反应等离子体沉积二氧化锡电子传输层及其在钙钛矿太阳电池中的应用

韩晓静; 杨静; 张佳莉; 刘冬雪; 石标; 王鹏阳; 赵颖; 张晓丹

doi:10.7498/aps.72.20230693

摘要

电子传输层对于钙钛矿太阳电池的光电转换效率和稳定性十分重要, 二氧化锡是高效钙钛矿太阳电池中常见的电子传输层, 具有良好的载流子提取和传输能力, 但是基于溶液法制备二氧化锡在空气中高温退火时表面产生大量缺陷, 降低薄膜的电学性能, 而且溶液法不利于大面积制备. 本文采用反应等离子体沉积法制备二氧化锡薄膜, 通过调控辉光时间和工作电流优化薄膜性能, 将其应用于小面积正式钙钛矿太阳电池中, 实现了21.24%的效率. 另外, 通过引入异辛酸亚锡和二氧化锡结合作为双电子传输层改善器件的迟滞, 电池开路电压从1.11 V提高到1.15 V, 效率从21.27%提升至22.15%, 迟滞因子从24.04%降低到3.69%. 本工作开发了新的制备方法和有效的优化策略来制备二氧化锡电子传输层, 推动了平面异质结钙钛矿太阳电池的发展, 为制备高效、稳定的钙钛矿太阳电池提供了新的研究思路和方法.

关键词:

Abstract

The electron transport layer is very important for the device efficiency and stability of perovskite solar cells. Tin dioxide is a common electron transport layer in high-efficiency solar cells and has good carrier extraction and transport capability. However, using the solution method to prepare tin dioxide, a large number of defects are generated on its surface during high-temperature annealing in air, which can degrade the electrical properties of the film, so the solution method is not conducive to preparing large-area film. In this paper, the reactive plasma deposition method is used to prepare tin dioxide thin film, and the performance of the thin film is optimized by adjusting the glow discharge time and working current. The film is applied to small-area N-I-P type perovskite solar cells, the efficiency reaching to 21.24%. The hysteresis of the device is improved by introducing stannous isooctanoate and tin dioxide as a double electron transport layer, the open circuit voltage of the solar cell increases from 1.11 to 1.15 V, the efficiency rises from 21.27% to 22.15%, and the hysteresis factor decreases from 24.04% to 3.69%. This work presents a new preparation method and effective optimization strategy to prepare tin dioxide electron transport layer, which will promote the development of planar heterojunction perovskite solar cells and provide a new research idea for preparing high-efficiency and stable perovskite solar cells.

Keywords:

作者及机构信息

1.
中国长江三峡集团有限公司, 科学技术研究院, 北京　100038

2.
南开大学, 光电子薄膜器件与技术研究所, 太阳能转换中心, 天津　300350

3.
天津市光电子薄膜器件与技术重点实验室, 天津　300350

4.
薄膜光电子技术教育部工程研究中心, 天津　300350

5.
化学科学与工程协同创新中心, 天津　300072

6.
南开大学, 可再生能源转换与储存中心, 天津　300072

通信作者: 刘冬雪, liu_dongxue@ctg.com.cn ; 石标, Biaos_xiaog@163.com ;

基金项目: 中国长江三峡集团有限公司科研项目(批准号: 202103571)、国家自然科学基金(批准号: 62274099)和国家自然科学基金联合基金重点项目(批准号: U21A2072)资助的课题.

Authors and contacts

1.
Institute of Science and Technology, China Three Gorges Corporation, Beijing 100038, China

2.
Solar Energy Conversion Center, Institute of Photoelectronic Thin Film Devices and Technology, Nankai University, Tianjin 300350, China

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

4.
Engineering Research Center of Thin Film Photoelectronic Technology of Ministry of Education, Tianjin 300350, China

5.
Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, China

6.
Renewable Energy Conversion and Storage Center, Nankai University, Tianjin 300072, China

Corresponding author: Liu Dong-Xue, liu_dongxue@ctg.com.cn ; Shi Biao, Biaos_xiaog@163.com ;

Funds: Project supported by the Scientific Research Project of China Three Gorges Corporation (Grant No. 202103571), the National Natural Science Foundation of China (Grant No. 62274099), and the Key Program of Joint Funds of the National Natural Science Foundation of China (Grant No. U21A2072).

