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Artikel

Photoinduced Electron Donor–Acceptor Complex‐Enabled Transformations Involving Boron‐Containing Compounds

von Jianzhong Lu et al.

· 20.08.2025

This review explores the emerging application of boron-containing compounds in visible-light-induced transformations via electron donor–acceptor (EDA) complexes. It focuses on the development of CC, CB, and CS bonds formation through the EDA path...

Artikel

A NaGdGeO: Tm3+, Dy3+ Phosphor with Anomalous Thermal Quenching for Use in WLEDs

von Xihu Wang et al.

· 20.08.2025

NaGd_1–x–yGeO₄: xTm³⁺, yDy³⁺ phosphors for white light-emitting diodes are synthesized by a high-temperature solid-phase method. By utilizing the energy transfer mechanism, anomalous thermal quenching and adjustable white light have been achieved. ...

Artikel

Anti‐Kasha Emission in Organic Radicals: Mechanistic Insights and Experimental Caveats

von Yujie Zhu et al.

· 20.08.2025

Organic radicals generally adhere to Kasha's rule, where luminescence originates from the lowest excited state. However, certain radical systems deviate from this rule, exhibiting anti-Kasha emission from higher-energy excited states. This review ex...

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Design of Enaminitrile Switches with Enhanced Protofluorochromic Properties

von Zhen Yang et al.

· 20.08.2025

Protofluorochromic enaminitrile molecular switches exhibit tunable fluorescence through E/Z isomerization and protonation. This study explores the influence of pyridine substitution on fluorescence properties, intramolecular charge transfer, and sol...

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Enhancing Photocurrent of Bismuth Manganate Photoanodes with Nanoislands of Bismuth Oxide

von Nitin P. et al.

· 20.08.2025

Bismuth manganate (BMO) thin films with bismuth oxide nanoislands, prepared via sol–gel, on fluorine-doped tin oxide substrates, show a tenfold increase in photocurrent as compared to pristine BMO thin films. Overlayers with suitable band alignment ...

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How Donor–Bridge–Acceptor Orientation and Chemical Modification Affect the Thermally Activated Delayed Fluorescence Abilities of Boron‐Based Emitters

von Jeremy M. et al.

· 20.08.2025

Quantum chemistry has been used to investigate the key factors that determine the (reverse) intersystem crossing processes in boron-based organic light-emitting diode emitters. The ortho-linked through-space charge-transfer compounds exhibit smaller...

Artikel

Light‐ and Water‐Driven Nanoarchitectonics of Amphiphilic Azobenzene Derivatives: Photoswitching and Self‐Aggregation Dispersion Studies

von Gopal Kumar et al.

· 20.08.2025

An aggregation dispersion behavior is studied in UV light and in the presence of water to azobenzene derivatives. The nonfluorinated trans and cis derivative initially appear in the macromolecular aggregated states but the addition of water disperse...

Artikel

Fluorescent and Chemiluminescent Dyes with Aryl Phthalimide and Aryl Luminol Chromophores

von Ben C. et al.

· 20.08.2025

A series of photo-active phthalimides and luminols is prepared by an arylation method from a key precursor. Significant stereoelectronic correlation of the aromatic substituents with the photophysical properties is documented. A new arylated luminol...

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Mechanistic and Physicochemical Insights into the Photoactivation Pathways of a Charge Transfer ATRP Photoinitiator

von Bénédicte Grebille et al.

· 20.08.2025

A comprehensive elucidation of the photopolymerization mechanism of a novel “V-shaped” photosensitizer, engineered for strong visible-light absorption and a highly reactive triplet excited state lays the groundwork for future advancements in both on...

Artikel

Photothermally Enhanced Photocatalytic Glycerol Oxidation on AuPt/MnO2‐Mn3O4

von Xiaoyuan Liu et al.

