A study of some quinones and their anion radicals with vis-near-IR absorption

Pang Xiaoyi, Qian Xuhong, Tian He, Xu Ping, Chen Kongchang

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

The vis-near-IR spectra and synthesis of some quinones compounds such as 2,9-dichloropentacene-5,7,12,14-tetrone (2,9-dichloro-PDQ) and their semi-quinone anion radicals were studied. The semiquinones of the diquinones show unusual shifts to thenear-IR region (1.0 μm) compared to their precursors; these long-wavelength near-IR hands are assigned to π-π* transitions from delocalized anion radicals.

Original languageEnglish
Pages (from-to)79-84
Number of pages6
JournalDyes and Pigments
Volume23
Issue number2
DOIs
StatePublished - 1993
Externally publishedYes

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