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Search for "photoactive polymers" in Full Text gives 2 result(s) in Beilstein Journal of Organic Chemistry.
Recent advances in the application of isoindigo derivatives in materials chemistry
- Andrei V. Bogdanov and
- Vladimir F. Mironov
Beilstein J. Org. Chem. 2021, 17, 1533–1564, doi:10.3762/bjoc.17.111
- photoelectrochemical reduction of water, as matrix for MALDI spectrometry and in photothermal cancer therapy are also shown. Data published over the past 5 years, including works published at the beginning of 2021, are given. Keywords: isoindigo; OFET; photoactive polymers; photovoltaics; solar cells; Introduction
Graphical Abstract
Scheme 1: Representatives of isomeric bisoxindoles.
Scheme 2: Isoindigo-based OSCs with the best efficiency.
Scheme 3: Monoisoindigos with preferred 6,6'-substitution.
Scheme 4: Possibility of aromatic–quinoid structural transition.
Scheme 5: Isoindigo structures with incorporated acceptor nitrogen heterocycles.
Scheme 6: Monoisoindigos bearing pyrenyl substituents.
Scheme 7: p-Alkoxyphenylene-embedded thienylisoindigo with different acceptor anchor units.
Scheme 8: Nonfullerene OSC based on perylene diimide-derived isoindigo.
Scheme 9: Isoindigo as an additive in all-polymer OSCs.
Scheme 10: Bisisoindigos with different linker structures.
Scheme 11: Nonthiophene oligomeric monoisoindigos for OSCs.
Scheme 12: The simplest examples of polymers with a monothienylisoindigo monomeric unit.
Scheme 13: Monothienylisoindigos bearing π-extended electron-donor backbones.
Scheme 14: Role of fluorination and the molecular weight on OSC efficiency on the base of the bithiopheneisoin...
Scheme 15: Trithiopheneisoindigo polymers with variation in the substituent structure.
Scheme 16: Polymeric thienyl-linked bisisoindigos for OSCs.
Scheme 17: Isoindigo bearing the thieno[3,2-b]thiophene structural motif as donor component of OSCs.
Scheme 18: Thienylisoindigos with incorporated aromatic unit.
Scheme 19: One-component nonfullerene OSCs on the base of isoindigo.
Scheme 20: Isoindigo-based nonthiophene aza aromatic polymers as acceptor components of OSCs.
Scheme 21: Polymers with isoindigo substituent as side-chain photon trap.
Scheme 22: Isoindigo derivatives for OFET technology with the best mobility.
Scheme 23: Monoisoindigos as low-molecular-weight semiconductors.
Scheme 24: Polymeric bithiopheneisoindigos for OFET creation.
Scheme 25: Fluorination as a tool to improve isoindigo-based OFET devices.
Scheme 26: Diversely DPP–isoindigo-conjugated polymers for OFETs.
Scheme 27: Isoindigoid homopolymers with differing rigidity.
Scheme 28: Isoindigo-based materials with extended π-conjugation.
Scheme 29: Poly(isoindigothiophene) compounds as sensors for ammonia.
Scheme 30: Sensor devices based on poly(isoindigoaryl) compounds.
Scheme 31: Isoindigo polymers for miscellaneous applications.
Scheme 32: Mono-, rod-like, and polymeric isoindigos as agents for photoacoustic and photothermal cancer thera...
Recent advances towards azobenzene-based light-driven real-time information-transmitting materials
- Jaume García-Amorós and
- Dolores Velasco
Beilstein J. Org. Chem. 2012, 8, 1003–1017, doi:10.3762/bjoc.8.113
- switches is still a challenge. This aim has attracted a great deal of attention over the past few years due to the potential application of fast photoactive azobenzene-based materials in micropumps and autonomous valves that simulate the beating of the heart; photoactive polymers that mimic cilia movement
Graphical Abstract
Figure 1: Some important families of photochromic compounds and their photochromic reactions.
Figure 2: Photochromism of azobenzene derivatives and energetic profile for the switching process.
Figure 3: General overview of the different types of azoderivatives presented in this review.
Figure 4: Changes in the electronic spectrum of a 3 cis-to-trans isomerising ethanol solution at 45 °C (Δt = ...
Figure 5: Chemical structure and thermal relaxation time in ethanol at 298 K, τ, for the slow thermally-isome...
Figure 6: Rotation and inversion mechanisms proposed for the thermal cis-to-trans isomerisation processes of ...
Figure 7: Effect of the presence of the electron-withdrawing cyano and nitro groups on the thermal relaxation...
Figure 8: Transient absorption generated by UV irradiation (λ = 355 nm) for azo-dyes 8 (right) and 9 (left) i...
Figure 9: Effect of the presence of a positively charged nitrogen as an electron-withdrawing group on the the...
Figure 10: Mechanism proposed for the thermal cis-to-trans isomerisation process for the push–pull azopyridini...
Figure 11: Comparison between the thermal relaxation time at 298 K, τ, for the azoderivative 4 (type-I) and th...
Figure 12: Solvent effect on the thermal relaxation time at 298 K, τ, for the type-II azophenols 11–13.
Figure 13: Transient generated by irradiation with UV-light (λ = 355 nm) for the type-II azophenol 12 in ethan...
Figure 14: Proposed isomerisation mechanisms for the thermal cis-to-trans isomerisation of the alkoxy-substitu...
Figure 15: Solvent effect on the thermal relaxation time at 298 K, τ, for the type-II ortho-substituted azophe...
Figure 16: Cooperative effect of the para- and ortho-hydroxyl groups in azophenol 17.
Figure 17: Effect of the poly-hydroxylation of the azobenzene core on the thermal relaxation time at 298 K, τ,...
Figure 18: Transients generated by irradiation with UV-light (λ = 355 nm) for the poly-substituted azophenol 18...
Figure 19: Effect of the introduction of electron-withdrawing groups in the position 4’ of the azophenol struc...
Figure 20: Transient absorptions generated by UV irradiation (λ = 355 nm) of azo-dyes 11 (type-II), 19 (type-I...
Figure 21: Effect of the introduction of the hydroxyl group in the position 2’ of the push–pull azo-dye on the...
Figure 22: Effect of the substitution of a benzene ring by a pyridine one on the thermal relaxation time in et...
Figure 23: Influence of the introduction of additional electron-withdrawing nitro groups in the pyridine ring ...
Figure 24: Chemical structure and thermal relaxation time in ethanol at 298 K, τ, for the type-III azoderivati...
Figure 25: Oscillation of the optical density of an ethanol solution of azo-dye 26 generated by UV-light irrad...
