Synthesis of Cu3(MoO4)2(OH)2 nanostructures by simple aqueous precipitation

understanding the fundamental chemistry and growth mechanism

Basudev Swain, Duk Hee Lee, Jae Ryang Park, Chan Gi Lee, Kun Jae Lee, Dong-Wan Kim, Kyung Soo Park

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Lindgrenite (Cu3(MoO4)2(OH)2) nanoflowers were synthesized through the simplest possible route by an aqueous chemical precipitation technique at room temperature without using any surfactants, template, expensive chemicals, complex instrumentation or tedious multistage synthesis process. Their morphology, structure, thermal properties, surface area, synthesis chemistry, and structural and growth mechanisms involved in the synthesis process were analyzed. Using XRD, FE-SEM, HR-TEM and FT-IR spectroscopy, their structure and morphology were analyzed. The thermal stability, surface area and porosity of the Cu3(MoO4)2(OH)2 nanoflowers were analyzed by TGA and BET. XRD analysis showed that the Cu3(MoO4)2(OH)2 nanoflowers have a pure monoclinic structure. The morphological analysis showed that the Cu3(MoO4)2(OH)2 nanoflowers are ∼10 μm in size, which are formed from self-assembly of thin nanosheets with a thickness of ∼20 nm. TGA indicated that the Cu3(MoO4)2(OH)2 nanoflowers are stable materials up to 328 °C and the isotherm from BET analysis indicated that the Cu3(MoO4)2(OH)2 nanoflowers are non-porous materials. The BET surface area of the synthesized Cu3(MoO4)2(OH)2 nanoflowers was found to be 21.357 m2 g-1. Moreover, the effects of the pH value and reaction time on the morphology of the Cu3(MoO4)2(OH)2 nanoflowers were studied and their optimization was performed. The results of the optimization study indicated that the reaction time and pH are two important parameters influencing the nucleation, growth, morphology, and synthesis mechanism. These flower-shaped Cu3(MoO4)2(OH)2 nanostructures are promising precursors for preparing molybdenum oxide materials which have various applications and can be synthesized in a very simple one-pot reaction system using commonly available chemicals without using a complex route.

Original languageEnglish
Pages (from-to)154-165
Number of pages12
JournalCrystEngComm
Volume19
Issue number1
DOIs
Publication statusPublished - 2017

Fingerprint

Nanoflowers
Nanostructures
chemistry
synthesis
reaction time
synthesis (chemistry)
routes
molybdenum oxides
optimization
self assembly
isotherms
thermal stability
templates
thermodynamic properties
surfactants
nucleation
porosity
Molybdenum oxide
transmission electron microscopy
scanning electron microscopy

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

Cite this

Synthesis of Cu3(MoO4)2(OH)2 nanostructures by simple aqueous precipitation : understanding the fundamental chemistry and growth mechanism. / Swain, Basudev; Lee, Duk Hee; Park, Jae Ryang; Lee, Chan Gi; Lee, Kun Jae; Kim, Dong-Wan; Park, Kyung Soo.

In: CrystEngComm, Vol. 19, No. 1, 2017, p. 154-165.

Research output: Contribution to journalArticle

Swain, Basudev ; Lee, Duk Hee ; Park, Jae Ryang ; Lee, Chan Gi ; Lee, Kun Jae ; Kim, Dong-Wan ; Park, Kyung Soo. / Synthesis of Cu3(MoO4)2(OH)2 nanostructures by simple aqueous precipitation : understanding the fundamental chemistry and growth mechanism. In: CrystEngComm. 2017 ; Vol. 19, No. 1. pp. 154-165.
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abstract = "Lindgrenite (Cu3(MoO4)2(OH)2) nanoflowers were synthesized through the simplest possible route by an aqueous chemical precipitation technique at room temperature without using any surfactants, template, expensive chemicals, complex instrumentation or tedious multistage synthesis process. Their morphology, structure, thermal properties, surface area, synthesis chemistry, and structural and growth mechanisms involved in the synthesis process were analyzed. Using XRD, FE-SEM, HR-TEM and FT-IR spectroscopy, their structure and morphology were analyzed. The thermal stability, surface area and porosity of the Cu3(MoO4)2(OH)2 nanoflowers were analyzed by TGA and BET. XRD analysis showed that the Cu3(MoO4)2(OH)2 nanoflowers have a pure monoclinic structure. The morphological analysis showed that the Cu3(MoO4)2(OH)2 nanoflowers are ∼10 μm in size, which are formed from self-assembly of thin nanosheets with a thickness of ∼20 nm. TGA indicated that the Cu3(MoO4)2(OH)2 nanoflowers are stable materials up to 328 °C and the isotherm from BET analysis indicated that the Cu3(MoO4)2(OH)2 nanoflowers are non-porous materials. The BET surface area of the synthesized Cu3(MoO4)2(OH)2 nanoflowers was found to be 21.357 m2 g-1. Moreover, the effects of the pH value and reaction time on the morphology of the Cu3(MoO4)2(OH)2 nanoflowers were studied and their optimization was performed. The results of the optimization study indicated that the reaction time and pH are two important parameters influencing the nucleation, growth, morphology, and synthesis mechanism. These flower-shaped Cu3(MoO4)2(OH)2 nanostructures are promising precursors for preparing molybdenum oxide materials which have various applications and can be synthesized in a very simple one-pot reaction system using commonly available chemicals without using a complex route.",
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