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Sunday, February 10, 2019

#399 Graphene solar cells?

Recently, I came across a discussion regarding graphene solar cells. The term “graphene solar cell” implies the use of graphene as a material of which solar cell is constructed the same way inorganic (most notably silicon), organic semiconductors, or perovskite crystals are used (see earlier blogs). When used in this context, the term “graphene solar cells" seems to be somewhat misleading.


That is not to say there is no room for graphene in solar cells engineering. On the contrary, because of its distinct electrical, optical, and mechanical properties graphene is bound to play an important role in various solar cells, but rather as a part of the cell enabling its superior performance than the core material based on which cells are constructed. Whether in combination with other 2D materials (molybdenum disulfide MoS2 for instance), or with incorporation of graphene into the perovskite crystals, or with the use of graphene as a transparent, flexible contact material, there is no doubt graphene will serve various performance enhancing functions in solar cell technology. But should such cells be referred to as “graphene solar cells”? The term "graphene-based solar cells" seems to be better representing the concept of graphene use in solar cell engineering.

Posted by Jerzy Ruzyllo at 06:01 PM | Semiconductors | Link is the personal blog of Jerzy Ruzyllo. With over 35 years of experience in academic research and teaching in the area of semiconductor engineering (currently holding position of a Distinguished Professor of Electrical Engineering and Professor of Materials Science and Engineering at Penn State University), he has a unique perspective on the developments in this progress driving technical domain and enjoys blogging about it.

With over 2000 terms defined and explained, Semiconductor Glossary is the most complete reference in the field of semiconductors on the market today.

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