Influence of defect states on the performances of planar tin halide perovskite solar cells

Shihua Huang; Zhe Rui; Dan Chi; Daxin Bao

doi:10.1088/1674-4926/40/3/032201

Journals >Journal of Semiconductors >Volume 40 >Issue 3 >Page 032201 > Article

Journal of Semiconductors
Vol. 40, Issue 3, 032201 (2019)

Influence of defect states on the performances of planar tin halide perovskite solar cells

Shihua Huang¹, Zhe Rui¹, Dan Chi¹, and Daxin Bao²

Author Affiliations

¹Provincial Key Laboratory of Solid State Optoelectronic Devices, Zhejiang Normal University, Jinhua 321004, China

²Hengdian Group DMEGC Magnetics Co., Ltd, Dongyang 322118, China

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DOI: 10.1088/1674-4926/40/3/032201 Cite this Article

Shihua Huang, Zhe Rui, Dan Chi, Daxin Bao. Influence of defect states on the performances of planar tin halide perovskite solar cells[J]. Journal of Semiconductors, 2019, 40(3): 032201 Copy Citation Text

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(Color online) Solar cell parameters of PSC with (or without) IDL as a function of defect density Nt in MASnI3 thin film.

Fig. 1. (Color online) Solar cell parameters of PSC with (or without) IDL as a function of defect density N_t in MASnI₃ thin film.

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Fig. 2. (Color online) Efficiency of PSC with neutral interface defects as a function of interface defect density.

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Fig. 3. (Color online) Efficiency of PSC with donor (or acceptor) interface defects as a function of interface defect density.

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Fig. 4. Distributions of total recombination and energy band in the cell thickness direction for varying interface defect density.

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Parameter	TCO	TiO₂ (ETL)	IDL-ETL	MASnI₃ (absorber)	IDL-HTL	Spiro-OMeTAD (HTL)
Thickness (nm)	500	200	10	600	10	200
E_g (eV)	3.50	3.20	1.30	1.30	1.30	3.17
χ (eV)	4.00	4.26	4.17	4.17	4.17	2.05
ε_r	9.0	9.0	8.2	8.2	8.2	3.0
μ_n/μ_p (cm²/(V·s))	20/10	20/10	2.0/2.0	2.0/2.0	2.0/2.0	2/2 × 10⁻⁴
N_D (cm⁻³)	2 × 10¹⁹	1 × 10¹⁶	–	–	–	–
N_A (cm⁻³)	–	–	1 × 10¹⁵	1 × 10¹⁵	1 × 10¹⁵	2 × 10¹⁸
N_t (cm⁻³)	1 × 10¹⁵	1 × 10¹⁵	1 × 10^15–21	1 × 10^11–19	1 × 10^15–21	1 × 10¹⁵
N_it (cm⁻²)	–	–	1 × 10^9–15	–	1 × 10^9–15	–

Table 1. Simulation parameters of Sn-based PSC.

Shihua Huang, Zhe Rui, Dan Chi, Daxin Bao. Influence of defect states on the performances of planar tin halide perovskite solar cells[J]. Journal of Semiconductors, 2019, 40(3): 032201

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