Perovskite weak light detector based on plasmon effect

Perovskite weak light detector based on plasmon effect

The invention discloses a perovskite weak light detector based on a plasmon effect, which comprises a substrate, a photoconductive layer and a metal electrode. The substrate is composed of a flexibleor rigid base. The photoconductive layer is located on the surface of the substrate, and the photocon...

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Hauptverfasser: TAO GUANGJUN, LIAO BAOYI, ZHANG GUODONG, LIAO JUN, SHA YUANFENG, LI SHUANG, WEI HONGFENG, LUO XIAO
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Sprache:chi ; eng
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BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
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creator TAO GUANGJUN
LIAO BAOYI
ZHANG GUODONG
LIAO JUN
SHA YUANFENG
LI SHUANG
WEI HONGFENG
LUO XIAO
description The invention discloses a perovskite weak light detector based on a plasmon effect, which comprises a substrate, a photoconductive layer and a metal electrode. The substrate is composed of a flexibleor rigid base. The photoconductive layer is located on the surface of the substrate, and the photoconductive layer is composed of metal nanoparticles with a plasmon effect and perovskite. The metal electrode is located on the surface of the photoconductive layer and forms a conductive electrode. According to the invention, metal nanoparticles with a plasmon effect and perovskite are mainly used aslight absorption materials to form a photoconductive structure, light is absorbed efficiently by utilizing the large extinction coefficient of perovskite, the response of the device to weak light isamplified through optical coupling between the perovskite and the metal nanoparticle plasmon, and finally, photoelectric conversion is realized through a photoconductive mode, and the device can detect a 5pW weak light signal a
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subjects BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
title Perovskite weak light detector based on plasmon effect
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