Thin Film Gum Arabic Doping byPotassium BromideSolar Cells

Authors

  • Safwa Abdalla Research ScholarPhysics Department, Faculty of science and technology Alneelain University, Khartoum Sudan
  • Abdelsakhi Suliman Research ScholarPhysics Department, Faculty of science and technology Alneelain University, Khartoum Sudan
  • Yousif Alsabah Research Physics Department, Faculty of Science HijjaUinversity, Hijja Yemen
  • Abdelrahman Elbadawi Professor Physics Department Faculty of Basic Studies and Continuing Learning Future University, Khartoum Sudan
  • Khalid Mohammed Haroun Professor, Radiobiological Science and Imaging Physics Al-Zaiem Al-Azhari University, Khartoum, Sudan

Keywords:

Gum Arabic, thin film, solar cell, photovoltaic property, optical energy band gap, potassium bromide.

Abstract

Three solar cell were made using Gum Arabic treated with potassium bromide with three types of dyes (Saffron dye, Henna dye and Blue 8GX dye) by using Spin Coating. Powder of gum Arabic and amount of potassium bromide was made by heated in temperature 100OC firstly, and using USB 2000 spectrometer device to calculated optical energy band gap of Gum Arabic before and after doping It was found to be 3.237 eV for Gum Arabic pour and 2.3771 eV after doping. The three [FTO/Gum Doping by potassium bromide / (Saffron, Henna and Blue 8GX) dyes /Florin Tin Oxide(FTO)+ graphite and Iodine]solar cells were produced and characterized, which provided efficiency (η) is (0.099–0.46 and 0.56) %. Fill factor (FF) is (0.80–0.76 and 0.65), current density (Jsc) is (4.91–4.13 and 7.45) mAcm-2 and Open – circuit voltage (Voc) is (0.25 -1.457 and 1.199) V. This could be used at larger scale in promoting efficiency of solar cells.

 

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Published

2020-08-31

Issue

Vol. 7 No. 2 (2020)

Section

Articles

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