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Morphologically and Compositionally Controlled Cs₂SbBr₆ by Bi and Ag Substitution

Frebel, Alexander ; Yoon, Songhak ; Neguse, Samuel Meles ; Jöckel, Dennis Michael ; Widenmeyer, Marc ; Ebbinghaus, Stefan G. ; Balke‐Grünewald, Benjamin ; Weidenkaff, Anke (2024)
Morphologically and Compositionally Controlled Cs₂SbBr₆ by Bi and Ag Substitution.
In: Crystal Research and Technology, 2024, 59 (10)
doi: 10.26083/tuprints-00028277
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Item Type: Article
Type of entry: Secondary publication
Title: Morphologically and Compositionally Controlled Cs₂SbBr₆ by Bi and Ag Substitution
Language: English
Date: 19 November 2024
Place of Publication: Darmstadt
Year of primary publication: October 2024
Place of primary publication: Weinheim
Publisher: Wiley-VCH
Journal or Publication Title: Crystal Research and Technology
Volume of the journal: 59
Issue Number: 10
Collation: 7 Seiten
DOI: 10.26083/tuprints-00028277
Corresponding Links:
Origin: Secondary publication DeepGreen
Abstract:

Morphology‐controlled Cs₂SbBr₆ crystals are synthesized by Bi‐ and Ag‐substitution of the precursor solution. X‐ray diffraction (XRD) together with Raman spectroscopy confirms the lattice tilting and symmetry changes with the dominant appearance of higher index facets by Bi substitution. Ag substitution does not induce crystal symmetry changes in the Cs₂SbBr₆ (B = Sb or Bi) phase, but results in highly defective structures hindering the formation of a smooth surface during the crystal growth. Successful substitution of Bi and limited substitution of Ag into Cs₂SbBr₆ is also confirmed by energy dispersive X‐ray spectroscopy (EDX). This research provides design principles and practical examples of how to control the morphology of Cs₂SbBr₆ crystals with structural defects and multiphase formation.

Uncontrolled Keywords: Cs₂SbBr₆, Cs₃Sb₂Br₉, Morphology change, Oriented attachment, Raman spectroscopy, X‐ray diffraction
Identification Number: Artikel-ID: 2400055
Status: Publisher's Version
URN: urn:nbn:de:tuda-tuprints-282775
Classification DDC: 500 Science and mathematics > 530 Physics
500 Science and mathematics > 540 Chemistry
600 Technology, medicine, applied sciences > 660 Chemical engineering
Divisions: 11 Department of Materials and Earth Sciences > Material Science > Materials and Resources
Date Deposited: 19 Nov 2024 12:22
Last Modified: 02 Dec 2024 10:20
SWORD Depositor: Deep Green
URI: https://tuprints.ulb.tu-darmstadt.de/id/eprint/28277
PPN: 524288704
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