High-Energy Gain Upconversion in Monolayer Tungsten Disulfide Photodetectors.

Tungsten disulfide (WS) multiphonon absorption one-photon excitation photodetectors upconversion

Journal

Nano letters
ISSN: 1530-6992
Titre abrégé: Nano Lett
Pays: United States
ID NLM: 101088070

Informations de publication

Date de publication:
14 Aug 2019
Historique:
pubmed: 27 6 2019
medline: 27 6 2019
entrez: 27 6 2019
Statut: ppublish

Résumé

Photodetectors usually operate in the wavelength range with photon energy above the bandgap of channel semiconductors so that incident photons can excite electrons from valence band to conduction band to generate photocurrent. Here, however, we show that monolayer WS

Identifiants

DOI: 10.1021/acs.nanolett.9b02136 PMID: 31241969
pubmed: 31241969
doi: 10.1021/acs.nanolett.9b02136
doi:

Types de publication

Journal Article

Langues

eng

Sous-ensembles de citation

IM

Pagination

5595-5603

Auteurs

Qixing Wang (Q)

Department of Physics , National University of Singapore , 2 Science Drive 3 , Singapore 117542 , Singapore.
ORCID: 0000-0003-0623-1910

Qi Zhang (Q)

Department of Physics , National University of Singapore , 2 Science Drive 3 , Singapore 117542 , Singapore.
ORCID: 0000-0003-4201-7196

Xiaoxu Zhao (X)

Department of Materials Science and Engineering , National University of Singapore , 9 Engineering Drive 1 , Singapore 117575 , Singapore.
ORCID: 0000-0001-9746-3770

Yu Jie Zheng (YJ)

MOE Key Laboratory of Low-grade Energy Utilization Technologies and Systems , CQU-NUS Renewable Energy Materials and Devices Joint Laboratory , Chongqing 400044 , China.
School of Energy and Power Engineering , Chongqing University , Chongqing 400044 , China.

Junyong Wang (J)

Department of Physics , National University of Singapore , 2 Science Drive 3 , Singapore 117542 , Singapore.

Xin Luo (X)

State Key Laboratory of Optoelectronic Materials and Technologies, School of Physics , Sun Yat-sen University , Guangzhou 12 510275 , Guangdong , People's Republic of China.

Jiadong Dan (J)

Department of Materials Science and Engineering , National University of Singapore , 9 Engineering Drive 1 , Singapore 117575 , Singapore.

Rui Zhu (R)

Department of Physics , National University of Singapore , 2 Science Drive 3 , Singapore 117542 , Singapore.

Qijie Liang (Q)

Department of Physics , National University of Singapore , 2 Science Drive 3 , Singapore 117542 , Singapore.
SZU-NUS Collaborative Innovation Center for Optoelectronic Science and Technology, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Optoelectronic Engineering , Shenzhen University , Shenzhen 518060 , China.
ORCID: 0000-0003-4252-7997

Lei Zhang (L)

Department of Physics , National University of Singapore , 2 Science Drive 3 , Singapore 117542 , Singapore.

P K Johnny Wong (PKJ)

Centre for Advanced 2D Materials , National University of Singapore , Block S14, 6 Science Drive 2 , Singapore 117546 , Singapore.

Xiaoyue He (X)

Department of Physics , National University of Singapore , 2 Science Drive 3 , Singapore 117542 , Singapore.

Yu Li Huang (YL)

Department of Physics , National University of Singapore , 2 Science Drive 3 , Singapore 117542 , Singapore.
ORCID: 0000-0003-3699-4708

Xinyun Wang (X)

Department of Physics , National University of Singapore , 2 Science Drive 3 , Singapore 117542 , Singapore.
Centre for Advanced 2D Materials , National University of Singapore , Block S14, 6 Science Drive 2 , Singapore 117546 , Singapore.

Stephen J Pennycook (SJ)

Department of Materials Science and Engineering , National University of Singapore , 9 Engineering Drive 1 , Singapore 117575 , Singapore.

Goki Eda (G)

Department of Physics , National University of Singapore , 2 Science Drive 3 , Singapore 117542 , Singapore.
Department of Chemistry , National University of Singapore , 3 Science Drive 3 , 117543 , Singapore.
Centre for Advanced 2D Materials , National University of Singapore , Block S14, 6 Science Drive 2 , Singapore 117546 , Singapore.
ORCID: 0000-0002-1575-8020

Andrew T S Wee (ATS)

Department of Physics , National University of Singapore , 2 Science Drive 3 , Singapore 117542 , Singapore.
Centre for Advanced 2D Materials , National University of Singapore , Block S14, 6 Science Drive 2 , Singapore 117546 , Singapore.
ORCID: 0000-0002-5828-4312

Classifications MeSH