Results 191 to 200 of about 34,606 (255)

Broadband Photoresponses from Ultraviolet to Near-Infrared (II) Region through Light-induced Pyroelectric Effects in a Hybrid Perovskite.

Angewandte Chemie, 2022
Broadband photodetection has shown a great promise for diverse applications, while the realization of plateau photoresponse from ultraviolet (UV) to near-infrared (NIR) spectral region is very challenging.
Wuqian Guo, Haojie Xu, W. Weng, Liwei Tang, Yu Ma, Yi Liu, L. Hua, Beibei Wang, Junhua Luo, Zhihua Sun   +9 more
semanticscholar   +1 more source

Pyroelectric and Electrocaloric Materials

Progress in Advanced Dielectrics, 2020
Both the pyroelectric and electrocaloric effects originate from the cross-coupling between polarization and temperature in insulating dielectrics. Although both effects have been studied for many decades for various applications and large pyroelectric ...
Xinyu Li, Shengguo Lu, Xiang-Zhong Chen, Haiming Gu, X. Qian, Qiming Zhang   +5 more
semanticscholar   +1 more source

Pyroelectric‐Accelerated Perovskite Photodetector for Picosecond Light Detection and Ranging

Advances in Materials
Light detection and ranging (LiDAR) is indispensable in applications such as unmanned aerial vehicles, autonomous driving, and biomimetic robots. However, the precision and available distance of LiDAR are constrained by the speed and sensitivity of the ...
L. Min, Haoxuan Sun, Linqi Guo, Yicheng Zhou, Meng Wang, Fengren Cao, Liang Li   +6 more
semanticscholar   +1 more source

Transparent integrated pyroelectric-photovoltaic structure for photo-thermo hybrid power generation

Nature Communications
Thermal losses in photoelectric devices limit their energy conversion efficiency, and cyclic input of energy coupled with pyroelectricity can overcome this limit.
Malkeshkumar Patel, Hyeong-Ho Park, P. Bhatnagar, Naveen Kumar, Junsik Lee, Joondong Kim   +5 more
semanticscholar   +1 more source

Integrated Piezoelectric/Pyroelectric Sensing from Organic-Inorganic Perovskite Nanocomposites.

ACS Nano
Flexible ferroelectric materials are in high demand in emerging energy harvesting and self-powered sensing electronics. However, current flexible ferroelectric polymers, such as poly(vinylidene fluoride) (PVDF) and P(VDF-co-trifluoroethylene) [P(VDF-TrFE)
B. Chai, Kunming Shi, Yalin Wang, Yijie Liu, Fei Liu, Lei Zhu, Xingyi Huang   +6 more
semanticscholar   +1 more source

A Self-Powered Wearable Pressure Sensor and Pyroelectric Breathing Sensor Based on GO Interfaced PVDF Nanofibers

ACS Applied Nano Materials, 2019
This paper reports a self-powered, flexible, piezo- and pyro-electric hybrid nanogenerator (NG) device that can be fixed on different locations of human skin for detecting static and dynamic pressure variations and can also monitor temperature ...
Krittish Roy, S. Ghosh, A. Sultana, Samiran Garain, Mengying Xie, C. Bowen, K. Henkel, D. Schmeiβer, D. Mandal   +8 more
semanticscholar   +1 more source

Breathing-Driven Self-Powered Pyroelectric ZnO Integrated Face Mask for Bioprotection.

Small, 2022
Rapid spread of infectious diseases is a global threat and has an adverse impact on human health, livelihood, and economic stability, as manifested in the ongoing coronavirus disease 2019 (COVID-19) pandemic.
Moon-Ju Kim, Zhiquan Song, C. Lee, T. Yun, Joo-Yoon Noh, Mi-Kyung Park, D. Yong, Min-Jung Kang, J. Pyun   +8 more
semanticscholar   +1 more source

Pyroelectric Photoconductive Diode for Highly Sensitive and Fast DUV Detection

Advances in Materials
Detecting high‐energy photons from the deep ultraviolet (DUV) to X‐rays is vital in security, medicine, industry, and science. Wide bandgap (WBG) semiconductors exhibit great potential for detecting high‐energy photons.
Xiaohu Hou, Yan Liu, Shiyu Bai, Shunjie Yu, Hong Huang, Kai Yang, Chen Li, Zhixin Peng, Xiaolong Zhao, Xuanze Zhou, Guangwei Xu, S. Long   +11 more
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Optically Guided Pyroelectric Manipulation of Water Droplet on a Superhydrophobic Surface.

ACS Applied Materials and Interfaces, 2021
Controlled droplet manipulation by light has tremendous technological potential. We report here a method based on photothermally induced pyroelectric effects that enables manipulation and maneuvering of a water droplet on a superhydrophobic surface ...
Weishan Yan, Chaopeng Zhao, Wenyao Luo, Wangyang Zhang, Xi Li, Duo Liu   +5 more
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Synergizing Pyroelectric Catalysis and Enzyme Catalysis: Establishing a Reciprocal and Synergistic Model to Enhance Anti‐Tumor Activity

Advances in Materials
Nanozyme activity is greatly weakened by the microenvironment and multidrug resistance of tumor cells. Hence, a bi‐catalytic nanoplatform, which promotes the anti‐tumor activity through “charging empowerment” and “mutual complementation” processes ...
Yan Wang, Rui Zhang, Pengyu Zang, Ruoxi Zhao, Linzhi Wu, Yanlin Zhu, Dan Yang, S. Gai, Piaoping Yang   +8 more
semanticscholar   +1 more source