نتایج جستجو برای: graphitic carbon nitride
تعداد نتایج: 294191 فیلتر نتایج به سال:
Upconversion luminescence (UCL) is mainly a nonlinear optical method that some engineered nanomaterials can attain and helps in the transformation of low energy phonons (near-infrared photons) into higher (ultraviolet (UV) visible light photons). (UC) are suitable candidate for preparing near-infrared (NIR) light-responsive photocatalytic systems by mixing with other photocatalysts. Many report...
in this study, a novel solid dendrimer amine (hyperbranched polymers) was prepared using mesoporous carbon nitride functionalized by melamine based dendrimer amines. this adsorbent was denoted mda-mcn-1. the process was stepwise synthesis and hard-templating method using mesoporous silica sba-15 as a template. cyanuric chloride and n,n-diisopropylethylamine (dipea, merck) were used for function...
density functional theory ,(dft) calculations have been performed to investigate the properties ofcarbon decorated (c-decorated) models of boron nitride (bn) nanocones. to this aim, the apex andtip of nanocone have been substituted by the carbon atoms to represent the c-decorated models. theresults indicated that dipole moments and energy gaps could reveal the effects of c-decorations onthe pro...
Carbon dots (CDs) and graphitic carbon nitride (g-C3N4) composites (CD/g-C3N4) were successfully synthesized by a hydrothermal method using urea and sugarcane juice as starting materials. The chemical composition, morphological structure and optical properties of the composites and CDs were characterized using various spectroscopic techniques as well as transmission electron microscopy. X-ray p...
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