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@article{2415998,
author = {Korcuskova, Martina and Svatik, Juraj and Tomal, Wiktoria and Šikyňová, Aneta and Vishakha, Vishakha and Petko, Filip and Galek, Mariusz and Stalmach, Pawe and Ortyl, Joanna and Lepcio, Petr},
article_location = {AMSTERDAM},
article_number = {July 2024},
doi = {http://dx.doi.org/10.1016/j.reactfunctpolym.2024.105923},
keywords = {Photoinitiation; Titanium dioxide; electron transfer; Cyclic voltammetry; Conversion},
language = {eng},
issn = {1381-5148},
journal = {REACTIVE & FUNCTIONAL POLYMERS},
title = {Anatase and rutile nanoparticles in photopolymer 3D-printed nanocomposites: Band gap-controlled electron interactions in free-radical and cationic photocuring},
url = {https://www.sciencedirect.com/science/article/pii/S1381514824000981?via%3Dihub},
volume = {200},
year = {2024}
}
TY - JOUR
ID - 2415998
AU - Korcuskova, Martina - Svatik, Juraj - Tomal, Wiktoria - Šikyňová, Aneta - Vishakha, Vishakha - Petko, Filip - Galek, Mariusz - Stalmach, Pawe - Ortyl, Joanna - Lepcio, Petr
PY - 2024
TI - Anatase and rutile nanoparticles in photopolymer 3D-printed nanocomposites: Band gap-controlled electron interactions in free-radical and cationic photocuring
JF - REACTIVE & FUNCTIONAL POLYMERS
VL - 200
IS - July 2024
SP - 1-12
EP - 1-12
PB - ELSEVIER
SN - 13815148
KW - Photoinitiation
KW - Titanium dioxide
KW - electron transfer
KW - Cyclic voltammetry
KW - Conversion
UR - https://www.sciencedirect.com/science/article/pii/S1381514824000981?via%3Dihub
N2 - The preparation of functional photopolymer nanocomposites is affected by both the physical and chemical interactions of nanoparticles (NPs) and polymer resin. Some NPs, such as semiconducting metal oxides, may contribute by their photocatalytic behavior and electron transfer, influencing the kinetics of the photopolymerization reaction. This study has investigated the complex effect of titanium dioxide (TiO 2 ) NPs in anatase and rutile form on the conversion, kinetics, and printability of free -radical and cationic photopolymerization resin. Two different polymorphs of TiO 2 NPs ensured identical chemical properties, but different physical effects related to their varying band gap energies and electron transfer efficiency. These parameters were found to be crucial for influencing the photopolymerization kinetics. While rutile showed a more pronounced enhancement of the free -radical photopolymerization ' s conversion and kinetics, cationic photopolymerization was favourably affected only by anatase NPs due to the photosensitization effect. These findings are critical in understanding and designing functional nanocomposite materials processed by vat photopolymerization 3D printing that could find use in optical, medical, or environmental applications.
ER -
KORCUSKOVA, Martina, Juraj SVATIK, Wiktoria TOMAL, Aneta ŠIKYŇOVÁ, Vishakha VISHAKHA, Filip PETKO, Mariusz GALEK, Pawe STALMACH, Joanna ORTYL and Petr LEPCIO. Anatase and rutile nanoparticles in photopolymer 3D-printed nanocomposites: Band gap-controlled electron interactions in free-radical and cationic photocuring. \textit{REACTIVE \&{} FUNCTIONAL POLYMERS}. AMSTERDAM: ELSEVIER, 2024, vol.~200, July 2024, p.~1-12. ISSN~1381-5148. Available from: https://dx.doi.org/10.1016/j.reactfunctpolym.2024.105923.
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