ZnO/SnO2 Double Electron Transport Layer Guides Improved Open Circuit Voltage for Highly Efficient CH3NH3PbI3-Based Planar Perovskite Solar Cells

2018 ◽  
Vol 1 (5) ◽  
pp. 2215-2221 ◽  
Author(s):  
Duo Wang ◽  
Cuncun Wu ◽  
Wei Luo ◽  
Xuan Guo ◽  
Bo Qu ◽  
...  
Keyword(s):  
Solar Cells ◽  
Electron Transport ◽  
Open Circuit Voltage ◽  
Perovskite Solar Cells ◽  
Open Circuit ◽  
Transport Layer ◽  
Electron Transport Layer ◽  
Highly Efficient ◽  
Double Electron

Mechanism study on enhanced open-circuit voltage of perovskite solar cells with vapor-induced TiO 2 as electron-transport layer

2017 ◽  
Vol 629 ◽  
pp. 11-16 ◽  
Author(s):  
Wenjin Zeng ◽  
Xingming Liu ◽  
Huiping Wang ◽  
Daiqi Cui ◽  
Ruidong Xia ◽  
...  
Keyword(s):  
Solar Cells ◽  
Electron Transport ◽  
Open Circuit Voltage ◽  
Perovskite Solar Cells ◽  
Open Circuit ◽  
Transport Layer ◽  
Electron Transport Layer ◽  
Mechanism Study

scholarly journals Electron transport layer driven to improve the open-circuit voltage of CH3NH3PbI3 planar perovskite solar cells

2017 ◽  
Vol 61 (1) ◽  
pp. 65-72 ◽  
Author(s):  
Xin Yao ◽  
Junhui Liang ◽  
Tiantian Li ◽  
Lin Fan ◽  
Biao Shi ◽  
...  
Keyword(s):  
Solar Cells ◽  
Electron Transport ◽  
Open Circuit Voltage ◽  
Perovskite Solar Cells ◽  
Open Circuit ◽  
Transport Layer ◽  
Electron Transport Layer

Doped Bilayer Tin(IV) Oxide Electron Transport Layer for High Open‐Circuit Voltage Planar Perovskite Solar Cells with Reduced Hysteresis

Small ◽  
2020 ◽  
pp. 2005671
Author(s):  
Jiajiu Ye ◽  
Yuze Li ◽  
Asma Aicha Medjahed ◽  
Stéphanie Pouget ◽  
Dmitry Aldakov ◽  
...  
Keyword(s):  
Solar Cells ◽  
Electron Transport ◽  
Open Circuit Voltage ◽  
Perovskite Solar Cells ◽  
Open Circuit ◽  
Transport Layer ◽  
Electron Transport Layer

scholarly journals Perovskite Solar Cells: Doped Bilayer Tin(IV) Oxide Electron Transport Layer for High Open‐Circuit Voltage Planar Perovskite Solar Cells with Reduced Hysteresis (Small 5/2021)

Small ◽  
2021 ◽  
Vol 17 (5) ◽  
pp. 2170020
Author(s):  
Jiajiu Ye ◽  
Yuze Li ◽  
Asma Aicha Medjahed ◽  
Stéphanie Pouget ◽  
Dmitry Aldakov ◽  
...  
Keyword(s):  
Solar Cells ◽  
Electron Transport ◽  
Open Circuit Voltage ◽  
Perovskite Solar Cells ◽  
Open Circuit ◽  
Transport Layer ◽  
Electron Transport Layer

scholarly journals Room-Temperature-Processed Amorphous Sn-In-O Electron Transport Layer for Perovskite Solar Cells

Materials ◽  
2019 ◽  
Vol 13 (1) ◽  
pp. 32 ◽  
Author(s):  
Seungtae Baek ◽  
Jeong Woo Han ◽  
Devthade Vidyasagar ◽  
Hanbyeol Cho ◽  
Hwi-Heon HA ◽  
...  
Keyword(s):  
Thin Films ◽  
Solar Cells ◽  
Electron Transport ◽  
Room Temperature ◽  
Fill Factor ◽  
Open Circuit Voltage ◽  
Perovskite Solar Cells ◽  
Open Circuit ◽  
Transport Layer ◽  
Electron Transport Layer

