Raman imaging-assisted customizable assembly of MOFs on cellulose aerogel

Zhanhong Yuan, Dingding Meng, Yingzhu Wu, Guangqing Tang, Ping Liang, John H. Xin, Dongdong Ye

Research output: Journal article publicationJournal articleAcademic researchpeer-review

6 Citations (Scopus)

Abstract

Because of a weak interface-bonding force between metal-organic frameworks (MOFs) and substrates and the loss of customization in structural designs owing to the lack of the regulation of ion sites, MOFs tend to escape from the constructed composite template. In this study, the as-prepared 2,2,6,6-tetramethylpiperidyl-1-oxyl (TEMPO)-oxidized algae cellulose nanofibers (TACFs) were used to chelate metal ions at controllable sites and subsequently firmly entangle the assembled MOF crystals. The distribution of ions and synthesized MOFs inside the gel was monitored using Raman imaging technology, which provided an intuitive approach for visually observing the ions and MOF distribution. Using this technology, the synthesized customizable TACFs@ZIF-67 aerogels exhibited a high specific surface area (734.7 m2/g), low density (6.18 mg/cm3), controlled particle distribution, good underwater structural stability, and excellent adsorption of dyes. This study provides a way for solving the dispersion problem of MOFs in nanofibrous aerogels using Raman imaging technology-assisted microcosmic fixed-point design. [Figure not available: see fulltext.]

Original languageEnglish
Pages (from-to)2599-2607
Number of pages9
JournalNano Research
Volume15
Issue number3
DOIs
Publication statusPublished - Mar 2022

Keywords

  • aerogel
  • cellulose nanofiber
  • ion distribution
  • metal-organic framework
  • Raman imaging

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Materials Science(all)
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

Fingerprint

Dive into the research topics of 'Raman imaging-assisted customizable assembly of MOFs on cellulose aerogel'. Together they form a unique fingerprint.

Cite this