کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1809182 1525189 2015 6 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Optical enhancement of Au doped ZrO2 thin films by sol–gel dip coating method
موضوعات مرتبط
مهندسی و علوم پایه فیزیک و نجوم فیزیک ماده چگال
پیش نمایش صفحه اول مقاله
Optical enhancement of Au doped ZrO2 thin films by sol–gel dip coating method
چکیده انگلیسی

Homogeneous and transparent Au doped ZrO2 thin films were prepared by sol–gel dip coating method. The films have mixed phase of tetragonal, monoclinic and face centered cubic with crack free surface. Due to the increase in Au doping concentration many-body interaction occurs between free carriers and ionized impurities causing decrease in optical band gap from 5.72 to 5.40 eV. Localized surface plasmon resonance peak of the Au doped films appeared at 610 nm. Conversion of photons to surface plasmons allows the sub-wavelength manipulation of electromagnetic radiation. Hence the prepared Au doped ZrO2 thin films can be applied in nanoscale photonic devices such as lenses, switches, waveguides etc. Moreover the photoluminescence (PL) intensity of Au doped ZrO2 thin films decrease due to decrease in the radiative recombination, life time of the excitons and suppression of grain growth of ZrO2 with increasing Au dopant.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Physica B: Condensed Matter - Volume 457, 15 January 2015, Pages 182–187
نویسندگان
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