| Title: | Catalytic chemical vapor deposition of large-area uniform two-dimensional molybdenum disulfide using sodium chloride |
| Author(s): | Song JG; Hee Ryu G; Kim Y; Je Woo W; Yong Ko K; Kim Y; Lee C; Oh IK; Park J; Lee Z; Kim H; |
| Address: | "School of Electrical and Electronic Engineering, Yonsei University, Seoul 120-749, Republic of Korea. Process Technology Group, Samsung Advanced Institute of Technology (SAIT), 130, Samsung-ro, Yeongtong-Gu, Suwon-si, Gyeonggi-do, 443-803, Republic of Korea" |
| ISSN/ISBN: | 1361-6528 (Electronic) 0957-4484 (Linking) |
| Abstract: | "The effective synthesis of atomically thin molybdenum disulfides (MoS(2)) of high quality and uniformity over a large area is essential for their use in electronic and optical devices. In this work, we synthesize MoS(2) that exhibit a high quality and large area uniformity using chemical vapor deposition (CVD) with volatile S organic compound and NaCl catalysts. In the latter process, the NaCl enhances the growth rate (5 min for synthesis of monolayer MoS(2)) and purity of the synthesized MoS(2). The optical microscopy, Raman spectroscopy, x-ray photoemission spectroscopy, photoluminescence, and transmission electron microscopy measurements indicate that the NaCl-CVD MoS(2) has a large grain size, clear Raman shift, strong photoluminescence, good stoichiometry, and 6-fold coordination symmetry. Moreover, we demonstrate that the electron mobility (10.4 cm(2) V(-1) s(-1)) and on/off current ratio (3 x 10(7)) of monolayer MoS(2) measured using a field-effect transistor are comparable to those of previously reported MoS(2) synthesized using CVD" |
| Notes: | "PubMed-not-MEDLINESong, Jeong-Gyu Hee Ryu, Gyeong Kim, Youngjun Je Woo, Whang Yong Ko, Kyung Kim, Yongsung Lee, Changseung Oh, Il-Kwon Park, Jusang Lee, Zonghoon Kim, Hyungjun eng England 2017/10/24 Nanotechnology. 2017 Nov 17; 28(46):465103. doi: 10.1088/1361-6528/aa8f15. Epub 2017 Oct 23" |
