Multi-interface engineering to realize all-solution processed highly efficient Kesterite solar cells
arxiv(2024)
摘要
With the rapid development of Kesterite Cu2ZnSn(S, Se)4 solar cells in the
past few years, how to achieve higher cost-performance ratio has become an
important topic in the future development and industrialization of this
technology. Herein, we demonstrate an all-solution route for the cell
fabrication, in particular targeting at the solution processed window layer
comprised of ZnO nanoparticles/Ag nanowires. A multi-interface engineering
strategy assisted by organic polymers and molecules is explored to
synergistically improve the film deposition, passivate the surface defects and
facilitate the charge transfer. These efforts help us achieve high-performance
and robust Kesterite solar cells at extremely low time and energy costs, with
efficiency records of 14.37
Kesterite solar cells, respectively. Our strategy here is also promising to be
transplanted into other solar cells with similar geometric and energy band
structures, helping reduce production costs and shorten the production cycle
(i.e. increasing production capacity) of these photovoltaic industries.
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