scholarly journals Methylammonium-free, high-performance, and stable perovskite solar cells on a planar architecture

Science ◽  
2018 ◽  
Vol 362 (6413) ◽  
pp. 449-453 ◽  
Author(s):  
Silver-Hamill Turren-Cruz ◽  
Anders Hagfeldt ◽  
Michael Saliba
Keyword(s):  
Solar Cells ◽  
High Performance ◽  
Perovskite Solar Cells ◽  
Flexible Substrates ◽  
Device Architecture ◽  
Inorganic Cation ◽  
Hole Transporting ◽  
Improved Stability ◽  
Planar Device

Currently, perovskite solar cells (PSCs) with high performances greater than 20% contain bromine (Br), causing a suboptimal bandgap, and the thermally unstable methylammonium (MA) molecule. Avoiding Br and especially MA can therefore result in more optimal bandgaps and stable perovskites. We show that inorganic cation tuning, using rubidium and cesium, enables highly crystalline formamidinium-based perovskites without Br or MA. On a conventional, planar device architecture, using polymeric interlayers at the electron- and hole-transporting interface, we demonstrate an efficiency of 20.35% (stabilized), one of the highest for MA-free perovskites, with a drastically improved stability reached without the stabilizing influence of mesoporous interlayers. The perovskite is not heated beyond 100°C. Going MA-free is a new direction for perovskites that are inherently stable and compatible with tandems or flexible substrates, which are the main routes commercializing PSCs.

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...

Efficient, dopant free phenazine based hole transporting materials for high performance perovskite solar cells

Solar Energy ◽  
2021 ◽  
Vol 226 ◽  
pp. 501-512
Author(s):  
Gurulakshmi Maddala ◽  
Ramesh Gade ◽  
Jakeer Ahemed ◽  
Susmitha Kalvapalli ◽  
Narendra Babu Simhachalam ◽  
...  
Keyword(s):  
Solar Cells ◽  
High Performance ◽  
Perovskite Solar Cells ◽  
Hole Transporting ◽  
Hole Transporting Materials

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

High-performance flexible and air-stable perovskite solar cells with a large active area based on poly(3-hexylthiophene) nanofibrils

2016 ◽  
Vol 4 (29) ◽  
pp. 11307-11316 ◽  
Author(s):  
Minwoo Park ◽  
Joon-Suh Park ◽  
Il Ki Han ◽  
Jin Young Oh
Keyword(s):  
Solar Cells ◽  
Power Conversion Efficiency ◽  
Conversion Efficiency ◽  
High Performance ◽  
Power Conversion ◽  
Perovskite Solar Cells ◽  
Active Area ◽  
Hole Transporting ◽  
Large Active Area

By incorporating long P3HT nanofibrils as a hole transporting layer, high-performance, air-stable and flexible perovskite solar cells with a large active area (1 cm2) have been realized with an excellent power conversion efficiency of 13.12%.

One plus one greater than two: high-performance inverted planar perovskite solar cells based on a composite CuI/CuSCN hole-transporting layer

2018 ◽  
Vol 6 (43) ◽  
pp. 21435-21444 ◽  
Author(s):  
Haoxin Wang ◽  
Ze Yu ◽  
Jianbo Lai ◽  
Xinkai Song ◽  
Xichuan Yang ◽  
...  
Keyword(s):  
Solar Cells ◽  
Low Temperature ◽  
High Performance ◽  
Perovskite Solar Cells ◽  
Solution Processed ◽  
Hole Transporting ◽  
Temperature Solution

Low-temperature solution-processed CuI/CuSCN composites have been successfully demonstrated to be effective hole-transporting layers for inverted planar perovskite solar cells.

Fluorene-based enamines as low-cost and dopant-free hole transporting materials for high performance and stable perovskite solar cells

2021 ◽  
Vol 9 (1) ◽  
pp. 301-309
Author(s):  
Sarune Daskeviciute ◽  
Cristina Momblona ◽  
Kasparas Rakstys ◽  
Albertus Adrian Sutanto ◽  
Maryte Daskeviciene ◽  
...  
Keyword(s):  
Solar Cells ◽  
High Performance ◽  
Low Cost ◽  
Perovskite Solar Cells ◽  
One Pot ◽  
Free Hole ◽  
Hole Transporting ◽  
Exceptional Stability ◽  
Hole Transporting Materials

One-pot synthesized low-cost HTM V1275 exhibits a remarkable performance of 19.3% in PSCs with exceptional stability retaining 125% of the original PCE after 500 h.

Lewis-base containing spiro type hole transporting materials for high-performance perovskite solar cells with efficiency approaching 20%

Nanoscale ◽  
2020 ◽  
Vol 12 (24) ◽  
pp. 13157-13164 ◽  
Author(s):  
Jianbin Xu ◽  
Lusheng Liang ◽  
Chi-Lun Mai ◽  
Zilong Zhang ◽  
Qin Zhou ◽  
...  
Keyword(s):  
Solar Cells ◽  
High Performance ◽  
Molecular Design ◽  
Perovskite Solar Cells ◽  
Lewis Base ◽  
Alternative Strategy ◽  
Hole Transporting ◽  
Hole Transporting Materials ◽  
Base Group

Lewis base group containing spiro-type hole conductors (spiro-CN-OMeTAD and spiro-PS-OMeTAD) have been synthesized to be HTMs. This study provides an alternative strategy for the molecular design of better HTMs in high-performance Perovskite solar cells.

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