scholarly journals Self-Powered All-Inorganic Perovskite Photodetectors with Fast Response Speed

2020 ◽  
Author(s):  
Ting Zhang ◽  
Shibin Li
Keyword(s):  
High Performance ◽  
Solution Process ◽  
Response Speed ◽  
Fast Response ◽  
Single Step ◽  
Inorganic Perovskite ◽  
Perovskite Materials ◽  
Photoactive Materials ◽  
Self Powered ◽  
Solvent Processing

Abstract In this manuscript, the inorganic perovskite CsPbI2Br and CsPbIBr2 are investigated as photoactive materials that offers higher stability than the organometal trihalide perovskite materials. The fabrication methods allow anti-solvent processing the CsPbIxBr3−x films, overcoming the poor film quality that always occur in a single-step solution process. The introduced diethyl ether in spin-coating process is demonstrated to be successful, and the effects of the anti-solvent on film quality are studied. The devices fabricated using the methods achieve a high-performance, self-powered and stabilized photodetectors with fast response speed. The results illustrate a great potential of all-inorganic CsPbIxBr3−x perovskites in visible photodetection and provide an effective way to achieve high performance devices with self-powered capability.

scholarly journals Self-Powered All-Inorganic Perovskite Photodetectors with Fast Response Speed

2021 ◽  
Vol 16 (1) ◽  
Author(s):  
Ting Zhang ◽  
Shibin Li
Keyword(s):  
High Performance ◽  
Solution Process ◽  
Response Speed ◽  
Fast Response ◽  
Single Step ◽  
Inorganic Perovskite ◽  
Perovskite Materials ◽  
Photoactive Materials ◽  
Self Powered ◽  
Solvent Processing

AbstractIn this manuscript, the inorganic perovskite CsPbI2Br and CsPbIBr2 are investigated as photoactive materials that offer higher stability than the organometal trihalide perovskite materials. The fabrication methods allow anti-solvent processing the CsPbIxBr3−x films, overcoming the poor film quality that always occur in a single-step solution process. The introduced diethyl ether in spin-coating process is demonstrated to be successful, and the effects of the anti-solvent on film quality are studied. The devices fabricated using the methods achieve high-performance, self-powered and the stabilized photodetectors show fast response speed. The results illustrate a great potential of all-inorganic CsPbIxBr3−x perovskites in visible photodetection and provide an effective way to achieve high performance devices with self-powered capability.

High performance self-powered CuZnS/GaN UV photodetectors with ultrahigh on/off ratio (3 × 108)

2021 ◽  
Vol 9 (14) ◽  
pp. 4799-4807
Author(s):  
Yong Zhang ◽  
Weidong Song
Keyword(s):  
Chemical Bath Deposition ◽  
High Performance ◽  
Response Speed ◽  
Fast Response ◽  
Uv Photodetector ◽  
Uv Photodetectors ◽  
Simple Chemical ◽  
Self Powered

P-CuZnS/n-GaN UV photodetector is prepared by a simple chemical bath deposition, showing excellent self-powered properties, including ultrahigh on/off ratio (3 × 108), fast response speed (0.14/40 ms) and large detectivity of 3 × 1013 Jones.

High-Performance Photodetectors with an Ultrahigh Photoswitching Ratio and a Very Fast Response Speed in Self-Powered Cu2ZnSnS4/CdS PN Heterojunctions

2021 ◽  
Vol 3 (9) ◽  
pp. 4135-4143
Author(s):  
Hongzhu Wu ◽  
Chuanhe Ma ◽  
Jiyue Zhang ◽  
Hechun Cao ◽  
Ruobing Lin ◽  
...  
Keyword(s):  
High Performance ◽  
Response Speed ◽  
Fast Response ◽  
Self Powered

scholarly journals A Self-Powered Nanogenerator for the Electrical Protection of Integrated Circuits from Trace Amounts of Liquid

