کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
184770 459581 2015 6 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Mesoporous Hierarchical Anatase for Dye-sensitized Solar Cells Achieving Over 10% Conversion Efficiency
ترجمه فارسی عنوان
آناتاز سلولی بین سلولی سلول های خورشیدی حساسیت شده با رنگ، به دست آوردن کارایی تبدیل بیش از 10٪
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی مهندسی شیمی (عمومی)
چکیده انگلیسی

ABSTRACTInterest in both one-dimensional and hierarchical architectures of metal oxide semiconductors has intensified within the field of materials science over recent years. Herein, a new mesoporous anatase TiO2 architecture that combines these two concepts, as it is composed of individual, high-aspect-ratio, nanoribbon-like components, was synthesized via a facile hydrothermal method without any surfactant or template. An 8.3% solar-to-electric conversion efficiency was obtained when these structures were used in photoanodes for dye-sensitized solar cells, which are superior to commercial state-of-the-art TiO2 (6.6%), due to enhanced dye loading and efficient light scattering. To further improve the light scattering effect, a bi-layer structure was rationally designed (with this architecture as a scattering layer on top of a transparent, 12-μm-thick layer of nanocrystalline TiO2). A high efficiency of 10.3% was achieved, compared with an efficiency of 8.2% for the control electrode (optimized transparent/reflective commercial titania paste) with a scattering layer of similar thickness.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Electrochimica Acta - Volume 153, 20 January 2015, Pages 393–398
نویسندگان
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