甲胺(MA)基钙钛矿太阳电池光诱导缺陷机理及稳定性提高

doi:10.11896/cldb.18120208

Abstract
Figure/Table
References
Related Citation (15)

Download:

Full Text ( PDF ) (2929KB)

Suppl. Info.
Export: BibTeX | EndNote (RIS)

Abstract The research on organic-inorganic hybrid perovskite solar cells has advanced rapidly. However, it holds poor stability, and it is a great challenge to improve its stability in this research field. The main factors that influence the device stability include moisture, oxygen, light and heat. Generally, the effective encapsulation technology is capable of preventing the devices from contacting moisture and oxygen. In-depth exploration still should be carried out to achieve the light stability of the cells. Herein, we studied the effect of light on the stability of MAPbI₃ devices by means of electronic and optical characterization methods. According to the results of thermal admittance spectroscopy (TAS), capacitance-vol-tage (C-V) and X-ray photoelectron spectroscopy (XPS), we found increased deep level defect states induced by iodide vacancies and I_Pb antisite in aging perovskite films. These defect states can induce non-radiative recombination, which ultimately cause large energy loss and decrease in the open circuit voltage at low light intensity. In addition, we conducted comparative study of FA_0.85MA_0.15Pb (I_0.85Br_0.15)₃ devices and MAPbI₃ devices in light stability. The results of transient photovoltage (TPV) test indicated that the FA and Br ions could reduce the carriers recombination. This work provides a new understanding to improve the light stability of perovskite solar cells.

Key words： methylamine perovskite solar cell light stability open circuit voltage deep level defect

Published: 03 January 2020

CLC number:

TB34

About author:: Lei Wangobtained his bachelor’s degree at College of Engineering and Applied Sciences from Nanjing University in June 2016. From September 2016 to now, he has been learning at School of Materials Science and Engineering at Shanghai Jiao Tong University, and focused on degradation mechanism of perovskite and devices simulation;Xudong Yangobtained his Ph.D. degree from the Chinese Academy of Sciences in 2005. He worked as a postdoctoral fellow at the University of Cambridge, UK, and then at the National Institute for Materials Science, Japan. He joined Shanghai Jiao Tong University in 2014. He is currently a special researcher and focused mainly on the mechanisms of the photoelectron conversion and the realization of efficient stable optoelectronic devices.

	Service
	E-mail this article
	Add to my bookshelf
	Add to citation manager
	E-mail Alert
	RSS
	Articles by authors
	WANG Lei
	WU Tianhao
	CUI Danyu
	YANG Xudong

Cite this article:

WANG Lei,WU Tianhao,CUI Danyu, et al. Light-induced Defect Mechanism and Stability Enhancement for Methylamine (MA) Based Perovskite Solar Cells[J]. Materials Reports, 2020, 34(2): 2001-2004.

URL:

http://www.mater-rep.com/EN/10.11896/cldb.18120208 OR http://www.mater-rep.com/EN/Y2020/V34/I2/2001

Lee M, Teuscher J, Miyasaka T, et al. Science, 2012, 338(6107), 643.2 Xing G C, Mathews N, Sun S Y, et al. Science, 2013, 342(6156), 344.3 Stranks S D, Eperon G E, Grancini G, et al. Science, 2013, 342(6156), 341.4 Mcmeekin D P, Sadoughi G, Rehman W, et al. Science, 2016, 351(6269), 151.5 Chen H, Ye F, Tang W T, et al. Nature, 2017, 550(7674), 92.6 Luo D Y, Yang W Q, Wang Z P, et al. Science, 2018, 360(6396), 1442.7 Mei A Y, Li X, Liu L F, et al. Science, 2014, 345(6194), 295.8 Yang J L, Siempelkamp B D, Liu D Y, et al. ACS Nano, 2015, 9(2), 1955.9 Yun J S, Kim J, Young T, et al. Advanced Functional Materials, 2018, 28(11), 1705363.10 Aristidou N, Sanchez-molina I, Chotchuangchutchaval T, et al. Angewandte Chemie International Edition, 2015, 54(28), 8208.11 O′mahony F T F, Lee Y H, Jellett C, et al. Journal of Materials Chemistry A, 2015, 3(14), 7219.12 Sheikh A D, Bera A, Hague M A, et al. Solar Energy Materials and Solar Cells, 2015, 137, 6.13 Leijtens T, Eperon G E, Pathak S, et al. Nature Communications, 2013, 4, 2885.14 Bella F, Griffini G, Correa-baena J P, et al. Science, 2016, 354(6309), 203.15 Yuan Y B, Chae J, Shao Y C, et al. Advanced Energy Materials, 2015, 5(15), 1500615.16 Kim G Y, Senocrate A, Yang T Y. Nature Materials, 2018, 17(5), 445.17 Bi E B, Chen H, Xie F X, et al. Nature Communications, 2017, 8, 7.18 Bush K A, Palmstrom A F, Yu Z J, et al. Nature Energy, 2017, 2(4), 17009.19 Chen W, Wu Y Z, Yue Y F, et al. Science, 2015, 350(6263), 944.20 Leijtens T, Eperon G E, Noel N K, et al. Advanced Energy Materials, 2015, 5(20), 1500963.21 Wojciechowski K, Leijtens T, Spirova S, et al. Journal of Physical Chemistry Letters, 2015, 6(12), 2399.22 Do Kim H, Ohkita H, Benten H, et al. Advanced Materials, 2016, 28(5), 917.23 Tress W, Yavari M, Domanski K, et al. Energy Environmental Science, 2018, 11(1), 151.24 Cai M, Ishida N, Li X, et al. Joule, 2018, 2(2), 296.25 Duan H S, Zhou H P, Chen Q, et al. Physical Chemistry Chemical Phy-sics, 2015, 17(1), 112.26 Huang J S, Yuan Y B, Shao Y C, et al. Nature Review Materials, 2017, 2(7),17042.27 Li Y Z, Xu X R, Wang C, et al. Journal of Physical Chemistry C, 2017, 121(7), 3904.28 Tang X F, Brandl M, May B, et al. Journal of Materials Chemistry, 2016, 4(41), 15896.29 Leyden M R, Lee M V, Raga S R, et al. Journal of Materials Chemistry, 2015, 3(31), 16097.30 Frost J M, Butler K T, Brivio F, et al. Nano Letters, 2014, 14(5), 2584.31 Noh J H, Im S H, Heo J H, et al. Nano Letters, 2013, 13(4), 1764.