کد مقاله کد نشریه سال انتشار مقاله انگلیسی ترجمه فارسی نسخه تمام متن
63686 48248 2016 6 صفحه PDF سفارش دهید دانلود کنید
عنوان انگلیسی مقاله
p-Type CaFe2O4 semiconductor nanorods controllably synthesized by molten salt method
ترجمه فارسی عنوان
نانومیله های نیمه هادی نوع Ca-Fe2O4 p به طور قابل کنترل با روش نمک مذاب سنتز شده است
کلمات کلیدی
نیمه هادی نوع p ؛ نانوذرات CaFe2O4؛ نمک مذاب؛ صفحه کریستال؛ جذب نور مریی
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی کاتالیزور
چکیده انگلیسی

Pure phase, regular shape and well crystallized nanorods of p-type semiconductor CaFe2O4 have been fabricated for the first time by a facile molten salt assisted method, as confirmed by XRD, TEM, SEM and HRTEM. UV−vis diffuse reflectance spectra and Mott–Schottky plots show that the band structure of the CaFe2O4 nanorods is narrower than that of the CaFe2O4 nanoparticles synthesized by conventional method. The enhancement of the visible-light absorption is due to narrowness of the band gap in CaFe2O4 nanorods. The appropriate ratio between the molten salt and the CaFe2O4 precursors plays an important role in inhibiting the growth of the crystals along the (201) plane to give the desired nanorod morphology. This work not only demonstrates that highly pure p-type CaFe2O4 semiconductor with tunable band structure and morphology could be obtained using the molten salt strategy, but also affirms that the bandgap of a semiconductor may be tunable by monitoring the growth of a particular crystal plane. Furthermore, the facile eutectic molten salt method developed in this work may be further extended to fabricate some other semiconductor nanomaterials with a diversity of morphologies.

Well crystallized p-type CaFe2O4 semiconductor nanorods with narrower bandgap compared to the corresponding nanoparticles have been synthesized for the first time by eutectic molten salt assisted method.Figure optionsDownload as PowerPoint slide

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Energy Chemistry - Volume 25, Issue 3, May 2016, Pages 381–386
نویسندگان
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