Please use this identifier to cite or link to this item: https://doi.org/10.1063/1.3225918
Title: Orientation-controlled charge transfer at CuPc/ F16 CuPc interfaces
Authors: Chen, W. 
Chen, S.
Chen, S. 
Li Huang, Y.
Huang, H. 
Qi, D.C. 
Gao, X.Y. 
Ma, J.
Wee, A.T.S. 
Issue Date: 2009
Source: Chen, W., Chen, S., Chen, S., Li Huang, Y., Huang, H., Qi, D.C., Gao, X.Y., Ma, J., Wee, A.T.S. (2009). Orientation-controlled charge transfer at CuPc/ F16 CuPc interfaces. Journal of Applied Physics 106 (6) : -. ScholarBank@NUS Repository. https://doi.org/10.1063/1.3225918
Abstract: Molecular orientation-controlled charge transfer has been observed at the organic-organic heterojunction interfaces of copper-hexadecafluoro- phthalocyanine (F16 CuPc) or copper(II) phthalocyanine (CuPc) on both standing-up and lying-down CuPc or F16 CuPc thin films. In situ synchrotron-based photoemission spectroscopy reveals that the charge transfer at the standing F16 CuPc/CuPc or CuPc/ F16 CuPc interface is much larger than that at the lying F16 CuPc/CuPc or CuPc/ F16 CuPc interface. This can be explained by the orientation-dependent ionization potentials of well-ordered organic thin films, which place the highest-occupied molecular orbital of the standing CuPc film much closer to the lowest-unoccupied molecular orbital of the standing F16 CuPc film, facilitating stronger charge transfer as compared to that at the lying OOH interfaces. Our results suggest the possibility of manipulating interfacial electronic structures of organic heterojunctions by controlling the molecular orientation, in particular for applications in ambipolar organic field transistors and organic photovoltaics. © 2009 American Institute of Physics.
Source Title: Journal of Applied Physics
URI: http://scholarbank.nus.edu.sg/handle/10635/53075
ISSN: 00218979
DOI: 10.1063/1.3225918
Appears in Collections:Staff Publications

Show full item record
Files in This Item:
There are no files associated with this item.

SCOPUSTM   
Citations

36
checked on Jan 23, 2018

WEB OF SCIENCETM
Citations

37
checked on Jan 23, 2018

Page view(s)

56
checked on Jan 20, 2018

Google ScholarTM

Check

Altmetric


Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.