文章全文 : translate this paragraph

参考文献

[1]	Kojima A, Teshima K, Shirai Y, Miyasaka T 2009 J. Am. Chem. Soc. 131 6050 Google Scholar
[2]	Jeong J, Kim M, Seo J, et al. 2021 Nature 592 381 Google Scholar
[3]	Jiang Q, Tong J, Xian Y, et al. 2022 Nature 611 278 Google Scholar
[4]	Best research-cell efficiencies https://www.nrel.gov/pv/cell-efficiency.html. [2023-6-1]
[5]	Roose B, Baena J P C, Gödel K C, Graetzel M, Hagfeldt A, Steiner U, Abate A 2016 Nano Energy 30 517 Google Scholar
[6]	Jiang Q, Zhang X W, You J B 2018 Small 14 1801154 Google Scholar
[7]	Min H, Lee D Y, Kim J, et al. 2021 Nature 598 444 Google Scholar
[8]	Park S Y, Zhu K 2022 Adv. Mater. 34 2110438 Google Scholar
[9]	Shi L, Lin H 2011 Langmuir 27 3977 Google Scholar
[10]	Xi J, Wu Z, Jiao B, et al. 2017 Adv. Mater. 29 1606964 Google Scholar
[11]	Yang D, Yang R, Wang K, Wu C, Zhu X, Feng J, Ren X, Fang G, Priya S, Liu S 2018 Nat. Commun. 9 3239 Google Scholar
[12]	Yang F, Liu J, Wang X, et al. 2019 ACS Appl. Mater. Interfaces 11 15680 Google Scholar
[13]	Wang F, Yang M, Zhang Y, Yang L, Fan L, Lv S, Liu X, Han D, Yang J 2019 Adv. Sci. 6 1801170 Google Scholar
[14]	Dong Q, Zhu C, Chen M, et al. 2021 Nat. Commun. 12 973 Google Scholar
[15]	Sun Y F, Liu S B, Meng F L, Liu J Y, Jin Z, Kong L T, Liu J H 2012 Sensors (Basel) 12 2610 Google Scholar
[16]	Kozhushner M A, Bodneva V L, Oleynik I I, Belysheva T V, Ikim M I, Trakhtenberg L I 2017 J. Phys. Chem. C 121 6940 Google Scholar
[17]	Ma J, Zheng X, Lei H, Ke W, Chen C, Chen Z, Yang G, Fang G 2017 Sol. RRL 1 1700118 Google Scholar
[18]	Guo Y, Yin X, Liu J, Chen W, Wen S, Que M, Xie H, Yang Y, Que W, Gao B 2019 Org. Electron. 65 207 Google Scholar
[19]	Bai G, Wu Z, Li J, Bu T, Li W, Li W, Huang F, Zhang Q, Cheng Y B, Zhong J 2019 Sol. Energy 183 306 Google Scholar
[20]	Zimmermann I, Provost M, Mejaouri S, Al Atem M, Blaizot A, Duchatelet A, Collin S, Rousset J 2022 ACS Appl. Mater. Interfaces 14 11636 Google Scholar
[21]	Porte Y, Maller R, Faber H, AlShareef H N, Anthopoulos T D, McLachlan M A 2016 J. Mater. Chem. C 4 758 Google Scholar
[22]	杜荣池, 王广才, 张晓丹, 张迎春, 赵颖 2017 真空与低温 23 136 Google Scholar Du R C, Wang G C, Zhang X D, Zhang Y C, Zhao Y 2017 Vacuum and Cryogenics 23 136 Google Scholar
[23]	Li F, Shen Z, Weng Y, Lou Q, Chen C, Shen L, Guo W, Li G 2020 Adv. Funct. Mater. 30 2004933 Google Scholar
[24]	Le Corre V M, Duijnstee E A, El Tambouli O, Ball J M, Snaith H J, Lim J, Koster L J A 2021 ACS Energy Lett. 6 1087 Google Scholar

施引文献

图 1 (a) 基于不同厚度RPD-SnO₂薄膜的钙钛矿太阳电池的最佳J-V曲线; (b) 基于厚度分别为12.43, 17.91和27.82 nm的RPD-SnO₂薄膜的钙钛矿太阳电池的EQE和积分电流曲线

Fig. 1. (a) Optimum J-V curves of perovskite solar cells based on RPD-SnO₂ films with different thicknesses; (b) EQE and integrated current density curves of perovskite solar cells based on RPD-SnO₂ films with thicknesses of 12.43, 17.91 and 27.82 nm.

下载: 全尺寸图片幻灯片

图 2 (a) 不同工作电流下制备的SnO₂薄膜的厚度和生长速率; (b) 不同工作电流下制备的SnO₂薄膜的光学透过率; (c) 不同工作电流下制备的SnO₂薄膜的吸收光谱, 插图为通过吸收光谱得到的Tauc图

Fig. 2. (a) Thickness and growth rate of SnO₂ films prepared under different working currents; (b) optical transmittance of SnO₂ thin films prepared under different working currents; (c) absorption spectra of SnO₂ thin films prepared under different working currents, the inset is the Tauc diagram obtained from the absorption spectra.

下载: 全尺寸图片幻灯片

图 3 (a) 不同工作电流下制备的SnO₂薄膜的电导率; 基于不同工作电流下制备的SnO₂作为衬底的钙钛矿的(b) PL光谱和(c) TRPL光谱

Fig. 3. (a) Conductivity of SnO₂ thin films prepared under different working currents; (b) PL and (c) TRPL spectra of perovskite based SnO₂ substrate prepared under different working currents.

下载: 全尺寸图片幻灯片

图 4 沉积在不同工作电流的SnO₂上的钙钛矿的AFM图　(a) 30 A; (b) 25 A; (c) 20 A

Fig. 4. AFM images of perovskite deposited on SnO₂ under different working currents (a) 30 A; (b) 25 A; (c) 20 A.

下载: 全尺寸图片幻灯片

图 5 (a) 基于不同工作电流下制备的SnO₂薄膜的器件最佳J-V曲线; (b) EQE和积分电流密度曲线; (c) 基于25 A-SnO₂的钙钛矿太阳电池的J-V曲线

Fig. 5. (a) Optimal J-V curves of devices based on SnO₂ thin films prepared under different working currents; (b) EQE and integrated current density curves; (c) J-V curves of perovskite solar cells based on 25 A-SnO₂.

下载: 全尺寸图片幻灯片

图 6 (a) RPD-SnO₂和RPD-SnO₂+CSCO的Tauc图; (b) RPD-SnO₂和RPD-SnO₂+CSCO的起始能量的UPS扫描以及截止能量边; (c) RPD-SnO₂和RPD-SnO₂+CSCO的能带结构示意图

Fig. 6. (a) UPS scans of onset energy and cutoff energy edges of RPD-SnO₂ and RPD-SnO₂+CSCO; (b) Tauc plots of RPD-SnO₂ and RPD-SnO₂+CSCO; (c) schematic diagram of energy band structures of RPD-SnO₂ and RPD-SnO₂+CSCO.

下载: 全尺寸图片幻灯片

图 7 (a) 不同ETLs制备的器件反向和正向扫描J-V曲线; (b) 对应器件的EQE和积分电流密度曲线; (c) 基于ITO/ETLs/FA_1–xMA_xPbI₃/PCBM/Au结构的纯电子器件的SCLC; (d) 从 15个器件获得的迟滞系数箱体图

Fig. 7. (a) Reverse and forward scan J-V curves of devices prepared by different ETLs; (b) EQE and integrated current density curves of corresponding devices; (c) SCLC of pure electrons devices based on ITO/ETLs/FA_1–xMA_xPbI₃/PCBM/Au structure; (d) hysteresis coefficient box plot obtained from 15 devices.

下载: 全尺寸图片幻灯片

图 8 基于RPD-SnO₂和RPD-SnO₂+CSCO作为电子传输层的钙钛矿太阳电池的稳态输出电流密度和对应的器件效率

Fig. 8. Steady-state output current density and corresponding device efficiency of perovskite solar cells based on RPD-SnO₂ and RPD-SnO₂ + CSCO as the electron transport layer.

下载: 全尺寸图片幻灯片

表 1 使用双指数函数拟合基于不同工作电流制备的SnO₂作为衬底的钙钛矿的TPRL曲线参数

Table 1. Parameters of TPRL curves of perovskite based SnO₂ substrate prepared under different working currents fitted by double exponential function.

Samples A₁ $ {\tau }_{1} $/ns A₂ $ {\tau }_{2} $/ns

RPD-30 A-SnO₂ 664.42 44.50 1249.27 172.17
RPD-25 A-SnO₂ 747.38 36.52 1120.05 198.19
RPD-20 A- SnO₂ 689.05 37.83 1193.30 164.57

下载: 导出CSV

表 2 基于不同ETLs的钙钛矿太阳电池的最佳器件性能参数

Table 2. Optimal device performance parameters for perovskite solar cells based on different ETLs.

