Exploratory study of heterocyclic nitrogen-based ionic liquids as supramolecular structure-directing agents in zeolite synthesis.

Loading...
Thumbnail Image
Date
2017
Authors
Eng Poh, Ng
Journal Title
Journal ISSN
Volume Title
Publisher
Abstract
This project reported the synthesis of novel heterocyclic nitrogen-based ionic liquid molecules as novel structure-directing agents (SDAs) in the synthesis uf zeulite microporous materials. The first part of this project discussed about the synthesis of several types of heterocyclic nitrogen-based SDAs. The prepared SDAs were then characterized using IR, IH NMR, TG/DTG and CHN analyses. The experiment was then followed by the formation study of iron-containing AIPO-5 crystals in the presence of phosphorous acid (H3P03) by using imidazolium-based SDA ([bdmim ]el) under ionothermal condition. The formation process of FeAPO-5 during the ionothermal synthesis was monitored by microscopic and spectroscopic methods. The roles of Fe3+ and H3POJ in the formation of the FeAPO-5 framework were investigated. Possible mechanism for the growth of FeAPO-5 crystals was proposed based on the experimental results.
Description
Keywords
heterocyclic nitrogen , liquid molecules , structure , directing
Citation