· 20.08.2025

AuPt alloy nanoparticles of 1 wt% supported on MnO₂-Mn₃O₄ heterostructures have been prepared by in situ transformation of α-MnO₂. They exhibit enhanced activity for aerobic photocatalytic glycerol oxidation under ambient conditions due to synergist...

Artikel

Polarity‐Insensitive Triphenylmethyl‐Type Luminescent Organic Radicals with Simple Benzene Derivative Substitution

von Zhuoyang Hu et al.

· 20.08.2025

Three π-conjugated biphenyl/terphenyl-containing TTM-based organic radicals were synthesized. Radicals exhibit strong red luminescence even in the highly polar solvent tetrahydrofuran. Studies showed that nonlinear conjugation between substituent gr...

Artikel

Trifluoroacetylated Trimethine, Pentamethine, and Heptamethine Cyanine Dyes: Syntheses, Structures, and Photochemical Properties

von Yuya Yamada et al.

· 20.08.2025

Herein, the rapid, concise, and straightforward synthesis of trifluoroacetylated trimethine, pentamethine, and heptamethine cyanine dyes is reported via the direct trifluoroacetylation of trimethine, pentamethine, and heptamethine cyanine dyes using...

Artikel

Advances in Nonlinear Optics of Twisted Push Pull Organic Chromophores

von Kai Xue et al.

· 20.08.2025

This review analyzes the nonlinear optical properties of different types of D-π-A push–pull twisted organic chromophores. By optimizing the twisting angle, increasing the donor and acceptor strengths, and optimizing the conjugated bridges, intramole...

Artikel

Anthraquinone Sulfonates as Water‐Soluble Photocatalysts: Synthetic Applications and Perspectives

von Daniel Kolb et al.

· 20.08.2025

The development of photochemistry in water is rapidly advancing, and the demand for water-soluble photocatalysts is increasing. Accordingly, anthraquinone sulfonates are interesting options for the activation of organic molecules through H-atom tran...

Artikel

Chemical Composition Regulation for Tuning the Luminescent Properties of Organic–Inorganic Metal Halides

von Zhizhuan Zhang et al.

· 20.08.2025

In this review, the feasible strategies for regulating the luminescent properties of organic–inorganic hybrid metal halides are summarized, which include the flexible, bulkier, chiral, and functionality of organic components, the diverse configurati...

Artikel

Polarization Dependence of Photothermally Resonated Natural Vibration in an Aminoanthraquinone Crystal

von Shodai Hasebe et al.

· 01.09.2025

A thin plate-like 1,4-di-p-toluidinoanthraquinone (Solvent Green 3) crystal oscillats upon pulsed linearly polarized light based on photothermally resonated natural vibration. The crystal oscillates with different magnitude depending on the polariza...

Artikel

Polarity and Viscosity‐Sensitive Fluorescent Probe for Lipid Droplet Imaging

von Krittapong Leewongwat et al.

· 01.09.2025

A dual-responsive fluorescent naphthalimide probe shows strong fluorogenic sensitivity to solvent polarity and viscosity. It enables precise imaging of lipid droplets in live cells, with enhanced fluorescence under high-viscosity conditions, offerin...

Artikel

Design of Heterostructured Mo:BiVO4/Tio2 and Mo:BiVO4/Co‐Pi Photoanodes for Efficiency and Durability Comparison In Solar‐Driven Water Oxidation Under Acidic Conditions

von Adeline Blot et al.

· 28.08.2025

Mo-doped BiVO₄ photoanodes with TiO₂ passivation and Co-Pi co-catalyst show enhanced performance under acidic conditions. Mo doping improves conductivity; TiO₂ prevents corrosion with stable photocurrent (≈0.3mAcm⁻²); Co-Pi enhances OER kinetics, ac...

Artikel

Elucidating Dual Pathways for Light‐Driven Degradation Using Intrinsic Azo Dye Photochemistry

von Domenica R. et al.

