Purine on graphene: PES and NEXAFS study of a heterocyclic aromatic organic compound
- Authors
- Kim, Ki-jeong; Han, Yong; Zhu, Junfa; Baik, Jaeyoon; Shin, Hyunjun; Lee, Hangil; Kim, Bongsoo
- Issue Date
- Sep-2016
- Publisher
- ELSEVIER SCIENCE BV
- Keywords
- Graphene; Purine; PES; NEXAFS
- Citation
- CURRENT APPLIED PHYSICS, v.16, no.9, pp 1120 - 1123
- Pages
- 4
- Journal Title
- CURRENT APPLIED PHYSICS
- Volume
- 16
- Number
- 9
- Start Page
- 1120
- End Page
- 1123
- URI
- https://scholarworks.sookmyung.ac.kr/handle/2020.sw.sookmyung/9453
- DOI
- 10.1016/j.cap.2016.06.014
- ISSN
- 1567-1739
1878-1675
- Abstract
- We have investigated the properties of a self-assembled purine (C5H4N4) monolayer on epitaxial graphene (EG) on SiC by using high resolution X-ray photoemission spectroscopy (HRPES) and near-edge X-ray absorption of fine structure (NEXAFS). The monolayer of purine on graphene was prepared inside a UHV chamber. The spontaneously-assembled monolayer of purine molecules were oriented parallel to the surface of the monolayer graphene, and it reaches a charge equilibrium state on the monolayer graphene. (C) 2016 Elsevier B.V. All rights reserved.
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