Bulletin of the American Physical Society
APS March Meeting 2018
Monday–Friday, March 5–9, 2018; Los Angeles, California
Session B18: Graphene and van der Waals Materials I
11:15 AM–2:15 PM,
Monday, March 5, 2018
LACC Room: 306B
Sponsoring Units: DCMP DMP
Chair: Vincent Tung, University of California, Merced
Abstract: B18.00011 : Controlled layer growth of WS2 grains by chemical vapor deposition*
1:15 PM–1:27 PM
We produced single, bi and few layered WS2 single crystals by controlled growth condition. The single step growth with better controllability allows the fine tuning of layer number and crystal quality which has been confirmed by AFM, Raman and PL spectroscopies. Moreover, the calculated field effect mobilities based on layer number and demonstration of high performance phototransistor with prominent photoresponse facilitate the practical application of our growth recipe to other TMDs.
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