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  Rapid Acidic Media Growth of Cs3Bi2Br9 Platelets for Photocatalytic Toluene Oxidation

Dai, Y., & Tüysüz, H. (2021). Rapid Acidic Media Growth of Cs3Bi2Br9 Platelets for Photocatalytic Toluene Oxidation. Solar RRL, 5(7): 2100265. doi:10.1002/solr.202100265.

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Genre: Journal Article

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 Creators:
Dai, Yitao1, Author              
Tüysüz, Harun1, Author              
Affiliations:
1Research Group Tüysüz, Max-Planck-Institut für Kohlenforschung, Max Planck Society, ou_1950290              

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Free keywords: bismuth halide perovskites; Cs3Bi2Br9 platelets; photocatalytic C-H bond activation; solar energy conversion
 Abstract: Organic ligands with long carbon chains have been widely utilized to mediate the growth of halide perovskite crystals with tunable morphologies. However, the presence of these surfactants on the surface of halide perovskites limits their performance in photocatalytic conversion applications. Herein, a rapid synthetic protocol to prepare Cs3Bi2Br9 platelets with clean surfaces and controllable thickness in a dilute H2SO4 solution after a quick cooling process in liquid nitrogen or mixtures of dry ice is reported. Electron microscopy and X-ray diffraction reveal the preferential exposure of (00l) facets in Cs3Bi2Br9 platelets with variable thickness from 100 to 500 nm. Infrared spectroscopy hints that the selective chemisorption of ethyl acetoacetate on (00l) facets of bismuth perovskites regulates the growth of the crystals. These novel lead-free halide perovskite platelets can drive the photo-oxidation of toluene to benzaldehyde with high selectivity (≥88%) and stability over 36 h.

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Language(s): eng - English
 Dates: 2021-04-092021-04-242021-07-09
 Publication Status: Published online
 Pages: 8
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1002/solr.202100265
 Degree: -

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Title: Solar RRL
  Abbreviation : Sol. RRL
Source Genre: Journal
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Publ. Info: Weinheim : Wiley-VCH
Pages: - Volume / Issue: 5 (7) Sequence Number: 2100265 Start / End Page: - Identifier: ISSN: 2367-198X
CoNE: https://pure.mpg.de/cone/journals/resource/2367-198X