期刊
SOLAR ENERGY MATERIALS AND SOLAR CELLS
卷 179, 期 -, 页码 80-86出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.solmat.2018.02.003
关键词
Roll-to-roll printing; Scalable process; Printed solar cells; Perovskite PV; Hot deposition; Slot die coating
资金
- Australian Centre for Advanced Photovoltaics (ACAP) program - Australian Government through the Australian Renewable Energy Agency (ARENA)
- National Research Foundation of Korea (NRF) grant - Korea government of the Republic of Korea [NRF-2015R1A2A1A10054466, 20163030013900]
- National Research Foundation of Korea (NRF) grant - Korea Institute of Energy Technology Evaluation and Planning (KETEP) of the Republic of Korea [20163030013900]
- National Research Foundation of Korea (NRF) grant - Ministry of Trade, Industry & Energy(MOTIE) of the Republic of Korea [20163030013900]
- GIST Research Institute (GRI) grant - GIST
- CSIRO's Julius career award fund
- Korea Evaluation Institute of Industrial Technology (KEIT) [20163030013900] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
- Ministry of Science, ICT & Future Planning, Republic of Korea [GIST-14] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
- National Research Foundation of Korea [2015R1A2A1A10054466] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
CH3NH3PbI3-based planar perovskite solar cells were fabricated by slot-die coating, a scalable method. Slot-die coating tends to produce perovskite layers with much lower coverage with overgrown crystals than spin coating, which does not include a self-drying mechanism in the process. To mimic the self-drying behavior inherent in spin coating, the present study introduces a blowing step in the slot-die coating method, which significiltly improved coverage of the prepared slot-die coated perovskite films. The slot-die-coated device with blowing showed a moderate power conversion efficiency (PCE) of 8.8%. The morphology of the slot-die-coated perovskite film is further improved by optimizing the deposition temperature. The combination of blowing rand heating during the slot-die-coating step and the introduction of a printing-friendly hole transport layer resulted in a PCE of 12.7% for the devices fabricated in air.
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