Zobrazeno 1 - 10
of 591
pro vyhledávání: '"Konstantinos Petridis"'
Autor:
George Perrakis, Anna C. Tasolamprou, George Kakavelakis, Konstantinos Petridis, Michael Graetzel, George Kenanakis, Stelios Tzortzakis, Maria Kafesaki
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-14 (2024)
Abstract In this work we study in-depth the antireflection and filtering properties of ultrathin-metal-film-based transparent electrodes (MTEs) integrated in thin-film solar cells. Based on numerical optimization of the MTE design and the experimenta
Externí odkaz:
https://doaj.org/article/148df8021e2c4c1e89766219c2bd6c61
Autor:
Konstantinos Petridis, Prasanta Kumar Dey, Amit K. Chattopadhyay, Paraskevi Boufounou, Kanellos Toudas, Chrisovalantis Malesios
Publikováno v:
Entropy, Vol 25, Iss 9, p 1245 (2023)
Minimizing a company’s operational risk by optimizing the performance of the manufacturing and distribution supply chain is a complex task that involves multiple elements, each with their own supply line constraints. Traditional approaches to optim
Externí odkaz:
https://doaj.org/article/48cfa69dec604a61ac4a04ff9a6bc05b
Publikováno v:
Journal of Open Innovation: Technology, Market and Complexity, Vol 8, Iss 1, Pp 35- (2022)
ABSTRACT: Start-up development, success, and sustainability are affected by contextual factors that constitute a regional entrepreneurship ecosystem. Based on previous literature, we propose the conceptual framework Start-Up Ecosystem (StUpEco) that
Externí odkaz:
https://doaj.org/article/610f2a2c95624e3d8de75ac6c6040728
Publikováno v:
Education Sciences, Vol 13, Iss 2, p 126 (2023)
The everchanging higher education landscape dictates the need for innovative, engaging, and efficient teaching methods along with promoting soft skills among the students. Scrum’s framework for effective group work and its methodology tools is a pe
Externí odkaz:
https://doaj.org/article/3b1459fe0b23413ea8bc54588063512d
Autor:
George Kakavelakis, Murali Gedda, Apostolis Panagiotopoulos, Emmanuel Kymakis, Thomas D. Anthopoulos, Konstantinos Petridis
Publikováno v:
Advanced Science, Vol 7, Iss 22, Pp n/a-n/a (2020)
Abstract Metal halide perovskites (MHPs) have emerged as a frontrunner semiconductor technology for application in third generation photovoltaics while simultaneously making significant strides in other areas of optoelectronics. Photodetectors are on
Externí odkaz:
https://doaj.org/article/9b9345089bea4971a68e5ccd6d94f61f
Autor:
Renate Nantschev, Eva Feuerstein, Rodrigo Trujillo González, Israel Garcia Alonso, Werner O. Hackl, Konstantinos Petridis, Evangelia Triantafyllou, Elske Ammenwerth
Publikováno v:
Education Sciences, Vol 10, Iss 12, p 354 (2020)
The growing use of technology for mathematics in higher education opens new pedagogical and technological challenges for teachers. The objective of this study was to analyze the teaching approaches and technology-related pedagogical competencies of 2
Externí odkaz:
https://doaj.org/article/583bc98aa3094b9782505dfed8c20c3a
Autor:
Minas M. Stylianakis, Dimitrios M. Kosmidis, Katerina Anagnostou, Christos Polyzoidis, Miron Krassas, George Kenanakis, George Viskadouros, Nikolaos Kornilios, Konstantinos Petridis, Emmanuel Kymakis
Publikováno v:
Nanomaterials, Vol 10, Iss 1, p 89 (2020)
A novel solution-processed, graphene-based material was synthesized by treating graphene oxide (GO) with 2,5,7-trinitro-9-oxo-fluorenone-4-carboxylic acid (TNF-COOH) moieties, via simple synthetic routes. The yielded molecule N-[(carbamoyl-GO)ethyl]-
Externí odkaz:
https://doaj.org/article/0cbd8abe63eb4dc59b5a3a9566847381
Autor:
Miron Krassas, Christos Polyzoidis, Pavlos Tzourmpakis, Dimitriοs M. Kosmidis, George Viskadouros, Nikolaos Kornilios, George Charalambidis, Vasilis Nikolaou, Athanassios G. Coutsolelos, Konstantinos Petridis, Minas M. Stylianakis, Emmanuel Kymakis
Publikováno v:
Energies, Vol 13, Iss 2, p 450 (2020)
A conjugated, ladder-type multi-fused ring 4,7-dithienbenzothiadiazole:thiophene derivative, named as compound ‘T’, was for the first time incorporated, within the PTB7:PC71BM photoactive layer for inverted ternary organic solar cells (TOSCs) rea
Externí odkaz:
https://doaj.org/article/79b7e88022f34ccbaaad4e00a7a0bf17
Publikováno v:
Energies, Vol 12, Iss 11, p 2188 (2019)
This laboratory experiment is designed to train undergraduate students in the fundamental steps followed in engineering solution-processed organic solar cells and to offer insight on the operating principles of said device. Bulk heterojunction (BHJ)
Externí odkaz:
https://doaj.org/article/74c9b25f0eda4cbb9b404275fb0150de
Autor:
Minas M. Stylianakis, Temur Maksudov, Apostolos Panagiotopoulos, George Kakavelakis, Konstantinos Petridis
Publikováno v:
Materials, Vol 12, Iss 6, p 859 (2019)
Inorganic and organic-inorganic (hybrid) perovskite semiconductor materials have attracted worldwide scientific attention and research effort as the new wonder semiconductor material in optoelectronics. Their excellent physical and electronic propert
Externí odkaz:
https://doaj.org/article/2a4983f11b244d1ab84b0903cbc64bfb