Coevaporated Formamidinium Tin Triiodide with Suppressed p-Type Self-Doping
Source abstract
Abstract
High Resolution Image Download MS PowerPoint Slide Coevaporation of formamidinium tin triiodide (FASnI 3 ) precursors, without any additives or reducing agents, leads to the growth of a highly crystalline thin films which show a bandgap around 1.31 eV, closely matching the theoretical value predicted from the ideal single crystal structure of FASnI 3 . The polycrystalline thin film presents a lower tendency toward Sn 2+ to Sn 4+ oxidation and highly reduced tendency toward self-doping, demonstrating, overall, an improved resistance to defects formation. These findings suggest solvent-free coevaporation processes as a promising route for high quality Sn-based perovskite polycrystalline thin films.
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Research context
OpenAlex topics: Perovskite Materials and Applications · Electronic and Structural Properties of Oxides · Inorganic Chemistry and Materials
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Center for Nano Science and Technology@Polimi, Istituto Italiano di Tecnologia, via Rubattino 81, Milano 20134, Italy
Materials Characterization Facility, Istituto Italiano di Tecnologia, Via Morego, Genova 16163 Italy
Department of Chemical Engineering, University of Seoul, 163, Seoulsiripdae-ro, Dongdaemun-gu, Seoul 02504, South Korea
Funding
National Research Foundation of Korea · HORIZON EUROPE Climate, Energy and Mobility
References (15)
Show source-provided references
1. 10.1021/acsenergylett.9b0185510.1021/acsenergylett.9b01855 ↗
2. 10.1021/acs.nanolett.2c0220410.1021/acs.nanolett.2c02204 ↗
3. 10.1021/acsenergylett.0c0188710.1021/acsenergylett.0c01887 ↗
4. 10.1021/acs.jpclett.3c0010510.1021/acs.jpclett.3c00105 ↗
5. 10.1021/acsenergylett.0c0116610.1021/acsenergylett.0c01166 ↗
6. Singh B. · 1973 · 74310.1007/978-1-4757-1346-6_54 ↗
7. 10.1039/D2CS00278G10.1039/D2CS00278G ↗
8. 10.1039/D2MH00008C10.1039/D2MH00008C ↗
9. 10.1021/acsenergylett.2c0077610.1021/acsenergylett.2c00776 ↗
10. 10.1039/D5EL00010F10.1039/D5EL00010F ↗
11. 10.1002/adfm.20240695410.1002/adfm.202406954 ↗
12. 10.1039/D5EL00021A10.1039/D5EL00021A ↗
13. 10.1038/s41598-021-94689-110.1038/s41598-021-94689-1 ↗
14. 10.1002/adma.20140199110.1002/adma.201401991 ↗
15. 10.1002/adma.20180450610.1002/adma.201804506 ↗