Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/91803
Title: X-ray photoelectron spectroscopic studies of some polyvinylpyridine. Acceptor complexes
Authors: Tan, K.L. 
Tan, B.T.G. 
Kang, E.T. 
Neoh, K.G. 
Issue Date: Jan-1990
Source: Tan, K.L.,Tan, B.T.G.,Kang, E.T.,Neoh, K.G. (1990-01). X-ray photoelectron spectroscopic studies of some polyvinylpyridine. Acceptor complexes. Journal of molecular electronics 6 (1) : 5-13. ScholarBank@NUS Repository.
Abstract: The charge-transfer (CT) interactions between poly-2-vinylpyridine and poly-4-vinylpyridine and various electron acceptors, such as I2, Br2 and 2,3-dichloro-5,6-dicyano-p-benzoquinone (DDQ), were studied by x-ray photoelectron spectroscopy (XPS). The CT interactions involving Br2 and DDQ proceeded further than the formation of pure molecular complexes and resulted in new adducts. Most of the iodine in the polymer-I2 complexes was found to be removable under reduced pressure. XPS data also revealed that the steric hindrance associated with the position of the pyridinium nitrogen has a marked effect on the extent of CT interactions in the DDQ, but not the halogen, complexes.
Source Title: Journal of molecular electronics
URI: http://scholarbank.nus.edu.sg/handle/10635/91803
ISSN: 07487991
Appears in Collections:Staff Publications

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