Impact of Zn/Sn ion dual incorporation on the functional properties of electrospun PVP nanofibers for photovoltaic sensors

Y. O. Naif ,I. M. Ibrahim

doi:10.67229/JOR16564

Y. O. Naif

I. M. Ibrahim

University of Baghdad, College of Science, Department of Physics, Baghdad, Iraq

Journal of Ovonic Research 2025, 21(4),387-398; https://doi.org/10.67229/JOR16564

Submitted：Mar 10, 2025

Accepted：Jul 01, 2025

Published：Aug 17, 2026

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Y. O. Naif ,I. M. Ibrahim . (2025). Journal of Ovonic Research. Impact of Zn/Sn ion dual incorporation on the functional properties of electrospun PVP nanofibers for photovoltaic sensors, 21(4), ,387-398. https://doi.org/10.67229/JOR16564

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Abstract

In this study, electrospun polyvinylpyrrolidone (PVP) nanofibers of varying Zn:Sn metal ion ratios were fabricated for optoelectronic applications. FESEM revealed reduced fiber diameter and connectivity when the Zn:Sn mixing ratio was increased. FTIR spectra exhibited characteristic PVP bands with slight shifts and intensity variations, along with the appearance of metal-oxygen bands. The thermal analysis indicates increasing the thermal stability with the added ions. Photovoltaic measurements showed that the Zn:Sn- mixed PVP fibres/n-type silicon exhibited a photovoltaic behavior, of 0.42% efficiency at a Zn:Sn ratio of 3:7. These results indicate the enhancement of co-ions-mixed PVP fibers for photovoltaic detectors.

Keywords

Electrospinning

Photodetector

PVP