Conjugated polyelectrolyte with potassium cations enables inverted perovskite solar cells with an efficiency over 20%

2020 ◽  
Vol 8 (17) ◽  
pp. 8238-8243 ◽  
Author(s):  
Luozheng Zhang ◽  
Xianyong Zhou ◽  
Jiaming Xie ◽  
Shi Chen ◽  
Sanghoon Bae ◽  
...  
Keyword(s):  
Solar Cells ◽  
Perovskite Solar Cells ◽  
Conjugated Polyelectrolyte ◽  
Defect Passivation ◽  
Hole Transporting ◽  
Hole Transporting Material

A conjugated polyelectrolyte bearing stronger ability of defect-passivation and hole-extraction yields an efficiency of 20.01% as a hole transporting material.

Star-shaped cyclopentadithiophene-based dopant-free hole-transporting material for high-performance perovskite solar cells

2021 ◽  
Author(s):  
Kun-Mu Lee ◽  
Jui-Yu Yang ◽  
Ping-Sheng Lai ◽  
Ke-Jyun Luo ◽  
Ting Yu Yang ◽  
...  
Keyword(s):  
Solar Cells ◽  
Small Molecule ◽  
High Performance ◽  
Perovskite Solar Cells ◽  
Free Hole ◽  
Hole Transporting ◽  
Hole Transporting Material

A new cyclopentadithiophene (CPDT)-based organic small molecule serves as an efficient dopant-free hole transporting material (HTM) for perovskite solar cells (PSCs). Upon incorporation of two carbazole groups, the resulting CPDT-based...

A low-cost asymmetric carbazole-based hole-transporting material for efficient perovskite solar cells

2021 ◽  
Author(s):  
Xueqiao Li ◽  
Na Sun ◽  
Zhanfeng Li ◽  
Jinbo Chen ◽  
Qinjun Sun ◽  
...  
Keyword(s):  
Solar Cells ◽  
State Of The Art ◽  
Low Cost ◽  
Perovskite Solar Cells ◽  
The State ◽  
Hole Transporting ◽  
Hole Transporting Material

Perovskite solar cells (PSCs) have reached their highest efficiency with the state-of-the-art hole-transporting material (HTM) spiro-OMeTAD.

A gradient engineered hole-transporting material for monolithic series-type large-area perovskite solar cells

2017 ◽  
Vol 5 (40) ◽  
pp. 21161-21168 ◽  
Author(s):  
Yongguang Tu ◽  
Jihuai Wu ◽  
Xin He ◽  
Panfeng Guo ◽  
Tongyue Wu ◽  
...  
Keyword(s):  
Solar Cells ◽  
Perovskite Solar Cells ◽  
Efficiency Enhancement ◽  
Large Area ◽  
Active Layers ◽  
Hole Transporting ◽  
Series Type ◽  
Hole Transporting Material

Further efficiency enhancement mainly relies on decreasing the interface losses between the active layers in perovskite solar cells.

A solution-processable copper(ii) phthalocyanine derivative as a dopant-free hole-transporting material for efficient and stable carbon counter electrode-based perovskite solar cells

2017 ◽  
Vol 5 (34) ◽  
pp. 17862-17866 ◽  
Author(s):  
Xiaoqing Jiang ◽  
Ze Yu ◽  
Hai-Bei Li ◽  
Yawei Zhao ◽  
Jishuang Qu ◽  
...  
Keyword(s):  
Solar Cells ◽  
Counter Electrode ◽  
Perovskite Solar Cells ◽  
Stable Carbon ◽  
Free Hole ◽  
Hole Transporting ◽  
Solution Processable ◽  
Phthalocyanine Derivative ◽  
Hole Transporting Material

A solution-processable copper(ii) phthalocyanine derivative CuPc-TIPS has been explored as a dopant-free hole-transporting material in carbon counter electrode-based perovskite solar cells.

A low-cost polymerized hole-transporting material for high performance planar perovskite solar cells

2021 ◽  
Vol 119 (13) ◽  
pp. 133904
Author(s):  
Binbin Wang ◽  
Lingwei Xue ◽  
Shiqi Wang ◽  
Yao Li ◽  
Lele Zang ◽  
...  
Keyword(s):  
Solar Cells ◽  
High Performance ◽  
Low Cost ◽  
Perovskite Solar Cells ◽  
Hole Transporting ◽  
Hole Transporting Material

scholarly journals A facilely synthesized ‘spiro’ hole-transporting material based on spiro[3.3]heptane-2,6-dispirofluorene for efficient planar perovskite solar cells

RSC Advances ◽  
2017 ◽  
Vol 7 (66) ◽  
pp. 41903-41908 ◽  
Author(s):  
Zhanfeng Li ◽  
Jinbo Chen ◽  
Hui Li ◽  
Qi Zhang ◽  
Zhiliang Chen ◽  
...  
Keyword(s):  
Solar Cells ◽  
Low Cost ◽  
Perovskite Solar Cells ◽  
Considerable Simplification ◽  
Hole Transporting ◽  
Hole Transporting Material

A low-cost spiro[3.3]heptane-2,6-dispirofluorene-based HTM termed SDF-OMeTAD has been designed and synthesized via a two-step reaction, representing a considerable simplification with respect to that of the well-known spiro-OMeTAD.

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