Vertically coupled ZnO nanorods on MoS2 monolayers with enhanced Raman and photoluminescence emission

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• 作者：Kenan Zhang (1) (2)
  Yun Zhang (1)
  Tianning Zhang (1)
  Wenjing Dong (1)
  Tiaoxing Wei (1)
  Yan Sun (1)
  Xin Chen (1)
  Guozhen Shen (2)
  Ning Dai (1)
  
  1. National Laboratory for Infrared Physics ; Shanghai Institute of Technical Physics ; Chinese Academy of Sciences ; Shanghai ; 200083 ; China
  2. State Key Laboratory for Superlattices and Microstructures ; Institute of Semiconductors ; Chinese Academy of Sciences ; Beijing ; 100083 ; China
  
• 关键词：MoS2 monolayers ; ZnO nanorods ; Raman ; photoluminescence
• 刊名：Nano Research
• 出版年：2015
• 出版时间：March 2015
• 年：2015
• 卷：8
• 期：3
• 页码：743-750
• 全文大小：1,785 KB
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• 刊物类别：Chemistry and Materials Science
• 刊物主题：Chinese Library of Science
  Chemistry
  Nanotechnology
  
• 出版者：Tsinghua University Press, co-published with Springer-Verlag GmbH
• ISSN：1998-0000

文摘

Hybrid structures composed of layered materials have received much attention due to their exceptional tunable optical, electronic and catalytic properties. Here, we describe a hydrothermal strategy for coupling vertical ZnO nanorods on MoS2 monolayers without a catalyst. These vapor-solid-grown MoS2 monolayers aid in growing vertical ZnO nanorods via epitaxy. Enhanced Raman and photoluminescence emissions were observed from the MoS2 monolayers under the ZnO nanorods in these coupled structures, which was attributed to the light antenna effect of the ZnO nanorods. These hybrid and incorporation protocols for layered materials will provide new perspectives and opportunities for promoting the construction of heterojunctions with adjustable layered structures leading to fascinating fundamental phenomena and advanced devices.