scholarly journals Interface Engineering of electron Transport Layer-Free Planar Perovskite Solar Cells with Efficiency Exceeding 15 %

2017 ◽  
Vol 5 (10) ◽  
pp. 1844-1851 ◽  
Author(s):  
Feiyue Huang ◽  
Yuelin Wei ◽  
Lin Gu ◽  
Qiyao Guo ◽  
Hui Xu ◽  
...  
Keyword(s):  
Solar Cells ◽  
Electron Transport ◽  
Perovskite Solar Cells ◽  
Transport Layer ◽  
Electron Transport Layer ◽  
Interface Engineering

Interface engineering using a perovskite derivative phase for efficient and stable CsPbBr3 solar cells

2018 ◽  
Vol 6 (29) ◽  
pp. 14255-14261 ◽  
Author(s):  
Huan Li ◽  
Guoqing Tong ◽  
Taotao Chen ◽  
Hanwen Zhu ◽  
Guopeng Li ◽  
...  
Keyword(s):  
Solar Cells ◽  
Electron Transport ◽  
Energy Barrier ◽  
Perovskite Solar Cells ◽  
Hole Transport ◽  
Transport Layer ◽  
Electron Transport Layer ◽  
Hole Transport Layer ◽  
Interface Engineering ◽  
Interface Defects

A derivative-phase CsPb2Br5 is introduced into inorganic perovskite solar cells, which will effectively eliminate interface defects, lower the energy barrier of electron transport layer and suppress the recombination at the interface of hole transport layer in the devices.

Graphdiyne Oxide Doped SnO2 Electron Transport Layer for High Performance Perovskite Solar Cells

2021 ◽  
Author(s):  
Lili Yao ◽  
Min Zhao ◽  
Le Liu ◽  
Siqi Chen ◽  
Jin Wang ◽  
...  
Keyword(s):  
Solar Cells ◽  
Electron Transport ◽  
High Performance ◽  
Perovskite Solar Cells ◽  
Transport Layer ◽  
Electron Transport Layer ◽  
Interface Engineering ◽  
Engineering Strategy

High-performance planar perovskite solar cells (PSCs) are dependent on the properties of electron transport layers (ETLs). Here we report an effective interface engineering strategy by incorporating an oxidized form of...

Enhanced performance of perovskite solar cells by the incorporation of the luminescent small molecule DBP: perovskite absorption spectrum modification and interface engineering

2019 ◽  
Vol 7 (19) ◽  
pp. 5686-5694 ◽  
Author(s):  
Saisai Ding ◽  
Shiqi Li ◽  
Qinjun Sun ◽  
Yukun Wu ◽  
Yifan Liu ◽  
...  
Keyword(s):  
Absorption Spectrum ◽  
Solar Cells ◽  
Electron Transport ◽  
Small Molecule ◽  
High Efficiency ◽  
Perovskite Solar Cells ◽  
Transport Layer ◽  
Electron Transport Layer ◽  
Interface Engineering ◽  
Ultrathin Layer

Luminescent organic small molecule DBP ultrathin layer were incorporated into the interface between perovskite and electron transport layer for high efficiency and stability PSCs by absorption spectrum modification and interface engineering.

In Situ Interface Engineering for Highly Efficient Electron-Transport-Layer-Free Perovskite Solar Cells

Nano Letters ◽  
2020 ◽  
Vol 20 (8) ◽  
pp. 5799-5806 ◽  
Author(s):  
Deli Li ◽  
Lingfeng Chao ◽  
Changshun Chen ◽  
Xueqin Ran ◽  
Yue Wang ◽  
...  
Keyword(s):  
Solar Cells ◽  
Electron Transport ◽  
Perovskite Solar Cells ◽  
Transport Layer ◽  
Electron Transport Layer ◽  
Interface Engineering ◽  
Highly Efficient

scholarly journals Optimizing the Performance of CsPbI3-Based Perovskite Solar Cells via Doping a ZnO Electron Transport Layer Coupled with Interface Engineering

2019 ◽  
Vol 11 (1) ◽  
Author(s):  
Man Yue ◽  
Jie Su ◽  
Peng Zhao ◽  
Zhenhua Lin ◽  
Jincheng Zhang ◽  
...  
Keyword(s):  
Solar Cells ◽  
Electron Transport ◽  
Buffer Layer ◽  
Doping Concentration ◽  
Perovskite Solar Cells ◽  
Open Circuit ◽  
Transport Layer ◽  
Electron Transport Layer ◽  
Interface Engineering ◽  
High Concentration

