Environmental Chemistry Letters

, Volume 16, Issue 2, pp 659–664 | Cite as

Flexible and high-efficiency Sb2S3/solid carrier solar cell at low light intensity

  • Vesna Lojpur
  • Jelena Krstić
  • Zorica Kačarević-Popović
  • Nenad Filipović
  • Ivana Lj. Validžić
Original Paper


Producing green and efficient energy sources is a major challenge. As a consequence, the use of photovoltaic devices for conversion of light into electricity is growing worldwide. A lot of effort had been invested to create high-efficient solar cells, but their durability, stability, flexibility and efficiency at low light intensities are still unexplored. Here, we built a flexible solar cell made of p-doped, amorphized a-undoped and n-doped Sb2S3 solid carrier loaded with electrolyte. Indium tin oxide glass was the working electrode, and aluminium was the counter electrode. Every (p–a–n) flexible Sb2S3/solid carrier layers were obtained using a cheap casting/solvent evaporation technique, from a blend consisted of chitosan, polyethylene glycol and electrolyte containing 0.5 M potassium iodide and 0.05 M iodine, and corresponding synthesized amorphized a-undoped and p and n-doped Sb2S3 semiconductor. Results show that flexible Sb2S3 solar cell possesses good stability and efficiency of about 10% at 5% sun. Overall, our findings demonstrate for the first time that flexible solar cell can be made and used for low light intensity applications.


Solar energy materials Sb2S3 Solar cell Low light intensity Optics/lens 



This work is supported by the Ministry of Education, Science and Technological Development of the Republic of Serbia (Project 45005).


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Copyright information

© Springer International Publishing AG, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Vinča Institute of Nuclear SciencesUniversity in BelgradeBelgradeSerbia
  2. 2.Institute of Technical Sciences of The SASABelgradeSerbia

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