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

Haiyang Xian | Zendy; Jianxi Zhu | Zendy; Hongmei Tang | Zendy; Xiaoliang Liang | Zendy; Hongping He | Zendy; Yunfei Xi | Zendy

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

Author(s) -

Haiyang Xian,

Jianxi Zhu,

Hongmei Tang,

Xiaoliang Liang,

Hongping He,

Yunfei Xi

Publication year - 2016

Publication title -

crystengcomm

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.813

H-Index - 132

ISSN - 1466-8033

DOI - 10.1039/c6ce01692h

Subject(s) - ostwald ripening , pyrite , nucleation , materials science , chemical engineering , polyol , nanotechnology , electrocatalyst , crystal growth , chemistry , crystallography , metallurgy , electrochemistry , electrode , composite material , organic chemistry , polyurethane , engineering

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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