Impact of CdTe thin film thickness in ZnxCd1−xS/CdTe solar cell by RF sputtering

Mohammad Sharafat Hossain, Kazi Sajedur Rahman, Mohammad Rezaul Karim, Mohammed Omer Aijaz, Mushtaq Ahmad Dar, Muhammad Ali Shar, Halina Misran, Nowshad Amin

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

This paper presents the impact of thickness of RF sputtered CdTe thin film as an absorber layer through structural and optical characterization in ZnxCd1−xS/CdTe solar cells at lower concentration of zinc (Zn). The crystallographic, morphological and optical properties of CdTe thin film fabricated on top of bare soda-lime glass were elucidated by X-ray diffraction (XRD), scanning electron microscopy (SEM), atomic force microscopy (AFM) and ultraviolet (UV) spectrophotometer. XRD spectra shows that crystallinity increases in thicker samples and the CdTe (1 1 1) diffraction peak intensity centered at 23.825° increases with the increase of film thickness confirming the zinc blend structure of CdTe thin film. The window layer ZnxCd1−xS was fabricated with optimum deposition conditions by co-sputtering of ZnS and CdS. The complete cell was fabricated by RF magnetron sputtering with the cell configuration of glass/FTO/ZnxCd1−xS/ZnTe/Ag. With the increasing thicknesses of CdTe the cell efficiency increases with the highest efficiency of 8.79% for 3.5 μm of CdTe. This paves the way of novel window of ZnCdTe for smoothening the junction mismatches in hetero-junction CdTe thin film solar cells.

Original languageEnglish
Pages (from-to)559-566
Number of pages8
JournalSolar Energy
Volume180
DOIs
Publication statusPublished - 01 Mar 2019

Fingerprint

Sputtering
Film thickness
Solar cells
Thin films
Zinc
Ultraviolet spectrophotometers
X ray diffraction
Glass
Lime
Magnetron sputtering
Atomic force microscopy
Optical properties
Diffraction
Scanning electron microscopy
Thin film solar cells
soda lime

All Science Journal Classification (ASJC) codes

  • Renewable Energy, Sustainability and the Environment
  • Materials Science(all)

Cite this

Hossain, M. S., Rahman, K. S., Karim, M. R., Aijaz, M. O., Dar, M. A., Shar, M. A., ... Amin, N. (2019). Impact of CdTe thin film thickness in ZnxCd1−xS/CdTe solar cell by RF sputtering. Solar Energy, 180, 559-566. https://doi.org/10.1016/j.solener.2019.01.019
Hossain, Mohammad Sharafat ; Rahman, Kazi Sajedur ; Karim, Mohammad Rezaul ; Aijaz, Mohammed Omer ; Dar, Mushtaq Ahmad ; Shar, Muhammad Ali ; Misran, Halina ; Amin, Nowshad. / Impact of CdTe thin film thickness in ZnxCd1−xS/CdTe solar cell by RF sputtering. In: Solar Energy. 2019 ; Vol. 180. pp. 559-566.
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Hossain, MS, Rahman, KS, Karim, MR, Aijaz, MO, Dar, MA, Shar, MA, Misran, H & Amin, N 2019, 'Impact of CdTe thin film thickness in ZnxCd1−xS/CdTe solar cell by RF sputtering', Solar Energy, vol. 180, pp. 559-566. https://doi.org/10.1016/j.solener.2019.01.019

Impact of CdTe thin film thickness in ZnxCd1−xS/CdTe solar cell by RF sputtering. / Hossain, Mohammad Sharafat; Rahman, Kazi Sajedur; Karim, Mohammad Rezaul; Aijaz, Mohammed Omer; Dar, Mushtaq Ahmad; Shar, Muhammad Ali; Misran, Halina; Amin, Nowshad.

In: Solar Energy, Vol. 180, 01.03.2019, p. 559-566.

Research output: Contribution to journalArticle

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AU - Hossain, Mohammad Sharafat

AU - Rahman, Kazi Sajedur

AU - Karim, Mohammad Rezaul

AU - Aijaz, Mohammed Omer

AU - Dar, Mushtaq Ahmad

AU - Shar, Muhammad Ali

AU - Misran, Halina

AU - Amin, Nowshad

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AB - This paper presents the impact of thickness of RF sputtered CdTe thin film as an absorber layer through structural and optical characterization in ZnxCd1−xS/CdTe solar cells at lower concentration of zinc (Zn). The crystallographic, morphological and optical properties of CdTe thin film fabricated on top of bare soda-lime glass were elucidated by X-ray diffraction (XRD), scanning electron microscopy (SEM), atomic force microscopy (AFM) and ultraviolet (UV) spectrophotometer. XRD spectra shows that crystallinity increases in thicker samples and the CdTe (1 1 1) diffraction peak intensity centered at 23.825° increases with the increase of film thickness confirming the zinc blend structure of CdTe thin film. The window layer ZnxCd1−xS was fabricated with optimum deposition conditions by co-sputtering of ZnS and CdS. The complete cell was fabricated by RF magnetron sputtering with the cell configuration of glass/FTO/ZnxCd1−xS/ZnTe/Ag. With the increasing thicknesses of CdTe the cell efficiency increases with the highest efficiency of 8.79% for 3.5 μm of CdTe. This paves the way of novel window of ZnCdTe for smoothening the junction mismatches in hetero-junction CdTe thin film solar cells.

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Hossain MS, Rahman KS, Karim MR, Aijaz MO, Dar MA, Shar MA et al. Impact of CdTe thin film thickness in ZnxCd1−xS/CdTe solar cell by RF sputtering. Solar Energy. 2019 Mar 1;180:559-566. https://doi.org/10.1016/j.solener.2019.01.019