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Special Issue:
SPECIAL TOPIC — New generation solar cells
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| SPECIAL TOPIC—New generation solar cells |
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Preparation of Se-based solar cell using spin-coating method in ambient condition |
| Menghua Zhu(朱孟花)1, Yaxin Deng(邓雅心)1, Weiwei Liu(刘伟伟)1, Xin Li(李欣)1,2 |
1 School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150090, China;
2 State Key Lab of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin 150090, China |
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Abstract A new hybrid organic-inorganic structure of FTO/TiO2/Se/HTL/Au based selenium solar cell has been fabricated through a low-cost spin-coating process in air. In this process, selenium is completely dissolved in hydrazine, to form a homogeneous precursor solution. After spin-coating the precursor solution on the TiO2 substrates, following by sintering at 200℃ for 5min, a uniform selenium film with crystalline grains is formed. The selenium based solar cell exhibits an efficiency of 1.23% under AM1.5 illumination (100 mW·cm-2), short-circuit current density of 8 mA·cm-2, open-circuit voltage of 0.55 V, and fill factor of 0.37. Moreover, the device shows a stable ability with almost the same performance after 60 days.
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Received: 20 September 2017
Revised: 09 November 2017
Accepted manuscript online:
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PACS:
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52.80.Pi
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(High-frequency and RF discharges)
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81.15.Cd
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(Deposition by sputtering)
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68.55.Jk
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| Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 51579057, 5177090655, and 51379052) and the State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, China (Grant No. 2016DX07). |
Corresponding Authors:
Xin Li
E-mail: lixin@hit.edu.cn
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Cite this article:
Menghua Zhu(朱孟花), Yaxin Deng(邓雅心), Weiwei Liu(刘伟伟), Xin Li(李欣) Preparation of Se-based solar cell using spin-coating method in ambient condition 2018 Chin. Phys. B 27 015202
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