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1 article(s) from Kütahya, Ceren

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

Bernd Strehmel,
Christian Schmitz,
Ceren Kütahya,
Yulian Pang,
Anke Drewitz and
Heinz Mustroph

Beilstein J. Org. Chem. 2020, 16, 415–444, doi:10.3762/bjoc.16.40

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Scheme 1: Structural patterns of several symmetric cyanines relating to trimethines (I), pentamethines (II), ...

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Scheme 2: 1-Substituted 2,3,3-trimethylindolium-, 2,3,3-benzo[e]indolium-, and 2,3,3-benzo[c,d]indolium salts...

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Scheme 3: Substitution of the chlorine substituent at the meso-position by a stronger nucleophilic moiety B [68].

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Scheme 4: Structure of alternative chain builders for synthesis of heptamethines.

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Figure 1: Simplified process chart of photophysical processes occurring in NIR absorbers.

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Scheme 5: Chemical structure of the electron acceptors that were from iodonium cations 88 and triazines 89.

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Figure 2: Photoinduced electron transfer under different scenarios in which each example exhibits an intrinsi...

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Scheme 6: Photoexcited absorber 33 results in reaction with an iodonium cation in the respective cation radic...

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Scheme 7: Reaction scheme of absorbers comprising in the molecules center a five ring bridged moiety. This le...

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Scheme 8: Structure of donor compounds used in a three component system.

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Figure 3: Cationic photopolymerization of an epoxide (Epikote 828) initiated by excitation of the absorber 36...

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Scheme 9: Different modes of photoinitiated ATRP using UV, visible and NIR light.

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Scheme 10: The structure of Sens used in photo-ATRP.

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Figure 4: Comparison of the GPC traces of precursor PMMA with a) chain extended PMMA and b) PMMA-b-PS. Condit...

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Figure 5: Spectral changes of the solution of 48 in the presence of [Cu(L)]Br2 (L: tris(2-pyridylmethyl)amine...

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Scheme 11: Photoinduced CuAAC reactions in which photochemical reactions result in formation of the Cu(I) cata...

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Scheme 12: Model reaction between benzyl azide and phenyacetylene using the absorber 48 as NIR sensitizer at 7...

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Figure 6: Block copolymerization of the precursors PS-N3 and Alkyne-PCL results in the block copolymer PS-b-P...

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Figure 7: UV–vis–NIR absorption changes of the solution of 48 in the presence of PMDETA, phenylacetylene and ...

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Scheme 13: Workflow to design and process new materials in a setup based on an intelligent DoE to develop tech...

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Scheme 14: Illustration of the iDoE setting up experiments suggested and analyzed by the A.I. After defining t...

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Scheme 15: Classification of the factors for the formation of polymer networks by NIR-photocuring depending on...

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Published 18 Mar 2020

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