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Fabrication and Characterization of ...

Micheroni, Daniel Charles.

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Fabrication and Characterization of Defect-Free UV-Emitting ZnO Nanoparticles.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Fabrication and Characterization of Defect-Free UV-Emitting ZnO Nanoparticles./
作者:	Micheroni, Daniel Charles.
面頁冊數:	67 p.
附註:	Source: Masters Abstracts International, Volume: 52-01.
Contained By:	Masters Abstracts International52-01(E).
標題:	Chemistry, General. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1542672
ISBN:	9781303280900

Fabrication and Characterization of Defect-Free UV-Emitting ZnO Nanoparticles.
Micheroni, Daniel Charles.

Fabrication and Characterization of Defect-Free UV-Emitting ZnO Nanoparticles. - 67 p.

Source: Masters Abstracts International, Volume: 52-01.

Thesis (M.S.)--Villanova University, 2013.

ZnO nanoparticles of various morphologies with near-band-edge ultra-violet photoluminescence and mitigated emission in the visible range were prepared by the direct precipitation method in various solvent systems using organic acids as surface modifiers in an in-situ procedure. Infrared spectroscopy (IR), transmission electron microscopy (TEM), UV-Visible spectroscopy (UV-Vis), photoluminescence spectroscopy (PL), thermogravimetric analysis (TGA), differential scanning calorimetry (DSC), and X-ray powder diffraction (XRD) were employed in characterization, structure determination, analysis of optical properties, and investigation of surface chemistry. The results indicate that rings, hollow core-shells, nanospheres, and dots can be fabricated with bound organic acids to the surface. Minimal photoluminescence in our samples was observed in the visible region, which implies negligible defect formation in the ZnO nanoparticles. The effects of the surfactants, solvent, and reaction conditions on the size, morphology, self-assembly, and surface interactions of the nanoparticles are presented here.

ISBN: 9781303280900Subjects--Topical Terms:

1021807
Chemistry, General.

Fabrication and Characterization of Defect-Free UV-Emitting ZnO Nanoparticles.
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502 $a Thesis (M.S.)--Villanova University, 2013.
520 $a ZnO nanoparticles of various morphologies with near-band-edge ultra-violet photoluminescence and mitigated emission in the visible range were prepared by the direct precipitation method in various solvent systems using organic acids as surface modifiers in an in-situ procedure. Infrared spectroscopy (IR), transmission electron microscopy (TEM), UV-Visible spectroscopy (UV-Vis), photoluminescence spectroscopy (PL), thermogravimetric analysis (TGA), differential scanning calorimetry (DSC), and X-ray powder diffraction (XRD) were employed in characterization, structure determination, analysis of optical properties, and investigation of surface chemistry. The results indicate that rings, hollow core-shells, nanospheres, and dots can be fabricated with bound organic acids to the surface. Minimal photoluminescence in our samples was observed in the visible region, which implies negligible defect formation in the ZnO nanoparticles. The effects of the surfactants, solvent, and reaction conditions on the size, morphology, self-assembly, and surface interactions of the nanoparticles are presented here.
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