Sardana, Sanjay K. and Parashar, Piyush K. and Chandrashekar, P. S. and Srivastava, Sanjay K. and Komarala, Vamsi K.
(2019)
Growth of Silver Nanoparticles on Titanium Dioxides Layer for Plasmonic-Based Solid-State Solar Cells.
Solid State Physics: Proceedings Of The 55th DAE Solid State Physics Symposium 2010, PTS A and B, 2115.
030626- 030629.
ISSN 0094-243X
Abstract
In this work, we presented a simple method for the growth of silver nanoparticles (Ag NPs) which forms spontaneously during the RF sputtering onto titanium dioxides (TiO2) layer, prepared by spray pyrolysis. The formation of Ag NPs is achieved due to the rough nature of the TiO2 layer. As, TiO2 is a wide band gap semiconductor material, which would only absorb the UV part of the solar spectrum. The photovoltaic activity of TiO2 based solid state photovoltaic system can be further improved using metallic nanostructures. The Ag NPs forms a Schottky barrier solar cell with the TiO2 layer. Upon illumination, hot electrons from Ag NPs gets injected into the TiO2 layer which leads to charge separation. Here, Ag NPs works as absorbing material in the visible region, are capable of increasing the absorption of TiO2 and hence the performance of plasmonic-based solid-state TiO2/Ag solar cells.
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