A High‐Performance WSe 2 / h ‐BN Photodetector using a Triphenylphosphine (PPh 3 )‐Based n‐Doping Technique | Zendy

Jo SeoHyeon | Zendy; Kang DongHo | Zendy; Shim Jaewoo | Zendy; Jeon Jaeho | Zendy; Jeon Min Hwan | Zendy; Yoo Gwangwe | Zendy; Kim Jinok | Zendy; Lee Jaehyeong | Zendy; Yeom Geun Young | Zendy; Lee Sungjoo | Zendy; Yu HyunYong | Zendy; Choi Changhwan | Zendy; Park JinHong | Zendy

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A High‐Performance WSe 2 / h ‐BN Photodetector using a Triphenylphosphine (PPh 3 )‐Based n‐Doping Technique

Author(s) -

Jo SeoHyeon,

Kang DongHo,

Shim Jaewoo,

Jeon Jaeho,

Jeon Min Hwan,

Yoo Gwangwe,

Kim Jinok,

Lee Jaehyeong,

Yeom Geun Young,

Lee Sungjoo,

Yu HyunYong,

Choi Changhwan,

Park JinHong

Publication year - 2016

Publication title -

advanced materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 10.707

H-Index - 527

eISSN - 1521-4095

pISSN - 0935-9648

DOI - 10.1002/adma.201600032

Subject(s) - photodetector , doping , materials science , tungsten diselenide , optoelectronics , triphenylphosphine , chemistry , catalysis , biochemistry , transition metal

The effects of triphenylphosphine (PPh 3 )‐based n‐doping and hexagonal boron nitride ( h ‐BN) insertion on a tungsten diselenide (WSe 2 ) photodetector are systematically studied, and a very high performance WSe 2 / h ‐BN heterostucture‐based photodetector is demonstrated with a record photoresponsivity (1.27 × 10 6 A W −1 ) and temporal photoresponse (rise time: 2.8 ms, decay time: 20.8 ms) under 520 nm wavelength and 5 pW power laser illumination.

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