Photochemistry ≈ PhotochemistryPhotochemistry
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Persulfate-Based Advanced Oxidation: Critical Assessment of Opportunities and Roadblocks Open
Reports that promote persulfate-based advanced oxidation process (AOP) as a viable alternative to hydrogen peroxide-based processes have been rapidly accumulating in recent water treatment literature. Various strategies to activate peroxid…
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Photoredox Catalysis in Organic Chemistry Open
In recent years, photoredox catalysis has come to the forefront in organic chemistry as a powerful strategy for the activation of small molecules. In a general sense, these approaches rely on the ability of metal complexes and organic dyes…
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Dual Catalysis Strategies in Photochemical Synthesis Open
The interaction between an electronically excited photocatalyst and an organic molecule can result in the genertion of a diverse array of reactive intermediates that can be manipulated in a variety of ways to result in synthetically useful…
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Platinum single-atom and cluster catalysis of the hydrogen evolution reaction Open
Platinum-based catalysts have been considered the most effective electrocatalysts for the hydrogen evolution reaction in water splitting. However, platinum utilization in these electrocatalysts is extremely low, as the active sites are onl…
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New photosensitizers for photodynamic therapy Open
Photodynamic therapy (PDT) was discovered more than 100 years ago, and has since become a well-studied therapy for cancer and various non-malignant diseases including infections. PDT uses photosensitizers (PSs, non-toxic dyes) that are act…
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Active sites for CO <sub>2</sub> hydrogenation to methanol on Cu/ZnO catalysts Open
Synergy between copper and zinc oxide on a catalyst surface facilitates methanol synthesis via CO 2 hydrogenation.
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Metallaphotoredox: The Merger of Photoredox and Transition Metal Catalysis Open
The merger of photoredox catalysis with transition metal catalysis, termed metallaphotoredox catalysis, has become a mainstay in synthetic methodology over the past decade. Metallaphotoredox catalysis has combined the unparalleled capacity…
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Applications of Continuous-Flow Photochemistry in Organic Synthesis, Material Science, and Water Treatment Open
Continuous-flow photochemistry in microreactors receives a lot of attention from researchers in academia and industry as this technology provides reduced reaction times, higher selectivities, straightforward scalability, and the possibilit…
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Excited-state intramolecular proton-transfer (ESIPT) based fluorescence sensors and imaging agents Open
We review recent advances in the design and application of excited-state intramolecular proton-transfer (ESIPT) based fluorescent probes. These sensors and imaging agents (probes) are important in biology, physiology, pharmacology, and env…
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Production of Hydrogen Peroxide by Photocatalytic Processes Open
Hydrogen peroxide (H 2 O 2 ) has received increasing attention because it is not only a mild and environmentally friendly oxidant for organic synthesis and environmental remediation but also a promising new liquid fuel. The production of H…
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Formation of oxygen vacancies and Ti3+ state in TiO2 thin film and enhanced optical properties by air plasma treatment Open
This is the first time we report that simply air plasma treatment can also enhances the optical absorbance and absorption region of titanium oxide (TiO 2 ) films, while keeping them transparent. TiO 2 thin films having moderate doping of F…
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Mitochondrial electron transport chain: Oxidative phosphorylation, oxidant production, and methods of measurement Open
The mitochondrial electron transport chain utilizes a series of electron transfer reactions to generate cellular ATP through oxidative phosphorylation. A consequence of electron transfer is the generation of reactive oxygen species (ROS), …
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Synthesis of Carbon Dots with Multiple Color Emission by Controlled Graphitization and Surface Functionalization Open
Multiple‐color‐emissive carbon dots (CDots) have potential applications in various fields such as bioimaging, light‐emitting devices, and photocatalysis. The majority of the current CDots to date exhibit excitation‐wavelength‐dependent emi…
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Persulfate Activation on Crystallographic Manganese Oxides: Mechanism of Singlet Oxygen Evolution for Nonradical Selective Degradation of Aqueous Contaminants Open
Minerals and transitional metal oxides of earth-abundant elements are desirable catalysts for in situ chemical oxidation in environmental remediation. However, catalytic activation of peroxydisulfate (PDS) by manganese oxides was barely in…
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Solvatochromic and Fluorogenic Dyes as Environment-Sensitive Probes: Design and Biological Applications Open
Fluorescent environment-sensitive probes are specially designed dyes that change their fluorescence intensity (fluorogenic dyes) or color (e.g., solvatochromic dyes) in response to change in their microenvironment polarity, viscosity, and …
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Direct Photocatalyzed Hydrogen Atom Transfer (HAT) for Aliphatic C–H Bonds Elaboration Open
Direct photocatalyzed hydrogen atom transfer (d-HAT) can be considered a method of choice for the elaboration of aliphatic C–H bonds. In this manifold, a photocatalyst (PCHAT) exploits the energy of a photon to trigger the homolytic cleava…
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Light Absorption and Energy Transfer in the Antenna Complexes of Photosynthetic Organisms Open
The process of photosynthesis is initiated by the capture of sunlight by a network of light-absorbing molecules (chromophores), which are also responsible for the subsequent funneling of the excitation energy to the reaction centers. Throu…
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Recent advances in twisted intramolecular charge transfer (TICT) fluorescence and related phenomena in materials chemistry Open
Twisted intramolecular charge transfer (TICT) is an electron transfer process that occurs upon photoexcitation in molecules that usually consist of a donor and acceptor part linked by a single bond.
