Synthesis and characterization of SnO2/graphene transparent conducting films

K. Esparza; V. Marañón; C. Enríquez; H. Pérez; J. Castañeda; R. Rodríguez; R. Patakfalvi; E. Rosendo; R. Sato

doi:10.1117/12.2508030

1 March 2019 Synthesis and characterization of SnO₂/graphene transparent conducting films

K. Esparza, V. Marañón, C. Enríquez, H. Pérez, J. Castañeda, R. Rodríguez, R. Patakfalvi, E. Rosendo, R. Sato

Proceedings Volume 10919, Oxide-based Materials and Devices X; 109191J (2019) https://doi.org/10.1117/12.2508030
Event: SPIE OPTO, 2019, San Francisco, California, United States

Abstract

By incorporating low weight percentages of graphene in our precursor solution and using a technique derived from spray pyrolysis, we obtained a low cost TCO with excellent properties, characterized by AFM, UV-VIS and Hall Effect. The film roughness was calculated to be ~7.49-12.7 nm, while band gap was determined to be ~4.0-4.2 eV. The material’s optical transparency ranges from 84-86% and its resistivity was measured to be ~5.5-8.5 x10^-3 Ω cm. With these results, we suggest that the obtained material is a proper candidate for use in photovoltaic applications, such as Grätzel solar cells, which will be our main focus.

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Citation Download Citation

K. Esparza, V. Marañón, C. Enríquez, H. Pérez, J. Castañeda, R. Rodríguez, R. Patakfalvi, E. Rosendo, and R. Sato "Synthesis and characterization of SnO₂/graphene transparent conducting films", Proc. SPIE 10919, Oxide-based Materials and Devices X, 109191J (1 March 2019); https://doi.org/10.1117/12.2508030

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