One- and two-photon photostability of 9,9-didecyl-2,7-bis(N, N-diphenylamino)fluorene

Kevin D. Belfield; Mykhailo V. Bondar; Olga V. Przhonska; Katherine J. Schafer

doi:10.1039/b307426a

One- and two-photon photostability of 9,9-didecyl-2,7-bis(N, N-diphenylamino)fluorene

Kevin D. Belfield, Mykhailo V. Bondar, Olga V. Przhonska, Katherine J. Schafer

Research output: Contribution to journal › Article › peer-review

34 Scopus citations

Abstract

The quantum yields of the photochemical reactions of 9,9-didecyl-2,7-bis(N, N-diphenylamino)fluorene have been determined in hexane and CH₂Cl₂ under one-photon (linear) and near-IR two-photon (nonlinear) absorption conditions. The photochemical decomposition proceeds by a first-order reaction and is independent of the type of excitation (one- or two-photon). In hexane solution, the quantum yields of the photoreactions are in the range (2–5)× 10⁻⁴ and increase dramatically to 10⁻² in CH₂Cl₂. The predominant mechanisms of the photoreactions and the photoproducts products which result were investigated via UV-visible absorption, fluorescence, and excitation anisotropy spectral methods.

Original language	English (US)
Pages (from-to)	138-141
Number of pages	4
Journal	Photochemical and Photobiological Sciences
Volume	3
Issue number	1
DOIs	https://doi.org/10.1039/b307426a
State	Published - Jan 20 2004
Externally published	Yes

All Science Journal Classification (ASJC) codes

Physical and Theoretical Chemistry

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title = "One- and two-photon photostability of 9,9-didecyl-2,7-bis(N, N-diphenylamino)fluorene",

abstract = "The quantum yields of the photochemical reactions of 9,9-didecyl-2,7-bis(N, N-diphenylamino)fluorene have been determined in hexane and CH2Cl2 under one-photon (linear) and near-IR two-photon (nonlinear) absorption conditions. The photochemical decomposition proceeds by a first-order reaction and is independent of the type of excitation (one- or two-photon). In hexane solution, the quantum yields of the photoreactions are in the range (2–5)× 10−4 and increase dramatically to 10−2 in CH2Cl2. The predominant mechanisms of the photoreactions and the photoproducts products which result were investigated via UV-visible absorption, fluorescence, and excitation anisotropy spectral methods.",

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doi = "10.1039/b307426a",

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T1 - One- and two-photon photostability of 9,9-didecyl-2,7-bis(N, N-diphenylamino)fluorene

AU - Belfield, Kevin D.

AU - Bondar, Mykhailo V.

AU - Przhonska, Olga V.

AU - Schafer, Katherine J.

PY - 2004/1/20

Y1 - 2004/1/20

N2 - The quantum yields of the photochemical reactions of 9,9-didecyl-2,7-bis(N, N-diphenylamino)fluorene have been determined in hexane and CH2Cl2 under one-photon (linear) and near-IR two-photon (nonlinear) absorption conditions. The photochemical decomposition proceeds by a first-order reaction and is independent of the type of excitation (one- or two-photon). In hexane solution, the quantum yields of the photoreactions are in the range (2–5)× 10−4 and increase dramatically to 10−2 in CH2Cl2. The predominant mechanisms of the photoreactions and the photoproducts products which result were investigated via UV-visible absorption, fluorescence, and excitation anisotropy spectral methods.

AB - The quantum yields of the photochemical reactions of 9,9-didecyl-2,7-bis(N, N-diphenylamino)fluorene have been determined in hexane and CH2Cl2 under one-photon (linear) and near-IR two-photon (nonlinear) absorption conditions. The photochemical decomposition proceeds by a first-order reaction and is independent of the type of excitation (one- or two-photon). In hexane solution, the quantum yields of the photoreactions are in the range (2–5)× 10−4 and increase dramatically to 10−2 in CH2Cl2. The predominant mechanisms of the photoreactions and the photoproducts products which result were investigated via UV-visible absorption, fluorescence, and excitation anisotropy spectral methods.

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One- and two-photon photostability of 9,9-didecyl-2,7-bis(N, N-diphenylamino)fluorene

Abstract

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