Carrier Transport in CH3NH3PbI3Films with Different Thickness for Perovskite Solar Cells

2016 ◽  
Vol 3 (17) ◽  
pp. 1600327 ◽  
Author(s):  
Bo Zhang ◽  
Ming-Jia Zhang ◽  
Shu-Ping Pang ◽  
Chang-Shui Huang ◽  
Zhong-Min Zhou ◽  
...  
2020 ◽  
Vol 3 (8) ◽  
pp. 7572-7579
Author(s):  
Jinhyun Kim ◽  
Younghyun Lee ◽  
Bumjin Gil ◽  
Alan Jiwan Yun ◽  
Jaewon Kim ◽  
...  

2018 ◽  
Vol 29 (6) ◽  
pp. 065401 ◽  
Author(s):  
Ke Xiao ◽  
Can Cui ◽  
Peng Wang ◽  
Ping Lin ◽  
Yaping Qiang ◽  
...  

2016 ◽  
Vol 38 ◽  
pp. 362-369 ◽  
Author(s):  
Yann-Cherng Chern ◽  
Yen-Chu Chen ◽  
Hung-Ruei Wu ◽  
Hsiao-Wen Zan ◽  
Hsin-Fei Meng ◽  
...  

2021 ◽  
Author(s):  
Bo-Rong Jheng ◽  
Pei-Ting Chiu ◽  
Sheng-Hsiung Yang ◽  
Yung-Liang Tong

Abstract Inorganic metal oxides with the merits of high carrier transport capability, low cost and superior chemical stability have largely served as the hole transport layer (HTL) in perovskite solar cells (PSCs) in recent years. Among them, ternary metal oxides gradually attract attention because of the wide tenability of the two inequivalent cations in the lattice sites that offer interesting physicochemical perperties. In this work, ZnCo2O4 nanoparticles (NPs) were prepared by a chemical precipitation method and served as the HTL in inverted PSCs. The device based on the ZnCo2O4 NPs HTL showed better efficiency of 12.31% and negligible hysteresis compared with the one using PEDOT:PSS film as the HTL. Moreover, the device sustained 85% of its initial efficiency after 240 hours storage under a halogen lamps matrix exposure with an illumination intensity of 1000 W/m2, providing a powerful strategy to design long-term stable PSCs for future production.


2022 ◽  
Vol 8 (1) ◽  
Author(s):  
Bin Ai ◽  
Ziwei Fan ◽  
Zi Jing Wong

AbstractThe field of plasmonics explores the interaction between light and metallic micro/nanostructures and films. The collective oscillation of free electrons on metallic surfaces enables subwavelength optical confinement and enhanced light–matter interactions. In optoelectronics, perovskite materials are particularly attractive due to their excellent absorption, emission, and carrier transport properties, which lead to the improved performance of solar cells, light-emitting diodes (LEDs), lasers, photodetectors, and sensors. When perovskite materials are coupled with plasmonic structures, the device performance significantly improves owing to strong near-field and far-field optical enhancements, as well as the plasmoelectric effect. Here, we review recent theoretical and experimental works on plasmonic perovskite solar cells, light emitters, and sensors. The underlying physical mechanisms, design routes, device performances, and optimization strategies are summarized. This review also lays out challenges and future directions for the plasmonic perovskite research field toward next-generation optoelectronic technologies.


Author(s):  
Ming-Chung Wu ◽  
Ruei-Yu Kuo ◽  
Yin-Hsuan Chang ◽  
Shih-Hsuan Chen ◽  
Ching-Mei Ho​ ◽  
...  

Abstract Objectives Toxic lead and poor stability are the main obstacles of perovskite solar cells. Lead-free silver bismuth iodide (SBI) was first attempted as solar cells photovoltaic materials in 2016. However, the short-circuit current of the SBI rudorffite materials is commonly below 10 mA/cm2, limiting the overall photovoltaic performance. Here, we present a chemical composition engineering to enhance the photovoltaic performance. Methods In this study, we incorporated a series of alkali metal cations (Li+, Na+, K+, Rb+, and Cs+) into Ag3BiI6 absorbers to investigate the effects on the photovoltaic performance of rudorffite solar cells. Results Cs+ doping improved VOC and Na+ doping showed an obvious enhancement in JSC. Therefore, we co-doped Na+ and Cs+ into SBI (Na/Cs-SBI) as the absorber and investigated the crystal structure, surface morphology, and optical properties. The photo-assisted Kelvin probe force microscopy (photo-KPFM) was used to measure surface potential and verified that Na/Cs doping could reduce the electron trapping at the grain boundary and facilitate electron transportation. Conclusion Na/Cs-SBI reduced the electron-holes pairs recombination and promoted the carrier transport of rudorffite solar cells. Finally, the Na/Cs-SBI rudorffite solar cell exhibited a PCE of 2.50%, a 46.0% increase to the SBI device (PCE = 1.71%), and was stable in ambient conditions for over 6 months.


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