Type of presentation: Poster

MS-2-P-5767 Setting up a Nanolab inside a TEM for 2D Materials research

Sun L.1
1SEU-FEI Nano-Pico Center, Key Laboratory of MEMS of Ministry of Education, Southeast University
slt@seu.edu.cn

With the continuous improvement of in situ techniques inside transmission electron microscope (TEM), the capabilities of TEM extend beyond structurual characterization to high-precision nanofabrication and property measurement. Based on the idea of "setting up a nanolab inside a TEM", we present our recent progress in 2D Materials research including in situ growth, nanofabrication with atomic resolution, in situ property characterization, nanodevice construction and possible applications(e.g. a 5nm-diameter hole on graphene for third-generation gene sequencing, the spongy graphene as an ultra-efficient sorbent for oils and organic solvents, etc.).Fig. 1 shows in situ nanofabrication of suspended molybdenum sulfide sub-nanometer ribbons with uniform width of 0.35 nm from monolayer MoS2 by electron beam irradiation. The mechanism of electron-beam induced high-resolution nanofabrication was also discussed.

References:

[1]L. Sun, F. Banhart, et. al., Science 312, 1199 (2006)

[2]J.R-Manzo, M. Terrones, et.al., Nature Nanotechnology 2, 307 (2007)

[3] L. Sun, A. Krasheninnikov,et.al., Physical Review Letters 101, 156101(2008)

[4] H. Bi, X. Xie, et al., Advanced Functional Materials 22, 4421 (2012)

[5] H. Bi, K. Yin, et al., Advanced Materials 24, 5124 (2012)

[6] Q. Liu, J. Sun, et al., Advanced Materials 25, 165 (2013)

[7] X. Liu, T. Xu, et al., Nature Communications 4, 1776 (2013)

[8] H. Qiu, T. Xu, et al., Nature Communications 4, 2642 (2013)

[9] X. Li, X. Pan, et al., Nature Communications 5, 3688 (2014)

This work was supported by the National Basic Research Program of China under grant Nos. 2011CB707601, the National Natural Science Foundation of China under grant Nos. 61274114, 113279028, 51201032 and 51071044, the Key Grant Project of Chinese Ministry of Education under No 311019, and the Natural Science Foundation of Jiangsu Province under grant Nos. BK2011592, BK2012024.

Fig. 1: In situ fabrication of suspended molybdenum sulfide sub-nanometer ribbons with uniform width of 0.35 nm (possible narrowest molybdenum sulfide nanoribbon) from monolayer MoS2 by electron irradiation.