Citation: Fu You LI, Xiao Rong ZOU, Chun Hui HUANG. Enhancement of Photocurrent Generation of a Novel Stilbazolium Dye Dimer in LB Monolayer Films[J]. Chinese Chemical Letters, ;2003, 14(6): 641-644. shu

Enhancement of Photocurrent Generation of a Novel Stilbazolium Dye Dimer in LB Monolayer Films

1.
State Key Laboratory of Rare Earth Materials Chemistry and Applications, Peking University-University of Hong Kong Joint Laboratory on Rare Earth Materials and Bioinorganic Chemistry, Peking University, Beijing 100871;
2.
College of Aerospace and Material Engineering, National University of Defense Technology, Changsha, 410073

Received Date: 16 May 2002

Fund Project: The authors thank the State Key Project of Fundamental Research (G1998061308, 2002AA 3024030) and the National Natural Science Foundation of China (20023005) and China Postdoctoral Science Foundation for financial support of this work.

A novel dye dimer, bis-{[1-(N-hexadecyl-4-pyridinium)-2-(4-N, N-dimethylamino-phenyl)] ethenyl}methane diiodide (C₁₆BP) was synthesized, and the photoelectrochemistry of thedye Langmuir-Blodgett monolayer modified ITO electrode was investigated. For comparison, thephotoelectrochemistry of the monomer (E)-N-hexadecyl-4-[2-(4-N, N-dimethylaminophenyl)ethenyl] pyridinium iodide (C₁₆P) was also measured. The results show that the photocurrentgeneration property of the dimer is enhanced. The photocurrent generation quantum yield is0.38% for C₁₆BP, while that for C₁₆P is 0.23%.
- Langmuir-Blodgett films,
- stilbazolium dye dimer,
- photocurrent generation
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