Graphene Quantum Dots Doping of MoS2 Monolayers

被引：175
|
作者：
Li, Ziwei [1 ]
Ye, Ruquan [2 ]
Feng, Rui [1 ]
Kang, Yimin [1 ]
Zhu, Xing [1 ]
Tour, James M. [2 ]
Fang, Zheyu [1 ,3 ]
机构：
[1] Peking Univ, Acad Adv Interdisciplinary Studies, Sch Phys, State Key Lab Mesoscop Phys, Beijing 100871, Peoples R China
[2] Rice Univ, Richard E Smalley Inst Nanoscale Sci & Technol, Dept Chem, Houston, TX 77005 USA
[3] Collaborat Innovat Ctr Quantum Matter, Beijing 100871, Peoples R China
来源：
ADVANCED MATERIALS | 2015年 / 27卷 / 35期
基金：
中国国家自然科学基金; 北京市自然科学基金;
关键词：
charge transfer; doping; graphene quantum dots; heterostructures; MoS2; photoluminescence; ULTRAFAST CHARGE-TRANSFER; ENERGY-TRANSFER; LARGE-AREA; PHOTOLUMINESCENCE; TRANSITION; THICKNESS; DYNAMICS; GROWTH; LAYER;
D O I：
10.1002/adma.201501888
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Graphene quantum dots (GQDs) interacting with molybdenum disulfide (MoS2) monolayers induce an effective photoexcited charge transfer at the interface. Both the photoluminescence (PL) and valley polarization of this GQDs/MoS2 heterostructure can be modulated under various doping charge densities. The photon-exciton interaction is used to explain and calculate the heterostructure PL control, and is further applied to the valley-polarization tuning. © 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码：5235 / 5240
页数：6
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