Zobrazeno 1 - 10
of 25
pro vyhledávání: '"Ioannis Vamvasakis"'
Publikováno v:
Advanced Materials Interfaces, Vol 11, Iss 12, Pp n/a-n/a (2024)
Abstract Semiconductor nanocrystals are at the frontier of energy conversion research owing to their tunable optoelectronic attributes and versatile surface activities. Here high‐surface‐area mesoporous frameworks comprising linked CdIn2S4 nanocr
Externí odkaz:
https://doaj.org/article/aae3382b51054a229461d3cccec5c4ae
Autor:
Thanh Duy Cam Ha, Heehyeon Lee, Ioannis Vamvasakis, Gerasimos S. Armatas, Youngtak Oh, Myung‐Gil Kim
Publikováno v:
EcoMat, Vol 5, Iss 12, Pp n/a-n/a (2023)
Abstract Porous metal chalcogenides have emerged as promising materials for environmental remediation and sustainable energy generation. Their tunable optical band gap (from infrared to the visible range), highly polarizable surface, chemical activit
Externí odkaz:
https://doaj.org/article/7f8954e5187c4dddb2f04e44e1d767f2
Publikováno v:
Nanomaterials, Vol 13, Iss 17, p 2426 (2023)
The development of functional catalysts for the photogeneration of hydrogen (H2) via water-splitting is crucial in the pursuit of sustainable energy solutions. To that end, metal-sulfide semiconductors, such as CdS and ZnS, can play a significant rol
Externí odkaz:
https://doaj.org/article/ff9d69ec2fe04438b62184e4fe2e2b96
Publikováno v:
Catalysts, Vol 13, Iss 2, p 437 (2023)
Targeting heterostructures with modulated electronic structures and efficient charge carrier separation and mobility is an effective strategy to improve photocatalytic performance. In this study, we report the synthesis of 2D/3D hybrid heterostructur
Externí odkaz:
https://doaj.org/article/a50b842eba30442a8680af9634ec127c
Autor:
Eirini D. Koutsouroubi, Ioannis Vamvasakis, Charalampos Drivas, Stella Kennou, Gerasimos S. Armatas
Publikováno v:
Chemical Engineering Journal Advances, Vol 9, Iss , Pp 100224- (2022)
Cost-effective and efficient photocatalysts are in demand for high-performance clean energy and environmental technologies. In this article, we report the synthesis of 2D/2D SnS2/g-C3N4 layered heterostructures with reduced interfacial resistance and
Externí odkaz:
https://doaj.org/article/aa1e38ce67834528b04668e6512b2f28
Autor:
Ioannis T. Papadas, Apostolos Ioakeimidis, Ioannis Vamvasakis, Polyvios Eleftheriou, Gerasimos S. Armatas, Stelios A. Choulis
Publikováno v:
Frontiers in Chemistry, Vol 9 (2021)
This study outlines the synthesis and physicochemical characteristics of a solution-processable iron manganite (FeMnO3) nanoparticles via a chemical combustion method using tartaric acid as a fuel whilst demonstrating the performance of this material
Externí odkaz:
https://doaj.org/article/a74fe807c70f46a49f88cb3b18232473
Autor:
Euaggelia Skliri, Ioannis Vamvasakis, Ioannis T. Papadas, Stelios A. Choulis, Gerasimos S. Armatas
Publikováno v:
Catalysts, Vol 11, Iss 2, p 199 (2021)
Semiconductor photocatalysis has recently emerged as an effective and eco-friendly approach that could meet the stringent requirements for sustainable environmental remediation. To this end, the fabrication of novel photocatalysts with unique electro
Externí odkaz:
https://doaj.org/article/e19ff2bca4df4374bb6da387003cd3be
Autor:
Sofia Bra, Ioannis Vamvasakis, Evangelos K. Andreou, Georgios Vailakis, Georgios Kopidakis, Gerasimos S. Armatas
Publikováno v:
International Journal of Hydrogen Energy.
Publikováno v:
Inorganic Chemistry Frontiers. 9:625-636
Mesoporous MoS2-modified CdS nanojunction networks possessing advantageous electronic connectivity and charge transfer behavior at the interfaces deliver highly efficient visible-light photocatalytic H2 production activity from water splitting.
Autor:
Ioannis Vamvasakis, Gerasimos S. Armatas, Georgia Velegraki, Stelios A. Choulis, Stella Kennou, Ioannis T. Papadas, Georgios Kopidakis, Sotiris Tsatsos, Anastasia Pournara, Manolis J. Manos
Publikováno v:
Inorganic Chemistry Frontiers. 6:765-774
The rational design of semiconductor nanostructures is of utmost importance for efficient solar energy conversion and environmental remediation. In this article, we report high-surface-area mesoporous networks consisting of Ni-implanted cubic CoO (Co