Rolling up transition metal dichalcogenide nanoscrolls via one drop of ethanol

Xueping Cui, Zhizhi Kong, Enlai Gao, Dazhen Huang, Yang Hao, Hongguang Shen, Chong-an Di, Zhiping Xu, Jian Zheng () and Daoben Zhu
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Xueping Cui: Institute of Chemistry, CAS
Zhizhi Kong: Institute of Chemistry, CAS
Enlai Gao: Tsinghua University
Dazhen Huang: Institute of Chemistry, CAS
Yang Hao: Institute of Chemistry, CAS
Hongguang Shen: Institute of Chemistry, CAS
Chong-an Di: Institute of Chemistry, CAS
Zhiping Xu: Tsinghua University
Jian Zheng: Institute of Chemistry, CAS
Daoben Zhu: Institute of Chemistry, CAS

Nature Communications, 2018, vol. 9, issue 1, 1-7

Abstract: Abstract Two-dimensional transition metal dichalcogenides (TMDs) have attracted lots of interest because of their potential for electronic and optoelectronic applications. Atomically thin TMD flakes were believed capable to scroll into nanoscrolls (NSs) with distinct properties. However, limited by mechanical strength and chemical stability, production of high-quality TMD NSs remains challenging. Here, we scroll chemical vapor deposition-grown monolayer TMD flakes into high-quality NSs in situ in 5 s with a nearly 100% yield by only one droplet of ethanol solution. An obvious photoluminescence is demonstrated in NSs and the self-encapsulated structure makes NSs more insensitive to external factors in optical and electrical properties. Furthermore, based on the internal open topology, NSs hybridized with a variety of functional materials have been fabricated, which is expected to confer TMD NSs with additional properties and functions attractive for potential application.

Date: 2018
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DOI: 10.1038/s41467-018-03752-5

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