2019 ◽  
Vol 12 (1) ◽  
Author(s):  
Zhuang Hui ◽  
Ming Xiao ◽  
Daozhi Shen ◽  
Jiayun Feng ◽  
Peng Peng ◽  
...  
Keyword(s):  
Integrated Circuits ◽  
High Performance ◽  
Printed Circuit Board ◽  
Short Circuit ◽  
High Sensitivity ◽  
Short Circuit Current ◽  
Fast Response ◽  
Open Circuit ◽  
Circuit Board ◽  
Self Powered

Abstract With the increase in the use of electronic devices in many different environments, a need has arisen for an easily implemented method for the rapid, sensitive detection of liquids in the vicinity of electronic components. In this work, a high-performance power generator that combines carbon nanoparticles and TiO2 nanowires has been fabricated by sequential electrophoretic deposition (EPD). The open-circuit voltage and short-circuit current of a single generator are found to exceed 0.7 V and 100 μA when 6 μL of water was applied. The generator is also found to have a stable and reproducible response to other liquids. An output voltage of 0.3 V was obtained after 244, 876, 931, and 184 μs, on exposure of the generator to 6 μL of water, ethanol, acetone, and methanol, respectively. The fast response time and high sensitivity to liquids show that the device has great potential for the detection of small quantities of liquid. In addition, the simple easily implemented sequential EPD method ensures the high mechanical strength of the device. This compact, reliable device provides a new method for the sensitive, rapid detection of extraneous liquids before they can impact the performance of electronic circuits, particularly those on printed circuit board.

Pressure-Assisted Annealing Strategy for High-Performance Self-Powered All-Inorganic Perovskite Microcrystal Photodetectors

2018 ◽  
Vol 9 (16) ◽  
pp. 4714-4719 ◽  
Author(s):  
Hai Zhou ◽  
Zhaoning Song ◽  
Corey R. Grice ◽  
Cong Chen ◽  
Xiaohan Yang ◽  
...  
Keyword(s):  
High Performance ◽  
Inorganic Perovskite ◽  
Self Powered

High performance MoO3−x/Si heterojunction photodetectors with nanoporous pyramid Si arrays for visible light communication application

2019 ◽  
Vol 7 (4) ◽  
pp. 917-925 ◽  
Author(s):  
Yujin Liu ◽  
Guobiao Cen ◽  
Gai Wang ◽  
Junwei Huang ◽  
Suhang Zhou ◽  
...  
Keyword(s):  
Visible Light ◽  
Communication System ◽  
High Performance ◽  
Visible Light Communication ◽  
Fast Response ◽  
Optical Signal ◽  
Self Powered

Self-powered, fast-response heterojunction photodetectors based on nanoporous pyramid Si arrays are successfully developed. The photodetector is further integrated into a visible light communication system as an optical signal receiver.

High performance flexible memristors based on a lead free AgBiI4 perovskite with an ultralow operating voltage

2020 ◽  
Vol 8 (40) ◽  
pp. 14155-14163
Author(s):  
Haibo Ye ◽  
Bo Sun ◽  
Ziyi Wang ◽  
Zhiyong Liu ◽  
Xuning Zhang ◽  
...  
Keyword(s):  
High Performance ◽  
Lead Free ◽  
Operating Voltage ◽  
Switching Voltage ◽  
Inorganic Perovskite ◽  
Perovskite Materials

Lead-free inorganic perovskite materials exhibit excellent memristive properties, such as high ON/OFF ratio and low switching voltage.

scholarly journals Self-powered, high response and fast response speed metal–insulator–semiconductor structured photodetector based on 2D MoS2

RSC Advances ◽  
2018 ◽  
Vol 8 (49) ◽  
pp. 28041-28047 ◽  
Author(s):  
Xinxin Liu ◽  
Feng Li ◽  
Minxuan Xu ◽  
Junjie Qi
Keyword(s):  
Response Speed ◽  
Fast Response ◽  
High Response ◽  
Metal Insulator ◽  
Metal Insulator Semiconductor ◽  
Response Recovery ◽  
Self Powered

A MIS structured self-powered photodetector of Pd/HfO2/MoS2 was fabricated by inserting a thin insulator, which has a fast response/recovery speed.

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