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Fluorescence self-quenching and charge transfer of a novel A-σ-π-σ-A type of silicon-bridged compound

Paper ID Volume ID Publish Year Pages File Format Full-Text
26913 43986 2010 7 PDF Available
Title
Fluorescence self-quenching and charge transfer of a novel A-σ-π-σ-A type of silicon-bridged compound
Abstract

A novel A-σ-π-σ-A type of silicon-bridged compound, 1,4-bis(cyanophenyldimethylsilyl)benzene (CPDMB), was synthesized and fully characterized by FT-IR, 1H NMR, 13C NMR, HRMS, and single crystal X-ray diffraction. Ultraviolet properties and steady-state fluorescence of CPDMB were studied. The concentration self-quenching phenomena of CPDMB were found in 2-propanol, THF, and CH2Cl2. It can be well interpreted by photoinduced self-assembly behavior (J-aggregate) of the CPDMB in solvents. Moreover, the effects of solvents on the fluorescence self-quenching phenomena were also investigated. In order to interpret the novel photoelectric properties of CPDMB, DFT calculations on gas phase CPDMB were carried out.

Keywords
Silicon-bridged compound; Fluorescence self-quenching; Charge-transfer; J-aggregate
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Fluorescence self-quenching and charge transfer of a novel A-σ-π-σ-A type of silicon-bridged compound
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 214, Issues 2–3, 15 August 2010, Pages 241–247
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
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Price was $35.95
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