Conversion of ternary Zn2SnO4 octahedrons into binary mesoporous SnO2 and hollow SnS2 hierarchical octahedrons by template-mediated selective complex extraction

Conversion of ternary Zn2SnO4 octahedrons into binary mesoporous SnO2 and hollow SnS2 hierarchical octahedrons by template-mediated selective complex extraction
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模板介导选择性络合物萃取将三元 Zn2SnO4 八面体转化为二元介孔 SnO2 和空心 SnS2 多级八面体

DOI:
10.1039/c3ta10228a
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发表时间:
2013-04
影响因子:
11.9
通讯作者:
Huang, Shao-Ming
Huang, Shao-Ming
中科院分区:
材料科学2区
文献类型:
--
作者:
Cai, Ping;Ma, De-Kun;Liu, Quan-Cheng;Zhou, Shu-Mei;Chen, Wei;Huang, Shao-Ming

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介孔或中空非球形分级结构的可控合成仍然是一个巨大的挑战。另一方面,多元半导体微晶向具有遗传形貌的二元半导体微晶的转化,至今尚未有人探索。在这里,我们报告,三元Zn2SnO4八面体可以转化为介孔二元SnO2和中空的SnS2分级八面体通过水热萃取。所得SnO2和SnS2的有利结构导致观察到增强的光催化活性。这种新的络合物萃取策略可以推广,从而为合成具有独特中空结构的功能材料开辟了一条新的途径。
The controlled synthesis of mesoporous or hollow nonspherical hierarchical architectures still remains a tremendous challenge. On the other hand, the conversion of multielement semiconducting microcrystals into binary ones with inherited morphology has never been explored until now. Here we report that ternary Zn2SnO4 octahedrons can be converted into mesoporous binary SnO2 and hollow SnS2 hierarchical octahedrons through hydrothermal extraction. The favorable structures of the as-obtained SnO2 and SnS2 leads to the observation of enhanced photocatalytic activities. The new complex-extraction strategy can be generalized and thus open a new avenue for synthesis of functional materials with unique hollow architectures.
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