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Citation: Li Fu-You, Zheng Jie, Liu Ting-Ting, Jin Lin-Pei, Zhao Xin-Sheng, Guo Jian-Quan. Photochemistry and Photoelectrochemistry of Donor-π-acceptor Azo-methine Dyes*[J]. Acta Physico-Chimica Sinica, ;2000, 16(09): 787-791. doi: 10.3866/PKU.WHXB20000906 shu

Photochemistry and Photoelectrochemistry of Donor-π-acceptor Azo-methine Dyes*

1.
Department of Chemistry,Beijing Normal University,Beijing 100875

Received Date: 13 December 1999
Available Online: 15 September 2000

An amphiphilic azo-methine dye (E)- N- octadecyl- 2- [2- (4- N,N- dimethyl aminophenyl)azomethinyl] pyridinium iodide (PN2),was synthesized. The dye molecule was successfully transferred onto quartz (or ITO slides) by Langmiur- Blodgett (LB) technique. The study on its photochemical and photoelectrochemical properties indicates that the azo-methine dye is a photodegradable compound. And second- harmonic generation (SHG) and photoelectric conversion (PEC) properties for this dye were observed. Its is 145.6 pm•V - 1, and its quantum yield of photocurrent generation is 1.37％ in 0.5 mol•L－1 KCl solution containing 0.1 mmol•L－1 hydroquinone, degassed with N2 and at zero bias voltage (vs SCE).
- Azo-methine dye,
- LB monolayer film,
- Second-harmonic generation(SHG),
- Photoelectric conversion(PEO)
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