CHARACTERIZATION OF CdS NANOCRYSTALLINE THIN FILMS GROWN BY CBD TECHNIQUE AT VERY LOW SOLUTION CONCENTRATIONS

被引:0
作者
Rizwan, Z. [1 ]
Zakaria, A. [1 ]
Sabri, M. G. M. [1 ]
Din, Fasih Ud [1 ]
Zamiri, Reza [1 ]
Noroozi, Monir [1 ]
Norizom, M. [1 ]
机构
[1] Univ Putra Malaysia, Dept Phys, Fac Sci, Serdang 43400, Selangor Darul, Malaysia
来源
CHALCOGENIDE LETTERS | 2010年 / 7卷 / 07期
关键词
Annealing; Chemical bath deposition; Cadmium sulfide; Optical properties; CHEMICAL BATH DEPOSITION; SOLAR-CELLS; EFFICIENCY; OPTIMIZATION;
D O I
暂无
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
CdS films were deposited on glass substrate by chemical bath deposition (CBD) from a bath containing very low concentrations of CdCl(2) and (NH(2))(2)CS. The adhesion of the deposited films was very good for all solution concentrations. The films were thermally annealed in air at the temperature 240 degrees C for 1 hour. The maximum and minimum film thickness 75.6 nm, 33 nm was observed, respectively. XRD analyses show that the films were cubic along with few feeble peaks of hexagonal phase at lower solution concentrations. The crystallite size was increased from 17 to 51 nm with the increase of the solution concentration. The optical energy band gap (E(g)), Urbach energy (E(oo)) and absorption coefficient (alpha) was calculated from the transmission spectral data. The best transmission (> 94 %) was obtained in this experiment.
引用
收藏
页码:471 / 476
页数:6
相关论文
共 20 条
[1]  
Caglar M, 2006, J OPTOELECTRON ADV M, V8, P1410
[2]   HIGH-EFFICIENCY THIN-FILM CDS/CDTE HETEROJUNCTION SOLAR-CELLS [J].
CHU, TL ;
CHU, SS ;
FEREKIDES, C ;
WU, CQ ;
BRITT, J ;
WANG, C .
JOURNAL OF CRYSTAL GROWTH, 1992, 117 (1-4) :1073-1073
[3]   Optimization of CBD CdS process in high-efficiency Cu(In,Ga)Se2-based solar cells [J].
Contreras, MA ;
Romero, MJ ;
Hasoon, BTE ;
Noufi, R ;
Ward, S ;
Ramanathan, K .
THIN SOLID FILMS, 2002, 403 :204-211
[4]  
Contreras MA, 1999, PROG PHOTOVOLTAICS, V7, P311, DOI 10.1002/(SICI)1099-159X(199907/08)7:4<311::AID-PIP274>3.0.CO
[5]  
2-G
[6]   CDTE SOLAR-CELLS WITH EFFICIENCIES OVER 15-PERCENT [J].
FEREKIDES, C ;
BRITT, J .
SOLAR ENERGY MATERIALS AND SOLAR CELLS, 1994, 35 (1-4) :255-262
[7]   PHASE-FORMATION PROCESSES IN SOLUTION AT THE ATOMIC-LEVEL - METAL CHALCOGENIDE SEMICONDUCTORS [J].
FROMENT, M ;
LINCOT, D .
ELECTROCHIMICA ACTA, 1995, 40 (10) :1293-1303
[8]   GROWTH-KINETICS AND POLYMORPHISM OF CHEMICALLY DEPOSITED CDS FILMS [J].
KAUR, I ;
PANDYA, DK ;
CHOPRA, KL .
JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 1980, 127 (04) :943-948
[9]   Optimization of chemical bath deposited US thin films using nitrilotriacetic acid as a complexing agent [J].
Khallaf, Hani ;
Oladeji, Isaiah O. ;
Chow, Lee .
THIN SOLID FILMS, 2008, 516 (18) :5967-5973
[10]  
Kitaev G.A., 1965, RUSS J PHYS CHEM, V39, P1101