Electronic Properties of Silver–Bismuth Iodide Rudorffite Nanoplatelets
| العنوان: | Electronic Properties of Silver–Bismuth Iodide Rudorffite Nanoplatelets |
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| المؤلفون: | Danijela Danilović, Aleksandar R. Milosavljević, Pitambar Sapkota, Radovan Dojčilović, Dragana Tošić, Nenad Vukmirović, Milan Jocić, Vladimir Djoković, Sylwia Ptasinska, Dušan K. Božanić |
| المصدر: | The Journal of Physical Chemistry C |
| بيانات النشر: | American Chemical Society (ACS), 2022. |
| سنة النشر: | 2022 |
| مصطلحات موضوعية: | Granular materials, General Energy, Electrical conductivity, Nanoparticles, Colloids, Physical and Theoretical Chemistry, Materials, Surfaces, Coatings and Films, Electronic, Optical and Magnetic Materials |
| الوصف: | Silver–bismuth iodide (Ag–Bi–I) rudorffites are chemically stable and non-toxic materials that can act as a possible lead-free replacement for methylammonium lead halides in optoelectronic applications. We report on a simple route for fabricating Ag–Bi–I colloidal nanoplatelets approximately 160 nm in lateral dimensions and 1–8 nm in thickness via exfoliation of Ag–Bi–I rudorffite powders in acetonitrile. The valence band electronic structure of isolated Ag–Bi–I nanoplatelets was investigated using synchrotron radiation to perform X-ray aerosol photoelectron spectroscopy (XAPS). The ionization energy of the material was found to be 6.1 ± 0.2 eV with respect to the vacuum level. UV–vis absorption and photoluminescence spectroscopies of the Ag–Bi–I colloids showed that the optical properties of the nanoplatelets originate from I 5p to Bi 6p and I 5p to I 5p transitions, which is further confirmed by density functional theory (DFT) calculations. Finally, calculations based on the DFT and k · p theoretical methods showed that the quantum confinement effect is very weak in the system studied. |
| تدمد: | 1932-7455 1932-7447 |
| URL الوصول: | https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4a76260030fa16af032543d81aa30a1a https://doi.org/10.1021/acs.jpcc.2c03208 |
| حقوق: | RESTRICTED |
| رقم الأكسشن: | edsair.doi.dedup.....4a76260030fa16af032543d81aa30a1a |
| قاعدة البيانات: | OpenAIRE |
Find this issue from the American Chemical Society | تدمد: | 19327455 19327447 |
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