Application of tin-doped cadmium oxide films in CdTe/CdS solar cells

被引:6
作者
Zhao, Z [1 ]
Komin, V [1 ]
Viswanathan, V [1 ]
Morel, DL [1 ]
Ferekides, CS [1 ]
机构
[1] Univ S Florida, Dept Elect Engn, Ctr Clean Energy & Vehicles, Tampa, FL 33620 USA
来源
CONFERENCE RECORD OF THE TWENTY-EIGHTH IEEE PHOTOVOLTAIC SPECIALISTS CONFERENCE - 2000 | 2000年
关键词
D O I
10.1109/PVSC.2000.915947
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
Transparent conducting tin-doped cadmium oxide films (CdO:Sn) have been deposited by metalorganic chemical vapor deposition (MOCVD) at atmospheric pressure. The effects of various deposition parameters, such as the partial pressures of DMCd and TMT, and substrate temperature, on the electrical and optical properties of as-deposited films were studied. A sheet resistance of 14 similar to 17 Omega /sq was obtained for a film thickness of 125 nm. The high conductivity of the as-deposited films was due to their high carrier concentrations. The transmission of the films in the visible range (500-850 nm) was found to be high (80 similar to 95%). Both electrical and optical properties of the as-deposited films improved after annealing in H-2 or He ambient. CdTe/CdS solar cells have been fabricated using CdO:Sn as the front contact and a conversion efficiency of 14.3% has been obtained.
引用
收藏
页码:662 / 665
页数:4
相关论文
共 11 条
[1]   ANOMALOUS OPTICAL ABSORPTION LIMIT IN INSB [J].
BURSTEIN, E .
PHYSICAL REVIEW, 1954, 93 (03) :632-633
[2]   Some physical properties of F-doped CdO thin films deposited by spray pyrolysis [J].
Ferro, R ;
Rodríguez, JA .
THIN SOLID FILMS, 1999, 347 (1-2) :295-298
[3]   STRUCTURAL CHARACTERIZATION OF CADMIUM-OXIDE THIN-FILMS DEPOSITED BY SPRAY-PYROLYSIS [J].
GURUMURUGAN, K ;
MANGALARAJ, D ;
NARAYANDASS, SK .
JOURNAL OF CRYSTAL GROWTH, 1995, 147 (3-4) :355-360
[4]  
MIRSAGATOV SA, 1991, APPL SOLAR ENERGY, V27, P45
[5]   THE INTERPRETATION OF THE PROPERTIES OF INDIUM ANTIMONIDE [J].
MOSS, TS .
PROCEEDINGS OF THE PHYSICAL SOCIETY OF LONDON SECTION B, 1954, 67 (418) :775-782
[6]   OPTICAL AND ELECTRICAL PROPERTIES OF CD2SNO4 - A DEFECT SEMICONDUCTOR [J].
NOZIK, AJ .
PHYSICAL REVIEW B, 1972, 6 (02) :453-&
[7]   CHEMICALLY DEPOSITED N-CDO THIN-FILMS FOR SOLAR-CELL APPLICATION [J].
OCAMPO, M ;
SEBASTIAN, PJ ;
CAMPOS, J .
PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE, 1994, 143 (01) :K29-K32
[8]   DEPOSITION AND PROPERTIES OF CADMIUM-OXIDE FILMS BY ACTIVATED REACTIVE EVAPORATION [J].
PHATAK, G ;
LAL, R .
THIN SOLID FILMS, 1994, 245 (1-2) :17-26
[9]   Influence of oxygen pressure on the structural and optical properties of DC magnetron reactive sputtered cadmium oxide films [J].
Subramanyam, TK ;
Uthanna, S ;
Naidu, BS .
PHYSICA SCRIPTA, 1998, 57 (02) :317-320
[10]   THEORY OF BAND STRUCTURE OF VERY DEGENERATE SEMICONDUCTORS [J].
WOLFF, PA .
PHYSICAL REVIEW, 1962, 126 (02) :405-&