· 21.08.2025

The widespread use of azo dyes in the textile industry and the difficulty in mineralizingthem under environmental conditions makes azo dyes a persistent pollution problem. This work reports the photodegradation of acid violet 3 in which the intrinsi...

Artikel

Fusion‐Driven Design of High‐Performance Triplet Harvesting Emitters From Benzophenone Core

von Ajeet Kumar et al.

· 21.08.2025

This review traces the development of multiresonant thermally activated delayed fluorescence (MR-TADF) molecules from benzophenone through direct heteroatom fusion, including derivatives like acridone, xanthone, and thioxanthone. It covers their pho...

Artikel

Nature‐Inspired Uv Filters: Synthetic Mycosporine‐Like Amino Acids and Gadusol Analogs for Enhanced Photoprotective and Antioxidant Performance

von Leonardo López‐Cóndor et al.

· 18.08.2025

Photoprotection is a current and relevant topic; therefore, the development of new sunscreens is necessary. To this end, nature is examined for molecules such as mycosporine-like amino acids and gadusol. Through rational design, this study has succe...

Artikel

Photoelectrochemical Detection of Carcinoembryonic Antigen Based On Pillar[5]Arenes Functionalized Ag@Au Nanowires Modified with RGO‐C3N4

von Jimei Chen et al.

· 18.08.2025

A novel on–off PEC sensor is developed for sensitive CEA detection using WP5-functionalized Ag@Au nanowires on RGO-C₃N₄ composites. The photoelectrochemical (PEC) platform has been a critical tool in biomolecules detection for its sensitive and sel...

Artikel

Exploring Riboflavin Derivatives in the Photodynamic Inactivation of Staphylococcus aureus

von Micaela Agustina et al.

· 14.08.2025

Riboflavin derivatives are synthesized and evaluated for photodynamic inactivation of microorganisms as an alternative to antibiotics. This study analyzes their photostability and singlet-oxygen generation under visible blue light. Systems with thes...

Artikel

Laser‐Driven Charge‐Transfer Dynamics in the Quaterthiophene–Fullerene Donor/Acceptor Interface

von Jannek Räder et al.

· 14.08.2025

This ab initio study investigates laser-induced charge-transfer in a quaterthiophene/fullerene complex at varying intensities of the external pulse. Pulses above 3 GW cm⁻ ² are needed to trigger charge transfer, which is enabled by vibrations in the...

Artikel

Beyond Spectral Similarity: How to Distinguish Polymorphs with Similar Solid‐State Circular Dichroism Anisotropy Spectra?

von Marcin Górecki et al.

· 08.08.2025

Beyond spectral similarity: conventional electronic circular dichroism (ECD) struggles to distinguish chiral compounds with similar spectra. It is shown that solid-state circular dichroism anisotropy (CDA) probed by ECD imaging (ECDi) technique reve...

Artikel

Synthesis and Photophysical Properties of New Highly Substituted Symmetrical and Nonsymmetrical Fluorescent Triazaborinine Derivatives

von Edgar Rojas‐Arroyo et al.

· 28.07.2025

This study described the synthesis and photophysical properties of polysubstituted symmetrical and non-symmetrical difluoro-boron-triaza-anthracene (BTAA) and difluoro-boron-triaza-cyclopentanaphthalene (BTCPN) derivatives. It analyzed the effect of...

Artikel

Recent Advances and Constructing Strategies of Chemiluminescence‐ and Bioluminescence‐Based Photodynamic Therapy

von Yuqin Ge et al.

· 23.07.2025

Photodynamic therapy (PDT) is a noninvasive therapy for cancer and many other diseases. A PDT system includes three key components: a light source, photosensitizers (PSs), and oxygen. Internal light sources, such as chemiluminescence (CL) and biolum...

Artikel

Tailoring the Film Thickness of Template‐Assisted Sol–Gel‐Derived Porous WO3 Photoanodes for Highly Efficient Photoelectrochemical Water Oxidation

von Lukas Max et al.

