Photoisomerizable azobenzene dyes incorporated into polymers and dendrimers. Influence of the molecular aggregation on the nonlinear optical properties

F Cuetara-Guadarrama, M Vonlanthen… - Dyes and …, 2021 - Elsevier
In this feature article, an overview of azobenzene containing dyes, polymers and dendrimers
is presented. The main focus is on the results obtained in our research group during the last …

Systematically exploring molecular aggregation and its impact on surface tension and viscosity in high concentration solutions

H Wang, H Kong, J Zheng, H Peng, C Cao, Y Qi… - Molecules, 2020 - mdpi.com
The aggregation structure of dye molecules has a great influence on the properties of dye
solutions, especially in high concentration. Here, the dye molecular aggregation structures …

Preparation and characterization of novel grafted polyethylene based azo-polymers bearing oligo (ethylene glycol) spacers

E Rivera, M del Pilar Carreón-Castro, R Salazar… - Polymer, 2007 - Elsevier
Novel grafted azo-polymers were prepared from commercial low density polyethylene plates
(PE). First, precursor polymers were synthesized by reacting PE in the presence of acryloyl …

Amphiphilic azo-dyes (RED-PEGM). Part 2: Charge transfer complexes, preparation of Langmuir–Blodgett films and optical properties

E Rivera, M del Pilar Carreón-Castro, L Rodríguez… - Dyes and pigments, 2007 - Elsevier
Optical properties of three amphiphilic azo-dyes bearing end-capped oligo (ethylene glycol)
segments: N-methyl-N-{4-[(E)-(4-nitrophenyl) diazenyl] phenyl}-N-(3, 6, 9-trioxadecas-1-yl) …

Nanoscale map** of wavelength-selective photovoltaic responses in H-and J-aggregates of azo dye-based solar cell films

S Shekhar, I Park, J Kim, M Yang, D Cho… - Journal of Materials …, 2021 - pubs.rsc.org
In the present study, nanoscale wavelength-selective photovoltaic activities in H-and J-
aggregates of azo dye-based solar cell films were mapped by wavelength-dependent …

Solvent‐Polarity‐Tunable Dimeric Association of a Fullerene (C60)–N,N‐Dimethylaminoazobenzene Dyad: Modulated Electronic Coupling of the Azo Chromophore …

KS Kumar, A Patnaik - Chemistry–A European Journal, 2011 - Wiley Online Library
The tunable self-assembly of a fullerene (C60)–N, N-dimethylamino-
ACHTUNGTRENNUNGazobenzene (DPNME) molecular system as a function of solvent …

Design of novel luminescent porphyrins bearing donor–acceptor groups

C Caicedo, G Zaragoza-Galán, J Crusats… - Journal of Porphyrins …, 2014 - World Scientific
In this work, we report the synthesis and characterization of a novel series of porphyrins,
some of them bearing donor-acceptor groups. meso-substituted free-base porphyrins: 5-(4 …

Density, viscosity, thermal expansion coefficients and heat capacity ratios of an environmentally hazardous dye tartrazine in aqueous solutions in the temperature …

PK Gautam, RK Gautam, RS Saroj… - Proceedings of the …, 2015 - Springer
Density and dynamic viscosity of binary mixtures of water and tartrazine have been
measured over the entire concentration regime in the temperature range (293.15–333.15 K) …

Synthesis and characterization of novel amphiphilic azo-polymers bearing well-defined oligo (ethylene glycol) spacers

T García, MP Carreón-Castro… - Designed Monomers …, 2012 - Taylor & Francis
Four novel azo-polymers bearing oligo (ethylene glycol) spacers were synthesized and
characterized. Monomers were prepared by esterification of the RED-PEG dyes previously …

Highly oriented J-aggregates of nitroazo dye and its surface-induced chromism

T Tanaka, M Ishitobi, T Aoyama, S Matsumoto - Langmuir, 2016 - ACS Publications
Highly oriented J-aggregates of a nitroazo dye were obtained in solid thin films on aligned
poly (tetrafluoroethylene) surfaces. During film deposition on a friction-transferred poly …