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Boron nitride (BN) has been explored these days because of its extraordinary optical, chemical and mechanical properties. BN is sensitive to its crystal structure that slight change in lattice parameters enormously change its properties.…

材料科学 · 物理学 2019-10-01 Bikramjeet Singh , Kulwinder Singh , Manjeet Kumar , Akshay Kumar

This work reports the successful solid state synthesis of ZnO/NiFe2O4 nanocomposite by calcinations of both green synthesized ZnO nanorods and NiFe2O4 prismatic nanorods at high temperature (850 {\deg}C) for ten hours. These nanomaterials…

应用物理 · 物理学 2019-05-17 AdelekeJ. T , Theivasanthi. T , Thiruppathi. M , Swaminathan. M , Akomolafe. T , AlabiA. B

The fabrication of heterogeneous photocatalysts has received increasing research interest due to their potential applications for the degradation of organic pollutants in wastewater and the evolution of carbon-free hydrogen fuel via water…

应用物理 · 物理学 2021-11-08 Subrata Das , Sagar Dutta , Angkita Mistry Tama , M. A. Basith

Monophasic MgFe$_2$O$_4$ nanoparticles synthesized by a simple autocombustion method were assessed as magnetically recoverable catalysts for the degradation of methylene blue (MB) in water. The NPs exhibit a crystallite size of $\sim$ 9 nm,…

材料科学 · 物理学 2026-01-01 A. F. Cabrera , C. E. Rodríguez Torres , P. de la Presa , S. J. Stewart

In this paper, we report the synthesis of reduced Graphene Oxide-Tin Oxide nanocomposite and the effectiveness of this composite in decolorizing and degrading Methylene Blue (MB). Tin Oxide was prepared by liquid phase co-precipitation…

A swift chemical route to synthesize Co-doped SnO$_2$ nanopowders is described. Pure and highly stable Sn$_{1-x}$Co$_x$O$_{2-\delta}$ (0 $\le$ x $\le$ 0.15) crystalline nanoparticles were synthesized, with mean grain sizes < 5 nm and the…

材料科学 · 物理学 2015-03-31 T. Entradas , J. Cabrita , S. Dalui , M. R. Nunes , O. C. Monteiro , A. J. Silvestre

Titanium dioxide (TiO$_2$) thin films are commonly used as photocatalytic materials. Here, we enhance the photocatalytic activity of devices based on TiO$_2$ by combining nanostructured glass substrates with metallic plasmonic…

Environmental contamination and human exposure to dyes have dramatically increased over the past decades because of their increasing use in such industries as textiles, paper, plastics, tannery and paints. These dyes can cause deterioration…

Achieving both broad solar-spectrum absorption and strong redox capability is critical for semiconductor photocatalysts in environmental remediation and energy conversion. Herein, an S-scheme heterojunction photocatalyst is constructed by…

材料科学 · 物理学 2026-03-31 Xiaoyi Zhou , Min Zhang , Qiushi Wang , Shiwen Du , Xuedong Jing , Zhenyi Zhang

We present a nanocomposite gel that efficiently adsorbs a toxic and non-biodegradable cationic dye (methylene blue) from water. This nanocomposite gel is synthesized using chitosan, silica, and titanium dioxide nanoparticles (TiO2 NPs) as…

化学物理 · 物理学 2021-12-28 Tamal Sarkar

Photocatalytic nitrogen reduction is the promising way for ammonia production, the question now is that the search of highly active and low active catalysts. Based on the first-principles calculation, single boron atom is anchored on the…

材料科学 · 物理学 2019-10-21 Hao-Ran Zhu , Shi-Hao Wei , Da-Yin Hua

Graphene-based nanostructures with distinct structural and physicochemical characteristics may be able to photodegrade antibiotics effectively. Herein, this study reports the successful synthesis of NiFe2O4/CeO2/GO nanocomposite (NC) by…

In this work, hybridization of nonmetal nitrogen-doped carbon dots (NCQDs) with ZnO nanorods (NRs) is utilized towards better photocatalytic degradation of rhodamine B under ultraviolet (UV) irradiation. The structural characterization is…

材料科学 · 物理学 2021-08-11 Sujoy Kumar Mandal , Sumana Paul , Sujoy Datta , Debnarayan Jana

Contamination of freshwater sources has been alarming due to the widespread use of toxic chemicals in various industries. Advanced oxidation processes (AOPs) such as photocatalysis are widely explored to tackle such problems. In…

材料科学 · 物理学 2025-07-30 Naresh Prajapati , Manoj Kumar , Vidit Pandey , Sandeep Munjal , Himanshu Pandey

Photocatalytic nitrogen fixation is an important pathway for carbon neutralization and sustainable development. Inspired by nitrogenase, the participation of molybdenum can effectively activate nitrogen. A novel Ti/Mo composites…

A comprehensive comparison between Bi$_{25}$FeO$_{40}$-reduced graphene oxide(rGO) nanocomposite and BiFeO$_{3}$-rGO nanocomposite has been performed to investigate their photocatalytic abilities in degradation of Rhodamine B dye and…

材料科学 · 物理学 2022-02-08 M. A. Basith , Ragib Ahsan , Ishrat Zarin , M. A. Jalil

Advanced nanomaterials with enhanced optical and photocatalytic properties for the photodegradation of organic pollutants, in particular pharmaceuticals and personal care products (PPCPs), were successfully prepared by a swift one-pot…

应用物理 · 物理学 2022-09-26 D. M. Alves , J. V. Prata , A. J. Silvestre , O. C. Monteiro

The exceptional conducting nature of graphene makes it a viable candidate for enhancing the effectiveness of photocatalytic and biomedical nanomaterials. Herein, the immobilization of monodispersed silicon dioxide (SiO2) nanoparticles on…

应用物理 · 物理学 2017-08-23 Aqsa Arshad , Javed Iqbal , Qaisar Mansoor , Ishaq Ahmad

Nanostructured catalysts have attracted the increased attention for biomass conversion into high-valued chemicals due to the rapid depletion of fossil resources and increasingly severe environmental issues. Supercritical carbon dioxide…

化学物理 · 物理学 2024-03-26 Zhiwei Jiang , Yongjian Zeng , Ruichao Guo , Lu Lin , Rafael Luque , Kai Yan

Industrial scale NH3 production is mainly produced by the Haber Bosch process, but it suffers from intensive energy consumption with serious CO2 emission. Electrochemical N2 reduction reaction (NRR) is now used for energy-saving NH3…

材料科学 · 物理学 2019-09-02 Tongwei Wu , Yanning zhang
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