Results 61 to 70 of about 8,363 (280)

Self-assisted wound healing using piezoelectric and triboelectric nanogenerators

Science and Technology of Advanced Materials, 2022
The complex process of wound healing depends on the coordinated interaction between various immunological and biological systems, which can be aided by technology. This present review provides a broad overview of the medical applications of piezoelectric
Fu-Cheng Kao, Hsin-Hsuan Ho, Ping-Yeh Chiu, Ming-Kai Hsieh, Jen‐Chung Liao, Po-Liang Lai, Yu-Fen Huang, Min-Yan Dong, Tsung-Ting Tsai, Zong-Hong Lin   +9 more
doaj   +1 more source

3D‐Printed Hygroscopic Polymer Networks for High‐Humidity Triboelectric Nanogenerators to Wirelessly Power Implantable Electronic Devices‐ A Conceptual Pathway

Advanced Functional Materials, EarlyView.
This work develops 3D‐printable tribopolymer networks that can enhance triboelectric performance under high humidity environments. Polar hydrophilic functional groups and incorporation of zwitterionic monomers promote bound‐water–dominated interfacial polarization thereby increasing electrical outputs.
Linguangze Zhuo, Jiawang Zeng, Qian Chen, Valentin A. Bobrin, Deepak Mishra, Anthony Chun Yin Yuen, Yixia Zhang, Cyrille Boyer, Jin Zhang   +8 more
wiley   +1 more source

Flow Control in Wells Turbines For Harnessing Maximum Wave Power [PDF]

, 2018
Oceans, and particularly waves, offer a huge potential for energy harnessing all over the world. Nevertheless, the performance of current energy converters does not yet allow us to use the wave energy efficiently.
Garrido Hernández, Aitor Josu, Garrido Hernández, Izaskun, Lekube Garagarza, Jon, Maseda Rego, Francisco Javier, Otaola Santa Coloma, Erlantz   +4 more
core   +3 more sources

Spontaneously established reverse electric field to enhance the performance of triboelectric nanogenerators via improving Coulombic efficiency

Nature Communications
Mechanical energy harvesting using triboelectric nanogenerators is a highly desirable and sustainable method for the reliable power supply of widely distributed electronics in the new era; however, its practical viability is seriously challenged by the ...
Yikui Gao, Lixia He, Di Liu, Jiayue Zhang, Linglin Zhou, Zhong Lin Wang, Jie Wang   +6 more
doaj   +1 more source

Micro triboelectric ultrasonic device for acoustic energy transfer and signal communication

Nature Communications, 2020
Miniaturizing efficient triboelectric nanogenerators remains a challenge. Here, the authors propose a MEMS-based micro triboelectric device for acoustic energy transfer and signal communication which is capable of generating the voltage signal of 16.8 mV
Chen Chen, Zhen Wen, Jihong Shi, Xiaohua Jian, Peiyang Li, John T. W. Yeow, Xuhui Sun   +6 more
doaj   +1 more source

Leverage Surface Chemistry for High-Performance Triboelectric Nanogenerators

Frontiers in Chemistry, 2020
Triboelectric Nanogenerators (TENGs) are a highly efficient approach for mechanical-to-electrical energy conversion based on the coupling effects of contact electrification and electrostatic induction.
Jing Xu, Yongjiu Zou, Ardo Nashalian, Jun Chen   +3 more
doaj   +1 more source

Tailoring force sensitivity and selectivity by microstructure engineering of multidirectional electronic skins [PDF]

, 2018
Electronic skins (e-skins) with high sensitivity to multidirectional mechanical stimuli are crucial for healthcare monitoring devices, robotics, and wearable sensors.
BCK Tee, C Pang, C Pang, CL Choong, CM Boutry, CM Lochner, D Jang, D Son, FR Fan, GF Mitchell, GR Ruschau, GY Bae, H Park, HH Chou, J Park, J Park, J Park, J Park, J Park, JC Fisher, JG Simmons, JH Lee, JW Jeong, K Hirata, KY Lee, ML Seol, MR Maschmann, N Hu, N Luo, SC Mannsfeld, SH Shin, W Deng, WW Nichols, X Liao, X Liao, Y Zang, Z Huang   +36 more
core   +2 more sources

Smart Face Masks as Wearable Respiratory Sensors: A Review of Sensor Technologies, Materials, and Future Directions

Advanced Healthcare Materials, EarlyView.
This review highlights recent advances in smart face masks that actively monitor breathing. By integrating humidity, gas, temperature, pressure, strain, and triboelectric sensors, these masks track key respiratory parameters in real time. The article summarizes sensor mechanisms, compares performance across studies, and discusses challenges and future ...
Negin Faramarzi, Naseeh Backer Kannanthodi, Alice Nicole Casling, Babar Ali, Samira Lakouraj Mansouri, Alessandro Giuseppe D'aloia, Hossein Cheraghi Bidsorkhi, Maria Sabrina Sarto   +7 more
wiley   +1 more source

Strategies for inorganic incorporation using neat block copolymer thin films for etch mask function and nanotechnological application [PDF]

, 2018
Block copolymers (BCPs) and their directed self-assembly (DSA) has emerged as a realizable complementary tool to aid optical patterning of device elements for future integrated circuit advancements.
Cummins, Cian, Ghoshal, Tandra, Holmes, Justin D., Morris, Michael A.   +3 more
core   +1 more source

Exfoliated Graphite Nanoplatelet-Carbon Nanotube Hybrid Composites for Compression Sensing [PDF]

, 2020
In this study, we investigated the gauge factor and compressive modulus of hybrid nanocomposites of exfoliated graphite nanoplatelets (xGnP) and multiwalled carbon nanotubes (MWCNTs) in a polydimethylsiloxane matrix under compressive strain.
Jeong, Changyoon, Park, Young-Bin
core   +1 more source