Williams, Andrew, Stacey, K.A., K.A. Stacey, A. Williams, Weatherhead, Richard H., R.H. Weatherhead   +5 more
core   +1 more source

Chemically Modular, Nonfluorinated Polymer Adsorbents for Capturing Per‐ and Polyfluoroalkyl Substances (PFAS)

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Nonfluorinated polymer networks for PFAS adsorption are synthesized using active ester click chemistry. Incorporating Lewis base ligands along with hydrophilic and hydrophobic co‐monomers leads to high PFOA binding efficiency. Ligand basicity and pH are found to play an important role in PFOA sorption.
Lakshay K. Dhamania, Joshua D. Moon
wiley   +1 more source

Hydroxyl radical induced chemiluminescence of hyperbranched polyethyleneimine protected silver nanoclusters and its application in tea polyphenols detection

, 2017
Selective tea polyphenols detection based on hydroxyl radical induced chemiluminescence of hyperbranched polyethyleneimine protected silver nanoclusters is presented.
Shuang Zhao, Chen Chen, Zenghe Li, Chao Lu, Zhiqin Yuan   +4 more
core   +1 more source

Smart Functional Hydrogels: Emerging Platforms for Thermal and Electrochemical Energy Harvesting and Conversion Systems

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
The hydrogel exhibits versatile functions, including efficient thermogalvanic conversion under a temperature difference, and acting as a cooling layer/forming a thermally conductive nanoactive composite for thermovoltaic conversion. Additionally, its self‐healing and self‐powered flexibility play a key role in energy storage systems. The growing demand 
Eunah Kang
wiley   +1 more source

Thermally Conductive and Electrically Insulating Thermal Interface Materials for Advanced Packaging: From Filler and Interface Engineering to Thermal Networks

Electron, EarlyView.
This review establishes a hierarchical framework linking physical fundamentals, filler and interface engineering, and thermal‐network construction for thermally conductive yet electrically insulating thermal interface materials. It identifies package‐level co‐optimization of heat transport, electrical insulation, processability, and reliability as the ...
Fugeng Wu, Jinbing Zhang, Wentao Shao, Yu Wu, Yinchen Li, Chengjia Weng, Wanli Zhang, Jian Zhen Ou, Wenbo Luo, Yuanfu Chen   +9 more
wiley   +1 more source

Borophene‐based sensing platforms: Pioneering ultrasensitive detection

FlexMat, EarlyView.
Schematic Diagram of Performance Optimization Strategies and Sensing Application Characteristics of Two‐Dimensional Boron‐Based Materials in Novel Sensors. Abstract Borophene is an emerging two‐dimensional (2D) material. Since significant breakthroughs were achieved in the experimental synthesis of borophene, the exploration and development of ...
Chi Yuan, Yanpeng Ji, Yi Liu, Guoan Tai
wiley   +1 more source

Scientific Opinion on the safety evaluation of the substance, poly(12-hydroxystearic acid)-polyethyleneimine copolymer, CAS No. 124578-12-7, for use in food contact materials

, 2011
This scientific opinion of EFSA deals with the risk assessment of the substance poly(12-hydroxystearic acid)-polyethyleneimine copolymer, CAS No. 124578-12-7, REF. No.
Castle, L., Crebelli, R., Bursch, W., Engel, K.-H., Lhuguenot, J.-C., Binderup, M.-L., Svensson, K., Waring, R., Franz, R., Gontard, N., Andon, A., Leclercq, C., Milana, M.R., Husøy, T., Wölfle, D., Pfaff, K., Jany, K.-D., Haertle, T., Mennes, W., Toldra, F.   +19 more
core   +1 more source

Recent progress and challenges in top‐emitting quantum dot light‐emitting diodes

FlexMat, EarlyView.
This review summarizes recent advances in top‐emitting quantum‐dot light‐emitting diodes (TE‐QLEDs), including device architectures, microcavity engineering, angular‐emission management, and operational stability, highlighting optical–electrical–thermal co‐optimization as the key pathway toward reliable, high‐performance TE‐QLEDs. Abstract Top‐emitting
Chengyi Chen, Yuqi Liang, Mian Wei, Qiulei Xu, Huimin Zhang, Zhenghui Wu, Huaibin Shen   +6 more
wiley   +1 more source