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Double quantum external photoelectric effect in merocyanine

✍ Scribed by Xiang-Feng Jin; Marek Zielinski; Martin Pope

Publisher
Elsevier Science
Year
1985
Tongue
English
Weight
306 KB
Volume
119
Category
Article
ISSN
0009-2614

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✦ Synopsis

The double quantum exwmnl phoroelecrric erkcr DQEPE. was found in a merocyanins dye. A modified M11hLm apparams was used LO measure photoemission rrom a microcrystal of the dye suspended in a N2 almorphcre by an slec~ric field. The crystal iomwtion energy was 5.25 eV and the band gap was 2 5 eV. The mechanism or the DQEPE m mcrocydnins is pholoionizalion or a trapped electron. and is dislinctly dlrrerenl from Ihe DQEPE round prc\iousl> in anrhracene and Ieu-acene. 1. Intioduction ' Permanem address: Institute or Chemistry. China Academy or Sciences. Beijng 10080. People's Repubhc of China.

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