J. Semicond. > 2016, Volume 37?>?Issue 7?> 074002

SEMICONDUCTOR DEVICES

Photovoltaic performance of hybrid ITO/PEDOT: PSS/n-SnS/Al solar cell structure

Priyal Jain1 and P. Arun2

+ Author Affiliations

 Corresponding author: P. Arun, Email: arunp92@physics.du.ac.in

DOI: 10.1088/1674-4926/37/7/074002

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Abstract: The present paper discusses the performance of ITO/PEDOT:PSS/n-SnS/Al structured solar cells fabricated by thermal evaporation. The performance characterizing parameters such as the open circuit voltage, short circuit current density, series resistance, parallel resistance, ideality factor and the overall efficiency were found to be dependent on the SnS grain size in the nano-meter regime and incident light intensity. The experimental work directly reconfirms the theoretical results and ideas raised in the literature by early researchers.

Key words: solar cells, thin films, inorganic



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.  Figure shows the structure of our solar cell with layers of ITO/PEDOT:PSS/SnS/Al.


.  (a) X-ray diffraction profiles of selected SnS films grown on ITO glass substrates. Sample identification with their Miller indices are indicated. (b) Variation of grain size with film thickness.


.  SEM micrographs of SnS films (a) of 500 nm and (b) 800 nm thickness.


.  Energy level diagram of the ITO/PEDOT:PSS/SnS/Al structure.


.  X-ray photo-electron spectroscopy peaks of tin (3d orbital) and sulphur (2p orbital) shows films to have SnS stoichiometry.


.  J–V characteristics of photovoltaic structures ITO/PEDOT:PSS/SnS/Al. (a) J–V characteristics of 500 nm thick SnS film taken in the dark. This curve is representative of all the samples under study. (b) Characteristics for different thicknesses of SnS obtained under illumination (100 mW=cm2).


.  Single diode equivalent circuit of a solar cell.


.  (Color online) Series resistance (Rs) and parallel resistance (Rp) of solar cells as a function of the SnS active layers thickness.


.  (Color online) (a) The open circuit voltage (Voc) and (b) the short circuit current density (Jsc) of solar cells as a function of the SnS grain size within the active layers.


.  Ideality factor as a function of SnS film thickness.


.  (Color online) Efficiency of the ITO/PEDOT:PSS/SnS/Al structured solar cells show a linear dependency on 1=Rs.


.   Comparison of properties of SnS based solar cells from the literature listed in order of increasing efficiency.

.   Comparison of ITO/PEDOT:PSS/SnS/Al structure under different illumination intensities.

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[26]
[27]
[28]
Cullity B D, Stock S R. Elements of X-ray diffraction. 3rd ed. NJ:Prentice-Hall Inc, 2001
[29]
[30]
[31]
[32]
[33]
[34]
Sze S M. Physics of semiconductor devices. 2nd ed. John Wiley and Sons, Inc. 1981
[35]
[36]
[37]
[38]
[39]

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    Received: 06 September 2015 Revised: Online: Published: 01 July 2016

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      Priyal Jain, P. Arun. Photovoltaic performance of hybrid ITO/PEDOT: PSS/n-SnS/Al solar cell structure[J]. Journal of Semiconductors, 2016, 37(7): 074002. doi: 10.1088/1674-4926/37/7/074002 ****P Jain, P. Arun. Photovoltaic performance of hybrid ITO/PEDOT: PSS/n-SnS/Al solar cell structure[J]. J. Semicond., 2016, 37(7): 074002. doi: 10.1088/1674-4926/37/7/074002.
      Citation:
      Priyal Jain, P. Arun. Photovoltaic performance of hybrid ITO/PEDOT: PSS/n-SnS/Al solar cell structure[J]. Journal of Semiconductors, 2016, 37(7): 074002. doi: 10.1088/1674-4926/37/7/074002 ****
      P Jain, P. Arun. Photovoltaic performance of hybrid ITO/PEDOT: PSS/n-SnS/Al solar cell structure[J]. J. Semicond., 2016, 37(7): 074002. doi: 10.1088/1674-4926/37/7/074002.

      Photovoltaic performance of hybrid ITO/PEDOT: PSS/n-SnS/Al solar cell structure

      DOI: 10.1088/1674-4926/37/7/074002

      • Department of Electronic Science, University of Delhi, South Campus, Delhi 110021, India

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      • Corresponding author: Email: arunp92@physics.du.ac.in
      • Received Date: 2015-09-06
      • Accepted Date: 2016-03-07
      • Published Date: 2016-07-25

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