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NFPA 275:2017

Standard Method of Fire Tests for the Evaluation of Thermal Barriers

API 941:2016-Steels for Hydrogen Service at Elevated Temperatures and Pressures in Petroleum Refineries and Petrochemical Plant

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API Recommended Practice 941:2016

ویرایش هشتم

Steels for Hydrogen Service at Elevated Temperatures and Pressures in Petroleum Refineries and Petrochemical Plants

API 560:2016-Fired Heaters for General Refinery Service

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API 560:2016

Fired Heaters for General Refinery Service

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نت موسیقی Nostalgic Song Ending Theme For Manas Story برای همنوازی پیانو و ویلن به همراه فایل صوتی

Ruthenium Sensitizer Functionalized by Carboxylic Anchoring Groups for Dye-Sensitized Solar Cells

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مقالات لاتین علمی پژوهشی چاپ شده با فرمت pdf    صفحات  9

:Abstract

Ru(II) dyes have been proposed for dye-sensitized solar cells (DSSC) as possible low-cost photovoltaic devices. Herein, a new synthesized Ru(II) dye labeled Ru (L2) (SCN)2 is considered for solar cell applying. Using ab-intio density functional theory (DFT) with the B9LYP exchange-correlation functional, the electronic structure and also the visualized molecular orbital, including HOMO-5, HOMO, LUMO, and LUMO+5 was regarded. Our result showed that the HOMO is localized the Ru metal, while the LUMO is localized on the ancillary ligands and carboxylic groups. As the carboxylic groups are responsible for links to the TiO2
surface, that molecular orbital categories provide the charge transfer from the LUMO states of the dye to the conduction band of TiO2. This arrangement proposed the capability of the dye for solar cell applying. In addition the calculation band gap energy between HOMO and LUMO is
5225 eV enhancing the ability of sensitizer to photon absorption.
Keyword: DSCC, Ru dye, HOMO, ancillary ligands