Organic Chloride Salt Interfacial Modified Crystallization for Efficient Antimony Selenosulfide Solar Cells

2022 ◽  
Author(s):  
Muhammad Azam ◽  
Yan-Di Luo ◽  
Rong Tang ◽  
Shuo Chen ◽  
Zhuang-Hao Zheng ◽  
...  
Keyword(s):  
Solar Cells ◽  
Chloride Salt ◽  
Organic Chloride

Contrasting Effects of Organic Chloride Additives on Performance of Direct and Inverted Perovskite Solar Cells

2019 ◽  
Vol 11 (41) ◽  
pp. 37833-37841 ◽  
Author(s):  
Pang Wang ◽  
Hui Wang ◽  
Fanghao Ye ◽  
Huijun Zhang ◽  
Mengting Chen ◽  
...  
Keyword(s):  
Solar Cells ◽  
Perovskite Solar Cells ◽  
Organic Chloride

scholarly journals Spin-coated $$\hbox {Cu}_2\hbox {ZnSnS}_{4}$$ solar cells: A study on the transformation from ink to film

2020 ◽  
Vol 10 (1) ◽  
Author(s):  
Sara Engberg ◽  
Filipe Martinho ◽  
Mungunshagai Gansukh ◽  
Alexander Protti ◽  
Rainer Küngas ◽  
...  
Keyword(s):  
Solar Cells ◽  
Annealing Temperature ◽  
Mixing Time ◽  
Secondary Phase ◽  
Thermal Exposure ◽  
Chloride Salt ◽  
Ambient Conditions ◽  
Fine Grain ◽  
Coated Film ◽  
Interface Devices

AbstractIn this paper, we study the DMSO/thiourea/chloride salt system for synthesis of pure-sulfide $$\hbox {Cu}_2\hbox {ZnSnS}_{4}$$ Cu 2 ZnSnS 4 (CZTS) thin-film solar cells under ambient conditions. We map out the ink constituents and determine the effect of mixing time and filtering. The thermal behavior of the ink is analyzed, and we find that more than 90% of the solvent has evaporated at $$250\,^{\circ }\hbox {C}$$ 250 ∘ C . However, chloride and sulfoxide species are released continually until $$500\,^{\circ }\hbox {C}$$ 500 ∘ C , suggesting the advantage of a higher pre-annealing temperature, which is also commonly observed in the spin-coating routines in literature. Another advantage of a higher pre-annealing temperature is that the worm-like pattern in the spin-coated film can be avoided. We hypothesize that this pattern forms as a result of hydrodynamics within the film as it dries, and it causes micro-inhomogeneities in film morphology. Devices were completed in order to finally evaluate the effect of varying thermal exposure during pre-annealing. Contrary to the previous observations, a lower pre-annealing temperature of $$250\,^{\circ }\hbox {C}$$ 250 ∘ C results in the best device efficiency of 4.65%, which to the best of our knowledge is the highest efficiency obtained for a pure-sulfide kesterite made with DMSO. Lower thermal exposure during pre-annealing results in larger grains and a thicker $$\hbox {MoS}_2$$ MoS 2 layer at the CZTS/Mo interface. Devices completed at higher pre-annealing temperatures display the existence of either a Cu-S secondary phase or an incomplete sulfurization with smaller grains and a fine-grain layer at the back interface.

Synergistic improvement of perovskite film quality for efficient solar cells via multiple chloride salt additives

2018 ◽  
Vol 63 (11) ◽  
pp. 726-731 ◽  
Author(s):  
Pengyang Wang ◽  
Qi Jiang ◽  
Yang Zhao ◽  
Yong Chen ◽  
Zema Chu ◽  
...  
Keyword(s):  
Solar Cells ◽  
Chloride Salt

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.

Oxford Spin-Off To Print Solar Cells

2011 ◽  
pp. 011111165738
Author(s):  
Marc Reisch
Keyword(s):  
Solar Cells
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