We report amorphous tin-indium-oxide (TIO, Sn fraction: >50 atomic percentage (at%)) thin films as a new electron transport layer (ETL) of perovskite solar cells (PSCs). TIO thin films with Sn fraction of 52, 77, 83, 92, and 100 at% were grown on crystalline indium-tin-oxide (ITO, Sn fraction: ~10 at%) thin films, a common transparent conducting oxide, by co-sputtering In2O3 and SnO2 at room temperature. The energy band structures of the amorphous TIO thin films were determined from the optical absorbance and the ultraviolet photoelectron spectra. All the examined compositions are characterized by a conduction band edge lying between that of ITO and that of perovskite (here, methylammonium lead triiodide), indicating that TIO is a potentially viable ETL of PSCs. The photovoltaic characteristics of the TIO-based PSCs were evaluated. Owing mainly to the highest fill factor and open circuit voltage, the optimal power conversion efficiency was obtained for the 77 at%-Sn TIO ETL with TiCl4 treatment. The fill factor and the open circuit voltage changes with varying the Sn fraction, despite similar conduction band edges. We attribute these differences to the considerable changes in the electrical resistivity of the TIO ETL. This would have a significant effect on the shunt and/or the series resistances. The TIO ETL can be continuously grown on an ITO TCO in a chamber, as ITO and TIO are composed of identical elements, which would help to reduce production time and costs.

scholarly journals Efficient wide-bandgap perovskite solar cells enabled by doping a bromine-rich molecule

Nanophotonics ◽  
2021 ◽  
Vol 0 (0) ◽  
Author(s):  
Rui He ◽  
Tingting Chen ◽  
Zhipeng Xuan ◽  
Tianzhen Guo ◽  
Jincheng Luo ◽  
...  
Keyword(s):  
Solar Cells ◽  
High Performance ◽  
Open Circuit Voltage ◽  
Perovskite Solar Cells ◽  
Wide Bandgap ◽  
Open Circuit ◽  
Transport Layer ◽  
Electron Transport Layer ◽  
Tandem Solar Cells ◽  
Carrier Lifetimes

Abstract Wide-bandgap (wide-E g , ∼1.7 eV or higher) perovskite solar cells (PSCs) have attracted extensive attention due to the great potential of fabricating high-performance perovskite-based tandem solar cells via combining with low-bandgap absorbers, which is considered promising to exceed the Shockley–Queisser efficiency limit. However, inverted wide-E g PSCs with a minimized open-circuit voltage (V oc) loss, which are more suitable to prepare all-perovskite tandem devices, are still lacking study. Here, we report a strategy of adding 1,3,5-tris (bromomethyl) benzene (TBB) into wide-E g perovskite absorber to passivate the perovskite film, leading to an enhanced average V oc. Incorporation of TBB prolongs carrier lifetimes in wide-E g perovskite due to reduction of defects in perovskites and makes a better energy level matching between perovskite absorber and electron transport layer. As a result, we achieve the power conversion efficiency of 17.12% for our inverted TBB-doped PSC with an enhanced V oc of 1.19 V, compared with that (16.14%) for the control one (1.14 V).

Self‐Assembled Ionic Liquid for Highly Efficient Electron Transport Layer‐Free Perovskite Solar Cells

ChemSusChem ◽  
2020 ◽  
Vol 13 (10) ◽  
pp. 2779-2785 ◽  
Author(s):  
Haoliang Cheng ◽  
Yaru Li ◽  
Meirong Zhang ◽  
Ke Zhao ◽  
Zhong‐Sheng Wang
Keyword(s):  
Ionic Liquid ◽  
Solar Cells ◽  
Electron Transport ◽  
Perovskite Solar Cells ◽  
Transport Layer ◽  
Electron Transport Layer ◽  
Highly Efficient ◽  
Self Assembled
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