Annealing assisted enhancement in photo response of PV deposited CdS thin films

被引：9
|
作者：
Moger, Sahana Nagappa [1 ]
Kumar, Pawan [1 ]
Rao, Gowrish K. [1 ]
Mahesha, M. G. [1 ]
机构：
[1] Manipal Acad Higher Educ, Manipal Inst Technol, Dept Phys, Manipal 576104, Karnataka, India
来源：
OPTICS AND LASER TECHNOLOGY | 2022年 / 149卷
关键词：
CdS photodetector; Refractive index; Spectral response; Time response; Photoconductivity; ELECTRICAL-TRANSPORT PROPERTIES; REFRACTIVE-INDEX; ELECTRONIC-PROPERTIES; ENERGY-GAP; SEMICONDUCTORS; PHOTODETECTOR; IRRADIATION; PARAMETERS;
D O I：
10.1016/j.optlastec.2022.107868
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
CdS films were deposited on glass substrates by thermal evaporation method at room temperature. The effect of air annealing on structural, optical, and electrical properties of the films were characterized by XRD, UV-Visible spectroscopy, Hall effect and I-V measurements. The structural parameters crystallite size and residual stress showed an inverse relation between them. After annealing, the absorption edge was red shifted. Different models that use band gap of the films as input parameter were adopted to calculated refractive indices of the films. Annealing has resulted in the enhancement of carrier mobility. Finally, the spectral and time response of the pristine and annealed CdS films have been studied in detail and response time was found to be in the microsecond range. Annealing has reduced the response time considerably and made the films suitable for photodetector in the visible range.
引用
收藏
页数：7
相关论文
共 50 条
  • [1] Deposited technology and photo electric properties of CdS thin films
    Institute of Photo-electronic Thin Film Devices and Technique, Nankai University, Tianjin 300071, China
    不详
    Taiyangneng Xuebao, 2006, 7 (682-686):
  • [2] PHOTOCURRENT RESPONSE IN CHEMICALLY DEPOSITED CDS THIN-FILMS
    NAIR, PK
    NAIR, MTS
    CAMPOS, J
    SOLAR ENERGY MATERIALS, 1987, 15 (06): : 441 - 452
  • [3] PHOTOCURRENT RESPONSE IN CHEMICALLY DEPOSITED CdS THIN FILMS.
    Nair, P.K.
    Nair, M.T.S.
    Campos, J.
    Solar energy materials, 1987, l5 (06):
  • [4] (Photo) Electrochemical studies of chemically deposited h-CdS thin films
    Swamy, T. N. Narayana
    Shelke, A. R.
    Lokhande, A. C.
    Pushpalatha, H. L.
    Lokhande, C. D.
    Ganesha, R.
    OPTIK, 2017, 138 : 192 - 199
  • [5] The photo-electric and thermal properties of vacuum deposited CdS thin films
    Mohammed, WF
    Nory, AM
    RENEWABLE ENERGY, 1998, 14 (1-4) : 129 - 134
  • [6] Photo-electric and thermal properties of vacuum deposited CdS thin films
    Mosul Univ, Mosul, Iraq
    Renewable Energ, 1-4 (129-134):
  • [7] The effect of annealing time on zinc selenide thin films deposited by photo-assisted chemical bath deposition
    Hile, D. D.
    Swart, H. C.
    Motloung, S., V
    Kroon, R. E.
    Egbo, K. O.
    Koao, L. F.
    JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS, 2020, 140
  • [8] VACUUM ANNEALING OF THIN CDS FILMS
    MAK, VT
    BUKOVSKII, VE
    STETSENKO, VI
    INORGANIC MATERIALS, 1991, 27 (03) : 368 - 371
  • [9] Optical and electrical properties of chemically deposited CdS thin films modified by air annealing
    Gluszak, Edward A.
    Hinckley, Steven
    Conference on Optoelectronic and Microelectronic Materials and Devices, Proceedings, COMMAD, 1998, : 426 - 429
  • [10] Annealing Effect of CdS Thin Films Deposited by Chemical Bath Deposition on Different Substrates
    Robin, Yoann
    Moret, Matthieu
    Ruffenach, Sandra
    Aulombard, Roger-Louis
    Briot, Olivier
    2013 IEEE 39TH PHOTOVOLTAIC SPECIALISTS CONFERENCE (PVSC), 2013, : 1173 - 1177
12345