Results 11 to 20 of about 384,977 (255)

The shear mode of multi-layer graphene [PDF]

open access: yes, 2012
The quest for materials capable of realizing the next generation of electronic and photonic devices continues to fuel research on the electronic, optical and vibrational properties of graphene.
Han, W.P.   +55 more
core   +2 more sources

Novel Insights into Energy Storage Mechanism of Aqueous Rechargeable Zn/MnO2 Batteries with Participation of Mn2+

open access: yesNano-Micro Letters, 2019
Aqueous rechargeable Zn/MnO2 zinc-ion batteries (ZIBs) are reviving recently due to their low cost, non-toxicity, and natural abundance. However, their energy storage mechanism remains controversial due to their complicated electrochemical reactions ...
Yongfeng Huang   +6 more
doaj   +1 more source

Research progress in cathode materials for zinc ion capacitors

open access: yesCailiao gongcheng, 2022
As a new type of energy storage device, aqueous zinc-ion capacitors (AZICs) have excellent performance, such as high power density, high energy density, long cycle life and high safety.AZICs have a high application prospect in the field of civil ...
WANG Chaojun   +9 more
doaj   +1 more source

Graphene nanoribbons with zigzag and armchair edges prepared by scanning tunneling microscope lithography on gold substrates [PDF]

open access: yes, 2014
The properties of graphene nanoribbons are dependent on both the nanoribbon width and the crystallographic orientation of the edges. Scanning tunneling microscope lithography is a method which is able to create graphene nanoribbons with well defined edge
Dobrik, G.   +7 more
core   +1 more source

High-Performance Aqueous Zinc-Ion Batteries Realized by MOF Materials

open access: yesNano-Micro Letters, 2020
Rechargeable aqueous zinc-ion batteries (ZIBs) have been gaining increasing interest for large-scale energy storage applications due to their high safety, good rate capability, and low cost. However, the further development of ZIBs is impeded by two main
Xuechao Pu   +6 more
doaj   +1 more source

The dissimilarities between graphene and frame-like structures [PDF]

open access: yes, 2016
Modeling and simulation allow methodical variation of material properties beyond the capacity of experimental methods. Due to the hexagonal structure of graphene, it is considered as frame-like structure.
Inam, Fawad, Atif, Rasheed
core   +1 more source

Reversible Loss of Bernal Stacking during the Deformation of Few-Layer Graphene in Nanocomposites [PDF]

open access: yes, 2013
The deformation of nanocomposites containing graphene flakes with different numbers of layers has been investigated with the use of Raman spectroscopy. It has been found that there is a shift of the 2D band to lower wavenumber and that the rate of band ...
Novoselov, Kostya S.   +26 more
core   +1 more source

Applications of Raman spectroscopy in graphene-based polymer nanocomposites

open access: yesCailiao gongcheng, 2020
Raman spectroscopy is well-known for its capability of detecting the physical properties, level of defects and number of layers for graphene-based materials, but far more than that, it's proven to be a versatile and promising tool for characterizing ...
HAO Si-jia   +6 more
doaj   +1 more source

Catalytic mechanism towards CVD-grown wafer-size graphene on 4H-SiC (0001) and (0001¯) using dimer carbon sources

open access: yesNano Research
In order to understand the process of direct graphene growth on the silicon carbide surface, this study employed density functional theory to analyze its growth mechanism and verifies it experimentally, and draws the following conclusions: (1) Acetylene ...
Zhiyu Jing   +8 more
doaj   +1 more source

Raman spectroscopy of graphene under ultrafast laser excitation [PDF]

open access: yesEPJ Web of Conferences, 2019
The out-of-equilibrium Raman response of graphene is addressed by pulsed laser excitation. Phonon spectrum is rationalized by revisiting the electron-phonon picture in the light of a transient broadening of the Dirac cone.
Ferrante Carino   +13 more
doaj   +1 more source

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