Drastic Change of Surface Morphology of Cesium–Formamidinium Perovskite Solar Cells by Antisolvent Processing

2021 ◽  
Vol 4 (2) ◽  
pp. 1069-1077
Author(s):  
Youhei Numata ◽  
Yoshitaka Sanehira ◽  
Tsutomu Miyasaka
Keyword(s):  
Solar Cells ◽  
Surface Morphology ◽  
Perovskite Solar Cells ◽  
Drastic Change

Synergistic improvements in the performance and stability of inverted planar MAPbI3-based perovskite solar cells incorporating benzylammonium halide salt additives

2021 ◽  
Author(s):  
Hung-Cheng Chen ◽  
Jie-Min Lan ◽  
Hsiang-Lin Hsu ◽  
Chia-Wei Li ◽  
Tien-Shou Shieh ◽  
...  
Keyword(s):  
Crystal Structure ◽  
Optical Properties ◽  
Solar Cells ◽  
Solar Cell ◽  
Surface Morphology ◽  
Perovskite Solar Cells ◽  
Cell Performance ◽  
Solar Cell Performance ◽  
Halide Salt

Three different benzylammonium halide (Cl, Br, and I) salts were investigated to elucidate their effects as additives on MAPbI3 perovskite surface morphology, crystal structure, optical properties, and solar cell performance and stability.

Effects of surface morphology on the ionic capacitance and performance of perovskite solar cells

2017 ◽  
Vol 56 (9) ◽  
pp. 090305 ◽  
Author(s):  
Hong Liu ◽  
Chun-Jun Liang ◽  
Hui-Min Zhang ◽  
Meng-Jie Sun ◽  
Jing-Jing Liang ◽  
...  
Keyword(s):  
Solar Cells ◽  
Surface Morphology ◽  
Perovskite Solar Cells ◽  
And Performance

An ionic compensation strategy for high-performance mesoporous perovskite solar cells: healing defects with tri-iodide ions in a solvent vapor annealing process

2019 ◽  
Vol 7 (1) ◽  
pp. 353-362 ◽  
Author(s):  
Tie Liu ◽  
Pengyu Su ◽  
Li Liu ◽  
Jun Wang ◽  
Shuang Feng ◽  
...  
Keyword(s):  
Solar Cells ◽  
Surface Morphology ◽  
High Performance ◽  
Perovskite Solar Cells ◽  
Annealing Process ◽  
Compensation Strategy ◽  
Solvent Vapor ◽  
Iodide Ions ◽  
Vapor Annealing ◽  
Solvent Vapor Annealing

The surface morphology and J–V curves of CH3NH3PbI3 films with and without IPA/[I3−] treatment.

scholarly journals Influence of the Porosity of the TiO2 Film on the Performance of the Perovskite Solar Cell

2017 ◽  
Vol 2017 ◽  
pp. 1-10 ◽  
Author(s):  
Xiaodan Sun ◽  
Jia Xu ◽  
Li Xiao ◽  
Jing Chen ◽  
Bing Zhang ◽  
...  
Keyword(s):  
Solar Cells ◽  
Solar Cell ◽  
Surface Morphology ◽  
Mass Fraction ◽  
Perovskite Solar Cells ◽  
Perovskite Solar Cell ◽  
High Porosity ◽  
Photoelectric Performance ◽  
Highly Porous ◽  
Complete Transformation

The structure of mesoporous TiO2 (mp-TiO2) films is crucial to the performance of mesoporous perovskite solar cells (PSCs). In this study, we fabricated highly porous mp-TiO2 films by doping polystyrene (PS) spheres in TiO2 paste. The composition of the perovskite films was effectively improved by modifying the mass fraction of the PS spheres in the TiO2 paste. Due to the high porosity of the mp-TiO2 film, PbI2 and CH3NH3I could sufficiently infiltrate into the network of the mp-TiO2 film, which ensured a more complete transformation to CH3NH3PbI3. The surface morphology of the mp-TiO2 film and the photoelectric performance of the perovskite solar cells were investigated. The results showed that an increase in the porosity of the mp-TiO2 film resulted in an improvement in the performance of the PSCs. The best device with the optimized mass fraction of 1.0 wt% PS in TiO2 paste exhibited an efficiency of 12.69%, which is 25% higher than the efficiency of the PSCs without PS spheres.

scholarly journals Modulating Surface Morphology Related to Crystallization Speed of Perovskite Grain and Semiconductor Properties of Optical Absorber Layer under Controlled Doping of Potassium Ions for Solar Cells

