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DEPENDENCE OF ORGANIC/INORGANIC PHOTOVOLTAIC DEVICE PERFORMANCE ON PRECURSOR'S CONCENTRATION USED FOR ELECTROSPUN TiO₂ NANOFIBERS

MUHAMMAD TANVEER

School of Chemical and Materials Engineering, National University of Sciences and Technology, Islamabad 44000, Pakistan

Department of Materials Science and Engineering, Gwangju Institute of Sciences and Technology, Gwangju 500712, Korea

Corresponding author.

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AMIR HABIB

School of Chemical and Materials Engineering, National University of Sciences and Technology, Islamabad 44000, Pakistan

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, and

MUHAMMAD BILAL KHAN

Centre for Energy Systems, National University of Sciences and Technology, Islamabad 44000, Pakistan

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https://doi.org/10.1142/S1793292013500331Cited by:2 (Source: Crossref)

Abstract

Electrospun TiO₂ nanofibers were synthesized by optimizing various electrospinning conditions. The effect of the precursor's concentration present in sol used for electrospinning was studied for the performance of hybrid photovoltaic devices. The synthesized nanofibers were characterized by XRD and UV-Vis absorption spectroscopy and morphology of the fibers were investigated by FE-SEM. The surface of fibers was modified, and these modified fibers were applied to P3HT/TiO₂/ N719 composite nanofibers photovoltaic devices. The device performance was investigated by analysis of the incident photon to current conversion efficiency and a J–V characteristic under 1. 5G illuminations, which show that efficiency of the devices, can be improved from 0.13% to 0.83% by introducing TiO₂ nanofibers synthesized by optimum precursor's concentration.

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