Results 31 to 40 of about 31,343 (339)

Eugenia uniflora L. Silver and Gold Nanoparticle Synthesis, Characterization, and Evaluation of the Photoreduction Process in Antimicrobial Activities

open access: yesMicroorganisms, 2022
Eugenia uniflora linnaeus, known as Brazilian cherry, is widely distributed in Brazil, Argentina, Uruguay, and Paraguay. E. uniflora L. extracts contain phenolic compounds, such as flavonoids, tannins, triterpenes, and sesquiterpenes.
Marcia Regina Franzolin   +3 more
doaj   +1 more source

Tailorable Electronic and Electric Properties of Graphene with Selective Decoration of Silver Nanoparticles by Laser-Assisted Photoreduction

open access: yesNanomaterials, 2022
While graphene shows great potential for diverse device applications, to broaden the scope of graphene-based device applications further, it would be necessary to tune the electronic state of graphene and its resultant electrical properties properly ...
Inseon Song   +9 more
doaj   +1 more source

Synergy of ferroelectric polarization and oxygen vacancy to promote CO2 photoreduction

open access: yesNature Communications, 2021
Solar-light driven CO2 reduction into value-added chemicals and fuels emerges as a significant approach for CO2 conversion. However, inefficient electron-hole separation and the complex multi-electrons transfer processes hamper the efficiency of CO2 ...
Hongjian Yu   +11 more
semanticscholar   +1 more source

Recent Progress in Photocatalytic Removal of Environmental Pollution Hazards in Water Using Nanostructured Materials

open access: yesSeparations, 2022
Water pollution has become a critical issue because of the Industrial Revolution, growing populations, extended droughts, and climate change. Therefore, advanced technologies for wastewater remediation are urgently needed.
Nadiyah Alahmadi
doaj   +1 more source

PHOTOCATALYTIC REDUCTION OF Cu(II) ION AND TiO2-CATALYZED PARACETAMOL PHOTODEGRADATION AS AN ALTERNATIVE METHOD IN WASTE TREATMENT

open access: yesAlchemy, 2016
Recently, the issue of heavy metals are wastes is become popular such as Cu, Co, Pb, and etc. Furthermore, the presence of Cu together with paracetamol as pharmacy waste. Photocatalytic process could be an alternative to avoid the situation.
Devina Ingrid Anggraini   +2 more
doaj   +1 more source

A Mini-Review on CO2 Photoreduction by MgAl-LDH Based Materials

open access: yesEnergies, 2022
In recent years, the rapid consumption of fossil fuels has brought about the energy crisis and excess CO2 emission, causing a series of environmental problems.
Changqing Wang, Jie Xu, Zijian Zhou
doaj   +1 more source

Defective materials for CO₂ photoreduction: from C₁ to C₂₊ products

open access: yes, 2023
Photocatalytic CO2 conversion to carbon-based products has been proven as a versatile method to manage carbon balance. Engineering defects into photocatalysts is an effective strategy to maneuver their performance for CO2 reduction.
Zhou, Jiadong   +11 more
core   +1 more source

In Situ Encapsulation of Graphene Quantum Dots in Highly Stable Porphyrin Metal-Organic Frameworks for Efficient Photocatalytic CO2 Reduction

open access: yesMolecules, 2023
Photocatalytic CO2 reduction to valuable hydrocarbon solar fuel is of great significance but still challenging. Strong CO2 enrichment ability and easily adjustable structures make metal-organic frameworks (MOFs) potential photocatalysts for CO2 ...
Qin Yu   +7 more
doaj   +1 more source

Hierarchical Nanostructured Photocatalysts for CO2 Photoreduction [PDF]

open access: yes, 2019
Practical implementation of CO2 photoreduction technologies requires low-cost, highly efficient, and robust photocatalysts. High surface area photocatalysts are notable in that they offer abundant active sites and enhanced light harvesting.
Hiragond, Chaitanya B.   +7 more
core   +1 more source

Pengaruh p-Klorofenol terhadap Efektivitas Fotoreduksi Ion Hg(II) yang Dikatalisis TiO2

open access: yesJurnal Kimia Sains dan Aplikasi, 2008
The objective is to develop photoreduction method catalyzed by TiO2 for the decreasing Hg(II) concentration. Photocatalytic reduction was carried out in a closed reactor equipped with UV lamp, by irradiating and stirring a mixture of Hg(II) solution and ...
Devina Ingrid Anggraini   +2 more
doaj   +1 more source

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