Sacrificial Template Synthesis and Photothermal Conversion Enhancements of Hierarchical and Hollow CuInS2 Microspheres
Sacrificial Template Synthesis and Photothermal Conversion Enhancements of Hierarchical and Hollow CuInS2 Microspheres
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多级空心 CuInS2 微球的牺牲模板合成及光热转换增强
DOI：
10.1021/jp400806k
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发表时间：
2013-04
影响因子：
3.7
通讯作者：
Zhu, Haitao
中科院分区：
文献类型：
--
作者：
Duan, Jinfeng;Zhang, Canying;Guo, Kai;Zhu, Haitao
分别以实心CuS微球和空心CuS微球为牺牲模板，在牺牲模板的基础上合成了分级CuInS2微球和空心CuInS2微球。以N，N-二甲基甲酰胺为溶剂和还原剂，在180℃下反应24 h，可实现CuS固体微球向CuInS2分级微球和CuS中空微球的转化。对产物进行了表征，并对其形成机理进行了探讨。合成产物除了在400~800 nm有正常吸收外，还在1000~2000 nm有较强的光吸收，这在文献中尚未见报道。所合成的产物在1064 nm激光照射下表现出显著的光热转化效应。当激光功率为0.05W·cm-2时，含有0.1wt%CuInS2中空微球和分级微球的水悬浮液的光热转化率分别提高了30%和20%。
Hierarchical and hollow CuInS2 microspheres are synthesized on the basis of sacrificial templates with solid and hollow CuS microspheres as sacrificial templates, respectively. Transformations from CuS solid microspheres to CuInS2 hierarchical microspheres and CuS hollow microspheres to CuInS2 hollow microspheres can be achieved by a solvothermal process at 180 °C for 24 h with N,N-dimethylformamide as both solvent and reductant. The products are well characterized, and the formation mechanisms are proposed. The as-synthesized products have strong optical absorption from 1000 to 2000 nm in addition to normal absorption from 400 to 800 nm, which has not be reported in the literature. The as-synthesized products exhibit a significant photothermal conversion effect under an irradiation of a 1064 nm laser. At a laser power of 0.05 W·cm–2, up to 30% and 20% enhancement of photothermal conversion is observed in the aqueous suspension containing 0.1 wt % CuInS2 hollow microspheres and hierarchical microspheres, ...
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影响因子：
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作者：
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发表时间：
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期刊：
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