ArticleAngewandte Chemie (International ed. in English)2020
NIR-Sensitized Activated Photoreaction between Cyanines and Oxime Esters: Free-Radical Photopolymerization.
Article in Angewandte Chemie (International ed. in English), 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 72 citations in OpenAlex.
- Triplet Energy Transfer Strategy for Visible Light Activation of Bio-Based Oxime Esters in Photopolymerization and 3D Printing.Small (Weinheim an der Bergstrasse, Germany) · 2026Article
- Bis(2-amino-5-thienyl)Ketone as Oxygen Tolerant Sensitizer for Conventional Radical Photopolymerization.Angewandte Chemie (International ed. in English) · 2026Article
- NIR-Sensitized Activated Formation of Lophyl Radicals by Heptamethine Cyanines Enables Dry Film Photoresists.Angewandte Chemie (International ed. in English) · 2025Article
- 3D printing of unsupported multi-scale and large-span ceramic via near-infrared assisted direct ink writing.Nature communications · 2023Article
- Effect of Arylazo Sulfones on DNA: Binding, Cleavage, Photocleavage, Molecular Docking Studies and Interaction with A375 Melanoma and Non-Cancer Cells.International journal of molecular sciences · 2023Article
- Article
- Rational Selection of Cyanines to Generate Conjugate Acid and Free Radicals for Photopolymerization upon Exposure at 860 nm.Angewandte Chemie (International ed. in English) · 2021Article
- NIR-Sensitized Cationic and Hybrid Radical/Cationic Polymerization and Crosslinking.Angewandte Chemie (International ed. in English) · 2021Article
- NIR-Sensitized Activated Photoreaction between Cyanines and Oxime Esters: Free-Radical Photopolymerization.Angewandte Chemie (International ed. in English) · 2020Article
Corrections and comments
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Authors and funding
11 authors at 6 institutions in 4 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
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 nm, 860 nm, or 870 nm, while different oxime esters function as radical coinitiators. Radical photopolymerization followed an initiation mechanism based on the participation of excited states, requiring additional thermal energy to overcome an existing intrinsic activation barrier. Heat released by nonradiative deactivation of the sensitizer favored the system, even under conditions where a thermally activated photoinduced electron transfer controls the reaction protocol. The heat generated internally by the NIR sensitizer promotes generation of the initiating reactive radicals. Sensitizers with a barbiturate group at the meso-position preferred to bleach directly, while sensitizers carrying a cyclopentene moiety unexpectedly initiated the photosensitized mechanism.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.