Synthetic molecular photoelectrochemistry: new frontiers in synthetic applications, mechanistic insights and scalability

S Wu, J Kaur, TA Karl, X Tian… - Angewandte Chemie …, 2022 - Wiley Online Library
Synthetic photoelectrochemistry (PEC) is receiving increasing attention as a new frontier for
the generation and handling of reactive intermediates. PEC permits selective single …

Visible‐to‐UV Photon Upconversion: Recent Progress in New Materials and Applications

M Uji, TJB Zähringer, C Kerzig… - Angewandte Chemie …, 2023 - Wiley Online Library
Abstract Ultraviolet (UV, λ< 400 nm) light is essential for various photochemical reactions,
but its intensity in the solar spectrum is very low, and light sources that artificially generate …

Electrochemical activation of diverse conventional photoredox catalysts induces potent photoreductant activity

CP Chernowsky, AF Chmiel… - Angewandte Chemie …, 2021 - Wiley Online Library
Herein, we disclose that electrochemical stimulation induces new photocatalytic activity from
a range of structurally diverse conventional photocatalysts. These studies uncover a new …

Photocatalytic Carboxylation of C−N Bonds in Cyclic Amines with CO2 by Consecutive Visible‐Light‐Induced Electron Transfer

L Chen, Q Qu, CK Ran, W Wang… - Angewandte Chemie …, 2023 - Wiley Online Library
Visible‐light photocatalytic carboxylation with CO2 is highly important. However, it still
remains challenging for reluctant substrates with low reduction potentials. Herein, we report …

A General Light‐Driven Organocatalytic Platform for the Activation of Inert Substrates

S Wu, F Schiel, P Melchiorre - Angewandte Chemie, 2023 - Wiley Online Library
Due to their strong covalent bonds and low reduction potentials, activating inert substrates is
challenging. Recent advances in photoredox catalysis offered a number of solutions, each of …

Emerging organic photoredox catalysts for organic transformations

Y Lee, MS Kwon - European Journal of Organic Chemistry, 2020 - Wiley Online Library
A lot of efforts have been made for the development of novel organic photoredox catalysts
(PCs) due to their gratifying replacement for conventional transition metal‐based PCs in …

Electron‐Poor Acridones and Acridiniums as Super Photooxidants in Molecular Photoelectrochemistry by Unusual Mechanisms

J Žurauskas, S Boháčová, S Wu, V Butera… - Angewandte …, 2023 - Wiley Online Library
Electron‐deficient acridones and in situ generated acridinium salts are reported as potent,
closed‐shell photooxidants that undergo surprising mechanisms. When bridging acyclic …

Dual Nickel (II)/Mechanoredox Catalysis: Mechanical-Force-Driven Aryl-Amination Reactions Using Ball Milling and Piezoelectric Materials

T Seo - Palladium-Catalyzed Mechanochemical Cross …, 2024 - Springer
The combination of a nickel (II) catalyst and a mechanoredox catalyst under ball-milling
conditions promotes mechanical-force-driven C–N cross-coupling reactions. In this nickel …

Photophysics of perylene diimide dianions and their application in photoredox catalysis

H Li, OS Wenger - Angewandte Chemie International Edition, 2022 - Wiley Online Library
The two‐electron reduced forms of perylene diimides (PDIs) are luminescent closed‐shell
species whose photochemical properties seem underexplored. Our proof‐of‐concept study …

Blue‐to‐UVB Upconversion, Solvent Sensitization and Challenging Bond Activation Enabled by a Benzene‐Based Annihilator

TJB Zähringer, JA Moghtader… - Angewandte Chemie …, 2023 - Wiley Online Library
Several energy‐demanding photoreactions require harsh UV light from inefficient light
sources. The conversion of low‐energy visible light to high‐energy singlet states via triplet …