Results 121 to 130 of about 58,122 (292)

Regenerative Photocatalysis. Pushing the boundaries of electron-transfer processes

open access: yes
reservedAiming at expanding the reactivity domain of photocatalysis, we discovered the peculiar behaviour of a purely organic catalyst that upon light-irradiation undergoes controlled disruption, substrates activation, and regeneration in an ...
MICHELAZZO, NICOLA
core  

Fixed Bed Photocatalysis for the Degradation of 2-Chloro 4-Nitrophenol Using Solar Irradiation

open access: yes, 2012
Phenol and phenolic compounds occur as waste from various industries like Oil refining, petrochemical, coal mining, lignite transformation etc. and result in bioaccumulation.
Srivastava, Jayant
core  

Heterogeneous Visible‐Light Photocatalysis in Continuous‐Flow: A Synergistic Strategy for Challenging Trifluoromethylation of α, α‐Diaryl Allylic Alcohols via 1,2‐aryl Migration

open access: yesAdvanced Science, EarlyView.
A continuous‐flow photocatalytic strategy is presented for the efficient synthesis of β‐trifluoromethyl ketones under visible light. Using a recyclable solid photocatalyst and an inexpensive CF3 source, the method enables rapid reactions, easy scale‐up, and smooth integration into multistep flow synthesis of bioactive molecules.
Peiwen Liu   +3 more
wiley   +1 more source

Spatially Separated Redox Centers in One‐Dimensional Sp2‐Carbon Covalent Organic Frameworks Enable Synergistic Photocatalytic Palladium Recovery and Bisphenol A Mineralization

open access: yesAdvanced Science, EarlyView.
A one‐dimensional sp2‐carbon covalent organic framework with spatially segregated redox centers integrates a dual photosensitizing system and a cationic interface for synergistic photocatalysis. The material achieves exceptional palladium recovery (1749 mg g−1) and bisphenol A mineralization (0.1710 min−1) without sacrificial agents, demonstrating ...
Yi‐Ru Chen   +9 more
wiley   +1 more source

One-Pot Synthesis of Anatase, Rutile-Decorated Hydrogen Titanate Nanorods by Yttrium Doping for Solar H2 Production

open access: yesACS Omega, 2020
Sovann Khan   +7 more
doaj   +1 more source

Salt‐melt synthesis of poly(heptazine imide) in binary alkali metal bromides for enhanced visible‐light photocatalytic hydrogen production

open access: yesInterdisciplinary Materials
Poly(heptazine imide) (PHI), a semicrystalline version of carbon nitride photocatalyst based on heptazine units, has gained significant attention for solar H2 production benefiting from its advantages including molecular synthetic versatility, excellent ...
Yaxuan Jin   +8 more
doaj   +1 more source

Novel silver vanadate coupled semiconductor nanocomposites for effective removal of toxic organics

open access: yesChemical Physics Impact
One of the world's most important challenges is the lack of access to clean water, and researchers are working tirelessly to find a solution. Nanotechnology-treated water is superior to conventionally treated water since it contains no hazardous ...
S. Sasikruba   +4 more
doaj   +1 more source

Avaliação da degradação fotocatalítica do gás sulfídrico em tecidos de algodão impregnados com nanopartículas de tio2 [PDF]

open access: yes, 2014
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico, Programa de Pós-Graduação em Engenharia Ambiental, Florianópolis, 2014.A fotocatálise é um processo oxidativo avançado capaz de degradarsubstâncias orgânicas e ...
Araújo, Eliana Mercy
core  

In-situ photocatalytic remediation of organic contaminants in groundwater

open access: yes, 2011
This research is about the development of a photocatalytic reactor design, Honeycomb, for in-situ groundwater remediation. Photocatalysis, typically a pseudo first order advanced oxidation process, is initiated via the illumination of UVA light on the ...

core   +1 more source

Recent Advances and Challenges in Ammonia‐Hydrogen Energy Conversion

open access: yesAdvanced Science, EarlyView.
This work summarizes the latest progress of various catalytic methods in ammonia‐hydrogen energy conversion. The challenges and outlook of ammonia‐hydrogen energy conversion system are also emphasized. This work expects to build a blueprint of renewable and efficient ammonia‐hydrogen energy conversion systems under mild conditions.
Menghao Lv   +6 more
wiley   +1 more source

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