Microwave-assisted synthesis of flower-like β-FeSe microstructures

被引：23

作者：

Li, Mao-Lin ^{[1
]}

Yao, Qi-Zhi ^{[2
]}

Zhou, Gen-Tao ^{[1
]}

Fu, Sheng-Quan ^{[3
]}

机构：

[1] Univ Sci & Technol China, Sch Earth & Space Sci, CAS Key Lab Crust Mantle Mat & Environm, Hefei 230026, Peoples R China

[2] Univ Sci & Technol China, Sch Chem & Mat, Hefei 230026, Peoples R China

[3] Univ Sci & Technol China, Hefei Natl Lab Phys Sci Microscale, Hefei 230026, Peoples R China

来源：

CRYSTENGCOMM | 2010年 / 12卷 / 10期

关键词：

CONTROLLED BULK SYNTHESIS; HYDROTHERMAL SYNTHESIS; GROWTH-MECHANISM; SOLUTION-PHASE; POLYOL-PROCESS; NANOWIRES; NANOPARTICLES; NANOCRYSTALS; SELENIUM; MICROARCHITECTURES;

D O I：

10.1039/b926403e

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Flower-like tetragonal iron selenide (beta-FeSe) microstructures assembled from nanoplates have been successfully prepared using Se powder and FeCl3 center dot 6H(2)O as elemental precursors in the basic 1,2-propylene glycol (1,2-PG) solvent system by microwave irradiation for 1 h. The product was characterized by means of X-ray diffraction spectroscopy (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), selected area electron diffraction (SAED), and energy-dispersive X-ray spectroscopy (EDX). The reaction mechanism and assembly process of the flower-like beta-FeSe microstructures have been investigated and discussed, and a novel Se disproportionation-based reaction mechanism was proposed for the microwave-assisted synthesis of flower-like beta-FeSe microstructures. In addition, ethylene glycol (EG) was also used as the reaction medium to investigate the influence of the different polyols on the size and structure of the product.

引用

页码：3138 / 3144

页数：7

共 58 条

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