Journal
ADVANCED FUNCTIONAL MATERIALS
Volume 30, Issue 46, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adfm.202004209
Keywords
efficiency; electron transport layers; perovskite solar cells; SnO2; stability
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Funding
- National Natural Science Foundation of China [51772197, 51972218]
- 1000 Youth Talents Plan
- Key University Science Research Project of Jiangsu Province [17KJA430013]
- 333 High-level Talents Cultivation Project of Jiangsu Province
- Six Talents Peak Project of Jiangsu Province
- Priority Academic Program Development (PAPD) of Jiangsu Higher Education Institutions
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The electron transport layer plays a key role in affecting the charge dynamics and photovoltaic parameters in perovskite solar cells. Compared to other counterparts, SnO(2)has unique advantages such as low temperature fabrication and high electron extraction ability, and it receives extra attentions from the research community since the first report. Planar-type perovskite solar cells based on SnO(2)exhibit a simple architecture and state of art device can achieve a power conversion efficiency of over 23%, which can compete with traditional devices using mesoporous TiO2. The modification engineering of SnO(2)has contributed significantly to the enhanced device performance during the past years. There is still great potential for further improvement in the efficiency and long-term stability. Herein recent advances toward modifying the optoelectronic properties of SnO(2)from the perspective of the optimization strategies are summarized and the remaining challenges as well as opportunities for future research are discussed. The continuous efforts dedicated to this exciting field may pave the way for developing commercial perovskite solar cells.
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