<trans-title xml:lang="en">Simulation and architectural design for Schottky structure perovskite solar cells</trans-title>

Xiao-Juan Liang; Yu Cao; Hong-Kun Cai; Jian Su; Jian Ni; Juan Li; Jian-Jun Zhang

doi:10.7498/aps.69.20191891

Acta Physica Sinica, Volume. 69, Issue 5, 057901-1(2020)

Simulation and architectural design for Schottky structure perovskite solar cells

Xiao-Juan Liang^1,3, Yu Cao², Hong-Kun Cai^1,3、*, Jian Su^1,3, Jian Ni^1,3, Juan Li^1,3, and Jian-Jun Zhang^1,3

Author Affiliations

¹College of Electronic Information and Optical Engineering, Nankai University, Tianjin 300350, China

²College of Electrical Engineering, Northeast Electric Power University, Jilin 132012, China

³Key Laboratory of Photoelectronic Thin Film Devices and Technology of Tianjin, Tianjin 300350, China

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Figures & Tables(15)

Fig. 1. Schematic and energy-level diagram of each functional layers of solar cells: (a), (b) planar heterojunction solar cell structure; (c), (d) schottky solar cell structure.

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Fig. 2. J-V characteristics of pin solar cell structure and Schottky solar cell structure.

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Fig. 3. Energy band diagram and schematic diagram of photogenerated electron and hole transport: (a) Pin solar cell structure; (b) Schottky solar cell structure.

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Fig. 4. Schottky solar cells with different front electrode: (a) Energy band structure; (b) carrier recombination rate distribution; (c) electric field distribution; (d) free electrons concentration distribution; (e) quantum efficiency; (f) J-V characteristic.

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Fig. 5. Schottky solar cells with different back electrode: (a) Energy band structure; (b) carrier recombination rate distribution; (c) electric field distribution; (d) free electrons concentration distribution; (e) quantum efficiency; (f) J-V characteristic.

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Fig. 6. Output trends under different acceptor doping concentration: (a) V_oc and J_sc; (b) FF and PCE.

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Fig. 7. Output trends under different donor doping concentration: (a) V_oc and J_sc; (b) FF and PCE.

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Fig. 8. Output trends under J-V characteristics of Schottky solar cells with and without defect states: (a)J-V characteristic; (b) quantum efficiency; (c) free electrons concentration distribution; (d) free holes concentration distribution.

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Fig. 9. Output trends under different thickness of absorbing layer: (a) V_oc and J_sc; (b) FF and PCE.

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Table 1.
Material parameters of the Schottky solar cells.
模型中使用的材料参数

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Table 1.
Material parameters of the Schottky solar cells.
模型中使用的材料参数

参数	SnO₂^[20,21]	Perovskite^[20,22]	Spiro-OMeTAD^[23-25]
介电常数	9	20	3
电子亲和势/eV	3.5	1.55	3
禁带宽度/eV	4.3	3.75	2.2
厚度/nm	50	500	250
电子/空穴迁移率/cm²·V^–1·s^–1	20/10	50/50	0.0002/0.0002
受主掺杂浓度/cm^–3	0	0	2×10¹⁸
施主掺杂浓度/cm^–3	1×10¹⁶	0	0
导带有效状态密度/cm^–3	2.2×10¹⁸	2.2×10¹⁸	2.2×10¹⁸
价带有效状态密度/cm^–3	1.8×10¹⁹	1.8×10¹⁹	1.8×10¹⁹

Table 2.
Photovoltaic performance parameters of the pin solar cell structure and Schottky solar cell structure.
平面异质结结构和肖特基钙钛矿太阳电池光伏性能参数
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Table 2.
Photovoltaic performance parameters of the pin solar cell structure and Schottky solar cell structure.
平面异质结结构和肖特基钙钛矿太阳电池光伏性能参数
结构 J_sc/mA·cm^–2 V_oc/V 填充因子FF/% 转换效率/%
平面异质结结构 24.38 1.09 74.99 20.01
肖特基结构 20.35 0.36 75.93 5.64

Table 3.
Work function of different front electrode materials^[27,28].
不同透明导电电极材料的功函数^[27,28]
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Table 3.
Work function of different front electrode materials^[27,28].
不同透明导电电极材料的功函数^[27,28]
材料功函数/eV
In₂O₃:F(FTO) 4.6^[28]
In₂O₃:Sn(ITO) 4.4^[28]
ITO/PEIE 4.0^[27]
FTO/PEIE 3.8^[28]

Table 4.
Photovoltaic performance parameters of Schottky solar cells with different front electrode work function.
透明导电电极功函数的不同肖特基钙钛矿太阳电池光伏性能参数
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Table 4.
Photovoltaic performance parameters of Schottky solar cells with different front electrode work function.
透明导电电极功函数的不同肖特基钙钛矿太阳电池光伏性能参数
功函数/eV J_sc/mA·cm^–2 V_oc/V FF/% 转换效率/%
3.8 24.43 0.87 84.00 17.93
4.0 24.38 0.78 83.22 15.86
4.4 24.21 0.38 73.44 6.80
4.6 24.05 0.18 57.00 2.50

