Kinetics of transformation on ZIF-67 crystals

被引：80

作者：

Feng, Xuhui ^{[1
]}

Carreon, Moises A. ^{[1
]}

机构：

[1] Colorado Sch Mines, Dept Chem & Biol Engn, Golden, CO 80401 USA

来源：

JOURNAL OF CRYSTAL GROWTH | 2015年 / 418卷

基金：

美国国家科学基金会;

关键词：

Growth models; Nucleation; X-ray diffraction; Growth front solutions; ZEOLITIC-IMIDAZOLATE FRAMEWORK; MOLECULAR-SIEVE MEMBRANE; METAL-ORGANIC FRAMEWORK; CAPTURE PROPERTIES; PHASE-CHANGE; CO2; CAPTURE; SEPARATION; NANOCRYSTALS; CARBONATE; GROWTH;

D O I：

10.1016/j.jcrysgro.2015.02.064

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

Herein we report the structural evolution of ZIF-67 as a function of time at room temperature. We have identified the different stages of ZIF-67 formation (nucleation, crystallization, growth, and steady state periods) and elucidated its kinetics of transformation. It was found that the nucleation and growth of ZIF-67 crystals followed the classic Avrami's kinetics. Fundamental studies on the kinetics of formation of porous crystals demonstrated here should facilitate the preparation of MOF phases with controlled crystal size and extent of crystallinity. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：158 / 162

页数：5

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