Laser-induced formation of “craters” and “hills” in azobenzene-containing polymethacrylate films

Bobrovsky, A.; Mochalov, K.; Solovyeva, D.; Shibaev, V.; Cigl, Martin; Hamplová, Věra; Bubnov, Alexej

doi:https://dx.doi.org/10.1039/d0sm00601g

Number of the records: 1

Laser-induced formation of “craters” and “hills” in azobenzene-containing polymethacrylate films

1.

SYSNO ASEP	0533000
Document Type	J - Journal Article
R&D Document Type	Journal Article
Subsidiary J	Článek ve WOS
Title	Laser-induced formation of “craters” and “hills” in azobenzene-containing polymethacrylate films
Author(s)	Bobrovsky, A. (RU) Mochalov, K. (RU) Solovyeva, D. (RU) Shibaev, V. (RU) Cigl, Martin (FZU-D)_{RID, ORCID} Hamplová, Věra (FZU-D)_{RID, ORCID, SAI} Bubnov, Alexej (FZU-D)_{RID, ORCID, SAI}
Number of authors	7
Source Title	Soft Matter - ISSN 1744-683X Roč. 16, č. 23 (2020), s. 5398-5405
Number of pages	8 s.
Language	eng - English
Country	GB - United Kingdom
Keywords	azobenzene moiety ; liquid crystalline photo-responsive films ; control of topology ; functional polymethacrylate ; contactless manipulation with matter
Subject RIV	JJ - Other Materials
OECD category	Nano-materials (production and properties)
R&D Projects	GA19-03564S GA ČR - Czech Science Foundation (CSF)
	LTC19051 GA MŠMT - Ministry of Education, Youth and Sports (MEYS)
Method of publishing	Limited access
Institutional support	FZU-D - RVO:68378271
UT WOS	000542968800020
EID SCOPUS	85086747503
DOI	10.1039/d0sm00601g
Annotation	Functional organic macromolecular materials with an ability to change their topology in response to external contactless stimuli, like light irradiation, attracts considerable attention. This work is devoted to contactless control of the surface topology and formation of the surface features in the amorphousized and liquid crystalline films of two azobenzene-containing polymers. The investigated polymers are based on methacrylate polymeric backbone and side-chains containing the azobenzene chromophores with two lateral methyl substituents in ortho-positions. Irradiation of the polymethacrylate films by focused polarized light of green (532 nm) and red (633 nm) lasers induces a specific photodeformation of the films surface. In the case of the green light formation of the “craters” having anisotropic borders was found, whereas for the red light highly asymmetric “hills” were observed. The possible mechanisms of the surface topology feature and formation are discussed.
Workplace	Institute of Physics
Contact	Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579
Year of Publishing	2021
Electronic address	https://doi.org/10.1039/d0sm00601g

Number of the records: 1