Studies on anodic corrosion of the electroplated CdSe in aqueous and non-aqueous media for photoelectrochemical cells and characterization of the electrode/electrolyte interface

被引:31
作者
Bhattacharya, C [1 ]
Datta, J [1 ]
机构
[1] BE Coll, Dept Chem, Howrah 711103, W Bengal, India
关键词
chalcogenides; crystal growth; atomic force microscopy (AFM); electrochemical properties;
D O I
10.1016/j.matchemphys.2004.09.002
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Polycrystalline n-CdSe thin films were prepared by electrodeposition at controlled current density on conducting substrates. The optical characteristics were determined through transmittance spectra. Scanning electron microscopy and atomic force microscopy were employed to study the morphology of the semiconductor (SC) surfaces. Chemical composition of the SC film was established by EDAX analysis. The n-CdSe/electrolyte junctions in water and non-aqueous solvents like acetonitrile (ACN), dimethyl formamide (DMF), dimethyl sulphoxide (DMSO) and propylene carbonate (PC) were characterized by Mott-Schottky analysis using frequency response analyzer. The stability of CdSe layers in water and in non-aqueous solvents was determined through anodic polarization studies. Anodic stripping voltammetry was employed to find out the dissoluted Cd2+ in solution. Photovoltage was measured under illuminated conditions using ferrocene-ferricenium couple in aqueous and non-aqueous solvents throughout the temperature range of 20-70degreesC. The results are indicative of the potential use of the electrodeposited n-CdSe in selected non-aqueous medium for solar energy conversion by photoelectrochemical (PEC) devices. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码:170 / 175
页数:6
相关论文
共 15 条
[1]   PRIMARY REACTIONS IN THE PHOTOCORROSION OF CDSE THROUGH PHOTOCAPACITANCE MEASUREMENTS [J].
ALLONGUE, P ;
TENNE, R .
JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 1991, 138 (01) :261-268
[2]   CHARACTERIZATION OF THE INTERFACE ENERGETICS FOR N-TYPE CADMIUM SELENIDE NON-AQUEOUS ELECTROLYTE JUNCTIONS [J].
ARUCHAMY, A ;
BRUCE, JA ;
TANAKA, S ;
WRIGHTON, MS .
JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 1983, 130 (02) :359-364
[3]  
BARD AJ, 1998, ELECTROCHEMICAL METH, P416
[4]  
BARD AJ, 1998, ELECTROCHEMICAL METH, P636
[5]  
BOCKRIS JOM, 1970, MODERN ELECTROCHEMIS, V2, P1288
[6]   RELATIVE STANDARD ELECTRODE-POTENTIALS OF I3-/I-/I2/I3-, AND I2/I- REDOX COUPLES AND THE RELATED FORMATION-CONSTANTS OF I3- IN SOME PURE AND MIXED DIPOLAR APROTIC-SOLVENTS [J].
DATTA, J ;
BHATTACHARYA, A ;
KUNDU, KK .
BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN, 1988, 61 (05) :1735-1742
[7]   LIQUID JUNCTION POTENTIALS ACROSS THE INTERFACE BETWEEN THE AQUEOUS SATURATED CALOMEL ELECTRODE AND SOME NON-AQUEOUS SOLVENTS, BASED ON THE TATB ASSUMPTION [J].
DATTA, J ;
BHATTACHARYA, S ;
KUNDU, KK .
AUSTRALIAN JOURNAL OF CHEMISTRY, 1983, 36 (09) :1779-1784
[8]   ELECTROCHEMICAL STUDIES OF PHOTOCORROSION OF N-CDSE [J].
FRESE, KW .
JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 1983, 130 (01) :28-33
[9]   FACTORS INFLUENCING OUTPUT STABILITY OF CD-CHALCOGENIDE-POLYSULFIDE PHOTOELECTROCHEMICAL CELLS [J].
HODES, G ;
MANASSEN, J ;
CAHEN, D .
SOLAR ENERGY MATERIALS, 1981, 4 (04) :373-381
[10]   Photoelectrochemical properties of CdX (X=S, Se, Te) films electrodeposited from aqueous and non-aqueous baths [J].
Lade, SJ ;
Uplane, MD ;
Lokhande, CD .
MATERIALS CHEMISTRY AND PHYSICS, 2001, 68 (1-3) :36-41