Effect of the calcination temperature of the FTO/PbS cathode on the performance of a quantum dot-sensitized solar cell

Ha Thanh Tung; Ho Kim Dan; Dang Huu Phuc; Ha Thanh Tung; Ho Kim Dan; Dang Huu Phuc

doi:10.3934/matersci.2023023

AIMS Materials Science

2023, Volume 10, Issue 3: 426-436. doi: 10.3934/matersci.2023023

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Research article Topical Sections

Effect of the calcination temperature of the FTO/PbS cathode on the performance of a quantum dot-sensitized solar cell

1.
Faculty of Basic Sciences, Vinh Long University of Technology Education, Vinh Long city, Vietnam
2.
Optical Materials Research Group, Science and Technology Advanced Institute, Van Lang University, Ho Chi Minh City, Vietnam
3.
Faculty of Applied Technology, School of Technology, Van Lang University, Ho Chi Minh City, Vietnam
4.
Faculty of Fundamental Science, Industrial University of Ho Chi Minh City, No. 12 Nguyen Van Bao, Ward 4, Go Vap District, Ho Chi Minh City, 700000, Vietnam

Received: 25 November 2022 Revised: 24 March 2023 Accepted: 10 April 2023 Published: 08 May 2023

As a cheaper alternative to the industrial Pt electrode used in quantum-sensitized solar cells, the electrophoresis process is employed to create the low-cost FTO/PbS cathode. For structural cubic and sizes ranging from 40 nm to 200 nm, structure and morphology were investigated using high-resolution scanning electron microscopy and X-ray diffraction. The conversion efficiency of solar cells is significantly impacted by the calcination temperatures of cathodes at 100 ℃, 150 ℃, 200 ℃, and 300 ℃ under vacuum. The FTO/PbS cathode electrode was therefore calcined at 150 ℃ with a maximum efficiency of 3.938%. This happens as a result of the complete fusion of PbS nanoparticles with crystal at 150 ℃, which reduces resistance and increases electron lifetime compared to other temperature combinations.
- cathode,
- PbS film,
- electrochemistry properties
Citation: Ha Thanh Tung, Ho Kim Dan, Dang Huu Phuc. Effect of the calcination temperature of the FTO/PbS cathode on the performance of a quantum dot-sensitized solar cell[J]. AIMS Materials Science, 2023, 10(3): 426-436. doi: 10.3934/matersci.2023023

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Abstract

As a cheaper alternative to the industrial Pt electrode used in quantum-sensitized solar cells, the electrophoresis process is employed to create the low-cost FTO/PbS cathode. For structural cubic and sizes ranging from 40 nm to 200 nm, structure and morphology were investigated using high-resolution scanning electron microscopy and X-ray diffraction. The conversion efficiency of solar cells is significantly impacted by the calcination temperatures of cathodes at 100 ℃, 150 ℃, 200 ℃, and 300 ℃ under vacuum. The FTO/PbS cathode electrode was therefore calcined at 150 ℃ with a maximum efficiency of 3.938%. This happens as a result of the complete fusion of PbS nanoparticles with crystal at 150 ℃, which reduces resistance and increases electron lifetime compared to other temperature combinations.

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