کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1572083 1514425 2009 5 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
A simple route to the synthesis of single crystalline copper metagermanate nanowires
موضوعات مرتبط
مهندسی و علوم پایه مهندسی مواد دانش مواد (عمومی)
پیش نمایش صفحه اول مقاله
A simple route to the synthesis of single crystalline copper metagermanate nanowires
چکیده انگلیسی

Single crystalline copper metagermanate (CuGeO3) nanowires with the diameter of 30–300 nm and length of longer than 100 µm have been prepared by a simple hydrothermal deposition route. X-ray diffraction (XRD), selected area electron diffraction (SAED), high-resolution transmission electron microscopy (HRTEM) and Raman analyses confirm that the nanowires are orthorhombic single crystals with a main growth direction along <101>. Room temperature photoluminescence (PL) measurement shows a strong blue emission peak at 442 nm with a broad emission band. The blue emission may be ascribed to radiative recombination of oxygen vacancies and oxygen–germanium vacancies. The formation process of CuGeO3 nanowires is also discussed.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Materials Characterization - Volume 60, Issue 12, December 2009, Pages 1602–1606
نویسندگان
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