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14 results on '"Vavrecka A"'

1. THE PROPENSITY OF SMEs REGARDING THE USAGE OF TECHNOLOGY ENABLED MARKETING CHANNELS: EVIDENCE FROM THE CZECH, SLOVAK AND HUNGARIAN SMEs.

Author

Vavrecka, Vladimir, Zauskova, Anna, Privara, Andrej, Civelek, Mehmet, and Gajdka, Krzysztof

Subjects
MARKETING channels, BUSINESS size, STATISTICAL sampling, QUESTIONNAIRES, SAMPLING methods
Abstract

Copyright of Transformations in Business & Economics is the property of Vilnius University and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Published
2021

2. PERCEPTION OF THE NON-COMMERCIAL ADVERTISING OF GENERATION Z FROM SLOVAKIA.

Author

Bulanda, Ivana and Vavrecka, Vladimir

Subjects
GENERATION Z, ADVERTISING, SOCIAL problems, SOCIAL influence
Abstract

Advertising, as a dominant tool for marketing communication, has become a phenomenon inherently interfering in culture and society. Its influence significantly affects the immediate surroundings. Non-commercial advertising that tends to participate in bringing positive value to society has a unique position. In its essence and focus, it presents social problems in such a way that the recipient becomes aware of them and begins to think about them. For target groups it, therefore, evokes a certain amount of prevention of possible negative social influences, their manifestations on an individual as well as on the world in which he or she lives. Based on this, non-commercial advertising can contribute to appealing to social problems and encourage public engagement in solving them. The paper deals with the perception of the term "noncommercial advertising"- in the segment of generation Z in Slovakia, represented by university students. The research method of data collection was an online questionnaire with the implementation of semantic differential. The data processing was conducted by means of descriptive and inferential statistics. The resulting findings refer to the perception of the term, "non-commercial advertising" by a research group of adolescents in their semantic space. [ABSTRACT FROM AUTHOR]

Published
2019

9. Multi-Leg TiO2 Nanotube Photoelectrodes Modified by Platinized Cyanographene with Enhanced Photoelectrochemical Performance.

Author

Shahrezaei, Mahdi, Hejazi, Seyyed Mohammad Hossein, Rambabu, Yalavarthi, Vavrecka, Miroslav, Bakandritsos, Aristides, Oezkan, Selda, Zboril, Radek, Schmuki, Patrik, Naldoni, Alberto, and Kment, Stepan

Subjects
CHARGE transfer, IMPEDANCE spectroscopy, MAGNITUDE (Mathematics), NANOTUBES, ELECTRONS
Abstract

Highly ordered multi-leg TiO2 nanotubes (MLTNTs) functionalized with platinized cyanographene are proposed as a hybrid photoelectrode for enhanced photoelectrochemical water splitting. The platinized cyanographene and cyanographene/MLTNTs composite yielded photocurrent densities 1.66 and 1.25 times higher than those of the pristine MLTNTs nanotubes, respectively. Open circuit VOC decay (VOCD), electrochemical impedance spectroscopy (EIS), and intensity-modulated photocurrent spectroscopy (IMPS) analyses were performed to study the recombination rate, charge transfer characteristics, and transfer time of photogenerated electrons, respectively. According to the VOCD and IMPS results, the addition of (platinized) cynographene decreased the recombination rate and the transfer time of photogenerated electrons by one order of magnitude. Furthermore, EIS results showed that the (platinized) cyanographene MLTNTs composite has the lowest charge transfer resistance and therefore the highest photoelectrochemical performance. [ABSTRACT FROM AUTHOR]

Published
2020
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