Band alignment of Pb–Sn mixed triple cation perovskites for inverted solar cells with negligible hysteresis

2019 ◽  
Vol 7 (15) ◽  
pp. 9154-9162 ◽  
Author(s):  
Long Ji ◽  
Xiangzhao Zhang ◽  
Ting Zhang ◽  
Yafei Wang ◽  
Feng Wang ◽  
...  
Keyword(s):  
Solar Cells ◽  
Perovskite Solar Cells ◽  
Band Alignment ◽  
Inverted Structure

We exploit the Sn ratio to optimize the band alignment in Pb–Sn mixed triple perovskite solar cells with an inverted structure.

Bulky Cations Improve Band Alignment and Efficiency in Sn-Based Perovskite Solar Cells

2020 ◽  
Author(s):  
Deepak Thrithamarassery Gangadharan ◽  
David A. Valverde-Chávez ◽  
Andres-Felipe Castro-Mendez ◽  
Vivek Prakash ◽  
Ricardo Izquierdo ◽  
...  
Keyword(s):  
Solar Cells ◽  
Perovskite Solar Cells ◽  
Band Alignment

scholarly journals Effects of CsSnxPb1−xI3 Quantum Dots as Interfacial Layer on Photovoltaic Performance of Carbon-Based Perovskite Solar Cells

2021 ◽  
Vol 16 (1) ◽  
Author(s):  
Chi Zhang ◽  
Zhiyuan He ◽  
Xuanhui Luo ◽  
Rangwei Meng ◽  
Mengwei Chen ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Solar Cells ◽  
Photovoltaic Performance ◽  
Perovskite Solar Cells ◽  
Photogenerated Electron ◽  
Depletion Region ◽  
Band Alignment ◽  
Back Surface ◽  
The One ◽  
Carbon Based

AbstractIn this work, inorganic tin-doped perovskite quantum dots (PQDs) are incorporated into carbon-based perovskite solar cells (PSCs) to improve their photovoltaic performance. On the one hand, by controlling the content of Sn2+ doping, the energy level of the tin-doped PQDs can be adjusted, to realize optimized band alignment and enhanced separation of photogenerated electron–hole pairs. On the other hand, the incorporation of tin-doped PQDs provided with a relatively high acceptor concentration due to the self-p-type doping effect is able to reduce the width of the depletion region near the back surface of the perovskite, thereby enhancing the hole extraction. Particularly, after the addition of CsSn0.2Pb0.8I3 quantum dots (QDs), improvement of the power conversion efficiency (PCE) from 12.80 to 14.22% can be obtained, in comparison with the pristine device. Moreover, the experimental results are analyzed through the simulation of the one-dimensional perovskite/tin-doped PQDs heterojunction.

Small molecular material as an interfacial layer in hybrid inverted structure perovskite solar cells

2020 ◽  
Vol 108 ◽  
pp. 104908 ◽  
Author(s):  
Faiazul Haque ◽  
Haimang Yi ◽  
Jihoo Lim ◽  
Leiping Duan ◽  
Hong Duc Pham ◽  
...  
Keyword(s):  
Solar Cells ◽  
Interfacial Layer ◽  
Perovskite Solar Cells ◽  
Inverted Structure ◽  
Molecular Material

Molecular Passivation of MoO3: Band Alignment and Protection of Charge Transport Layers in Vacuum-Deposited Perovskite Solar Cells

2019 ◽  
Vol 31 (17) ◽  
pp. 6945-6949 ◽  
Author(s):  
Daniel Pérez-del-Rey ◽  
Lidón Gil-Escrig ◽  
Kassio P. S. Zanoni ◽  
Chris Dreessen ◽  
Michele Sessolo ◽  
...  
Keyword(s):  
Solar Cells ◽  
Charge Transport ◽  
Perovskite Solar Cells ◽  
Band Alignment

Toward Efficient and Stable Perovskite Solar Cells by 2D Interface Energy Band Alignment

2020 ◽  
pp. 2001683
Author(s):  
Weiwei Wang ◽  
Zhenhuang Su ◽  
Bo Sun ◽  
Lei Tao ◽  
Hao Gu ◽  
...  
Keyword(s):  
Solar Cells ◽  
Energy Band ◽  
Perovskite Solar Cells ◽  
Interface Energy ◽  
Band Alignment

Humidity controlled sol-gel Zr/TiO2 with optimized band alignment for efficient planar perovskite solar cells

Solar Energy ◽  
2016 ◽  
Vol 139 ◽  
pp. 290-296 ◽  
Author(s):  
Tongle Bu ◽  
Min Wen ◽  
Haiyuan Zou ◽  
Junqing Wu ◽  
Peng Zhou ◽  
...  
Keyword(s):  
Solar Cells ◽  
Sol Gel ◽  
Perovskite Solar Cells ◽  
Band Alignment
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