Synthesis, crystal growth, thermal and spectroscopic studies of acentric materials constructed from aminopyridines and 4-nitrophenol

IM Pavlovetc, S Draguta, MI Fokina, TV Timofeeva… - Optics …, 2016 - Elsevier
A series of single co-crystals of non-centrosymmetric complexes of different mono-and
diaminopyridines, namely 4-aminopyridine, 3, 4-diaminopyridine, 2-amino-6-methylpyridine …

Terahertz Properties of Polymers for 2D Nonlinear Grating Formation

I Denisyuk, I Ozheredov, M Fokina, I Ignateva… - Journal of Infrared …, 2022 - Springer
A method for creating of a three-dimensional nonlinear optical grating based on the
alternation of layers with different nonlinear optical properties has been developed. The …

Fluorescences and underlying mechanisms of DAST solid-films and solutions

Y Feng, X Xu, J Liu, J Hu, K Xiong, X Cheng, M Zhang… - Optical Materials, 2021 - Elsevier
The outstanding organic nonlinear optical material of 4-N, N-dimethylamino-4′-N′-methyl-
stilbazolium tosylate (DAST) also exhibits fluorescence. While a strong fluorescence would …

Composite materials based on SiO2-matrices saturated with DAST

ON Bezkrovnaya, GN Babenko, IM Pritula… - Journal of Non …, 2020 - Elsevier
In the present work the synthesis, structure and spectral properties of SiO 2-matrices of
different porosity (23%, 48% and 78%) doped by 4-N, N-dimethylamino-4′-N'-methyl …

The influence of dimensional parameters of DAST nanocrystals on their linear and nonlinear optical parameters

TN Pogosian, IY Denisyuk, ND Lai - Optics and Spectroscopy, 2019 - Springer
Abstract Nonlinear optical trans-4'-(dimethylamino)-N-methyl-4-stilbazolium tosylate (DATS)
nanocrystals are synthesized in polymethylmethacrylate by nucleation in a drying polymer …

Photobleaching of submicron DAST crystals in a PMMA film by direct laser writing

TN Pogosian, IY Denisyuk, ND Lai… - Optics and Spectroscopy, 2019 - Springer
Selective photobleaching of DAST (trans-4'-(dimethylamino)-Nmethyl-4-stilbazolium
tosylate) non-linear crystals in a 2-μm-thick polymethacrylate film using direct laser writing at …

Synthesis and nonlinear optics characterization of DAST submicron crystals in polymerized thin films

T Pogosian, TNA Mai, I Denisyuk… - Micro-Structured and …, 2018 - spiedigitallibrary.org
Highly nonlinear optical 4-(4-dimethylaminostyryl)-1-methylpyridinium tosylate (DAST)
crystals have been successfully grown in micron scale and have been fixed in polymerized …

Nanoparticles of organic nonlinear optical molecular crystals synthesized by laser ablation in liquid

NA Zulina, SU Achor, IY Denisyuk - Optical and Quantum Electronics, 2016 - Springer
In this work, nanoparticles of nonlinear optical organic molecular cocrystal DAST (4-
dimethylamino-N-methylstilbazolium p-toluenesulfonate) were obtained by pulsed laser …

Study of spectroscopic and thermal characteristics of nonlinear optical molecular crystals based on 4-nitrophenol

IM Pavlovetc, MI Fokina - Journal of Physics: Conference Series, 2016 - iopscience.iop.org
The paper presents the results of study of spectroscopic and thermal characteristics of
molecular co-crystals: 2-aminopyridine-4-nitrophenol-4-mtrophenolate (2AP4N) and 2, 6 …

Organic noncentrosymmetric complexes of 4-nitrophenol for second harmonic generation

IM Pavlovetc, S Draguta, MI Fokina… - Pacific Rim Laser …, 2015 - spiedigitallibrary.org
The paper reports synthesis and co-crystallization of 5 co-crystal of 4-nitrophenol (4N) with
five different monoand diaminopyridines (4-aminopyridine (4AP); 3, 4-diaminopyridine …