Synthesis of layered organic–inorganic nanohybrid zinc–aluminium-2-(4-chlorophenoxy)-2-methyl propionic acid with controlled release properties

S. H. Sarijo, A. Ahmad, S. M.N. Muhsin, Zaemah Jubri @ Mohd Zufri

Research output: Contribution to journalArticle

Abstract

A plant growth regulator, 2-(4-chlorophenoxy)-2-methyl propionic acid (CFA), was successfully intercalated into zinc–aluminium layered double hydroxide (ZAL) forming a new nanohybrid composite, zinc–aluminium-2-(4-chlorophenoxy)-2-methylpropionate layered double hydroxide (ZAC). Well-crystallized nanohybrid composite was obtained when the material was synthesized with zinc to aluminium molar ratio, R = 4 and 0.2 M CFA. Due to the intercalation of CFA, basal spacing expanded from 8.9 Å in the ZAL to 21.4 Å in the ZAC. The FTIR spectra of the ZAC nanohybrid composite show resemblance peaks of the ZAL and CFA indicating the inclusion of the organic compound into the LDH interlamellae. The loading percentage of CFA is 40.0% (w/w) calculated based on the percentage of carbon in the sample. The BET surface area increased from 1.0 to 70.0 m 2  g −1 due to the inclusion of CFA into the ZAL interlamellae and associated expansion of the layered structure. Release of CFA from the ZAL interlayer was found to be dependent on the affinity of the incoming anion, in the order of phosphate > sulfate > nitrate with the percentage saturated release of 74, 54, and 42%, respectively. This study indicates the potential application of zinc–aluminium-layered double hydroxide as a host for plant growth regulator, CFA, with controlled release capability.

Original languageEnglish
Pages (from-to)41-50
Number of pages10
JournalJournal of Porous Materials
Volume26
Issue number1
DOIs
Publication statusPublished - 15 Feb 2019

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Propionic acid
Plant Growth Regulators
Composite materials
Intercalation
Aluminum
Organic compounds
Nitrates
Sulfates
Anions
Zinc
Phosphates
Negative ions
Carbon
propionic acid
hydroxide ion

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

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title = "Synthesis of layered organic–inorganic nanohybrid zinc–aluminium-2-(4-chlorophenoxy)-2-methyl propionic acid with controlled release properties",
abstract = "A plant growth regulator, 2-(4-chlorophenoxy)-2-methyl propionic acid (CFA), was successfully intercalated into zinc–aluminium layered double hydroxide (ZAL) forming a new nanohybrid composite, zinc–aluminium-2-(4-chlorophenoxy)-2-methylpropionate layered double hydroxide (ZAC). Well-crystallized nanohybrid composite was obtained when the material was synthesized with zinc to aluminium molar ratio, R = 4 and 0.2 M CFA. Due to the intercalation of CFA, basal spacing expanded from 8.9 {\AA} in the ZAL to 21.4 {\AA} in the ZAC. The FTIR spectra of the ZAC nanohybrid composite show resemblance peaks of the ZAL and CFA indicating the inclusion of the organic compound into the LDH interlamellae. The loading percentage of CFA is 40.0{\%} (w/w) calculated based on the percentage of carbon in the sample. The BET surface area increased from 1.0 to 70.0 m 2  g −1 due to the inclusion of CFA into the ZAL interlamellae and associated expansion of the layered structure. Release of CFA from the ZAL interlayer was found to be dependent on the affinity of the incoming anion, in the order of phosphate > sulfate > nitrate with the percentage saturated release of 74, 54, and 42{\%}, respectively. This study indicates the potential application of zinc–aluminium-layered double hydroxide as a host for plant growth regulator, CFA, with controlled release capability.",
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Synthesis of layered organic–inorganic nanohybrid zinc–aluminium-2-(4-chlorophenoxy)-2-methyl propionic acid with controlled release properties. / Sarijo, S. H.; Ahmad, A.; Muhsin, S. M.N.; Jubri @ Mohd Zufri, Zaemah.

In: Journal of Porous Materials, Vol. 26, No. 1, 15.02.2019, p. 41-50.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Synthesis of layered organic–inorganic nanohybrid zinc–aluminium-2-(4-chlorophenoxy)-2-methyl propionic acid with controlled release properties

AU - Sarijo, S. H.

AU - Ahmad, A.

AU - Muhsin, S. M.N.

AU - Jubri @ Mohd Zufri, Zaemah

PY - 2019/2/15

Y1 - 2019/2/15

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