کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
7117598 | 1461364 | 2018 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Facile wet chemical synthesis of Er3+/Yb3+ co-doped BaSnO3 nano-crystallites for dye-sensitized solar cell application
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
سایر رشته های مهندسی
مهندسی برق و الکترونیک
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
We report synthesis of pure and rare earth ion Er3+ /Yb3+ co-doped barium stannate (BaSnO3) nano-crystallites by facile wet chemical route. The nano-crystallites at the Ba2+ lattice site substitution of 0.1 and Er/Yb ratio of 0.00, 0.11, 0.18 and 0.25 exhibited band gap of 3.64, 3.66, 3.67 and 3.68â¯eV, respectively. The electrical conductivity of the nano-crystallites was found to increase with increase in Er/ Yb content ratio. All samples revealed a broad emission peak between 380 and 400â¯nm at the excitation wavelength of 350â¯nm. The up-conversion emission intensity has been found to increase with Er3+ /Yb3+ content for the excitation wavelength of 980â¯nm. Further, the influence of the up-conversion behavior on the photovoltaic performance of dye-sensitized solar cell has been investigated. The highest photon conversion efficiency of 4.2% was observed for the composition of Ba(Er/Yb: 0.25)SnO3 with JSC =â¯9.69â¯mA/cm2, Voc =â¯0.63â¯V, FFâ¯=â¯0.690, which was about 40% increase in efficiency in comparison to pristine BaSnO3 (3.0%).
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Materials Science in Semiconductor Processing - Volume 83, 15 August 2018, Pages 83-88
Journal: Materials Science in Semiconductor Processing - Volume 83, 15 August 2018, Pages 83-88
نویسندگان
Astakala Anil Kumar, Jashandeep Singh, Deepak Singh Rajput, Astrid Placke, Ashok Kumar, Jitendra Kumar,