Jump to main content
Jump to site search

Issue 6, 2018
Previous Article Next Article

A simple and novel protocol for Li-trapping with a POM/MOF nano-composite as a new adsorbent for CO2 uptake

Author affiliations

Abstract

In the present article, a convenient and novel procedure for lithium ion-trapping over a polyoxometalate/metal organic framework nano-composite to synthesize a new class of porous composite materials for carbon capturing has been demonstrated. For this purpose, the successful interaction of zeolitic imidazolate framework-8 (ZIF-8) with a water-soluble Keplerate-type polyoxometalate ({Mo132}) is accomplished and a POM/ZIF-8 nano-composite material (ZIF-8@{Mo132}) is achieved. The POM/ZIF-8 nano-composite enables the uptake of lithium functional groups (Li+ cations) due to the existence of {Mo132} in its structure. As a result of interactions between ZIF-8@{Mo132} and an organolithium compound, a Li-trapped POM/ZIF-8 nano-composite material (ZIF-8@{Mo132}@Li+) is readily obtained. In particular, the ZIF-8@{Mo132}@Li+ nano-composite displays a surprising enhancement in CO2 adsorption capacity, the most significant greenhouse gas. The CO2 uptake of ZIF-8@{Mo132}@Li+ is around 26.40 wt%, while the capacity of pristine ZIF-8 is only around 4 wt%. The presence of lithium cations inside and on the surface of the as-synthesized nano-composite plays a key role in the enhancement of CO2 storage.

Graphical abstract: A simple and novel protocol for Li-trapping with a POM/MOF nano-composite as a new adsorbent for CO2 uptake

Back to tab navigation

Supplementary files

Publication details

The article was received on 16 Jan 2018, accepted on 15 Feb 2018 and first published on 15 Feb 2018


Article type: Paper
DOI: 10.1039/C8NJ00274F
Citation: New J. Chem., 2018,42, 4639-4645
  •   Request permissions

    A simple and novel protocol for Li-trapping with a POM/MOF nano-composite as a new adsorbent for CO2 uptake

    M. Ghahramaninezhad, B. Soleimani and M. Niknam Shahrak, New J. Chem., 2018, 42, 4639
    DOI: 10.1039/C8NJ00274F

Search articles by author

Spotlight

Advertisements