Journal
ADVANCED SCIENCE
Volume 4, Issue 12, Pages -Publisher
WILEY
DOI: 10.1002/advs.201700463
Keywords
large-scale manufacturing; magnesium doped nickel oxide; magnetron sputtering; perovskite solar cells
Categories
Funding
- Natural Science Foundation of SZU [2017008]
- SZU [85704-000002]
- Partner State Key Laboratory on Advanced Displays and Optoelectronics Technologies (PSKL) [ITC-PskL12EG02]
- RGC Theme-Based Research Scheme Project on Challenges in Organic Photo-Voltaics and Light Emitting Diodes - A Concerted Multi-Disciplinary and Multi-Institutional Effort [T23-713/11-1]
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Perovskite solar cells (PSCs) are one of the promising photovoltaic technologies for solar electricity generation. NiOx is an inorganic p-type semiconductor widely used to address the stability issue of PSCs. Although high efficiency is obtained for the devices employing NiOx as the hole transport layer, the fabrication methods have yet to be demonstrated for industrially relevant manufacturing of large-area and high-performance devices. Here, it is shown that these requirements can be satisfied by using the magnetron sputtering, which is well established in the industry. The limitations of low fill factor and short-circuit current commonly observed in sputtered NiOx-derived PSCs can be overcome through magnesium doping and low oxygen partial pressure deposition. The fabricated PSCs show a high power conversion efficiency of up to 18.5%, along with negligible hysteresis, improved ambient stability, and high reproducibility. In addition, good uniformity is also demonstrated over an area of 100 cm(2). The simple and well-established approach constitutes a reliable and scale method paving the way for the commercialization of PSCs.
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