Results 61 to 70 of about 190,996 (323)

Optimized Nanostructured TiO2 Photocatalysts [PDF]

open access: yesFrontiers in Materials, 2016
Titania is the most widely studied photocatalyst. In it’s mixed-phase configuration (anatase-rutile form) -as manifested in the commercially available P25 Degussa material- titania was previously found to exhibit the best photocatalytic properties reported for the pure system.
TOPÇU ŞENDOĞDULAR, Selda   +2 more
openaire   +3 more sources

A novel approach for the production of nitrogen doped TiO2 nanoparticles [PDF]

open access: yes, 2015
In this study a visible light active nitrogen doped nanostructure titanium dioxide was synthesized by a simple mixing of Degussa P25 and Urea powder and further thermal treatment under the adequate conditions.
BRAVI, Marco   +3 more
core   +1 more source

A Smart Bio‐Battery Facilitates Diabetic Bone Defect Repair Via Inducing Macrophage Reprogramming and Synergistically Modulating Bone Remodeling Coupling

open access: yesAdvanced Functional Materials, EarlyView.
This research presents a novel implantable bio‐battery, GF‐OsG, tailored for diabetic bone repair. GF‐OsG generates microcurrents in high‐glucose conditions to enhance vascularization, shift macrophages to the M2 phenotype, and regulate immune responses.
Nanning Lv   +10 more
wiley   +1 more source

Bio‐Inspired Plasmonic Photocatalysts [PDF]

open access: yesSmall Methods, 2018
AbstractThe conversion of solar energy to sustainable energy sources is a significant field of study for the relief of the world's energy problems, and among the various strategies developed, semiconductor photocatalysts have received significant attention as a promising candidate due to their attractive efficiency, mild reaction conditions, and low ...
Zhihua Liu, Wan Ru Leow, Xiaodong Chen
openaire   +2 more sources

Covalent Organic Frameworks for Photocatalytic CO2 Reduction: Metal Integration Principles, Strategies and Functions

open access: yesAdvanced Functional Materials, EarlyView.
Covalent organic frameworks (COFs) with metals have been recognized as versatile platforms for photocatalytic CO2 reduction (CO2PRR). Herein, an overview of metal integration strategies for COFs is systematically summarized. Regulatory mechanisms and structure–activity relationships between metal integration and COF‐based CO2PRR are emphasized.
Jie He   +5 more
wiley   +1 more source

Eco-friendly synthesis of magnetic Pd/NiFe₂O₄/chitosan nanobiocatalyst for enhanced degradation of Congo red dye under sunlight irradiation

open access: yesResults in Chemistry
In this research, the magnetic nanobio photocatalyst Pd/NiFe₂O₄/chitosan was synthesized using a green synthesis method. The characterization of this photocatalyst was carried out through several techniques including FT-IR, XRD, VSM, TEM, FESEM, and EDS.
Mohammad Panahimehr   +3 more
doaj   +1 more source

Copper Selenide (CuSe) Monolith Fabricated by Facile Copper Foam Selenization for Efficient Photocatalytic Degradation of Methylene Blue

open access: yesInternational Journal of Chemical Engineering, 2023
A critical challenge that impedes the application of photocatalytic techniques for organic dye degradation from polluted industrial effluents is that traditional powdery photocatalysts exposed limited photo-absorption sites and exhibited inefficient ...
Yefan Wang   +6 more
doaj   +1 more source

Oxalates as Activating Groups for Alcohols in Visible Light Photoredox Catalysis: Formation of Quaternary Centers by Redox-Neutral Fragment Coupling. [PDF]

open access: yes, 2015
Alkyl oxalates are new bench-stable alcohol-activating groups for radical generation under visible light photoredox conditions. Using these precursors, the first net redox-neutral coupling of tertiary and secondary alcohols with electron-deficient ...
Jamison, Christopher R   +4 more
core  

Facet‐Engineered S‐Scheme Heterostructure With Enhanced Active Sites for Efficient Photocatalytic Degradation of Organic Contaminants

open access: yesAdvanced Functional Materials, EarlyView.
The facet‐engineered ZnO/Zn3In2S6 heterostructure, dominated by {001} plane coupling, exposes abundant unsaturated Zn sites with elongated Zn─O bonds, directing photoexcited charge carriers along an S‐scheme pathway and suppressing recombination. Enhanced interfacial Zn adsorption toward bisphenol A and methylene blue further synergistically promotes ...
Yang Yang   +6 more
wiley   +1 more source

g‐C3N4‐Based 2D/2D Composite Heterojunction Photocatalyst

open access: yesSmall Structures, 2021
Employing semiconductor photocatalysis to transform solar energy into chemical energy provides a practicable strategy for the alleviation of energy and environmental crisis.
Bicheng Zhu   +4 more
semanticscholar   +1 more source

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