Colossal permittivity materials as superior dielectrics for diverse applications

Y Wang, W Jie, C Yang, X Wei… - Advanced Functional …, 2019 - Wiley Online Library
Ever since the beginning of this century, many kinds of materials have been reported to
demonstrate colossal permittivity (CP) or a colossal dielectric constant exceeding 103 …

Synthetic technologies, property enhancements and versatile applications of calcium copper titanate: A review

L Yang, H Wang, F Zhang, Y Yang, S Qu, D Leng, X Ma - Nano Energy, 2023 - Elsevier
The development of clean, sustainable and renewable energy sources is now the key to the
urgent need to solve energy problems in countries around the world. How to efficiently store …

High permittivity and low dielectric loss of the (Ca0. 9Sr0. 1) 1-xLa2x/3Cu3Ti4O12 ceramics

I Jalafi, A Bendahhou, K Chourti, F Chaou… - Ceramics …, 2023 - Elsevier
In this work, we have systematically studied the effects of La 3+/Sr 2+ dopants on the crystal
structure, microstructure, dielectric response and electrical properties of (Ca 0.9 Sr 0.1) 1-x …

Enhancement of calcium copper titanium oxide photoelectrochemical performance using boron nitride nanosheets

S Kawrani, AA Nada, MF Bekheet, M Boulos… - Chemical Engineering …, 2020 - Elsevier
Photoelectrochemical water splitting under visible light has attracted attention for renewable
hydrogen production. Despite prevalent investigations, many challenges still hindered an …

Porous calcium copper titanate electrodes for paracetamol degradation by electro-oxidation via CuO-induced peroxymonosulfate activation

E Makhoul, F Tanos, MF Bekheet, W Riedel… - Environmental …, 2023 - pubs.rsc.org
Some drugs cannot be efficiently eliminated using routine wastewater treatments and
therefore are considered persistent organic pollutants (POPs). POPs can be removed using …

Dielectric and non-ohmic analysis of Sr2+ influences on CaCu3Ti4O12-based ceramic composites

JA Cortés, H Moreno, S Orrego, VDN Bezzon… - Materials Research …, 2021 - Elsevier
Abstract In this study, CaCu 3 Ti 4 O 12 ceramic composites were prepared through solid-
state reaction by adding Sr 2+ and removing Cu 2+. Application of the Rietveld method and …

Segregation of copper oxide on calcium copper titanate surface induced by Graphene Oxide for Water splitting applications

S Kawrani, M Boulos, MF Bekheet, R Viter… - Applied Surface …, 2020 - Elsevier
Photoelectrochemical cells (PEC) are promising devices for hydrogen production via
sunlight energy. One of the important challenges in this area is to design photoactive …

Interface matters: Design of an efficient CaCu3Ti4O12-rGO photocatalyst

FM Praxedes, H Moreno, AZ Simões, VC Teixeira… - Powder Technology, 2022 - Elsevier
Different strategies have been investigated to enhance optical properties of semiconductor
oxides such as CaCu 3 Ti 4 O 12, eg, reduced graphene oxide. This research focuses on …

Influence of strontium and donor ion substitution on the dielectric, optical, and nonlinear characteristics of (Ca0. 9Sr0. 1) 0.95 A0. 033Cu3Ti4O12 ceramics

J Ilyas, F Chaou, K Chourti, A Bendahhou… - Materials Chemistry and …, 2024 - Elsevier
This study expands on a previous investigation by substituting lanthanum with various
trivalent ions in the compound (Ca 0.9 Sr 0.1) 0.95 A 0.033 Cu 3 Ti 4 O 12 (A= La 3+, Sm 3+ …

Tunable photoluminescence of CaCu3Ti4O12 based ceramics modified with tungsten

H Moreno, JA Cortés, FM Praxedes, SM Freitas… - Journal of Alloys and …, 2021 - Elsevier
Abstract CaCu 3 Ti 4 O 12 (CCTO): x% W (x= 0.00, 0.02, 0.05, 0.10, 2.50, and 5.00) powders
were prepared via solid-state reaction. The effect of W addition in the (micro) structure and …