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American Chemical Society, Journal of Physical Chemistry C, 27(114), p. 11958-11961, 2010

DOI: 10.1021/jp1034536

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Two-Photon Pumped Amplified Spontaneous Emission from Cyano-Substituted Oligo(p-phenylenevinylene) Crystals with Aggregation-Induced Emission Enhancement

Journal article published in 2010 by Hong-Hua Fang ORCID, Yu-Guang, Qi-Dai Chen, Jie Yang, Hong Xia, Bing-Rong Gao, Jing Feng, Yu-Guang Ma, Hong-Bo Sun ORCID
This paper is available in a repository.
This paper is available in a repository.

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Abstract

We report the effective two-photon absorption-induced upconversion amplified spontaneous emission (ASE) in the cyano-substituted oligo(p-phenylenevinylene) 1,4-bis[1-cyano-2-(4-(diphenylamino)phenyl)vinyl]benzene (TPCNDSB) organic crystals. The material shows enhanced emission in the solid state (31% quantum yield in crystal) and efficient two-photon absorption. The ASE under the one-photon and two-photon excitation were observed. It is demonstrated that the organic crystals of TPCNDSB might be practically used as fluorescent materials for potential upconversion laser applications.