Invertis Journals of Renewable Energy

S. K. Abdul Moyez ¹, Abhinanda Sengupta ¹, Asit Baran Biswas ¹, Subhasis Roy ¹, Argha Dey ¹, Bhaskar Chandra Das ¹

Affiliations
1 Department of Chemical Engineering, University of Calcutta, Kolkata-700009, IN

Abstract

In the recent years a new class of solar material based on solid state mixed organic-inorganic halides perovskites has become the rising stars of the photovoltaic world. In this case perovskites are structured compounds which act as a light harvesting active layer. There has been a meteoric rise in the photoelectric efficiency from 3.8% in 2009 to 22.1% by the end of 2016. This is also attractive because it is flexible, cheap to produce and simple to manufacture. In spite of holding such a promising position in the advancing solar technology's world, it has certain setbacks; one of the most important among them is the presence of harmful lead (Pb) in the perovskite material. In this report, attempt has been made to replace the amount of lead (Pb) in perovskite solar cell by tin (Sn) to give birth to ABX₃(A- CH₃NH₃; B- CUSn; X- Cl/I), a less hazardous and environmental friendly perovskite solar device for a greener world. For this purpose, lead (Pb) has been partially replaced with tin (Sn) through chemical deposition method. The detailed characteristics of the thin film were studied using Scanning Electron Microscope and Ultraviolet- Visible Spectroscopy and finally photoelectric efficiency of the solar cell was evaluated under 1.5 Sun illumination.

Keywords

Perovkites, Thin Films, Environmental Friendly Solar Cell, Photoelectric Efficiency.

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