Polyaniline-modified nanocellulose prepared from Semantan bamboo by chemical polymerization

Preparation and characterization

Rawaida Liyana Razalli, Mahnaz M. Abdi, Paridah M. Tahir, Amin Moradbak, Yusran Sulaiman, Yook Heng Lee

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Crystalline nanocellulose was prepared from Semantan bamboo (Gigantochloa scortechinii) via acid hydrolysis and was used to synthesize a nanocomposite of polyaniline/crystalline nanocellulose (PANi/CNC) via in situ oxidative polymerization of aniline in the presence of crystalline nanocellulose. The electrochemical properties of the nanocomposite were studied using a modified PANi/CNC electrode via cyclic voltammetry, and higher current response was observed for the PANi/CNC-modified electrode compared to that for the modified electrode with PANi. The results obtained from EIS displayed lower value of Rct for the PANi/CNC-modified electrode, indicating that the incorporation of CNC into the PANi structure could enhance the electron transfer rate. The characteristic peaks of PANi and CNC were observed in the FTIR spectra of the nanocomposite, indicating the incorporation of CNC inside the nanocomposite structure. Moreover, in the XRD diffractogram, lower crystallinity was observed at the 2 theta values of 22.6 and 16.1 for PANi/CNC compared to that for pure CNC. The FESEM images showed high porosity of the nanostructure with no phase separation, revealing the homogenous polymerization of the monomer on the surface of the crystalline cellulose. Aggregation of PANi particles was observed with the increasing aniline concentration.

Original languageEnglish
Pages (from-to)25191-25198
Number of pages8
JournalRSC Advances
Volume7
Issue number41
DOIs
Publication statusPublished - 2017

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Bamboo
Polyaniline
Polymerization
Crystalline materials
Nanocomposites
Electrodes
Aniline
polyaniline
Electrochemical properties
Cellulose
Phase separation
Cyclic voltammetry
Hydrolysis
Nanostructures
Agglomeration
Porosity
Monomers
Acids
Electrons

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)

Cite this

Polyaniline-modified nanocellulose prepared from Semantan bamboo by chemical polymerization : Preparation and characterization. / Razalli, Rawaida Liyana; Abdi, Mahnaz M.; Tahir, Paridah M.; Moradbak, Amin; Sulaiman, Yusran; Lee, Yook Heng.

In: RSC Advances, Vol. 7, No. 41, 2017, p. 25191-25198.

Research output: Contribution to journalArticle

Razalli, Rawaida Liyana ; Abdi, Mahnaz M. ; Tahir, Paridah M. ; Moradbak, Amin ; Sulaiman, Yusran ; Lee, Yook Heng. / Polyaniline-modified nanocellulose prepared from Semantan bamboo by chemical polymerization : Preparation and characterization. In: RSC Advances. 2017 ; Vol. 7, No. 41. pp. 25191-25198.
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