High efficiency electrospun TiO2 nanofiber based hybrid organic-inorganic perovskite solar cell

Sabba Dharani; Hemant Kumar Mulmudi; Natalia Yantara; Pham Thi Thu Trang; Nam Gyu Park; Michael Graetzel; Subodh Mhaisalkar; Nripan Mathews; Pablo P. Boix

doi:10.1039/c3nr04857h

High efficiency electrospun TiO₂ nanofiber based hybrid organic-inorganic perovskite solar cell

Sabba Dharani, Hemant Kumar Mulmudi, Natalia Yantara, Pham Thi Thu Trang, Nam Gyu Park, Michael Graetzel, Subodh Mhaisalkar, Nripan Mathews^*, Pablo P. Boix

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

184 Citations (Scopus)

Abstract

The good electrical and morphological characteristics of TiO₂ nanofibers and the high extinction coefficient of CH₃NH ₃PbI₃ perovskite are combined to obtain a solar cell with a power conversion efficiency of 9.8%. The increase of the film thickness dramatically diminishes the performance due to the reduction in porosity of the TiO₂ nanofiber framework. The optimum device (∼413 nm film thickness) is compared to a planar device, where the latter produces higher V_oc but lower J_sc, and consequently lower efficiency at all measured light intensities.

Original language	English
Pages (from-to)	1675-1679
Number of pages	5
Journal	Nanoscale
Volume	6
Issue number	3
DOIs	https://doi.org/10.1039/c3nr04857h
Publication status	Published - Feb 7 2014
Externally published	Yes

ASJC Scopus Subject Areas

General Materials Science

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abstract = "The good electrical and morphological characteristics of TiO2 nanofibers and the high extinction coefficient of CH3NH 3PbI3 perovskite are combined to obtain a solar cell with a power conversion efficiency of 9.8%. The increase of the film thickness dramatically diminishes the performance due to the reduction in porosity of the TiO2 nanofiber framework. The optimum device (∼413 nm film thickness) is compared to a planar device, where the latter produces higher Voc but lower Jsc, and consequently lower efficiency at all measured light intensities.",

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AU - Dharani, Sabba

AU - Mulmudi, Hemant Kumar

AU - Yantara, Natalia

AU - Thu Trang, Pham Thi

AU - Park, Nam Gyu

AU - Graetzel, Michael

AU - Mhaisalkar, Subodh

AU - Mathews, Nripan

AU - Boix, Pablo P.

PY - 2014/2/7

Y1 - 2014/2/7

N2 - The good electrical and morphological characteristics of TiO2 nanofibers and the high extinction coefficient of CH3NH 3PbI3 perovskite are combined to obtain a solar cell with a power conversion efficiency of 9.8%. The increase of the film thickness dramatically diminishes the performance due to the reduction in porosity of the TiO2 nanofiber framework. The optimum device (∼413 nm film thickness) is compared to a planar device, where the latter produces higher Voc but lower Jsc, and consequently lower efficiency at all measured light intensities.

AB - The good electrical and morphological characteristics of TiO2 nanofibers and the high extinction coefficient of CH3NH 3PbI3 perovskite are combined to obtain a solar cell with a power conversion efficiency of 9.8%. The increase of the film thickness dramatically diminishes the performance due to the reduction in porosity of the TiO2 nanofiber framework. The optimum device (∼413 nm film thickness) is compared to a planar device, where the latter produces higher Voc but lower Jsc, and consequently lower efficiency at all measured light intensities.

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High efficiency electrospun TiO₂ nanofiber based hybrid organic-inorganic perovskite solar cell

Abstract

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