Lattice-tailored low-temperature processed electron transporting materials boost the open-circuit voltage of planar CsPbBr3 perovskite solar cells up to 1.654 V

2020 ◽  
Vol 8 (23) ◽  
pp. 11859-11866 ◽  
Author(s):  
Yafeng Xu ◽  
Jialong Duan ◽  
Xiya Yang ◽  
Jian Du ◽  
Yudi Wang ◽  
...  
Keyword(s):  
Solar Cells ◽  
Low Temperature ◽  
High Efficiency ◽  
Open Circuit Voltage ◽  
Perovskite Solar Cells ◽  
Open Circuit ◽  
Solar Irradiation ◽  
Electron Transporting Layer ◽  
Charge Extraction

The electron-transporting layer (ETL) plays a non-negligible role in determining the charge extraction and transfer behaviors from perovskite films under solar irradiation for high efficiency perovskite solar cells.

Charge extraction limits open-circuit voltage in inverted planar perovskite solar cells

2018 ◽  
Author(s):  
Tian Du ◽  
Weidong Xu ◽  
Jinhyun Kim ◽  
Matyas Daboczi ◽  
Ji-seon Kim ◽  
...  
Keyword(s):  
Solar Cells ◽  
Open Circuit Voltage ◽  
Perovskite Solar Cells ◽  
Open Circuit ◽  
Charge Extraction

Interfacial engineering enables high efficiency with a high open-circuit voltage above 1.23 V in 2D perovskite solar cells

2018 ◽  
Vol 6 (37) ◽  
pp. 18010-18017 ◽  
Author(s):  
Jiehuan Chen ◽  
Xiaomei Lian ◽  
Yingzhu Zhang ◽  
Weitao Yang ◽  
Jun Li ◽  
...  
Keyword(s):  
Solar Cells ◽  
High Efficiency ◽  
Open Circuit Voltage ◽  
Perovskite Solar Cells ◽  
Open Circuit ◽  
Interface Engineering ◽  
Interfacial Engineering

High efficiency (12.07%) 2D perovskite solar cells with a high open-circuit voltage above 1.23 V are realized via interface engineering.

Reveal the large open-circuit voltage deficit of all-inorganic CsPbIBr2 perovskite solar cells

2021 ◽  
Author(s):  
Ying Hu ◽  
Jiaping Wang ◽  
Peng Zhao ◽  
Zhenhua Lin ◽  
Siyu Zhang ◽  
...  
Keyword(s):  
Solar Cells ◽  
High Efficiency ◽  
Open Circuit Voltage ◽  
Perovskite Solar Cells ◽  
Open Circuit ◽  
Transport Layer ◽  
Electron Transport Layer ◽  
Perovskite Layer ◽  
Excellent Thermal Stability ◽  
Voltage Loss

Abstract Due to excellent thermal stability and optoelectronic properties, all-inorganic perovskite is one of the promising candidates to solve the thermal decomposition problem of conventional organic-inorganic hybrid perovskite solar cells (PSCs), but the larger voltage loss (V loss) cannot be ignored, especially CsPbIBr2, which limits the improvement of efficiency. To reduce the V loss, one promising solution is the modification of the energy level alignment between perovskite layer and adjacent charge transport layer (CTL), which can facilitate charge extraction and reduce carrier recombination rate at perovskite/CTL interface. Therefore, the key issues of minimum V loss and high efficiency of CsPbIBr2-based PSCs were studied in terms of the perovskite layer thickness, the effects of band offset of CTL/perovskite layer, the doping concentration of the CTL, and the electrode work function in this study based on device simulations. The open-circuit voltage (V oc) is increased from 1.37 V to 1.52 V by replacing SnO2 with ZnO as electron transport layer (ETL) due to more matching conduction band with CsPbIBr2 layer.

Cost effective perovskite solar cells with a high efficiency and open-circuit voltage based on a perovskite-friendly carbon electrode

2018 ◽  
Vol 6 (18) ◽  
pp. 8271-8279 ◽  
Author(s):  
Qian-Qian Chu ◽  
Bin Ding ◽  
Qi Qiu ◽  
Yan Liu ◽  
Cheng-Xin Li ◽  
...  
Keyword(s):  
Solar Cells ◽  
High Efficiency ◽  
Open Circuit Voltage ◽  
Perovskite Solar Cells ◽  
Cost Effective ◽  
Open Circuit ◽  
Carbon Electrode ◽  
Carbon Paste

The dissolution of perovskite films with perovskite-friendly carbon paste was avoided, resulting in high efficiency of perovskite solar cells.

An intermeshing electron transporting layer for efficient and stable CsPbI2Br perovskite solar cells with open circuit voltage over 1.3 V

2020 ◽  
Vol 8 (29) ◽  
pp. 14555-14565 ◽  
Author(s):  
Shuo Liu ◽  
Weijie Chen ◽  
Yunxiu Shen ◽  
Shuhui Wang ◽  
Moyao Zhang ◽  
...  
Keyword(s):  
Solar Cells ◽  
Open Circuit Voltage ◽  
Perovskite Solar Cells ◽  
Open Circuit ◽  
Electron Transporting Layer

An intermeshing SnO2 ETL is designed and introduced into CsPbI2Br-based inorganic pero-SCs, leading to improved PCE accompanied by reduced Eloss.

High efficiency quasi 2D lead bromide perovskite solar cells using various barrier molecules

2017 ◽  
Vol 1 (9) ◽  
pp. 1935-1943 ◽  
Author(s):  
Bat-El Cohen ◽  
Malgorzata Wierzbowska ◽  
Lioz Etgar
Keyword(s):  
Solar Cells ◽  
Power Conversion Efficiency ◽  
Conversion Efficiency ◽  
High Efficiency ◽  
Open Circuit Voltage ◽  
Power Conversion ◽  
Perovskite Solar Cells ◽  
Open Circuit ◽  
Lead Bromide

A power conversion efficiency of 9.5% and an open circuit voltage of more than 1.4 V were achieved for bromide-based quasi 2D perovskite solar cells.

scholarly journals Ultra-high open-circuit voltage of tin perovskite solar cells via an electron transporting layer design

2020 ◽  
Vol 11 (1) ◽  
Author(s):  
Xianyuan Jiang ◽  
Fei Wang ◽  
Qi Wei ◽  
Hansheng Li ◽  
Yuequn Shang ◽  
...  
Keyword(s):  
Solar Cells ◽  
Open Circuit Voltage ◽  
Perovskite Solar Cells ◽  
Open Circuit ◽  
Electron Transporting Layer

Reducing recombination and enhancing open circuit voltage by Strontium-alloying in multiple cation perovskite solar cells

2017 ◽  
Author(s):  
Pietro Caprioglio ◽  
Fengshuo Zu ◽  
Christian M. Wolff ◽  
Martin Stolterfhot ◽  
Norbert Koch ◽  
...  
Keyword(s):  
Solar Cells ◽  
Open Circuit Voltage ◽  
Perovskite Solar Cells ◽  
Open Circuit
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