Indian Journal of Chemical Technology

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Investigation of Bacterial Pigment from Serratia Nematodiphila as a Sensitizer for a Nanostructured Solar Cell


Affiliations
1 Department of Electronics and Communication Engineering, Assam Don Bosco University, Azara, Guwahati 781 017, India
2 Department of Electronics and Communication Engineering, Tezpur University, Tezpur 784 028, India
3 Department of Physics, Assam Don Bosco University, Sonapur 782 402, Assam, India
4 Department of Biosciences, Assam Don Bosco University, Sonapur 782 402, Assam, India
5 Centre of Excellence in Nanotechnology, Assam Downtown University, Guwahati 781 026, Assam, India
 

Dye sensitized solar cells have proven its potential as affordable, green method of turning solar energy into electrical energy. This article presents an extensive comparative study on dye sensitized solar cells with two types of transport layers made of ZnO nanorods and TiO2 mesoporous film, wherein bacterial pigment extracted from microorganism Serratia nematodiphila strain B2 is employed as a sensitizer. For performance enhancement via the plasmonic effect, Ag nanoparticles have been deposited onto conducting glass and used as counter electrode (CE). The efficiency and fill factor (averaged over 3 readings) are found to be approximately 2% and 43%, respectively, with TiO2 mesoporous film and 0.4% and 25%, respectively, with ZnO nanorod in the designed DSSCs. Experiments have been conducted with TiO2 film for ten weeks to evaluate the stability of the pigment. The findings suggest that bacterial pigments may possibly replace dyes, creating a new category of solar cells known as biopigment-sensitized solar cells.

Keywords

Bacterial Pigment, DSSC, Biopigment-Sensitized Solar Cells, Biopigment-Sensitized Solar Cells.
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  • Investigation of Bacterial Pigment from Serratia Nematodiphila as a Sensitizer for a Nanostructured Solar Cell

Abstract Views: 48  |  PDF Views: 25

Authors

Karen Das
Department of Electronics and Communication Engineering, Assam Don Bosco University, Azara, Guwahati 781 017, India
Priyanka Kakoty
Department of Electronics and Communication Engineering, Tezpur University, Tezpur 784 028, India
Akib Khan
Department of Physics, Assam Don Bosco University, Sonapur 782 402, Assam, India
Probin Phanjom
Department of Biosciences, Assam Don Bosco University, Sonapur 782 402, Assam, India
Monmita Das
Department of Biosciences, Assam Don Bosco University, Sonapur 782 402, Assam, India
Arup Khakhlari
Department of Biosciences, Assam Don Bosco University, Sonapur 782 402, Assam, India
Sunandan Baruah
Centre of Excellence in Nanotechnology, Assam Downtown University, Guwahati 781 026, Assam, India
Indrani Dakua
Department of Physics, Assam Don Bosco University, Sonapur 782 402, Assam, India

Abstract


Dye sensitized solar cells have proven its potential as affordable, green method of turning solar energy into electrical energy. This article presents an extensive comparative study on dye sensitized solar cells with two types of transport layers made of ZnO nanorods and TiO2 mesoporous film, wherein bacterial pigment extracted from microorganism Serratia nematodiphila strain B2 is employed as a sensitizer. For performance enhancement via the plasmonic effect, Ag nanoparticles have been deposited onto conducting glass and used as counter electrode (CE). The efficiency and fill factor (averaged over 3 readings) are found to be approximately 2% and 43%, respectively, with TiO2 mesoporous film and 0.4% and 25%, respectively, with ZnO nanorod in the designed DSSCs. Experiments have been conducted with TiO2 film for ten weeks to evaluate the stability of the pigment. The findings suggest that bacterial pigments may possibly replace dyes, creating a new category of solar cells known as biopigment-sensitized solar cells.

Keywords


Bacterial Pigment, DSSC, Biopigment-Sensitized Solar Cells, Biopigment-Sensitized Solar Cells.

References