The DOI matches its Crossref record; 34 of the 34 references it cites were found in a registry or an index.
Influence of Solvent Coordination on Hybrid Organic–Inorganic Perovskite Formation
Open accessAbstract
Abstract Solution-processed hybrid organic–inorganic perovskites (HOIPs) from organoammonium halide and lead halide precursors form efficacious active layers for photovoltaics, light-emitting diodes, and flexible electronics. Though solvent–solute coordination plays a critical role in HOIP crystallization, the influence of solvent choice on such interactions is poorly understood. We demonstrate Gutmann’s donor number, DN, as a parameter that indicates the coordinating ability of the processing solvent with the Pb2+ center of the lead halide precursor. Low DN solvents interact weakly with the Pb2+ center, favoring instead complexation between Pb2+ and iodide and subsequent crystallization of perovskite. High DN solvents coordinate more strongly with the Pb2+ center, which in turn inhibits iodide coordination and stalls perovskite crystallization. Varying the concentration of high-DN additives in precursor solutions tunes the strength of lead–solvent interactions, allowing finer control over the crystallization and the resulting morphology of HOIP active layers.
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Cites
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Cited by
High-performance quasi-2D perovskite light-emitting diodes: from materials to devices
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Metadata
- Authors
- Hamill, J. C., Schwartz, J., & Loo, Y.-L.
- Venue
- ACS Energy Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2017-11-29
- Volume
- 3
- Issue
- 1
- Pages
- 92-97
- ISSN
- 2380-8195 (ISSN-L)
- OpenAlex
- W2770413462
- Cited by
- 451
- References
- 34
- FWCI
- 9.51
- Type
- journal article
- Language
- en
- Open access
- hybrid
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- Hamill, J. C., Schwartz, J., & Loo, Y.-L. (2018). Influence of Solvent Coordination on Hybrid Organic–Inorganic Perovskite Formation. ACS Energy Letters. https://doi.org/10.1021/acsenergylett.7b01057
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