· 23.07.2025

We systematically optimize the performance of sol–gel-derived porous WO₃ thin-film photoanodes by tailoring their porosity and film thickness. Porous WO₃ photoanodes with an optimized thickness of 3.0 µm exhibit a maximum photocurrent of up to 3.3 m...

Artikel

Organic Room‐Temperature Phosphorescence From Single‐Component Propeller‐Like Molecules

von Hong Pan et al.

· 22.07.2025

Organic room-temperature phosphorescence (RTP) materials have received considerable research interest in photoelectric devices, sensing and imaging, and information encryption. However, obstacles such as limited material structure and complex regula...

Artikel

Fluorescence Lifetime Based Probes for Water Mediated Proton Transfer and Weak Bases

von Marko H. et al.

· 22.07.2025

Two hydroxybenzoic acid substituted diazaoxatriangulenium (DAOTA⁺) fluorescence lifetime probes, is synthesized and which is capable of reporting on intra- and intermolecular proton transfer (PT)rates in water. Intramolecular PT in these probes only...

Artikel

Designing a Metal Nanocluster‐Based Fluorescence Assay for the Differential Detection of Nitroimidazole and Nitrofuran Antibiotics In Environmental and Food Samples

von Anna Sebastian et al.

· 22.07.2025

Amino acid-capped metal nanoclusters (NCs) offer a smart, turn-off sensing platform for nitro-antibiotics via the inner filter effect. The precisely tailored spectral overlap allows unambiguous differentiation between nitro-imidazole and nitro-furan...

Artikel

Light‐Emitting Diodes as Wireless Optical Transducers of Chemical Information

von Marine Lavainne et al.

· 22.07.2025

The synergy of light-emitting diodes (LEDs) and bipolar electrochemistry has been explored to develop novel and straightforward optical readouts of chemical information. These approaches offer the possible encoding of the chemical information on the...

Artikel

Semi‐Automated Pipeline for Transition State Search of Molecular Photoswitches

von Roman Yu. et al.

· 21.07.2025

A semi-automated pipeline for the transition state search of molecular switches (PiTS³) is reported, which facilitates the search, optimization, and conformational analysis of transition states of photochemical switches based on the stilbene, imine,...

Artikel

Sunlight‐Driven Photocatalytic Synthesis of Deep‐Blue Light‐Emissive Carbazolyl‐α‐Aminophosphonates Via The Kabachnik–Fields Reaction

von Rama Mohana et al.

· 19.07.2025

An unconventional sunlight-induced photocatalytic method has been developed for the synthesis of deep-blue light emissive CAPs (4) via a solvent-free Kabachnik–Fields reaction under open air atmosphere. The results indicate that the synthesized bifu...

Artikel

Honeycomb‐Like g‐C3n4 for Efficient Cross‐Dehydrogenative Coupling Reaction of Tetrahydroisoquinolines

von Dingjun Liu et al.

· 19.07.2025

Porous carbon nitride (P-C₃N₄) was prepared by one-step urea calcination. Its hierarchical porous structure and defects boost visible light and enhance mass transfer. This catalyst exhibits 44% longer carrier lifetime than bulk C₃N₄ and can be easil...

Artikel

An Integrated Theoretical and Spectroscopic Analysis of the pH‐Triggered Ring‐Opening Mechanism in a Prototype Rhodamine‐Based Fluorescent Dye

von Mariangela Oggianu et al.

· 12.07.2025

A novel ratiometric fluorescent platform is studied at high proton concentration to investigate the proton-mediated rhodamine spirolactam/ring-opening mechanism. This study is carried out combining spectrophotometric and potentiometric measurements,...

Artikel

Control of Circularly Polarized Luminescence in Extended Π‐Electronic Aromatics‐Based Chiral Liquid Crystals Induced by Electric Fields

von Kazuki Terakubo et al.