Table 5.
Photovoltaic performances of Schottky solar cells with different back electrode work function.
对电极功函数不同肖特基钙钛矿太阳电池光伏性能
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Table 5.
Photovoltaic performances of Schottky solar cells with different back electrode work function.
对电极功函数不同肖特基钙钛矿太阳电池光伏性能
功函数/eV J_sc/mA·cm² V_oc/V FF/% 转换效率/%
4.3 23.48 0.14 51.64 1.73
4.9 24.50 0.74 79.62 14.38
5.0 24.60 0.82 80.98 16.35
5.1 24.68 0.90 80.51 17.39
5.3 24.79 0.95 78.17 18.58
5.5 24.76 0.96 78.19 18.75

Table 6.
Photovoltaic performance of Schottky solar cells with and without defect states.
有无缺陷的肖特基钙钛矿太阳电池的光电特性
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Table 6.
Photovoltaic performance of Schottky solar cells with and without defect states.
有无缺陷的肖特基钙钛矿太阳电池的光电特性
J_sc/mA·cm² V_oc/V FF/% 转换效率/%
有缺陷 20.76 0.94 81.97 16.06
无缺陷 24.38 0.9482 81.54 19.22

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Xiao-Juan Liang, Yu Cao, Hong-Kun Cai, Jian Su, Jian Ni, Juan Li, Jian-Jun Zhang. Simulation and architectural design for Schottky structure perovskite solar cells[J]. Acta Physica Sinica, 2020, 69(5): 057901-1

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Paper Information

Category:

Received: Dec. 15, 2019

Accepted: --

Published Online: Nov. 18, 2020

The Author Email:

DOI:10.7498/aps.69.20191891

Topics

Nuclear physics

Particles and fields

Particle and nuclear astrophysics and cosmology

Table 1. Material parameters of the Schottky solar cells.模型中使用的材料参数

Table 1. Material parameters of the Schottky solar cells.模型中使用的材料参数

Table 2. Photovoltaic performance parameters of the pin solar cell structure and Schottky solar cell structure.平面异质结结构和肖特基钙钛矿太阳电池光伏性能参数

Table 2. Photovoltaic performance parameters of the pin solar cell structure and Schottky solar cell structure.平面异质结结构和肖特基钙钛矿太阳电池光伏性能参数

Table 3. Work function of different front electrode materials[27,28]. 不同透明导电电极材料的功函数[27,28]

Table 3. Work function of different front electrode materials[27,28]. 不同透明导电电极材料的功函数[27,28]

Table 4. Photovoltaic performance parameters of Schottky solar cells with different front electrode work function.透明导电电极功函数的不同肖特基钙钛矿太阳电池光伏性能参数

Table 4. Photovoltaic performance parameters of Schottky solar cells with different front electrode work function.透明导电电极功函数的不同肖特基钙钛矿太阳电池光伏性能参数

Table 5. Photovoltaic performances of Schottky solar cells with different back electrode work function.对电极功函数不同肖特基钙钛矿太阳电池光伏性能

Table 5. Photovoltaic performances of Schottky solar cells with different back electrode work function.对电极功函数不同肖特基钙钛矿太阳电池光伏性能

Table 6. Photovoltaic performance of Schottky solar cells with and without defect states.有无缺陷的肖特基钙钛矿太阳电池的光电特性

Table 6. Photovoltaic performance of Schottky solar cells with and without defect states.有无缺陷的肖特基钙钛矿太阳电池的光电特性

Table 1.
Material parameters of the Schottky solar cells.
模型中使用的材料参数

Table 1.
Material parameters of the Schottky solar cells.
模型中使用的材料参数

Table 2.
Photovoltaic performance parameters of the pin solar cell structure and Schottky solar cell structure.
平面异质结结构和肖特基钙钛矿太阳电池光伏性能参数

Table 2.
Photovoltaic performance parameters of the pin solar cell structure and Schottky solar cell structure.
平面异质结结构和肖特基钙钛矿太阳电池光伏性能参数

Table 3.
Work function of different front electrode materials^[27,28].
不同透明导电电极材料的功函数^[27,28]

Table 3.
Work function of different front electrode materials^[27,28].
不同透明导电电极材料的功函数^[27,28]

Table 4.
Photovoltaic performance parameters of Schottky solar cells with different front electrode work function.
透明导电电极功函数的不同肖特基钙钛矿太阳电池光伏性能参数

Table 4.
Photovoltaic performance parameters of Schottky solar cells with different front electrode work function.
透明导电电极功函数的不同肖特基钙钛矿太阳电池光伏性能参数

Table 5.
Photovoltaic performances of Schottky solar cells with different back electrode work function.
对电极功函数不同肖特基钙钛矿太阳电池光伏性能

Table 5.
Photovoltaic performances of Schottky solar cells with different back electrode work function.
对电极功函数不同肖特基钙钛矿太阳电池光伏性能

Table 6.
Photovoltaic performance of Schottky solar cells with and without defect states.
有无缺陷的肖特基钙钛矿太阳电池的光电特性

Table 6.
Photovoltaic performance of Schottky solar cells with and without defect states.
有无缺陷的肖特基钙钛矿太阳电池的光电特性