کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
8044847 1518940 2016 28 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Rapid microwave assisted synthesis of Zn1−xInxO heterostructured nanotetrapods and their hydrogen sensing properties
موضوعات مرتبط
مهندسی و علوم پایه مهندسی مواد سطوح، پوشش‌ها و فیلم‌ها
پیش نمایش صفحه اول مقاله
Rapid microwave assisted synthesis of Zn1−xInxO heterostructured nanotetrapods and their hydrogen sensing properties
چکیده انگلیسی
Zn1−xInxO nanostructures have been synthesized in large quantity by a microwave-assisted evaporation method. A mixture of high purity zinc and indium metal flakes evaporated under ambient air using a microwave absorber placed in a conventional microwave oven. This is single step, fast and very effective method to produce large quantity (grams) of Zn1−xInxO nanotetrapods. The synthesized nanotetrapods powder was characterized by X-ray Photoelectron Spectroscopy (XPS), X-ray Diffraction (XRD), Field Emission Scanning Electron Microscopy (FESEM), and Transmission Electron Microscopy (TEM). The observations and analyses confirmed the formation of high aspect-ratio nanotetrapods and the incorporation of In into the ZnO creating heterostructure. Hydrogen gas sensor made from the nanotetrapods Zn1−xInxO showed reversible response and recovery. The results are consistent with a sensing mechanism controlled by the presence of a space charge region at the surface of the sensor.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Vacuum - Volume 130, August 2016, Pages 159-164
نویسندگان
, , ,