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In situ coordination of pyridine, quinoline, and quinoxaline with copper(I) iodide at the solid–liquid interface: Formation, characterization, and function of the microcrystal films

Published online by Cambridge University Press:  31 January 2011

Baoqiang Lv ,
Changming Cheng ,
Hongyan Yuan ,
Dan Xiao  and
Martin M.F. Choi
Baoqiang Lv
Affiliation:
College of Chemistry and College of Chemical Engineering, Sichuan University, Chengdu 610065, People’s Republic of China
Changming Cheng
Affiliation:
College of Chemistry and College of Chemical Engineering, Sichuan University, Chengdu 610065, People’s Republic of China
Hongyan Yuan
Affiliation:
College of Chemistry and College of Chemical Engineering, Sichuan University, Chengdu 610065, People’s Republic of China
Dan Xiao*
Affiliation:
College of Chemistry and College of Chemical Engineering, Sichuan University, Chengdu 610065, People’s Republic of China
Martin M.F. Choi
Affiliation:
Department of Chemistry, Hong Kong Baptist University, Kowloon Tong, Hong Kong SAR, People’s Republic of China
*
a)Address all correspondence to this author. e-mail: xiaodan@scu.edu.cn
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Abstract

An in situ surface-reaction approach has been developed for the synthesis of microcrystals Cu4I4(C6H5N)4, Cu4I4(C9H7N)4, and Cu2I2(C8H6N2) in solid films. Microcrystals of Cu4I4(C6H5N)4, Cu4I4(C9H7N)4, and Cu2I2(C8H6N2) were easily formed on a copper substrate at the solid Cu–liquid pyridine (C6H5N),–quinoline (C9H7N), and–quinoxaline (C8H6N2) interfaces. The resulting microcrystal films were characterized by photoluminescence spectroscopy, scanning electron microscopy, transmission electron microscopy, energy dispersive x-ray spectroscopy, x-ray diffraction, and electrochemical impedance spectroscopy. The effect of ligands on the morphology of the film materials and their chemical properties were also discussed. These microcrystal films possessing reversible photocurrent and photovoltage properties were studied in detail. The photoactive and mechanically stable complex films described here may provide new strategies for fabricating photoluminescence solid films, photomodulation potential, and current films. The potential applications of the microcrystal films are for small light-induced electronic junction and photoluminescence sensors.

Keywords

Crystal growthFilmSurface reaction
Type
Articles
Information
Journal of Materials Research , Volume 23 , Issue 6 , June 2008 , pp. 1722 - 1731
Copyright
Copyright © Materials Research Society 2008

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