· 09.07.2025

Chiral nematic liquid crystals (N*-LC) doped with achiral fluorescent aromatic molecules emit strong circularly polarized luminescence (CPL) and act as a reversible CPL switch that can be regulated by turning the applied direct-current electric fiel...

Artikel

Symmetric Bis‐Kryptopyrrol‐2‐Yl Squaraine as a Viscosity Probe and Dual‐State Emitter

von Daniel D. et al.

· 08.07.2025

Previously unknown capabilities of one of the original squaraine dyes as a viscosity probe and dual-state emitter are revealed, with aggregated forms of the dye being responsible for the near-IR emission in the solid state. Easily accessible small ...

Artikel

Layered Perovskite/g‐C3N4 S‐Scheme Heterojunction for an Improved Photocatalytic Reduction of Bicarbonate to Formate

von Dhruv Chauhan et al.

· 08.07.2025

Photocatalytic reduction of CO₂ to formate is a sustainable way to control atmospheric CO₂ concentration and simultaneously produce valuable products using the renewable energy (light) source. The Fe₂SnO₄/gCN photocatalyst generates formate from CO₂...

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Weak H‐Bonds of Fluorophenyl Synthons Enabling Efficient and Entropically Stabilized Supramolecular Electro‐Optic Dendrimers

von Di Zhang et al.

· 07.07.2025

Weak hydrogen bonding interactions in singular fluorophenyl synthons enable efficient and entropically stabilized supramolecular electro-optic (EO) dendrimers. It demonstrates the highest effective EO activity reported to date for dendrimers measure...

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Star‐Shaped Fluorescent Porphyrins with Impressive Two‐Photon‐Absorption Cross‐Sections for Oxygen Sensitization: The Impact of Periphery‐Conjugated Electron‐Releasing Groups

von Limiao Shi et al.

· 01.07.2025

A new family of superpower star like porphyrins with enhanced two-photon photosensitizing efficiency has been synthesized. Their detailed luminescence properties and other photophysical properties of interest are discussed in the frame of two-photon...

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Enhancement on Visible Light‐Induced Cyclization Reactivity of a Diarylethene–Perylenebisimide Dyad by Incorporating Heavy Atom Effect with El‐Sayed Rule

von Kana Tsuruta et al.

· 01.07.2025

An efficient UV-free diarylethene–perylenebisimide (DAE–PBI) dyad is designed and synthesized. Incorporating the internal heavy atom effect and the El-Sayed rule enhanced the visible light-induced cyclization reaction. The dyad exhibited high conver...

Artikel

Mechanistic Investigations of Photocatalytic Systems by Pump‐Pump‐Probe Spectroscopy

von Daniel H. et al.

· 30.06.2025

Pump-pump-probe spectroscopy has become an important tool for mechanistic studies of photocatalytic systems based on multiphoton processes. This review examines how this technique is used to mechanistically investigate photocatalytic systems, includ...

Artikel

Supramolecular White‐Light Emission Controlled by Regulation of Host–Guest Interaction, Illumination, and Slight Förster Resonance Energy Transfer

von Qian Zhang et al.

· 30.06.2025

The slight FRET systems incorporating donors and acceptors can achieve tunable multicolor emissions. Irradiating the FRET system results in a system capable of tuning fluorescence from pink to pure white or even yellow. These recent findings highlig...

Artikel

Synthesis and Evaluation of Silicon‐Containing Acridine Photocatalysts

von Liubov O. et al.

· 30.06.2025

Photocatalytic activity of acridines with sterically hindered tetrahedral substituents in the 9 position is studied. A method for the synthesis of 9-silylacridines via lithiation/silylation sequence is described. The reactivity difference between si...

Artikel

Synergistic Effects of Siloxy and Silylmethoxy Moieties on Room‐Temperature Phosphorescence of 1,4‐Dibenzoylbenzene Luminophores

von Masaki Shimizu et al.

