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Nanocrystalline Gd2Ti2O7 Pyrochlore Material for NIR Reflective Pigment Application: Micro-Structural and Optical Studies

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In this interesting article, the synthesis of nanocrystalline Gd2Ti2O7 material by ball milling followed by annealing, characterization and its application are reported. The Rietveld structural refinement data confirm the cubic pyrochlore Gd2Ti2O7 phase with lattice parameter, a = 1.022(9) nm. The particle size observed by HRSEM image concurs with the average crystalline sizes of particles extracted from XRD data. The optical properties of pyrochlore nanocrystalline Gd2Ti2O7 material are explored from UV-visible, FT-IR, NIR, PL, and Raman spectroscopic measurements. From the present investigation, it is identified that the Gd2Ti2O7 nanopowder may be used as solar reflective as well as color pigment due to its high NIR reflectivity (85–95%) under the wavelength of 750–2500 nm.
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Document Type: Research Article

Publication date: January 1, 2016

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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