Abstract Interface engineering has been regarded as an effective and noninvasive means to optimize the performance of perovskite solar cells (PSCs). Here, doping engineering of a ZnO electron transport layer (ETL) and CsPbI3/ZnO interface engineering via introduction of an interfacial layer are employed to improve the performances of CsPbI3-based PSCs. The results show that when introducing a TiO2 buffer layer while increasing the ZnO layer doping concentration, the open-circuit voltage, power conversion efficiency, and fill factor of the CsPbI3-based PSCs can be improved to 1.31 V, 21.06%, and 74.07%, respectively, which are superior to those of PSCs only modified by the TiO2 buffer layer or high-concentration doping of ZnO layer. On the one hand, the buffer layer relieves the band bending and structural disorder of CsPbI3. On the other hand, the increased doping concentration of the ZnO layer improves the conductivity of the TiO2/ZnO bilayer ETL because of the strong interaction between the TiO2 and ZnO layers. However, such phenomena are not observed for those of a PCBM/ZnO bilayer ETL because of the weak interlayer interaction of the PCBM/ZnO interface. These results provide a comprehensive understanding of the CsPbI3/ZnO interface and suggest a guideline to design high-performance PSCs.

scholarly journals Ultrathin and compact electron transport layer made from novel water-dispersed Fe3O4 nanoparticles to accomplish UV-stable perovskite solar cells

2021 ◽  
Author(s):  
Song Fang ◽  
Bo Chen ◽  
Bangkai Gu ◽  
Linxing Meng ◽  
Hao Lu ◽  
...  
Keyword(s):  
Solar Cells ◽  
Solar Cell ◽  
Electron Transport ◽  
Perovskite Solar Cells ◽  
Perovskite Solar Cell ◽  
Transport Layer ◽  
Electron Transport Layer ◽  
Perovskite Material ◽  
Main Factors ◽  
Induced Decomposition

UV induced decomposition of perovskite material is one of main factors to severely destroy perovskite solar cells for instability. Here we report a UV stable perovskite solar cell with a...

scholarly journals The Influence of the Thickness of Compact TiO2 Electron Transport Layer on the Performance of Planar CH3NH3PbI3 Perovskite Solar Cells

Materials ◽  
2021 ◽  
Vol 14 (12) ◽  
pp. 3295
Author(s):  
Andrzej Sławek ◽  
Zbigniew Starowicz ◽  
Marek Lipiński
Keyword(s):  
Solar Cells ◽  
Electron Transport ◽  
Short Circuit ◽  
Photovoltaic Performance ◽  
Perovskite Solar Cells ◽  
Precursor Solution ◽  
Short Circuit Current ◽  
Short Circuit Current Density ◽  
Transport Layer ◽  
Electron Transport Layer

In recent years, lead halide perovskites have attracted considerable attention from the scientific community due to their exceptional properties and fast-growing enhancement for solar energy harvesting efficiency. One of the fundamental aspects of the architecture of perovskite-based solar cells (PSCs) is the electron transport layer (ETL), which also acts as a barrier for holes. In this work, the influence of compact TiO2 ETL on the performance of planar heterojunction solar cells based on CH3NH3PbI3 perovskite was investigated. ETLs were deposited on fluorine-doped tin oxide (FTO) substrates from a titanium diisopropoxide bis(acetylacetonate) precursor solution using the spin-coating method with changing precursor concentration and centrifugation speed. It was found that the thickness and continuity of ETLs, investigated between 0 and 124 nm, strongly affect the photovoltaic performance of PSCs, in particular short-circuit current density (JSC). Optical and topographic properties of the compact TiO2 layers were investigated as well.

Electron-transport-layer-free two-dimensional perovskite solar cells based on a flexible poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) cathode

2021 ◽  
Author(s):  
Zhihai Liu ◽  
Lei Wang ◽  
Chongyang Xu ◽  
Xiaoyin Xie
Keyword(s):  
Solar Cells ◽  
Electron Transport ◽  
Power Conversion ◽  
Perovskite Solar Cells ◽  
Transport Layer ◽  
Electron Transport Layer ◽  
Two Dimensional ◽  
High Power Conversion Efficiency ◽  
Long Term Stability

Recently, Ruddlesden–Popper two-dimensional (2D) perovskite solar cells (PSCs) have been intensively studied, owing to their high power conversion efficiency (PCE) and excellent long-term stability. In this work, we fabricated electron-transport-layer-free...

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