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Air‐Resistant Titanium Oxide Capping for Graphene/Ferromagnet Heterostructures

Carlo Alberto Brondin, Iulia Cojocariu, Antonio Caretta, Andrea Locatelli et al. • Advanced Physics Research (2025)

Abstract Graphene/ferromagnet interfaces have widely demonstrated the capability to host peculiar magnetic and electronic properties relevant for spintronic devices. In principle, besides strengthening perpendicular magnetic anisotropy (PMA...

DOAJ Open Access (DOAJ) DOI: 10.1002/apxr.202500066

Second hyperpolarizability of hexagonal graphene quantum dots: Effects of size and structural defects

Jiasheng Zhou, Haipeng Li, Ziqiang Yang, Zitao Zhang et al. • Carbon Trends (2021)

Graphene quantum dots (GQDs) are nanosized fragments of graphene containing a bandgap caused by edge effects and quantum confinement. These features enable GQDs to have attractive photonics applications. During the preparation of graphene n...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.cartre.2021.100054

Investigation of Microstructure and Mechanical Behavior of Nanomodified Cement-Based Materials

Spyridoula G. Farmaki, Dimitrios A. Exarchos, Vasileios Dracopoulos, Anastasios Gkotzamanis et al. • Applied Mechanics (2026)

Recent advances in nanotechnology have highlighted the transformative potential of carbon-based nanomaterials, such as carbon nanofibers, carbon nanotubes, and graphene, in cementitious systems. These materials have shown a remarkable abili...

DOAJ Open Access (DOAJ) DOI: 10.3390/applmech7010013

Wearable armband with a floating mobile exploratory electrode at fingertip for on-demand touch-and-measure multilead electrocardiography

Saygun Guler, Emre Aslanger, Murat Kaya Yapici • Wearable Technologies (2025)

Spurred by the global pandemic, research in health monitoring has pivoted towards the development of smart garments, enabling long-term tracking of individuals’ cardiovascular health by continuously monitoring the electrocardiogram (ECG) an...

DOAJ Open Access (DOAJ) DOI: 10.1017/wtc.2025.11

A Strategic Approach for Carbon Neutrality by Solar CO2 Reduction Into Liquid Fuels

Amol U. Pawar, Ignasia H. Mahardika, Young S. Son, Ramesh P. Sivasankaran et al. • Carbon Energy (2025)

ABSTRACT Achieving carbon neutrality is urgent due to the critical issue of climate change. To reach this goal, the development of new, breakthrough technologies is necessary and urgent. One such technology involves efficient carbon capture...

DOAJ Open Access (DOAJ) DOI: 10.1002/cey2.70100

Comparative Study of Field-Effect Transistors Based on Graphene Oxide and CVD Graphene in Highly Sensitive NT-proBNP Aptasensors

Anastasiia Kudriavtseva, Stefan Jarić, Nikita Nekrasov, Alexey V. Orlov et al. • Biosensors (2024)

Graphene-based materials are actively being investigated as sensing elements for the detection of different analytes. Both graphene grown by chemical vapor deposition (CVD) and graphene oxide (GO) produced by the modified Hummers’ method ar...

DOAJ Open Access (DOAJ) DOI: 10.3390/bios14050215

High-speed nonlinear focus-induced photoresponse in amorphous silicon photodetectors for ultrasensitive 3D imaging applications

Andreas Bablich, Maurice Müller, Paul Kienitz, Rainer Bornemann et al. • Scientific Reports (2022)

Abstract A large and growing number of applications benefit from simple, fast and highly sensitive 3D imaging sensors. The Focus-Induced Photoresponse (FIP) can achieve 3D sensing functionalities by simply evaluating the irradiance dependen...

DOAJ Open Access (DOAJ) DOI: 10.1038/s41598-022-14330-7

Graphene Oxide and Reduced Derivatives, as Powder or Film Scaffolds, Differentially Promote Dopaminergic Neuron Differentiation and Survival

Noela Rodriguez-Losada, Noela Rodriguez-Losada, Rune Wendelbob, M. Carmen Ocaña et al. • Frontiers in Neuroscience (2020)

Emerging scaffold structures made of carbon nanomaterials, such as graphene oxide (GO) have shown efficient bioconjugation with common biomolecules. Previous studies described that GO promotes the differentiation of neural stem cells and ma...

DOAJ Open Access (DOAJ) DOI: 10.3389/fnins.2020.570409

Enhanced Absorption with Graphene-Coated Silicon Carbide Nanowires for Mid-Infrared Nanophotonics

Patrick Rufangura, Iryna Khodasevych, Arti Agrawal, Matteo Bosi et al. • Nanomaterials (2021)

The mid-infrared (MIR) is an exciting spectral range that also hosts useful molecular vibrational fingerprints. There is a growing interest in nanophotonics operating in this spectral range, and recent advances in plasmonic research are aim...

DOAJ Open Access (DOAJ) DOI: 10.3390/nano11092339

Computational analysis of visible frequency plasmonic properties of graphene on wide band gap heterostructures

Muhammad Qamar, Ghulam Abbas, Meiyong Liao, Satoshi Koizumi et al. • Scientific Reports (2026)

Abstract Control over plasmonic properties and local electric field enhancement has become an essential aspect of many modern technologies. Here we investigate these phenomena in graphene / hexagonal boron nitride (G/h-BN) heterostructures ...

DOAJ Open Access (DOAJ) DOI: 10.1038/s41598-026-40039-y

GO supported Fe doped Ni(OH)2 hexagonal nanosheets for hydrogen evolution reaction in neutral electrolytes

Junping Hu, Youxing Liu • Materials Research Express (2021)

Exploiting non-noble metals catalysts with excellent performance for hydrogen evolution reaction (HER) has aroused gigantic interest, but still challenges. Herein, we reported the graphene oxide (GO) supported Fe doped Ni(OH) _2 hexagonal n...

DOAJ Open Access (DOAJ) DOI: 10.1088/2053-1591/abecad

A comparative investigation on strain induced crystallization for graphene and carbon nanotubes filled natural rubber composites

D. H. Fu, Y. H. Zhan, N. Yan, H. S. Xia • eXPRESS Polymer Letters (2015)

Natural rubber containing graphene and carbon nanotubes (CNTs) composites were prepared by ultrasonicallyassisted latex mixing. Natural rubber filled by both graphene and CNTs show significant enhanced tensile strength, while graphene exhib...

DOAJ Open Access (DOAJ) DOI: 10.3144/expresspolymlett.2015.56

Lab-scale coin-cell supercapattery assembled with nickel cobaltite/rGO nanocomposite electrodes for hybrid energy storage

B. Raghavendra Babu, R. Sasikumar, K. Visagavel, R. Baskar • Next Nanotechnology (2026)

Hybrid energy storage devices that bridge the gap between batteries and supercapacitors are critical for next-generation portable and high-power applications. In this work, a lab-scale coin cell asymmetric supercapattery device is fabricate...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.nxnano.2026.100892

Electrochemical Sensor for Simple and Sensitive Determination of Hydroquinone in Water Samples Using Modified Glassy Carbon Electrode

Parisa Karami-Kolmoti, Hadi Beitollahi, Sina Modiri • Biomedicines (2023)

This study addressed the use of manganese dioxide nanorods/graphene oxide nanocomposite (MnO2 NRs/GO) for modifying a glassy carbon electrode (GCE). The modified electrode (MnO2 NRs/GO/GCE) was used as an electrochemical sensor for the dete...

DOAJ Open Access (DOAJ) DOI: 10.3390/biomedicines11071869