Room temperature, air crystallized perovskite film for high performance solar cells
Abstract
For the first time, room temperature heating free growth and crystallization of perovskite films in ambient air without the use of thermal annealing is reported. Highly efficient perovskite nanorod-based solar cells were made using ITO/PEDOT:PSS/CH3NH3PbI3 nanorods/PC60BM/rhodamine/Ag. All the layers except PEDOT:PSS were processed at room temperature thereby eliminating the need for thermal treatment. Perovskite films were spin coated inside a N-2 filled glovebox and immediately were taken outside in air having 40% relative humidity (RH). Exposure to humid air was observed to promote the crystallization process in perovskite films even at room temperature. Perovskite films kept for 5 hours in ambient air showed nanorod-like morphology having high crystallinity, with devices exhibiting the highest PCE of 16.83%, which is much higher than the PCE of 11.94% for traditional thermally annealed perovskite film based devices. Finally, it was concluded that moisture plays an important role in room temperature crystallization of pure perovskite nanorods, showing improved optical and charge transport properties, which resulted in high performance solar cells.
- Authors:
-
- South Dakota State Univ., Brookings, SD (United States)
- Indian Institute of Technology, Ropar (India)
- Argonne National Lab. (ANL), Argonne, IL (United States); Univ. of Chicago, Chicago, IL (United States)
- Publication Date:
- Research Org.:
- Argonne National Laboratory (ANL), Argonne, IL (United States)
- Sponsoring Org.:
- National Aeronautics and Space Administration (NASA); National Science Foundation (NSF); USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1346740
- Grant/Contract Number:
- AC02-06CH11357
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Journal of Materials Chemistry. A
- Additional Journal Information:
- Journal Volume: 4; Journal Issue: 26; Journal ID: ISSN 2050-7488
- Publisher:
- Royal Society of Chemistry
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE; 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
Citation Formats
Dubey, Ashish, Kantack, Nicholas, Adhikari, Nirmal, Reza, Khan Mamun, Venkatesan, Swaminathan, Kumar, Mukesh, Khatiwada, Devendra, Darling, Seth, and Qiao, Qiquan. Room temperature, air crystallized perovskite film for high performance solar cells. United States: N. p., 2016.
Web. doi:10.1039/c6ta02918c.
Dubey, Ashish, Kantack, Nicholas, Adhikari, Nirmal, Reza, Khan Mamun, Venkatesan, Swaminathan, Kumar, Mukesh, Khatiwada, Devendra, Darling, Seth, & Qiao, Qiquan. Room temperature, air crystallized perovskite film for high performance solar cells. United States. https://doi.org/10.1039/c6ta02918c
Dubey, Ashish, Kantack, Nicholas, Adhikari, Nirmal, Reza, Khan Mamun, Venkatesan, Swaminathan, Kumar, Mukesh, Khatiwada, Devendra, Darling, Seth, and Qiao, Qiquan. Tue .
"Room temperature, air crystallized perovskite film for high performance solar cells". United States. https://doi.org/10.1039/c6ta02918c. https://www.osti.gov/servlets/purl/1346740.
@article{osti_1346740,
title = {Room temperature, air crystallized perovskite film for high performance solar cells},
author = {Dubey, Ashish and Kantack, Nicholas and Adhikari, Nirmal and Reza, Khan Mamun and Venkatesan, Swaminathan and Kumar, Mukesh and Khatiwada, Devendra and Darling, Seth and Qiao, Qiquan},
abstractNote = {For the first time, room temperature heating free growth and crystallization of perovskite films in ambient air without the use of thermal annealing is reported. Highly efficient perovskite nanorod-based solar cells were made using ITO/PEDOT:PSS/CH3NH3PbI3 nanorods/PC60BM/rhodamine/Ag. All the layers except PEDOT:PSS were processed at room temperature thereby eliminating the need for thermal treatment. Perovskite films were spin coated inside a N-2 filled glovebox and immediately were taken outside in air having 40% relative humidity (RH). Exposure to humid air was observed to promote the crystallization process in perovskite films even at room temperature. Perovskite films kept for 5 hours in ambient air showed nanorod-like morphology having high crystallinity, with devices exhibiting the highest PCE of 16.83%, which is much higher than the PCE of 11.94% for traditional thermally annealed perovskite film based devices. Finally, it was concluded that moisture plays an important role in room temperature crystallization of pure perovskite nanorods, showing improved optical and charge transport properties, which resulted in high performance solar cells.},
doi = {10.1039/c6ta02918c},
journal = {Journal of Materials Chemistry. A},
number = 26,
volume = 4,
place = {United States},
year = {Tue May 31 00:00:00 EDT 2016},
month = {Tue May 31 00:00:00 EDT 2016}
}
Web of Science
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