Green synthesis of mesoporous flower-like TiO2/graphite nanosheets (TGNS) prepared by high-pressure homogenization (HPH)

Wei Qiushi; Chen Jiewei; Xue Feng; Ding Enyong

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Green synthesis of mesoporous flower-like TiO2/graphite nanosheets (TGNS) prepared by high-pressure homogenization (HPH)

机译：通过高压均质化（HPH）制备的介孔花样TiO2 /石墨纳米片（TGN）的绿色合成

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A facile and green method is developed to prepare mesoporous TiO2/graphite nanosheets composite (TGNS) that possesses uniform flower-like TiO2 particles, high surface area of 337.22 m(2) g(-1) and a high photocatalytic ability in the visible-light region due to the better surface integrity of graphite nanosheets (GNS) compared to rGO, which accelerates the optoelectronic transmission and prohibits the recombination of the optoelectron and hole (h(+)), this composite shows excellent near-infrared absorption. The TGNS composite with irregular defects on the edges was prepared using GNS via an environment-friendly physical process-high-pressure homogenization (HPH). Moreover, taking advantage of the broken edges brought on by HPH as starting active points paves a new way for the TiO2 crystal formation on carbon materials. Hence, TiO2 particles can spread uniformly on the GNS.

机译：开发了一种容易和绿色的方法，用于制备具有均匀的花状TiO 2颗粒的介孔TiO2 /石墨纳米蛋白酶复合（TGN），高表面积为337.22m（2）g（-1）和高光催化能力 - 与RGO相比，Graphite Nanosheets（GNS）的表面完整性更好的光区域，其加速了光电传递并禁止光电子和孔的重组（H（+）），该复合材料显示出优异的近红外吸收。使用GNS通过环境友好的物理过程高压均质化（HPH）使用GNS制备具有边缘不规则缺陷的TGNS复合材料。此外，利用HPH作为起始活性点的破碎边缘铺平了碳材料上TiO2晶体形成的新方法。因此，TiO2颗粒可以在GNS上均匀地分布。

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《New Journal of Chemistry》 |2018年第3期|共8页
作者
Wei Qiushi; Chen Jiewei; Xue Feng; Ding Enyong;
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South China Univ Technol Sch Mat Sci &

Engn Guangzhou 510640 Guangdong Peoples R China;

South China Univ Technol Sch Mat Sci &

Engn Guangzhou 510640 Guangdong Peoples R China;

South China Univ Technol Sch Mat Sci &

Engn Guangzhou 510640 Guangdong Peoples R China;

South China Univ Technol Sch Mat Sci &

Engn Guangzhou 510640 Guangdong Peoples R China;

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正文语种 eng
中图分类化学;
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机译：通过高压均质化（HPH）制备的介孔花样TiO2 /石墨纳米片（TGN）的绿色合成
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Green synthesis of mesoporous flower-like TiO2/graphite nanosheets (TGNS) prepared by high-pressure homogenization (HPH)

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