Selenium-Doped Black Phosphorus for High-Responsivity 2D Photodetectors

Selenium-Doped Black Phosphorus for High-Responsivity 2D Photodetectors

Se‐doped black phosphorus (BP) crystal, in centimeter scale, is synthesized by a scalable gas‐phase growth method under mild conditions. The Se‐doped BP exhibits high quality with excellent electrical properties. The Se dope induces over 20‐fold enhancement of responsivity (R) for BP‐based 2D photod...

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Veröffentlicht in:Small (Weinheim an der Bergstrasse, Germany) Germany), 2016-09, Vol.12 (36), p.5000-5007
Hauptverfasser: Xu, Yijun, Yuan, Jian, Fei, Linfeng, Wang, Xinliang, Bao, Qiaoliang, Wang, Yu, Zhang, Kai, Zhang, Yuegang
Format: Artikel
Sprache:eng
Schlagworte:
black phosphorous
Crystals
dope
Dopes
Electrical properties
growth
Nanotechnology
Phosphorus
Photodetectors
Photometers
Quantum efficiency
responsivity
Selenium
Two dimensional
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Zusammenfassung:Se‐doped black phosphorus (BP) crystal, in centimeter scale, is synthesized by a scalable gas‐phase growth method under mild conditions. The Se‐doped BP exhibits high quality with excellent electrical properties. The Se dope induces over 20‐fold enhancement of responsivity (R) for BP‐based 2D photodetectors, resulting in a high R and external quantum efficiency of 15.33 A W−1 and 2993%, respectively.
ISSN:1613-6810
1613-6829
DOI:10.1002/smll.201600692