Results 71 to 80 of about 3,316 (204)

A method for measuring photopyroelectric spectra of dyes in a polymer pyroelectric matrix

Archives of Acoustics, 2014
A method for measuring pyroelectric spectra of a dye admixed to a pyroelectric matrix has been described. Spectra obtained in the visible range by photopyroelectric and photoacoustic methods have been compared for rhodamine B in the pyroelectric PVDF ...
S. ŁĘTOWSKI, A. SIKORSKA
doaj  

d‐Orbital Electron Spin Polarization Field Inhibits Photo‐Generated Carrier Recombination for Panel Photoelectrocatalysis

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
A solution‐processable sub‐nanocrystal of metal coordinated conjugated reticular oligomer with spin polarization functionality is employed as an active layer in planar photoelectrochemical water splitting. The rapid recombination of photo‐generated carriers remains a critical challenge limiting the photo‐electrocatalytic water splitting performance in ...
Ruijuan Zhang, Jiaqi Lv, Yue Wang, Xianghao Meng, Yali Yao, Xinying Liu, Shanlin Qiao   +6 more
wiley   +1 more source

Recent advances in multifunctional soft robots: A materials–structures–systems co‐design perspective for synergistic integration

FlexMat, EarlyView.
Abstract Soft robots, engineered from highly compliant materials, offer superior adaptability and safety in unstructured environments compared to their rigid counterparts. Recent advancements, fueled by bio‐inspiration and material programmability, have led to the rapid co‐evolution of their core modules: actuation, sensing, protection, energy, and ...
Qiulei Liu, Zicao Peng, Chong Sun, Haitao Yang   +3 more
wiley   +1 more source

Pyroelectric Polyelectrolyte Brushes

Advanced Materials
AbstractPiezo‐ and pyroelectric materials are of interest, for example, for energy harvesting applications, for the development of tactile sensors, as well as neuromorphic computing. This study reports the observation of pyro‐ and piezoelectricity in thin surface‐attached polymer brushes containing zwitterionic and electrolytic side groups that are ...
Jian Wang, Fei Hu, Sabrina Sant, Kanghyun Chu, Lukas Riemer, Dragan Damjanovic, S. Michael Kilbey, Harm‐Anton Klok   +7 more
openaire   +2 more sources

Two‐Dimensional Layered Oxides and the Two‐Dimensionalization of Bulk Oxides for Post‐Moore Information Devices

Information &Functional Materials, EarlyView.
This review systematically summarizes two‐dimensional layered and nonlayered oxides, focusing on their synthesis, properties, and post‐Moore applications in transistors, gate dielectrics, optoelectronics, and ferroelectric/magnetic devices. It also discusses challenges including scalable growth and interface engineering, along with future industrial ...
Xinjie Hou, Yanchang Zhou, Yushan Zhu, Xiao Zhang, Ruiqing Cheng, Jun He   +5 more
wiley   +1 more source

Diesel Exhaust Emission Soot Coated Pyroelectric Materials for Improved Thermal Energy Harvesting

Global Challenges, 2019
Pyroelectric performance is significantly improved using a coating of diesel exhaust soot. Coated pyroelectric sample (lead zirconate titanate) is exposed to a temporal temperature gradient.
Puneet Azad, Moolchand Sharma, Rahul Vaish   +2 more
doaj   +1 more source

Ferroelectricity and Ferroionic Dynamics in Two‐Dimensional CuInP2S6

Information &Functional Materials, EarlyView.
The coupled dynamics of ferroelectric polarization and Cu‐ion migration endow CuInP2S6 with unique ferroionic functionalities. This review connects structure, switching mechanisms, and device applications to provide a unified perspective on two‐dimensional ferroionic materials.
Shangsheng Li, Shiyu Wang, Xiongfeng Wang, Qinglin Du, Ruochen Shangguan, Guoqiang Xi, Lin Wang, Wugang Liao   +7 more
wiley   +1 more source

Overcoming spectral limits of perovskite photodetectors for the infrared region

InfoScience, EarlyView.
Infrared (IR) photodetectors are vital for modern optoelectronics, but traditional inorganic semiconductors face limitations in cost, processing, and bandgap tunability. This review provides a summary of advanced strategies to extend metal halide perovskites into the IR region, categorizing approaches into intrinsic material engineering, physical ...
Jiean Li, Bobo Li, Mingxia Qiu, Wang Zhang, Xuan Fang   +4 more
wiley   +1 more source

Carbon-based sprayed electrodes for pyroelectric applications.

PLoS ONE, 2019
A carbon-based layer was deposited by spraying on top of a ferroelectric layer grown by sol-gel on Si (001) substrate and its properties as electrode and absorber for pyroelectric detection were tested.
C Chirila, M Botea, A Iuga, A G Tomulescu, L Balescu, A C Galca, A G Boni, L Leonat, I Pintilie, L Pintilie   +9 more
doaj   +1 more source

Temperature Field Analysis for PZT Pyroelectric Cells for Thermal Energy Harvesting

Sensors, 2011
This paper proposes the idea of etching PZT to improve the temperature variation rate of a thicker PZT sheet in order to enhance the energy conversion efficiency when used as pyroelectric cells.
Chi-Yuan Lee, Jing-Chih Ciou, Chun-Ching Hsiao, An-Shen Siao   +3 more
doaj   +1 more source