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In search of the molecular triplet of C60 using low temperature Raman spectroscopy

Chambers, G, Dalton, AB and Byrne, HJ (2001) In search of the molecular triplet of C60 using low temperature Raman spectroscopy Materials Research Society Symposium - Proceedings, 675.

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Abstract

The excited state properties of C60 thin films have been probed in the temperature range 77-273K using Raman spectroscopy. The change in the Raman, 2Ag mode of C60 (whose position is largely independent of temperature) was monitored as a function of the excitation intensity at 514.5nm. This mode normally positioned at 1469cm-1, was seen to shift reversibly to a lower Raman frequency with increasing laser intensity. Two excited state species have been identified. The first, at 1466cm-1 has been associated with the molecular triplet of C60. The second species at 1463cm-1, has been speculated to be an excited state co-operative involving two or more excited states in the solid and is seen to be intrinsic to solid state C60 below the phase transition.

Item Type: Article
Authors :
NameEmailORCID
Chambers, GUNSPECIFIEDUNSPECIFIED
Dalton, ABa.dalton@surrey.ac.ukUNSPECIFIED
Byrne, HJUNSPECIFIEDUNSPECIFIED
Date : 1 December 2001
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 13:11
Last Modified : 17 May 2017 15:09
URI: http://epubs.surrey.ac.uk/id/eprint/838255

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