Continuous hydrothermal synthesis of extensive 2D sodium titanate (Na2Ti3O7) nano-sheets

被引：77
|
作者：
Zhang, Zhice [1 ,2 ]
Goodall, Josephine B. M. [1 ]
Brown, Sonal [1 ]
Karlsson, Lisa [3 ]
Clark, Robin J. H. [1 ]
Hutchison, John L. [3 ]
Rehman, I. U. [2 ]
Darr, Jawwad A. [1 ]
机构：
[1] UCL, Dept Chem, Christopher Ingold Labs, London WC1H 0AJ, England
[2] Queen Mary Univ London, Sch Mat Sci & Engn, London E1 4NS, England
[3] Univ Oxford, Dept Mat, Oxford OX1 3PH, England
来源：
DALTON TRANSACTIONS | 2010年 / 39卷 / 03期
基金：
英国工程与自然科学研究理事会;
关键词：
PHOTOCATALYTIC ACTIVITY; THERMAL-STABILITY; METHYLENE-BLUE; NANOTUBES; ION; NANOPARTICLES; TEMPERATURE; BEHAVIOR;
D O I：
10.1039/b915699b
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
A novel and rapid and continuous hydrothermal route to the synthesis of extensive ultra-thin 2D sodium titanate (Na2Ti3O7) nano-sheets using a superheated water flow at 450 degrees C and 24.1 MPa as a crystallizing medium is described. High resolution electron microscopy of the sheets revealed that they were a few layers thick and largely uncurled, highly crystalline despite their very short time under hydrothermal flow conditions. The sodium titanate sheets possessed excellent photocatalytic activity for decolourisation of methylene blue dye.
引用
收藏
页码：711 / 714
页数：4
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