journal article·2019

Strong-coupled hybrid structure of carbon nanotube and MoS 2 monolayer with ultrafast interfacial charge transfer

Can Liu, Hao Hong, Qinghe Wang, Ping Liu, Yonggang Zuo, Jing Liang, Yang Cheng, Xu Zhou, Jinhuan Wang, Yun Zhao, Jie Xiong, Bin Xiang, Jin Zhang, Kaihui Liu

Nanoscale· Volume 11· Issue 37
Publisher page

Abstract

Hybrid structures assembled by van der Waals (vdW) interactions greatly expand the conventional material platforms, as there is no constraint of lattice matching in the materials design. However, a general challenge lies in the controllable assembly of 1D-2D hybrids with strong-coupled interfaces, because the interaction area is very small and is easily disturbed by exotic molecules. Here, we report the direct construction of 1D carbon nanotube-2D MoS2 monolayer hybrids with strong interfacial coupling using a sequential chemical vapour deposition growth method. The strong mechanical and electronic couplings between the nanotubes and MoS2 are unambiguously illustrated from the Raman-mode frequency shift and ultrafast interfacial charge transfer (∼100 fs). The findings in this work will boost the mass fabrication of 1D-2D vdW hybrid materials with controllable interfacial geometry and coupling strength, and pave the way for their future applications in electronics, optoelectronics and photovoltaics.
Source: europepmc · Quality: candidate unverified · Source record ↗

Research context

OpenAlex topics: 2D Materials and Applications · Graphene research and applications · MXene and MAX Phase Materials

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

State Key Laboratory for Mesoscopic Physics

Collaborative Innovation Center of Quantum Matter

School of Physics

Academy for Advanced Interdisciplinary Studies

Peking University

Department of Materials Science & Engineering

University of Science and Technology of China

Hefei

China

Beijing National Laboratory for Condensed Matter Physics

Institute of Physics, Chinese Academy of Sciences

Beijing 100080

School of Chemistry and Chemical Engineering

Beijing Institute of Technology

Beijing 100081

State Key Laboratory of Electronic Thin Films and Integrated Devices

University of Electronic Science and Technology of China

Chengdu 610054

Center for Nanochemistry

College of Chemistry and Molecular Engineering

Beijing 100871

Funding

National Basic Research Program of China · National Natural Science Foundation of China · Beijing Municipal Science and Technology Commission · National Postdoctoral Program for Innovative Talents

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