The DOI matches its Crossref record; 29 of the 29 references it cites were found in a registry or an index.
Controllable Grain Morphology of Perovskite Absorber Film by Molecular Self-Assembly toward Efficient Solar Cell Exceeding 17%
Abstract
The highly developed crystallization process with respect to perovskite thin films is favorable for efficient solar cells. Here, an innovative intermolecular self-assembly approach was employed to retard the crystallization of PbI2 in dimethylformamide (DMF) by additional solvent of dimethyl sulfoxide (DMSO), which was proved to be capable of coordinating with PbI2 by coordinate covalent bond. The obtained PbI2(DMSO)x (0 ≤ x ≤ 1.86) complexes tend to be closely packed by means of intermolecular self-assembly. Afterward, an intramolecular exchange of DMSO with CH3NH3I (MAI) enabled the complexes to deform their shape and finally to reorganize to be an ultraflat and dense thin film of CH3NH3PbI3. The controllable grain morphology of perovskite thin film allows obtaining a power conversion efficiency (PCE) above 17% and a stabilized power output above 16% within 240 s by controlling DMSO species in the complex-precursor system (CPS). The present study gives a reproductive and facile strategy toward high quality of perovskite thin films and efficient solar cells.
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Cites
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Cited by
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Causes and Solutions of Recombination in Perovskite Solar Cells
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Synthetic Approaches for Halide Perovskite Thin Films
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Recent advances in perovskite solar cells: efficiency, stability and lead-free perovskite
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Metadata
- Authors
- Li, W., Fan, J., Li, J., Mai, Y., & Wang, L.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2015-08-06
- Volume
- 137
- Issue
- 32
- Pages
- 10399-10405
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2287090305
- Cited by
- 398
- References
- 29
- FWCI
- 32.08
- Type
- journal article
- Language
- en
- Open access
- closed
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- Li, W., Fan, J., Li, J., Mai, Y., & Wang, L. (2015). Controllable Grain Morphology of Perovskite Absorber Film by Molecular Self-Assembly toward Efficient Solar Cell Exceeding 17%. Journal of the American Chemical Society. https://doi.org/10.1021/jacs.5b06444
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