Preparation of LiNbO3 nanoparticles using poly(l-lysine) as a biomolecular additive

Youngjoon Lim, Sangyup Lee

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

The effects of poly(l-lysine) as a biomolecular additive on the synthesis of LiNbO3 were investigated. PLL is a widely-studied biomolecule containing amino groups that can interact with solid inorganic clusters. The addition of PLL to a LiNbO3 precursor solution enhanced the aggregation of the produced LiNbO3 nanoparticles. This aggregation was induced by the electrical attraction of PLL with LiNbO3 nanoparticles, and was enhanced with increasing PLL molecular weight. Furthermore, the association of PLL with LiNbO3 nanoparticles was increased by the addition of methanol, which enhanced the miscibility of PLL with the precursor solution working as a co-solvent. The LiNbO3 nanoparticles generated with PLL exhibited piezoelectric properties without post-thermal treatment, suggesting that PLL contributes to the piezoelectricity. The results of this study are intriguing in terms of the potential for diverse engineering nanomaterials synthesis through a biomolecule that can also improve the physicochemical properties.

Original languageEnglish
Pages (from-to)92-97
Number of pages6
JournalMaterials Chemistry and Physics
Volume144
Issue number1-2
DOIs
Publication statusPublished - 2014 Mar 14

Fingerprint

lysine
Phase locked loops
Lysine
Nanoparticles
nanoparticles
preparation
piezoelectricity
Biomolecules
synthesis
attraction
molecular weight
Agglomeration
solubility
methyl alcohol
engineering
Piezoelectricity
lithium niobate
Nanostructured materials
Methanol
Solubility

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics

Cite this

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abstract = "The effects of poly(l-lysine) as a biomolecular additive on the synthesis of LiNbO3 were investigated. PLL is a widely-studied biomolecule containing amino groups that can interact with solid inorganic clusters. The addition of PLL to a LiNbO3 precursor solution enhanced the aggregation of the produced LiNbO3 nanoparticles. This aggregation was induced by the electrical attraction of PLL with LiNbO3 nanoparticles, and was enhanced with increasing PLL molecular weight. Furthermore, the association of PLL with LiNbO3 nanoparticles was increased by the addition of methanol, which enhanced the miscibility of PLL with the precursor solution working as a co-solvent. The LiNbO3 nanoparticles generated with PLL exhibited piezoelectric properties without post-thermal treatment, suggesting that PLL contributes to the piezoelectricity. The results of this study are intriguing in terms of the potential for diverse engineering nanomaterials synthesis through a biomolecule that can also improve the physicochemical properties.",
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Preparation of LiNbO3 nanoparticles using poly(l-lysine) as a biomolecular additive. / Lim, Youngjoon; Lee, Sangyup.

In: Materials Chemistry and Physics, Vol. 144, No. 1-2, 14.03.2014, p. 92-97.

Research output: Contribution to journalArticle

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AU - Lee, Sangyup

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AB - The effects of poly(l-lysine) as a biomolecular additive on the synthesis of LiNbO3 were investigated. PLL is a widely-studied biomolecule containing amino groups that can interact with solid inorganic clusters. The addition of PLL to a LiNbO3 precursor solution enhanced the aggregation of the produced LiNbO3 nanoparticles. This aggregation was induced by the electrical attraction of PLL with LiNbO3 nanoparticles, and was enhanced with increasing PLL molecular weight. Furthermore, the association of PLL with LiNbO3 nanoparticles was increased by the addition of methanol, which enhanced the miscibility of PLL with the precursor solution working as a co-solvent. The LiNbO3 nanoparticles generated with PLL exhibited piezoelectric properties without post-thermal treatment, suggesting that PLL contributes to the piezoelectricity. The results of this study are intriguing in terms of the potential for diverse engineering nanomaterials synthesis through a biomolecule that can also improve the physicochemical properties.

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