نتایج جستجو برای: moo3g c3n4

تعداد نتایج: 1225  

در این پژوهش به منظور بررسی تاثیر اولتراسونیک کردن در سنتز کربن نیترید نانوورقه‌ای از پیش‌ماده ملامینی، از دو روش حرارتی و ترکیبی با شرایط و سیکل حرارت‌دهی یکسان استفاده شده است. ابتدا ملامین در مدت 75 دقیقه به 550 درجه سانتی‌گراد رسید و برای مدت 4 ساعت در همین دما باقی ماند تا g-C3N4 بدست آید. در روش حرارتی، g-C3N4 بدست آمده در مدت 100 دقیقه به 500 درجه سانتی‌گراد رسید و برای مدت 3 ساعت در این...

Journal: :Nanoscale 2014
Daqiang Gao Qiang Xu Jing Zhang Zhaolong Yang Mingsu Si Zhongjie Yan Desheng Xue

Ultrathin metal-free g-C3N4 nanosheets with intrinsic room temperature ferromagnetism were synthesized by heating urea in an airtight container at different temperatures. Results indicate that the samples' saturation magnetization increases with the carbon defect concentration, revealing its carbon defect related ferromagnetism. Moreover, we further confirmed the defect induced ferromagnetic na...

Journal: :Middle east journal of science 2021

In the present study, efficiency of Pd@g-C3N4/TiO2 NPs as photocatalyst on degradation organic pollutant methylene blue (MB) dye under visible light has been investigated. A traditional one-step impregnation-reduction method was used for preparation photocatalysts. were characterized by several techniques such FT-IR, DR/UV-Vis, SEM-EDX, TEM, P-XRD, and XPS analyses. The photocatalytic performan...

Journal: :Energy 2021

A biocompatible graphitic carbon nitride (g-C3N4) was prepared on the surface of brush fiber (CB) via a facile one-step preparation method. The g-C3N4 formed composite with brush’s fibers (g-C3N4@CB), as shown from XRD analysis. g-C3N4@CB used an anode in yeast-based microbial fuel cell (MFC), and demonstrated outstanding performance compared to plain CB. An potential ?0.27 V “vs. Ag/AgCl” open...

Journal: :Molecules 2023

In this study, we have successfully constructed Ag3PO4/Ag/g-C3N4 heterojunctions via the hydrothermal method, which displays a wide photo-absorption range. The higher photocurrent intensity of indicates that separation efficiency photogenerated electron–hole pairs is than both Ag3PO4 and Ag/g-C3N4 pure substances. It confirmed efficient attributed to heterojunction material. Under visible light...

Journal: :Advanced energy and sustainability research 2023

Herein, well-crystallized ZnTiO3 particles are first prepared by hydrothermal method. A series of S-scheme heterojunction photocatalysts ZnTiO3/g-C3N4 (referred to as ZTO/CN) with different mass ratios synthesized successfully doping in g-C3N4 precursors and loading onto nanosheets calcination. It is clearly found that the loaded on X-ray diffractometer, energy-dispersive spectra, high-resoluti...

Journal: :Catalysis Today 2022

In this study, we developed Pd nanoparticles-based catalysts supported on composites formed by multi-walled carbon nanotubes (MWCNTs) and graphitic nitride (g-C3N4) in various proportions, for their use the dehydrogenation of formic acid liquid phase. It was observed that composition support determined average size nanoparticles as well electronic properties, which ultimately affected performan...

Journal: :Catalysts 2021

The outstanding optoelectronic performance and facile synthetic approach of metal halide perovskites has inspired additional applications well beyond efficient solar cells light emitting diodes (LEDs). Herein, we present an alternative option available for the optimisation selective oxidation benzylic alcohols through photocatalysis. materials engineering hybrids based on formamidine lead bromi...

Journal: :Crystals 2022

Solar photocatalytic technology based on semiconducting materials has gained the attention of scientific community to solve energy crisis and environmental remediation. Zeolitic imidazolate frameworks (ZIFs) are a subfamily metal–organic (MOFs) with isomorphic topologies zeolites coordinative compositions MOFs. Owing high specific surface areas, tunable channels thermal stabilities, zeolitic ha...

Journal: :Chinese Journal of Catalysis 2022

As a new organic conjugated semiconductor, graphitic carbon nitride (g-C3N4) is emerging as fascinating material for various photocatalytic applications due to its adjustable electronic structure, outstanding thermal endurance, appealing chemical stability, low cost, and environmental friendliness. Nevertheless, unmodified bulk g-C3N4 possesses some intrinsic limitations related poor crystallin...

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