نتایج جستجو برای: nitrogen doping

تعداد نتایج: 143598  

Journal: :ACS applied materials & interfaces 2014
Kai Zhou Weijia Zhou Xiaojun Liu Yan Wang Jinquan Wan Shaowei Chen

Nitrogen self-doped porous carbon was prepared by calcination treatment of surplus sludge, a toxic byproduct from microbial wastewater treatments, and exhibited a mesoporous structure, as manifested in scanning and transmission electron microscopic measurements. Nitrogen adsorption/desorption studies showed that the porous carbon featured a BET surface area as high as 310.8 m(2)/g and a rather ...

Journal: :ACS nano 2010
Arava Leela Mohana Reddy Anchal Srivastava Sanketh R Gowda Hemtej Gullapalli Madan Dubey Pulickel M Ajayan

We demonstrate a controlled growth of nitrogen-doped graphene layers by liquid precursor based chemical vapor deposition (CVD) technique. Nitrogen-doped graphene was grown directly on Cu current collectors and studied for its reversible Li-ion intercalation properties. Reversible discharge capacity of N-doped graphene is almost double compared to pristine graphene due to the large number of sur...

Journal: :Physical chemistry chemical physics : PCCP 2015
P Sudhagar Taeseup Song Anitha Devadoss Jung Woo Lee Marta Haro Chiaki Terashima Volodymyr V Lysak Juan Bisquert Akira Fujishima Sixto Gimenez Ungyu Paik

The interaction strength of Au nanoparticles with pristine and nitrogen doped TiO2 nanowire surfaces was analysed using density functional theory and their significance in enhancing the solar driven photoelectrocatalytic properties was elucidated. In this article, we prepared 4-dimethylaminopyridine capped Au nanoparticle decorated TiO2 nanowire systems. The density functional theory calculatio...

We report the synthesis of nitrogen-doped urchin-like rutile TiO2 nanostructure at room temperature without further heat treatment. The process was operated through hydrolysis of Ti(OC4H9)4 employing the direct amination of the product. The samples characterized by x-ray diffraction (XRD), scanning electron microscopy (SEM), Transmission electron microscopy (TEM), Raman spectroscopy and Brunaue...

Journal: :journal of physical & theoretical chemistry 2010
mahmoud mirzaei

the electronic and structural properties of pristine and carbon doped (c-doped) boron nitride nano-ribbons(bnnrs) have been studied employing density functional theory (dft) calculations. total energies, gapenergies, dipole moments, and quadrupole coupling constants (qcc) have been calculated in the optimizedstructures of the investigated bnnrs. the results indicated that the stability and gap ...

Journal: :Journal of Nanoscience and Technology 2020

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