Identify the Origin of the Voc Deficit of Kestertie Solar Cells from the Two Reaction Paths Induced by Sn2+ and Sn4+ Precursors in DMSO Solution

2021 ◽  
Author(s):  
Yuancai Gong ◽  
Yifan Zhang ◽  
Qiang Zhu ◽  
Yage Zhou ◽  
Ruichan Qiu ◽  
...  
Keyword(s):  
Solar Cells ◽  
Dmso Solution ◽  
Reaction Paths

Identifying the origin of the Voc deficit of kesterite solar cells from the two grain growth mechanisms induced by Sn2+ and Sn4+ precursors in DMSO solution

2021 ◽  
Vol 14 (4) ◽  
pp. 2369-2380 ◽  
Author(s):  
Yuancai Gong ◽  
Yifan Zhang ◽  
Qiang Zhu ◽  
Yage Zhou ◽  
Ruichan Qiu ◽  
...  
Keyword(s):  
Phase Transformation ◽  
Solar Cells ◽  
Solar Cell ◽  
Grain Growth ◽  
Clean Surface ◽  
Dmso Solution ◽  
Growth Mechanisms ◽  
High Quality ◽  
Defective Surface ◽  
Multi Phase

The large Voc deficit of kesterite solar cell mainly comes from the defective surface caused by multi-phase fusion grain growth; direct phase transformation grain growth produces high quality absorber with clean surface and thus high device Voc.

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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