Aggregative growth of quasi-octahedral iron pyrite mesocrystals in polyol solution through oriented attachment

Xian, Haiyang, Zhu, Jianxi, Tang, Hongmei, Liang, Xiaoliang, He, Hongping, & Xi, Yunfei (2016) Aggregative growth of quasi-octahedral iron pyrite mesocrystals in polyol solution through oriented attachment. CrystEngComm. (In Press)

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Abstract

Iron pyrite (FeS2) mesocrystals were synthesized in polyol solution through hot-injection method. The synthesized iron pyrite is in quasi-octahedral shape with exposed {111} facets and possesses typical features of mesocrystals, i.e. rough surface, small size of building block and single crystalline structure. The growth processes of the iron pyrite mesocrystals includes classical nucleation and growth, aggrega-tive growth through oriented attachment, and Ostwald ripening as well. The growth mechanism of iron pyrite mesocrystals could provide an appropriate way to explain the origin of bulk sulfur vacancies, which may help to improve the controllable syntheses of iron pyrite crystals in terms of size, shape and properties.

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ID Code: 99625
Item Type: Journal Article
Refereed: Yes
Keywords: Iron pyrite, Mesocrystal, Quasi-octadedral
DOI: 10.1039/C6CE01692H
ISSN: 1466-8033
Subjects: Australian and New Zealand Standard Research Classification > EARTH SCIENCES (040000)
Australian and New Zealand Standard Research Classification > ENVIRONMENTAL SCIENCES (050000)
Divisions: Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > Institutes > Institute for Future Environments
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Funding:
  • NATIONAL NATURAL SCI/41573112
  • CAS/SAFEA/20140491534
  • YOUTH INNOVATION PRO/2014324
Copyright Owner: Copyright 2016 Royal Society of Chemistry
Deposited On: 04 Oct 2016 02:34
Last Modified: 11 Oct 2016 04:53

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