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Highly Oxygenated Organic Molecules (HOM) from Gas-Phase Autoxidation Involving Peroxy Radicals: A Key Contributor to Atmospheric Aerosol Open
Highly oxygenated organic molecules (HOM) are formed in the atmosphere via autoxidation involving peroxy radicals arising from volatile organic compounds (VOC). HOM condense on pre-existing particles and can be involved in new particle for…
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Synthetic Methods Driven by the Photoactivity of Electron Donor–Acceptor Complexes Open
The association of an electron-rich substrate with an electron-accepting molecule can generate a new molecular aggregate in the ground state, called an electron donor-acceptor (EDA) complex. Even when the two precursors do not absorb visib…
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Recent Advances in the Synthesis of Cyclobutanes by Olefin [2 + 2] Photocycloaddition Reactions Open
The [2 + 2] photocycloaddition is undisputedly the most important and most frequently used photochemical reaction. In this review, it is attempted to cover all recent aspects of [2 + 2] photocycloaddition chemistry with an emphasis on synt…
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Photodynamic Therapy Review: Principles, Photosensitizers, Applications, and Future Directions Open
Photodynamic therapy (PDT) is a minimally invasive therapeutic modality that has gained great attention in the past years as a new therapy for cancer treatment. PDT uses photosensitizers that, after being excited by light at a specific wav…
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The influence of the molecular packing on the room temperature phosphorescence of purely organic luminogens Open
Organic luminogens with persistent room temperature phosphorescence (RTP) have attracted great attention for their wide applications in optoelectronic devices and bioimaging. However, these materials are still very scarce, partially due to…
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Oncologic Photodynamic Therapy: Basic Principles, Current Clinical Status and Future Directions Open
Photodynamic therapy (PDT) is a clinically approved cancer therapy, based on a photochemical reaction between a light activatable molecule or photosensitizer, light, and molecular oxygen. When these three harmless components are present to…
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Photochemical Approaches to Complex Chemotypes: Applications in Natural Product Synthesis Open
The use of photochemical transformations is a powerful strategy that allows for the formation of a high degree of molecular complexity from relatively simple building blocks in a single step. A central feature of all light-promoted transfo…
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Mimicking Natural Photosynthesis: Solar to Renewable H<sub>2</sub> Fuel Synthesis by Z-Scheme Water Splitting Systems Open
Visible light-driven water splitting using cheap and robust photocatalysts is one of the most exciting ways to produce clean and renewable energy for future generations. Cutting edge research within the field focuses on so-called "Z-scheme…
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Revealing the spin–vibronic coupling mechanism of thermally activated delayed fluorescence Open
Knowing the underlying photophysics of thermally activated delayed fluorescence (TADF) allows proper design of high efficiency organic light-emitting diodes. We have proposed a model to describe reverse intersystem crossing (rISC) in donor…
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Photocatalytic Water Splitting: Quantitative Approaches toward Photocatalyst by Design Open
A widely used term, “photocatalysis”, generally addresses photocatalytic (energetically down-hill) and photosynthetic (energetically up-hill) reactions and refers to the use of photonic energy as a driving force for chemical transformation…
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Biological Photothermal Nanodots Based on Self-Assembly of Peptide–Porphyrin Conjugates for Antitumor Therapy Open
Photothermal agents can harvest light energy and convert it into heat, offering a targeted and remote-controlled way to destroy carcinomatous cells and tissues. Inspired by the biological organization of polypeptides and porphyrins in livi…
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Understanding Selectivity for the Electrochemical Reduction of Carbon Dioxide to Formic Acid and Carbon Monoxide on Metal Electrodes Open
Increases in energy demand and in chemical production, together with the rise in CO2 levels in the atmosphere, motivate the development of renewable energy sources. Electrochemical CO2 reduction to fuels and chemicals is an appealing alter…