文献类型：期刊文献

英文题名：A template-free synthesis of mesoporous SrTiO3 single crystals

作者：Zhu, Ji Ping[1];Wu, Xue Feng[1];Yang, Xiao Hua[1];Liu, Peng Fei[1];Dai, Sheng[2];Yang, Hua Gui[1]

机构：[1]East China Univ Sci & Technol, Shanghai Engn Res Ctr Hierarch Nanomat, Sch Mat Sci & Engn, Key Lab Ultrafine Mat,Minist Educ, 130 Meilong Rd, Shanghai 200237, Peoples R China;[2]East China Univ Sci & Technol, Key Lab Adv Mat & Feringa Nobel Prize Sci Joint R, Inst Fine Chem, Sch Chem & Mol Engn, 130 Meilong Rd, Shanghai 200237, Peoples R China

年份：2021

卷号：23

期号：33

起止页码：5595

外文期刊名：CRYSTENGCOMM

收录：;EI(收录号：20213510825940);WOS:【SCI-EXPANDED(收录号:WOS:000679464200001)】；

基金：This work was financially supported by the International (Regional) Cooperation and Exchange Projects of the National Natural Science Foundation of China (51920105003), the National Natural Science Funds for Distinguished Young Scholars (51725201), the Innovation Program of Shanghai Municipal Education Commission (E00014), and the Shanghai Engineering Research Center of Hierarchical Nanomaterials (18DZ2252400). The authors also thank the Frontiers Science Center for Materiobiology and Dynamic Chemistry. S. D. acknowledges the support by Shanghai Rising-star Program (20QA1402400) and the Program for Professor of Special Appointment (Eastern Scholar) at Shanghai Institutions of Higher Learning. Additional support was provided by the Feringa Nobel Prize Scientist Joint Research Center.

语种：英文

外文关键词：Strontium titanates - Single crystals - Mesoporous materials - Titanium compounds

摘要：Mesoporous single crystals have attracted considerable attention owing to their wide applications in (photo)catalysis, photovoltaics, and numerous other electrical energy conversion and storage technologies. Here, by using low-valent Ti3+ precursors, we have successfully synthesized well-defined mesoporous single-crystal strontium titanate (MSC SrTiO3) without a template via a facile hydrothermal method. The BET surface area and average pore diameter of MSC SrTiO3 are 18.6 m(2) g(-1) and 22 nm, respectively. Moreover, the as-synthesized MSC SrTiO3 features abundant oxygen vacancies. By using time-dependent structural and morphological characterizations, a hypothetical crystal growth mechanism was proposed.