Transfer‐Free Quasi‐Suspended Graphene Grown on a Si Wafer
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Materials"
DOI: 10.1002/adma.202206389
Abstract: The direct growth of graphene affording wafer‐scale uniformity on insulators is paramount to electronic and optoelectronic applications; however, it remains a challenge to date, because it entails an entirely different growth mode than that over… read more here.
Keywords: graphene; suspended graphene; growth; quasi suspended ... See more keywords
Kirigami Engineering of Suspended Graphene Transducers
Sign Up to like & getrecommendations! Published in 2022 at "Nano Letters"
DOI: 10.1021/acs.nanolett.2c01256
Abstract: The low mass density and high mechanical strength of graphene make it an attractive candidate for suspended-membrane energy transducers. Typically, the membrane size dictates the operational frequency and bandwidth. However, in many cases it would… read more here.
Keywords: graphene; suspended graphene; graphene transducers; engineering suspended ... See more keywords
Transformation and Evaporation of Surface Adsorbents on a Graphene “Hot Plate”
Sign Up to like & getrecommendations! Published in 2020 at "ACS Applied Materials & Interfaces"
DOI: 10.1021/acsami.0c02056
Abstract: Dynamic surface modification of suspended graphene at high temperatures was directly observed with in situ scanning transmission electron microscopy (STEM) measurements. The suspended graphene devices were prepared on a SiN membrane substrate with a hole… read more here.
Keywords: transformation evaporation; graphene; surface; suspended graphene ... See more keywords
Pd-Functionalized, Suspended Graphene Nanosheet for Fast, Low-Energy Multimolecular Sensors
Sign Up to like & getrecommendations! Published in 2018 at "ACS Applied Nano Materials"
DOI: 10.1021/acsanm.8b00667
Abstract: To demonstrate the feasibility of a fast, low-energy breath diagnosis method, hydrogen sensors utilizing Joule self-heating were developed. The sensors consisted of suspended graphene films functionalized with Pd nanoparticles as sensing layers and utilized self-heating… read more here.
Keywords: energy; suspended graphene; fast low; low energy ... See more keywords
Nature of the Electrical Double Layer on Suspended Graphene Electrodes
Sign Up to like & getrecommendations! Published in 2022 at "Journal of the American Chemical Society"
DOI: 10.1021/jacs.2c03344
Abstract: The structure of interfacial water near suspended graphene electrodes in contact with aqueous solutions of Na2SO4, NH4Cl, and (NH4)2SO4 has been studied using confocal Raman spectroscopy, sum frequency vibrational spectroscopy, and Kelvin probe force microscopy.… read more here.
Keywords: double layer; suspended graphene; spectroscopy; water ... See more keywords
Active control of micrometer plasmon propagation in suspended graphene
Sign Up to like & getrecommendations! Published in 2022 at "Nature Communications"
DOI: 10.1038/s41467-022-28786-8
Abstract: Due to the two-dimensional character of graphene, the plasmons sustained by this material have been invariably studied in supported samples so far. The substrate provides stability for graphene but often causes undesired interactions (such as… read more here.
Keywords: propagation; control micrometer; suspended graphene; active control ... See more keywords
GHz nanomechanical resonator in an ultraclean suspended graphene p-n junction.
Sign Up to like & getrecommendations! Published in 2019 at "Nanoscale"
DOI: 10.1039/c8nr09963d
Abstract: We demonstrate high-frequency mechanical resonators in ballistic graphene p-n junctions. Fully suspended graphene devices with two bottom gates exhibit ballistic bipolar behavior after current annealing. We determine the graphene mass density and built-in tension for… read more here.
Keywords: resonator ultraclean; ghz nanomechanical; graphene; current annealing ... See more keywords
Exploring the mechanical properties of nanometer-thick elastic films through micro-drop impinging on large-area suspended graphene.
Sign Up to like & getrecommendations! Published in 2021 at "Nanoscale"
DOI: 10.1039/d1nr05918a
Abstract: In this work, the dependence of effective Young's modulus on the thickness of suspended graphene was confirmed through a drop impingement method. Large area suspended graphene (LSG) layers with a diameter of up to 400… read more here.
Keywords: graphene; suspended graphene; young modulus; effective young ... See more keywords
Vacuum-sealed microcavity formed from suspended graphene by using a low-pressure dry-transfer technique
Sign Up to like & getrecommendations! Published in 2018 at "Applied Physics Letters"
DOI: 10.1063/1.5008595
Abstract: We report the development of a microcavity drum sealed by suspended graphene. The drum is fabricated by using a low-pressure dry-transfer technique, which involves vacuum de-aeration between a graphene sheet and a substrate and raising… read more here.
Keywords: dry transfer; microcavity; graphene; suspended graphene ... See more keywords
Nanoscale Mass Measurement Based on Suspended Graphene
Sign Up to like & getrecommendations! Published in 2023 at "Journal of Physics D: Applied Physics"
DOI: 10.1088/1361-6463/acd85b
Abstract: A highly sensitive nanoscale mass sensor was developed for weight measurement of single microparticle using suspended graphene structure. The sensor is composed of an array of holes covered with suspended monolayer graphene. Based on the… read more here.
Keywords: nanoscale mass; suspended graphene; mass; mass measurement ... See more keywords
Electron transmission through suspended graphene membranes measured with a low-voltage gated Si field emitter array
Sign Up to like & getrecommendations! Published in 2021 at "Nanotechnology"
DOI: 10.1088/1361-6528/abf5fb
Abstract: We experimentally demonstrate the transmission of electrons through different number (1, 2, and 5) of suspended graphene layers at electron energies between 20 and 250 eV. Electrons with initial energies lower than 40 eV are… read more here.
Keywords: low voltage; transmission; field; graphene ... See more keywords