scholarly journals Alkali Chloride Doped SnO2 Electron-Transporting Layer for Boosting Charge Transfer and Passivating Defects in All-Inorganic CsPbBr3 Perovskite Solar Cells

Author(s):  
Guixiang Xie ◽  
Xiaochun Lu ◽  
Jialong Duan ◽  
Yan Dong ◽  
Xiurong Jiang ◽  
...  

The electron-transporting layer (ETL) with improved charge extraction-transfer kinetics and the perovskite film with improved quality highly determine the power conversion efficiency (PCE) of perovskite solar cells (PSCs). Herein, various...

2017 ◽  
Vol 10 (12) ◽  
pp. 2570-2578 ◽  
Author(s):  
Shizhong Yue ◽  
Kong Liu ◽  
Rui Xu ◽  
Meicheng Li ◽  
Muhammad Azam ◽  
...  

A systematic strategy for effectively engineering the charge extraction in inverted structured perovskite solar cells based on CH3NH3PbI3−xClxis provided. An optimized power conversion efficiency of 20.5% is realized.


Coatings ◽  
2021 ◽  
Vol 11 (9) ◽  
pp. 1020
Author(s):  
Kritsada Hongsith ◽  
Vasan Yarangsi ◽  
Sukrit Sucharitakul ◽  
Surachet Phadungdhitidhada ◽  
Athipong Ngamjarurojana ◽  
...  

In this work, a multi-electron transporting layer (ETL) for efficient perovskite solar cells is investigated. The multi-ETL consists of five conditions including SnO2, SnO2/SnOx, TiO2, TiO2/SnO2, and TiO2/SnO2/SnOx. The best performance of PSC devices is found in the SnO2/SnOx double-layer and exhibits a power conversion efficiency equal to 18.39% higher than the device with a TiO2 single-layer of 14.57%. This enhancement in efficiency can be attributed to a decrease in charge transport resistance (Rct) and an increase in charge recombination resistance (Rrec). In addition, Rct and Rrec can be used to explain the comparable power conversion efficiency (PCE) between a PSC with a SnO2/SnOx double-layer and a PSC with a triple-layer, which is due to the compensation effect of Rct and Rrec parameters. Therefore, Rct and Rrec are good parameters to explain the efficiency enhancement in PSC. Thus, the Rct and Rrec from the electrochemical impedance spectroscopy (EIS) technique is an easy and alternative way to obtain information to understand and characterize the multi-ETL on PSC.


Author(s):  
Pengfei Wu ◽  
Shirong Wang ◽  
Xianggao Li ◽  
Fei Zhang

Perovskite solar cells (PSCs) have recently demonstrated a rapid power conversion efficiency of above 25%. In terms of physical properties, SnO2 is similar to TiO2, but with stronger charge extraction...


2019 ◽  
Vol 55 (17) ◽  
pp. 2433-2436 ◽  
Author(s):  
Seonghwa Jeong ◽  
Seongrok Seo ◽  
Hyoungmin Park ◽  
Hyunjung Shin

High-efficiency planar type perovskite solar cells were fabricated by atomic layer deposition (ALD) of SnO2 and subsequent annealing at 180 °C.


Nanoscale ◽  
2019 ◽  
Vol 11 (45) ◽  
pp. 21824-21833 ◽  
Author(s):  
Jyoti V. Patil ◽  
Sawanta S. Mali ◽  
Chang Kook Hong

Controlling the grain size of the organic–inorganic perovskite thin films using thiourea additives now crossing 2 μm size with >20% power conversion efficiency.


2021 ◽  
Author(s):  
Stav Rahmany ◽  
Lioz Etgar

Much effort has been made to push the power conversion efficiency of perovskite solar cells (PSCs) towards the theoretical limit. Recent studies have shown that post deposition treatment of barrier...


2019 ◽  
Vol 7 (10) ◽  
pp. 5635-5642 ◽  
Author(s):  
Lin Yang ◽  
Yohan Dall'Agnese ◽  
Kanit Hantanasirisakul ◽  
Christopher E. Shuck ◽  
Kathleen Maleski ◽  
...  

Addition of the Ti3C2 into SnO2 enhanced the power conversion efficiency due to the good conductivity of Ti3C2 nanosheets.


Author(s):  
Wenbin Guo ◽  
Guanhua Ren ◽  
Wenbin Han ◽  
Yanyu Deng ◽  
Wei Wu ◽  
...  

Organic-inorganic hybrid perovskite solar cells (PSCs) have made unprecedented progress in the past ten years, the power conversion efficiency of which increased from 3.8% in 2009 to 25.5% in 2019....


Sign in / Sign up

Export Citation Format

Share Document