scholarly journals Facile Solution Spin-Coating SnO2 Thin Film Covering Cracks of TiO2 Hole Blocking Layer for Perovskite Solar Cells

Coatings ◽  
2018 ◽  
Vol 8 (9) ◽  
pp. 314 ◽  
Author(s):  
Haiyan Ren ◽  
Xiaoping Zou ◽  
Jin Cheng ◽  
Tao Ling ◽  
Xiao Bai ◽  
...  
Keyword(s):  
Thin Film ◽  
Solar Cells ◽  
Spin Coating ◽  
High Efficiency ◽  
Carbon Film ◽  
Perovskite Solar Cells ◽  
Sno2 Thin Film ◽  
Blocking Layer ◽  
Perovskite Layer ◽  
Hole Blocking Layer

The hole blocking layer plays an important role in suppressing recombination of holes and electrons between the perovskite layer and fluorine-doped tin oxide (FTO). Morphological defects, such as cracks, at the compact TiO2 hole blocking layer due to rough FTO surface seriously affect performance of perovskite solar cells (PSCs). Herein, we employ a simple spin-coating SnO2 thin film solution to cover cracks of TiO2 hole blocking layer for PSCs. The experiment results indicate that the TiO2/SnO2 complementary composite hole blocking layer could eliminate the serious electrical current leakage existing inside the device, extremely reducing interface defects and hysteresis. Furthermore, a high efficiency of 13.52% was achieved for the device, which is the highest efficiency ever recorded in PSCs with spongy carbon film deposited on a separated FTO-substrate as composite counter electrode under one sun illumination.

Room-temperature processed tin oxide thin film as effective hole blocking layer for planar perovskite solar cells

2018 ◽  
Vol 434 ◽  
pp. 1336-1343 ◽  
Author(s):  
Hong Tao ◽  
Zhibin Ma ◽  
Guang Yang ◽  
Haoning Wang ◽  
Hao Long ◽  
...  
Keyword(s):  
Thin Film ◽  
Solar Cells ◽  
Tin Oxide ◽  
Room Temperature ◽  
Perovskite Solar Cells ◽  
Oxide Thin Film ◽  
Blocking Layer ◽  
Hole Blocking Layer

scholarly journals A general approach to high-efficiency perovskite solar cells by any antisolvent

2021 ◽  
Vol 12 (1) ◽  
Author(s):  
Alexander D. Taylor ◽  
Qing Sun ◽  
Katelyn P. Goetz ◽  
Qingzhi An ◽  
Tim Schramm ◽  
...  
Keyword(s):  
Solar Cells ◽  
High Efficiency ◽  
Perovskite Solar Cells ◽  
Precursor Solution ◽  
Microstructural Characterization ◽  
Application Rate ◽  
Perovskite Layer ◽  
Highly Efficient ◽  
Application Procedure ◽  
Wide Range

AbstractDeposition of perovskite films by antisolvent engineering is a highly common method employed in perovskite photovoltaics research. Herein, we report on a general method that allows for the fabrication of highly efficient perovskite solar cells by any antisolvent via manipulation of the antisolvent application rate. Through detailed structural, compositional, and microstructural characterization of perovskite layers fabricated by 14 different antisolvents, we identify two key factors that influence the quality of the perovskite layer: the solubility of the organic precursors in the antisolvent and its miscibility with the host solvent(s) of the perovskite precursor solution, which combine to produce rate-dependent behavior during the antisolvent application step. Leveraging this, we produce devices with power conversion efficiencies (PCEs) that exceed 21% using a wide range of antisolvents. Moreover, we demonstrate that employing the optimal antisolvent application procedure allows for highly efficient solar cells to be fabricated from a broad range of precursor stoichiometries.

scholarly journals Effect of SnO2 Colloidal Dispersion Solution Concentration on the Quality of Perovskite Layer of Solar Cells