Materials ◽  
2018 ◽  
Vol 11 (9) ◽  
pp. 1605 ◽  
Author(s):  
Tao Ling ◽  
Xiaoping Zou ◽  
Jin Cheng ◽  
Ying Yang ◽  
Haiyan Ren ◽  
...  
Keyword(s):  
Solar Cells ◽  
Surface Morphology ◽  
Perovskite Solar Cells ◽  
Lead Iodide ◽  
Solvent Vapor ◽  
Crystallization Properties ◽  
Component Design ◽  
Crystallization Speed ◽  
Controlled Doping ◽  
Semiconductor Properties

Perovskite thin films with excellent optical semiconductor and crystallization properties and superior surface morphology are normally considered to be vital to perovskite solar cells (PSCs). In this paper, we systematically survey the process of modulating surface morphology and optical semiconductor and crystallization properties of methylammonium lead iodide film by controlling doping of K+ for PSC prepared in air and propose the mechanism of large K+-doped perovskite grain formation related to crystallization speed. The increase in the crystallization speed leads to the production of large grains without localized-solvent-vapor (LSV) pores via moderate doping of K+, and the exorbitant crystallization speed induces super large grains with LSV pores via excessive doping of K+. Furthermore, the semiconductor properties (absorption band edge wavelength, PL emission peak wavelength, energy band gap) of perovskite film can be significantly tuned by controlled doping of K+. The investigation of the detailed process of modulating surface morphology and semiconductor properties of perovskite thin film by controlled doping of K+ may provide guidance and pave the way for superior component design of absorption materials for cost-efficient PSCs.

Characterization of Methylammonium Lead Iodide Perovskite Solar Cells by Surface Morphology Changes

2017 ◽  
Vol 17 (7) ◽  
pp. 4817-4821 ◽  
Author(s):  
Taewon Chung ◽  
Seongtak Kim ◽  
Soohyun Bae ◽  
Sang-Won Lee ◽  
Kyungjin Cho ◽  
...  
Keyword(s):  
Solar Cells ◽  
Surface Morphology ◽  
Perovskite Solar Cells ◽  
Lead Iodide ◽  
Methylammonium Lead Iodide ◽  
Morphology Changes

Enhanced efficiency of planar-heterojunction perovskite solar cells through a thermal gradient annealing process

RSC Advances ◽  
2015 ◽  
Vol 5 (71) ◽  
pp. 58041-58045 ◽  
Author(s):  
Bingbing Fan ◽  
Dehua Peng ◽  
Shiwei Lin ◽  
Nü Wang ◽  
Yong Zhao ◽  
...  
Keyword(s):  
Solar Cells ◽  
Surface Morphology ◽  
Thermal Gradient ◽  
Perovskite Solar Cells ◽  
Annealing Process ◽  
Planar Heterojunction

An efficient gradient annealing approach has been developed to improve the surface morphology and coverage of perovskite films, thereby increasing the efficiency of perovskite solar cells.

Influence of anti-solvents on CH3NH3PbI3 films surface morphology for fabricating efficient and stable inverted planar perovskite solar cells

2018 ◽  
Vol 663 ◽  
pp. 105-115 ◽  
Author(s):  
Md. Emrul Kayesh ◽  
Kiyoto Matsuishi ◽  
Towhid H. Chowdhury ◽  
Ryuji Kaneko ◽  
Jae-Joon Lee ◽  
...  
Keyword(s):  
Solar Cells ◽  
Surface Morphology ◽  
Perovskite Solar Cells

Management of perovskite intermediates for highly efficient inverted planar heterojunction perovskite solar cells

2017 ◽  
Vol 5 (7) ◽  
pp. 3193-3202 ◽  
Author(s):  
Yingdong Xia ◽  
Chenxin Ran ◽  
Yonghua Chen ◽  
Qi Li ◽  
Naisheng Jiang ◽  
...  
Keyword(s):  
Solar Cells ◽  
Surface Morphology ◽  
Perovskite Solar Cells ◽  
Highly Efficient ◽  
Planar Heterojunction

The management of perovskite intermediates to construct perovskite films with uniform perovskite crystals and controlled surface morphology was introduced.

A thiourea additive-based quadruple cation lead halide perovskite with an ultra-large grain size for efficient perovskite solar cells

Nanoscale ◽  
2019 ◽  
Vol 11 (45) ◽  
pp. 21824-21833 ◽  
Author(s):  
Jyoti V. Patil ◽  
Sawanta S. Mali ◽  
Chang Kook Hong
Keyword(s):  
Thin Films ◽  
Grain Size ◽  
Solar Cells ◽  
Power Conversion Efficiency ◽  
Conversion Efficiency ◽  
Power Conversion ◽  
Perovskite Solar Cells ◽  
Inorganic Perovskite ◽  
Halide Perovskite ◽  
Lead Halide

Controlling the grain size of the organic–inorganic perovskite thin films using thiourea additives now crossing 2 μm size with >20% power conversion efficiency.

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