• Vishnu Agrawal
• Kapil K Samar
• Dr. Sudhir Jain

The solar power is one of the cleanest sources of power that is present on the earth to fight with the present global warming problem due to ever increasing use of fossil fuel which are producing green house gases. A significant amount of research and development work on the solar photovoltaic technology has been done since the 1970s. Many innovative systems and products have been put forward and their quality evaluated by academics and professionals. The recent boom in the demand for photovoltaic modules has created a silicon supply shortage, providing an opportunity for thin-film and other low cost new photovoltaic modules. The most popular solar materials in use today are silicon and thin films made of CdTe (cadmium telluride) and CIGS (copper indium gallium selenide). Thin-films have the potential to revolutionise the present cost structure of photovoltaic by eliminating the use of the expensive silicon wafers that alone account for above 50% of total module manufacturing cost. This article gives a review of the trend of development of the cell technology, in particular the advancements in recent years and the future work required.

"4G Solar Photo-Voltaic Cells", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.5, Issue 9, page no.387-396, September-2018, Available :http://www.jetir.org/papers/JETIRB006071.pdf

"4G Solar Photo-Voltaic Cells", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.5, Issue 9, page no. pp387-396, September-2018, Available at : http://www.jetir.org/papers/JETIRB006071.pdf