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Vol. 210, Issue 3, March 2017, pp. 9-16




Development of Perovskite Sensitized Thin Film Solar Cells Based on Graphene Oxide/TiO2 Photoanodes

1 Momina KHANNAM, 1 Shyamalima SHARMA, 2 Ranoo BHARGAV, 2 Asit PATRA and 1, * Swapan Kumar DOLUI

1 Department of Chemical Sciences, Tezpur University, Napaam, Tezpur, Dist. Sonitpur, Assam-784028, India
2 Physics of Energy Harvesting Division, CSIR-National Physical Laboratory, Dr. K. S. Krishnan Road, Pusa, New Delhi-110 012, India
* Tel.: 9957198489

* E-mail: dolui@tezu.ernet.in


Received: 9 January 2017 /Accepted: 3 March 2017 /Published: 31 March 2017

Digital Sensors and Sensor Sysstems


Abstract: Graphene oxide/TiO2(GO/TiO2) nanocomposites with different concentrations of GO were prepared by a self-assemble method. The synthesized GO/TiO2 nanocomposites are characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), and transmission electron microscopic (TEM) analysis. Using these GO/TiO2 nanocomposites as an electron collection layer a series of solid state perovskite sensitized solar cells were fabricated. The photovoltaic properties like short circuit current density and photo conversion efficiency of the fabricated device were evaluated. It was noticed that the nanocomposites has significant effects on the photovoltaic properties of the device. With increase in the amount of GO in the nanocomposites the short circuit current density of the devices increased from 1.79 to 4.65 mAcm-2 and the photo conversion efficiency increased from 0.413 to 1.34 %.


Keywords: Nanocomposites, Perovskite, Solar cells, Graphene oxide, PCE.


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