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Crystals 2017, 7(10), 298; doi:10.3390/cryst7100298

Recent Advances in Two-Dimensional Materials with Charge Density Waves: Synthesis, Characterization and Applications

1
CAS Key Laboratory of Standardization and measurement for Nanotechnology, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, China
2
University of Chinese Academy of Sciences, Beijing 100190, China
*
Author to whom correspondence should be addressed.
Academic Editors: Cristina E. Giusca and Spyros Yannopoulos
Received: 10 August 2017 / Revised: 25 September 2017 / Accepted: 26 September 2017 / Published: 3 October 2017
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Abstract

Recently, two-dimensional (2D) charge density wave (CDW) materials have attracted extensive interest due to potential applications as high performance functional nanomaterials. As other 2D materials, 2D CDW materials are layered materials with strong in-plane bonding and weak out-of-plane interactions enabling exfoliation into layers of single unit cell thickness. Although bulk CDW materials have been studied for decades, recent developments in nanoscale characterization and device fabrication have opened up new opportunities allowing applications such as oscillators, electrodes in supercapacitors, energy storage and conversion, sensors and spinelectronic devices. In this review, we first outline the synthesis techniques of 2D CDW materials including mechanical exfoliation, liquid exfoliation, chemical vapor transport (CVT), chemical vapor deposition (CVD), molecular beam epitaxy (MBE) and electrochemical exfoliation. Then, the characterization procedure of the 2D CDW materials such as temperature-dependent Raman spectroscopy, temperature-dependent resistivity, magnetic susceptibility and scanning tunneling microscopy (STM) are reviewed. Finally, applications of 2D CDW materials are reviewed. View Full-Text
Keywords: two-dimensional material; charge density wave; synthesis; characterization; application two-dimensional material; charge density wave; synthesis; characterization; application
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Hossain, M.; Zhao, Z.; Wen, W.; Wang, X.; Wu, J.; Xie, L. Recent Advances in Two-Dimensional Materials with Charge Density Waves: Synthesis, Characterization and Applications. Crystals 2017, 7, 298.

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