Photophysics and photochemistry of NIR absorbers derived from cyanines: key to new technologies based on chemistry 4.0

B Strehmel, C Schmitz, C Kütahya… - Beilstein Journal of …, 2020 - beilstein-journals.org
Cyanines derived from heptamethines were mainly discussed regarding their
functionalization to broaden the solubility in different surroundings exhibiting either …

Light‐Mediated Polymerization Catalyzed by Carbon Nanomaterials

X Luo, Y Zhai, P Wang, B Tian, S Liu… - Angewandte Chemie …, 2024 - Wiley Online Library
Carbon nanomaterials, specifically carbon dots and carbon nitrides, play a crucial role as
heterogeneous photoinitiators in both radical and cationic polymerization processes. These …

Near‐Infrared Sensitized Photoinduced Atom‐Transfer Radical Polymerization (ATRP) with a Copper (II) Catalyst Concentration in the ppm Range

C Kütahya, C Schmitz, V Strehmel… - Angewandte Chemie …, 2018 - Wiley Online Library
NIR‐sensitized photoinduced atom‐transfer radical polymerization (ATRP) is possible by
using ppm of CuII/tris (2‐pyridylmethyl) amine (TPMA) as the catalyst, a polymethine as the …

Development of the first panchromatic BODIPY-based one-component iodonium salts for initiating the photopolymerization processes

M Topa-Skwarczyńska, M Galek, M Jankowska… - Polymer …, 2021 - pubs.rsc.org
Herein, new iodonium salts based on a 4, 4-difluoro-1, 3, 5, 7, 8-pentamethyl-4-bora-3a, 4a-
diaza-s-indecene (B-1) chromophore have been introduced to 3D printing applications …

Distinct Sustainable Carbon Nanodots Enable Free Radical Photopolymerization, Photo‐ATRP and Photo‐CuAAC Chemistry

C Kütahya, Y Zhai, S Li, S Liu, J Li… - Angewandte Chemie …, 2021 - Wiley Online Library
Carbon nanodots (CDs) originating from different biomass result in different activities to
sensitize photo‐ATRP and photo‐CuAAC reaction protocols with visible light. Free radical …

Cyanine-based near infra-red organic photoredox catalysis

ARO Kosso, N Sellet, A Baralle, M Cormier… - Chemical …, 2021 - pubs.rsc.org
Direct metal-free near infra-red photoredox catalysis is applied to organic oxidation,
photosensitization and reduction, involving cyanines as photocatalysts. This photocatalyst is …

NIR-sensitized photoinitiated radical polymerization and proton generation with cyanines and LED arrays

C Schmitz, A Halbhuber, D Keil, B Strehmel - Progress in Organic Coatings, 2016 - Elsevier
Photoinitiated radical polymerization using as photoinitiator system a combination of NIR-
sensitizer (Sens) and a radical initiator (RI) was investigated in different multifunctional …

Rational selection of cyanines to generate conjugate acid and free radicals for photopolymerization upon exposure at 860 nm

Q Wang, S Popov, A Feilen, V Strehmel… - Angewandte Chemie …, 2021 - Wiley Online Library
Different cyanines absorbing in the NIR between 750 and 930 nm were applied to study the
efficiency of both radical and cationic polymerization in combination with diaryliodonium salt …

NIR‐Sensitized Activated Photoreaction between Cyanines and Oxime Esters: Free‐Radical Photopolymerization

Y Pang, S Fan, Q Wang, D Oprych, A Feilen… - Angewandte …, 2020 - Wiley Online Library
Cyanines comprising either a benzo [e]‐or benzo [c, d] indolium core facilitate initiation of
radical photopolymerization combined with high power NIR‐LED prototypes emitting at 805 …

New high‐power LEDs open photochemistry for near‐infrared‐sensitized radical and cationic photopolymerization

C Schmitz, Y Pang, A Gülz, M Gläser… - Angewandte Chemie …, 2019 - Wiley Online Library
Cyanines derived from heptamethines were investigated in combination with iodonium salts
as initiators of the radical polymerization of tripropylene glycol diacrylate and epoxides …