Coatings ◽  
2021 ◽  
Vol 11 (5) ◽  
pp. 591
Author(s):  
Keke Song ◽  
Xiaoping Zou ◽  
Huiyin Zhang ◽  
Chunqian Zhang ◽  
Jin Cheng ◽  
...  
Keyword(s):  
Solar Cells ◽  
Low Temperature ◽  
High Efficiency ◽  
Surface Condition ◽  
Perovskite Solar Cells ◽  
Colloidal Dispersion ◽  
Transport Layer ◽  
Electron Transport Layer ◽  
Perovskite Layer ◽  
Dispersion Solution

The electron transport layer (ETL) is critical to carrier extraction for perovskite solar cells (PSCs). Moreover, the morphology and surface condition of the ETL could influence the topography of the perovskite layer. ZnO, TiO2, and SnO2 were widely investigated as ETL materials. However, TiO2 requires a sintering process under high temperature and ZnO has the trouble of chemical instability. SnO2 possesses the advantages of low-temperature fabrication and high conductivity, which is critical to the performance of PSCs prepared under low temperature. Here, we optimized the morphology and property of SnO2 by modulating the concentration of a SnO2 colloidal dispersion solution. When adjusting the concentration of SnO2 colloidal dispersion solution to 5 wt.% (in water), SnO2 film indicated better performance and the perovskite film has a large grain size and smooth surface. Based on high efficiency (16.82%), the device keeps a low hysteresis index (0.23).

scholarly journals Efficient hole-blocking layer-free planar halide perovskite thin-film solar cells

2015 ◽  
Vol 6 (1) ◽  
Author(s):  
Weijun Ke ◽  
Guojia Fang ◽  
Jiawei Wan ◽  
Hong Tao ◽  
Qin Liu ◽  
...  
Keyword(s):  
Thin Film ◽  
Solar Cells ◽  
Thin Film Solar Cells ◽  
Blocking Layer ◽  
Hole Blocking Layer ◽  
Halide Perovskite

On the efficiency of perovskite solar cells with a back reflector: effect of a hole transport material

2021 ◽  
Author(s):  
F. Bonnín-Ripoll ◽  
Ya. B. Martynov ◽  
R. G. Nazmitdinov ◽  
G. Cardona ◽  
R. Pujol-Nadal
Keyword(s):  
Thin Film ◽  
Solar Cells ◽  
Solar Cell ◽  
Thin Film Solar Cell ◽  
High Efficiency ◽  
Perovskite Solar Cells ◽  
Hole Transport ◽  
Optimal Thickness ◽  
Back Reflector

A thorough optical + electrical + Lambertian scattering analysis determines the optimal thickness of a perovskite thin-film solar cell revealing its high efficiency with inorganic HTMs.

Highly efficient hybrid thin-film solar cells using a solution-processed hole-blocking layer

2013 ◽  
Vol 15 (6) ◽  
pp. 1788-1792 ◽  
Author(s):  
Ji Hoon Seo ◽  
Dong-Ho Kim ◽  
Se-Hun Kwon ◽  
Yun Chang Park ◽  
Hyung Hwan Jung ◽  
...  
Keyword(s):  
Thin Film ◽  
Solar Cells ◽  
Thin Film Solar Cells ◽  
Blocking Layer ◽  
Solution Processed ◽  
Hybrid Thin Film ◽  
Highly Efficient ◽  
Hole Blocking Layer

Zinc oxide as a hole blocking layer for perovskite solar cells deposited in atmospheric conditions

RSC Advances ◽  
2016 ◽  
Vol 6 (72) ◽  
pp. 67715-67723 ◽  
Author(s):  
Warda Hadouchi ◽  
Jean Rousset ◽  
Denis Tondelier ◽  
Bernard Geffroy ◽  
Yvan Bonnassieux
Keyword(s):  
Thin Film ◽  
Zinc Oxide ◽  
Power Conversion ◽  
Perovskite Solar Cells ◽  
Blocking Layer ◽  
Zno Thin Film ◽  
Atmospheric Conditions ◽  
Hole Blocking Layer ◽  
Reverse Scan ◽  
Electron Extraction

A sputtered ZnO thin film was used as electron extraction layer, in a planar perovskite based solar cell. As a result a maximum power conversion efficiency (PCE) of 14.2%, measured at reverse scan, has been demonstrated.

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