Results 151 to 160 of about 936 (253)

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

open access: yesENERGY &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   +3 more
wiley   +1 more source

Modeling and Output Optimization of Triboelectric Microphone for Acoustic Energy Harvesting

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
This work elucidates the fundamental multiphysics coupling mechanisms governing acoustic T‐phone, providing a critical theoretical foundation and a predictive design paradigm for the future engineering and deployment of next‐generation, self‐powered acoustic sensors.
Dan Liu   +6 more
wiley   +1 more source

Lignocellulosic Triboelectric Materials for Energy Harvesting and Emerging Applications: A Review on Lignin‐Molecular Engineering toward Improved Performance

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Contrasting sustainable biomass with depleting petroleum resources, this review charts the evolutionary timeline of lignin‐based TENGs. We systematically evaluate their fundamental mechanisms, enhancement strategies, and applications in green self‐powered electronics.
Yuxin Yang   +9 more
wiley   +1 more source

Self-powered mechanoluminescent elastomer for solar-blind ultraviolet emission. [PDF]

open access: yesLight Sci Appl
Lv X   +10 more
europepmc   +1 more source

High‐Strength, Fluorescent, Triboelectric Cellulose Hydrogel‐Derived Plastics Through Molecular Network Engineering for Energy Harvesting and Motion Sensing

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Multifunctional cellulose hydrogel‐derived plastics (FCBPs) are fabricated via a novel molecular network engineering strategy involving epoxy cross‐linking, solvent exchange, and hot‐pressing techniques. The resulting materials exhibit high mechanical strength, excellent thermal/solvent resistance, stable fluorescence, complete biodegradability, and ...
Fuyuan Lu   +11 more
wiley   +1 more source

Transparent and Photovoltaic Water–Semiconductor Interface for Ultra‐Low‐Light Omnidirectional Photodetection

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
A self‐powered photodetector using a static water–ZnO interface forms a Schottky‐like photovoltaic junction for ultra‐low‐light sensing. It delivers strong photoresponse, 360° detection, and flexibility, advancing transparent and sustainable water‐based optoelectronics.
Sanh Vo Thi   +7 more
wiley   +1 more source

A Body‐Coupled Electronic Skin With Branch‐Enhanced Grid Architecture for Fine Tactile Sensing

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Ambient power‐frequency electric fields, commonly regarded as harmful environmental exposure, are converted into a usable energy source for self‐powered tactile sensing. A branch‐enhanced grid electronic skin based on body‐coupled electric‐field sensing is developed, where branched conductive networks enlarge the effective sensing area and enable ...
Guoliang Ma   +9 more
wiley   +1 more source

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