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Related papers: Advanced Asymmetrical Supercapacitors Based on Gra…

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The growing demand for efficient energy storage has driven the search for advanced anode materials for lithium- and sodium-ion batteries (LIBs and SIBs). In this context, we report the application of HOP-graphene (a 5-6-8-membered 2D carbon…

Ultralight mechanical resonators based on low-dimensional materials are well suited as exceptional transducers of minuscule forces or mass changes. However, the low dimensionality also provides a challenge to minimize resistive losses and…

Mesoscale and Nanoscale Physics · Physics 2018-09-18 M. Will , M. Hamer , M. Müller , A. Noury , P. Weber , A. Bachtold , R. V. Gorbachev , C. Stampfer , J. Güttinger

Combining the electronic properties of graphene and molybdenum disulphide (MoS$_2$) monolayers in two-dimensional (2D) ultrathin hybrid nanocomposites have been synthesized experimentally to create excellent electronic, electrochemical,…

Materials Science · Physics 2016-03-03 Wei Hu , Tian Wang , Jinlong Yang

Developing sustainable battery electrode manufacturing methods is particularly pressing for alloying-type active materials, such as silicon, which often require additional energy-intensive and solvent-based processing to reinforce them with…

Materials Science · Physics 2022-06-30 Moumita Rana , Afshin Pendashteh , Richard Schäufele , Joaquim Gispert , Juan J. Vilatela

Today's supercapacitor energy storages are typically discrete devices aimed for printed boards and power applications. The development of autonomous sensor networks and wearable electronics and the miniaturisation of mobile devices would…

In the quest to increase battery performance, nanostructuring battery electrodes gives access to architectures with electrical conductivity and solid-state diffusion regimes not accessible with traditional electrodes based on aggregated…

Portable miniaturized energy storage micro-supercapacitor has engrossed significant attention due to its power source and energy storage capacity, replacing batteries in ultra-small electronic devices. Fabrication with porous and 2D…

Applied Physics · Physics 2019-07-18 Meenakshi Talukdar , Sushant Kumar Behera , Pritam Deb

Nanomaterials are anticipated to be promising storage media, owing to their high surface-to-mass ratio. The high hydrogen capacity achieved by using graphene has reinforced this opinion and motivated investigations of the possibility to use…

Materials Science · Physics 2013-11-26 Yuanyue Liu , Vasilii I. Artyukhov , Mingjie Liu , Avetik R. Harutyunyan , Boris I. Yakobson

The use of aqueous electrolytes in energy storage devices is traditionally limited by the voltage stability window of water at 1.23 V. We present the use of a microemulsion based electrolyte which, although mostly water by mass, has a…

Chemical Physics · Physics 2020-11-10 Fraser R. Hughson , Rohan Borah , Thomas Nann

High-reflectance in many state-of-the-art optical devices is achieved with noble metals. However, metals are limited by losses, and for certain applications, by their high mass density. Using a combination of ab initio and optical transfer…

Graphene has emerged as a promising material for photonic applications fuelled by its superior electronic and optical properties. However, the photoresponsivity is limited by the low absorption cross section and ultrafast recombination…

Vertical graphene nanosheets (VGNs) are the material of choice for next-generation electronic device applications. The growing demand for flexible devices in electronic industry brings in restriction on growth temperature of the material of…

Materials Science · Physics 2022-02-02 Gopinath Sahoo , Subrata Ghosh , S. R. Polaki , Tom Mathews , M. Kamruddin

The shift from fossil fuels to renewable energy sources is essential for reducing global carbon emissions and addressing climate change. Developing advanced materials for efficient hydrogen storage enables sustainable energy solutions in…

Searching for efficient and high-performance cathode materials for rechargeable magnesium ion batteries (RMBs) is urgent for exploring sustainable energy technologies. However, the majority of cathode materials for RMBs usually suffer from…

Materials Science · Physics 2021-01-12 Qin Zhang , Yaobo Hu , Jun Wang , Yuanxiao Dai , Fusheng Pan

We demonstrate humidity sensing using a change of electrical resistance of a single- layer chemical vapor deposited (CVD) graphene that is placed on top of a SiO2 layer on a Si wafer. To investigate the selectivity of the sensor towards the…

Graphene/TiO2 nanocrystals hybrid is successfully prepared by directly growing TiO2 nanocrystals on graphene oxide (GO) sheets. The direct growth of nanocrystals on GO sheets was achieved by a two-step method, in which TiO2 was coated on GO…

Materials Science · Physics 2010-08-16 Yongye Liang , Hailiang Wang , Hernan Sanchez Casalongue , Zhuo Chen , Hongjie Dai

Hydrogen is a promising energy carrier that can push forward the energy transition because of its high energy density (142 MJ kg-1), variety of potential sources, low weight and low environmental impact, but its storage for automotive…

Here we report on technology developments implemented into the Graphene Flagship European project for the integration of graphene and graphene-related materials (GRMs) into energy application devices. Many of the technologies investigated…

The emerging paradigm of abundant-data computing requires real-time analytics on enormous quantities of data collected by a mushrooming network of sensors. Todays computing technology, however, cannot scale to satisfy such big data…

Mesoscale and Nanoscale Physics · Physics 2017-08-23 Seunghyun Lee , Joon Sohn , Zizhen Jiang , Hong-Yu Chen , H. -S. Philip Wong

Solution-processable 2D materials are promising candidates for a range of printed electronics applications. Yet maximising their potential requires solution-phase processing of nanosheets into high-quality networks with carrier mobility…