· 30.06.2025

Room-temperature phosphorescence (RTP) in both the solid state and polymer films is achieved using 1,4-dibenzoyl-2-siloxy-5-(silylmethoxy)benzenes. The siloxy group plays a crucial role in attaining high RTP quantum yields in the solid state, while ...

Artikel

Enhancing the Water‐Resistant Performance of Organic Room‐Temperature Phosphorescence Materials

von Huan Chen et al.

· 30.06.2025

This concept summarizes recent advancements in water-resistant organic room-temperature phosphorescence materials, emphasizing design strategies including supramolecular assembly, nanoparticle encapsulation, chromophore immobilization, and chromopho...

Artikel

MXene‐Derived g‐C3N5/TiO2/Ti3C2 Nanoheterostructure Activated by Peroxymonosulfate for Photocatalytic Tetracycline Degradation under Visible Light

von Yuan Bai et al.

· 25.06.2025

Under visible light, a Z-type heterojunction is formed between Ti₃C₂/TiO₂ and g-C₃N₅ to enhance charge separation. Electrons and holes directly or indirectly react with PMS to generate free radicals such as ·O2−$\text{O}_{2}^{-}$,·OH, and ¹O₂ to deg...

Artikel

Exploring Halogenation and Hydrogen Bonding in Conjugated Poly (3‐Thienylboronic Acid)/g‐C3N5 Nanosheet Heterojunctions for Highly Efficient Photocatalytic Hydrogen Production Under Visible Light Irradiation

von Saravanan Kamalakannan et al.

· 18.06.2025

A hydrogen-bonded hybrid photocatalyst composed of graphitic carbon nitride (g-CN) and a boron-functionalized polymer has been developed to achieve efficient solar-driven hydrogen evolution. The heterostructure not only enhances light harvesting but...

Artikel

Light‐Mediated Modification and Manipulation of Nucleic Acids

von Yujie Jiang et al.

· 14.06.2025

This review presents recent advancements in light-mediated modifications of nucleic acids, with a particular focus on innate functionalization, interstrand crosslinking, photouncaging, photoswitching, and DNA-encoded libraries. These methodologies h...

Artikel

Recent Development of Upconversion Nanocrystal–Based Heterostructures: Synthetic Strategies and Biomedical Applications

von Yufang Kou et al.

· 11.06.2025

In this review, the recent development of upconversion nanocrystal (UCNC)–based heterostructure is summarized. The heterostructures form an intriguing system where the morphology and physicochemical properties are profoundly modulated by the synergi...

Artikel

Breaking of Kasha's Rule: Excitation Wavelength‐Dependent Emission from Acenaphthylene‐Based Hydrazones and their Biological Studies

von Rakshantha Srithar et al.

· 03.06.2025

A multicolor emission is achieved from a single hydrazone molecule by tuning the excitation wavelength. The emissions from locally excited states and excited-state intramolecular proton transfer result in the multicolor emission. It is evident that ...

Artikel

Photochemistry of Resveratrol: Beyond the Reactivity of Metal‐Free Porphyrins Immobilized on Lignin

von Elisa De et al.

· 02.06.2025

Resveratrol photochemistry with singlet oxygen is examined at 450 nm using blue-LED irradiation and various homogeneous and heterogeneous photosensitizers. Products of CC bond cleavage, electrocyclic ring closure, and [4 + 2] cycloaddition are iden...

Artikel

Role of Ion‐Pair and H‐Bonding in Colorimetric Detection of Insulin Fibrils with Picomolar Sensitivity

von Ayentika Sen et al.

· 21.03.2025

Ultrasensitive detection (LOD=2 pM) of insulin amyloid fibril is achieved using a hemicyanine dye. A unique feature of amyloid induced dissociation of ion-pair and solute-solvent hydrogen bonding has been established to play a pivotal role for dual ...