Device J_SC/(mA·cm^–2) V_OC/mV FF/% PCE/% Integrated J_SC/(mA·cm^–2)

RPD-SnO₂ 23.36 1112 81.85 21.27 24.07
CSCO 23.21 1147 81.13 21.61 24.37
RPD-SnO₂+CSCO 23.91 1147 80.72 22.15 24.67

下载: 导出CSV

map

[1]	Kojima A, Teshima K, Shirai Y, Miyasaka T 2009 J. Am. Chem. Soc. 131 6050 Google Scholar
[2]	Jeong J, Kim M, Seo J, et al. 2021 Nature 592 381 Google Scholar
[3]	Jiang Q, Tong J, Xian Y, et al. 2022 Nature 611 278 Google Scholar
[4]	Best research-cell efficiencies https://www.nrel.gov/pv/cell-efficiency.html. [2023-6-1]
[5]	Roose B, Baena J P C, Gödel K C, Graetzel M, Hagfeldt A, Steiner U, Abate A 2016 Nano Energy 30 517 Google Scholar
[6]	Jiang Q, Zhang X W, You J B 2018 Small 14 1801154 Google Scholar
[7]	Min H, Lee D Y, Kim J, et al. 2021 Nature 598 444 Google Scholar
[8]	Park S Y, Zhu K 2022 Adv. Mater. 34 2110438 Google Scholar
[9]	Shi L, Lin H 2011 Langmuir 27 3977 Google Scholar
[10]	Xi J, Wu Z, Jiao B, et al. 2017 Adv. Mater. 29 1606964 Google Scholar
[11]	Yang D, Yang R, Wang K, Wu C, Zhu X, Feng J, Ren X, Fang G, Priya S, Liu S 2018 Nat. Commun. 9 3239 Google Scholar
[12]	Yang F, Liu J, Wang X, et al. 2019 ACS Appl. Mater. Interfaces 11 15680 Google Scholar
[13]	Wang F, Yang M, Zhang Y, Yang L, Fan L, Lv S, Liu X, Han D, Yang J 2019 Adv. Sci. 6 1801170 Google Scholar
[14]	Dong Q, Zhu C, Chen M, et al. 2021 Nat. Commun. 12 973 Google Scholar
[15]	Sun Y F, Liu S B, Meng F L, Liu J Y, Jin Z, Kong L T, Liu J H 2012 Sensors (Basel) 12 2610 Google Scholar
[16]	Kozhushner M A, Bodneva V L, Oleynik I I, Belysheva T V, Ikim M I, Trakhtenberg L I 2017 J. Phys. Chem. C 121 6940 Google Scholar
[17]	Ma J, Zheng X, Lei H, Ke W, Chen C, Chen Z, Yang G, Fang G 2017 Sol. RRL 1 1700118 Google Scholar
[18]	Guo Y, Yin X, Liu J, Chen W, Wen S, Que M, Xie H, Yang Y, Que W, Gao B 2019 Org. Electron. 65 207 Google Scholar
[19]	Bai G, Wu Z, Li J, Bu T, Li W, Li W, Huang F, Zhang Q, Cheng Y B, Zhong J 2019 Sol. Energy 183 306 Google Scholar
[20]	Zimmermann I, Provost M, Mejaouri S, Al Atem M, Blaizot A, Duchatelet A, Collin S, Rousset J 2022 ACS Appl. Mater. Interfaces 14 11636 Google Scholar
[21]	Porte Y, Maller R, Faber H, AlShareef H N, Anthopoulos T D, McLachlan M A 2016 J. Mater. Chem. C 4 758 Google Scholar
[22]	杜荣池, 王广才, 张晓丹, 张迎春, 赵颖 2017 真空与低温 23 136 Google Scholar Du R C, Wang G C, Zhang X D, Zhang Y C, Zhao Y 2017 Vacuum and Cryogenics 23 136 Google Scholar
[23]	Li F, Shen Z, Weng Y, Lou Q, Chen C, Shen L, Guo W, Li G 2020 Adv. Funct. Mater. 30 2004933 Google Scholar
[24]	Le Corre V M, Duijnstee E A, El Tambouli O, Ball J M, Snaith H J, Lim J, Koster L J A 2021 ACS Energy Lett. 6 1087 Google Scholar

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反应等离子体沉积二氧化锡电子传输层及其在钙钛矿太阳电池中的应用