Analysis of growth kinetics and impact of NH3 on the morphology evolution of hexagonal-prism shaped Y4O(OH)9NO3/Y2O3 single crystals

Sudeshna Ray; Govind B. Nair; S. J. Dhoble; H. Kato; Masato Kakihana; Teng Ming Chen

doi:10.1016/j.materresbull.2017.07.033

Analysis of growth kinetics and impact of NH₃ on the morphology evolution of hexagonal-prism shaped Y₄O(OH)₉NO₃/Y₂O₃ single crystals

Sudeshna Ray, Govind B. Nair, S. J. Dhoble, H. Kato, Masato Kakihana, Teng Ming Chen

Center for Exploration of New Inorganic Materials

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

The effect of NH₃ on the morphology evolution of single crystalline hexagonal-prism like Y₄O(OH)₉NO₃ and Y₂O₃ has been systematically investigated, as a function of reaction time, by using a combination of powder X-ray diffraction (XRD) and scanning electron microscopy (SEM). Rational control over the morphology has been achieved by the choice of suitable electrolytes like NaNO₃, KNO₃, NH₄NO₃, KCl and NH₄Cl in the presence of NH₄OH. We report that the cross-sectional geometry of hydrothermally grown one-dimensional Y₄O(OH)₉NO₃ crystals can be tuned from spherical to hexagonal-prism like shape by introducing a particular reagent like NH₄NO₃ in the presence of NH₄OH. An ‘oriented attachment’ mediated growth process takes place along with the ‘dissolution-recrystallization’ route which eventually resulted in the generation of the single crystals with hexagonal-prism like morphology.

Original language	English
Pages (from-to)	597-606
Number of pages	10
Journal	Materials Research Bulletin
Volume	95
DOIs	https://doi.org/10.1016/j.materresbull.2017.07.033
Publication status	Published - 2017 Nov

Keywords

Ammonia
Dissolution recrystallization
Electrolytes
Hexagonal-prism

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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@article{5a7df3d1653d4574bd3692f1c4674732,

title = "Analysis of growth kinetics and impact of NH3 on the morphology evolution of hexagonal-prism shaped Y4O(OH)9NO3/Y2O3 single crystals",

abstract = "The effect of NH3 on the morphology evolution of single crystalline hexagonal-prism like Y4O(OH)9NO3 and Y2O3 has been systematically investigated, as a function of reaction time, by using a combination of powder X-ray diffraction (XRD) and scanning electron microscopy (SEM). Rational control over the morphology has been achieved by the choice of suitable electrolytes like NaNO3, KNO3, NH4NO3, KCl and NH4Cl in the presence of NH4OH. We report that the cross-sectional geometry of hydrothermally grown one-dimensional Y4O(OH)9NO3 crystals can be tuned from spherical to hexagonal-prism like shape by introducing a particular reagent like NH4NO3 in the presence of NH4OH. An {\textquoteleft}oriented attachment{\textquoteright} mediated growth process takes place along with the {\textquoteleft}dissolution-recrystallization{\textquoteright} route which eventually resulted in the generation of the single crystals with hexagonal-prism like morphology.",

keywords = "Ammonia, Dissolution recrystallization, Electrolytes, Hexagonal-prism",

author = "Sudeshna Ray and Nair, {Govind B.} and Dhoble, {S. J.} and H. Kato and Masato Kakihana and Chen, {Teng Ming}",

note = "Funding Information: This research was supported by a Grant-in-Aid for Scientific Research on Innovative Areas of “Fusion Materials: Creative Development of Materials and Exploration of Their Function through Molecular Control” from the Ministry of Education, Culture, Sports, Science and Technology , Japan and NSC101-2113-M-009-021-MY3 (T.-M. C.). One of the authors [GBN] acknowledges the Department of Science and Technology (DST), New Delhi, INDIA for financial assistance under INSPIRE Fellowship programme with registration number IF150675. Publisher Copyright: {\textcopyright} 2017 Elsevier Ltd",

year = "2017",

month = nov,

doi = "10.1016/j.materresbull.2017.07.033",

language = "English",

volume = "95",

pages = "597--606",

journal = "Materials Research Bulletin",

issn = "0025-5408",

publisher = "Elsevier Limited",

}

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T1 - Analysis of growth kinetics and impact of NH3 on the morphology evolution of hexagonal-prism shaped Y4O(OH)9NO3/Y2O3 single crystals

AU - Ray, Sudeshna

AU - Nair, Govind B.

AU - Dhoble, S. J.

AU - Kato, H.

AU - Kakihana, Masato

AU - Chen, Teng Ming

N1 - Funding Information: This research was supported by a Grant-in-Aid for Scientific Research on Innovative Areas of “Fusion Materials: Creative Development of Materials and Exploration of Their Function through Molecular Control” from the Ministry of Education, Culture, Sports, Science and Technology , Japan and NSC101-2113-M-009-021-MY3 (T.-M. C.). One of the authors [GBN] acknowledges the Department of Science and Technology (DST), New Delhi, INDIA for financial assistance under INSPIRE Fellowship programme with registration number IF150675. Publisher Copyright: © 2017 Elsevier Ltd

PY - 2017/11

Y1 - 2017/11

N2 - The effect of NH3 on the morphology evolution of single crystalline hexagonal-prism like Y4O(OH)9NO3 and Y2O3 has been systematically investigated, as a function of reaction time, by using a combination of powder X-ray diffraction (XRD) and scanning electron microscopy (SEM). Rational control over the morphology has been achieved by the choice of suitable electrolytes like NaNO3, KNO3, NH4NO3, KCl and NH4Cl in the presence of NH4OH. We report that the cross-sectional geometry of hydrothermally grown one-dimensional Y4O(OH)9NO3 crystals can be tuned from spherical to hexagonal-prism like shape by introducing a particular reagent like NH4NO3 in the presence of NH4OH. An ‘oriented attachment’ mediated growth process takes place along with the ‘dissolution-recrystallization’ route which eventually resulted in the generation of the single crystals with hexagonal-prism like morphology.

AB - The effect of NH3 on the morphology evolution of single crystalline hexagonal-prism like Y4O(OH)9NO3 and Y2O3 has been systematically investigated, as a function of reaction time, by using a combination of powder X-ray diffraction (XRD) and scanning electron microscopy (SEM). Rational control over the morphology has been achieved by the choice of suitable electrolytes like NaNO3, KNO3, NH4NO3, KCl and NH4Cl in the presence of NH4OH. We report that the cross-sectional geometry of hydrothermally grown one-dimensional Y4O(OH)9NO3 crystals can be tuned from spherical to hexagonal-prism like shape by introducing a particular reagent like NH4NO3 in the presence of NH4OH. An ‘oriented attachment’ mediated growth process takes place along with the ‘dissolution-recrystallization’ route which eventually resulted in the generation of the single crystals with hexagonal-prism like morphology.

KW - Ammonia

KW - Dissolution recrystallization

KW - Electrolytes

KW - Hexagonal-prism

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