caa a22 4500 445303670 CHVBK 20180317142605.0 cr unu---uuuuu 170323e20100401xx s 000 0 eng 10.1007/s12274-010-1026-0 doi (NATIONALLICENCE)springer-10.1007/s12274-010-1026-0 Shape-controlled synthesis of Mn3O4 nanocrystals and their catalysis of the degradation of methylene blue [Elektronische Daten] [Pengqu Zhang, Yonggong Zhan, Bingxin Cai, Chenchun Hao, Jun Wang, Chunxiao Liu, Zhoujun Meng, Zhoulan Yin, Qiyuan Chen] Various sizes and shapes of Mn3O4 nanocrystals have been prepared in a one-pot synthesis in extremely dilute solution by soft template self-assembly. To better control size and shape, the effects of varying the growth time, reaction temperature, surfactant, and manganese source were examined. The average size of octahedral Mn3O4 crystallites was found to be related to the reaction time, while higher reaction temperature (150 °C) and the use of a cetyltrimethylammonium bromide/poly(vinylpyrrolidone) (CTAB/PVP) mixture allowed construction of a better-defined octahedral morphologies. When PVP or poly(ethylene oxide)-poly(propylene oxide) (P123) was used as template, large-scale agglomeration resulting in loss of the octahedral morphology occurred and crystallites with a quasi-spherical shape were obtained. The nano-octahedral crystallites were shown to be an efficient catalyst for the oxidation of methylene blue. Tsinghua University Press and Springer-Verlag Berlin Heidelberg, 2010 Mn3O4 nationallicence octahedron nationallicence nanocrystals nationallicence self-assembly nationallicence methylene blue nationallicence Zhang Pengqu College of Chemistry and Chemical Engineering, Hunan University, 410082, Changsha, China aut Zhan Yonggong College of Chemistry and Chemical Engineering, Hunan University, 410082, Changsha, China aut Cai Bingxin College of Chemistry and Chemical Engineering, Hunan University, 410082, Changsha, China aut Hao Chenchun College of Chemistry and Chemical Engineering, Hunan University, 410082, Changsha, China aut Wang Jun College of Chemistry and Chemical Engineering, Hunan University, 410082, Changsha, China aut Liu Chunxiao College of Chemistry and Chemical Engineering, Hunan University, 410082, Changsha, China aut Meng Zhoujun College of Chemistry and Chemical Engineering, Hunan University, 410082, Changsha, China aut Yin Zhoulan College of Chemistry and Chemical Engineering, Central South University, 410083, Changsha, China aut Chen Qiyuan College of Chemistry and Chemical Engineering, Central South University, 410083, Changsha, China aut Nano Research Tsinghua Press 3/4(2010-04-01), 235-243 1998-0124 3:4<235 2010 3 12274 https://doi.org/10.1007/s12274-010-1026-0 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s12274-010-1026-0 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Zhang Pengqu College of Chemistry and Chemical Engineering, Hunan University, 410082, Changsha, China aut NATIONALLICENCE 700 1- Zhan Yonggong College of Chemistry and Chemical Engineering, Hunan University, 410082, Changsha, China aut NATIONALLICENCE 700 1- Cai Bingxin College of Chemistry and Chemical Engineering, Hunan University, 410082, Changsha, China aut NATIONALLICENCE 700 1- Hao Chenchun College of Chemistry and Chemical Engineering, Hunan University, 410082, Changsha, China aut NATIONALLICENCE 700 1- Wang Jun College of Chemistry and Chemical Engineering, Hunan University, 410082, Changsha, China aut NATIONALLICENCE 700 1- Liu Chunxiao College of Chemistry and Chemical Engineering, Hunan University, 410082, Changsha, China aut NATIONALLICENCE 700 1- Meng Zhoujun College of Chemistry and Chemical Engineering, Hunan University, 410082, Changsha, China aut NATIONALLICENCE 700 1- Yin Zhoulan College of Chemistry and Chemical Engineering, Central South University, 410083, Changsha, China aut NATIONALLICENCE 700 1- Chen Qiyuan College of Chemistry and Chemical Engineering, Central South University, 410083, Changsha, China aut NATIONALLICENCE 773 0- Nano Research Tsinghua Press 3/4(2010-04-01), 235-243 1998-0124 3:4<235 2010 3 12274 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer