Cellulose-based monoliths with enhanced surface area and porosity

Prakash Parajuli, Sanjit Acharya, Yang Hu, Noureddine Abidi

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

This study reports on a strategy of using sol–gel and supercritical drying techniques to prepare aerocellulose monoliths with enhanced specific surface area and porosity by adding NaCl particles into the cellulose solution. The addition of 5 wt% of NaCl particles led to increased specific surface area of aerocellulose monoliths (from 114 m2/g to 205 m2/g), as well as their porosity (by ~5%). The aerocellulose monoliths prepared by adding NaCl particles achieved improved porous characteristics, lightweight, lower crystallinity, and better thermal stability, as compared to the control. This study demonstrates the effectiveness of NaCl particles to tune the surface area and the pore characteristics, which provides a facile route to achieve enhanced surface area and improved pore characteristics of aerocellulose monoliths.

Original languageEnglish
Article number48975
JournalJournal of Applied Polymer Science
Volume137
Issue number34
DOIs
StatePublished - Sep 10 2020

Keywords

  • aerocellulose
  • porosity
  • sodium chloride particles
  • specific surface area

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