8 Result(s)
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Article
Yong Hyup Kim
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Article
Open AccessMembrane of Functionalized Reduced Graphene Oxide Nanoplates with Angstrom-Level Channels
Membranes with atomic level pores or constrictions are valuable for separation and catalysis. We report a graphene-based membrane with an interlayer spacing of 3.7 angstrom (Å). When graphene oxide nanoplates ...
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Open AccessAutonomous Graphene Vessel for Suctioning and Storing Liquid Body of Spilled Oil
Despite remarkable strides in science and technology, the strategy for spilled oil collection has remained almost the same since the 1969 Santa Barbara oil spill. The graphene vessel devised here can bring abo...
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Open AccessHigh-efficiency electrochemical thermal energy harvester using carbon nanotube aerogel sheet electrodes
Conversion of low-grade waste heat into electricity is an important energy harvesting strategy. However, abundant heat from these low-grade thermal streams cannot be harvested readily because of the absence of...
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A carbon nanotube wall membrane for water treatment
Various forms of carbon nanotubes have been utilized in water treatment applications. The unique characteristics of carbon nanotubes, however, have not been fully exploited for such applications. Here we explo...
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Open AccessNanotube Aerogel Sheet Flutter for Actuation, Power Generation and Infrasound Detection
Electromagnetic induction (EMI) is a mechanism of classical physics that can be utilized to convert mechanical energy to electrical energy or electrical to mechanical energy. This mechanism has not been exploi...
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Modification of optical and mechanical surface properties of sputter-deposited aluminum thin films through ion implantation
Aluminum (Al) thin films are used widely as an electronic material in a variety of applications because of their high conductivity, optical reflectance and low cost. In the present study, helium (He) and nitro...
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Flexible thermocells for utilization of body heat
Plastic thermo-electrochemical cells (thermocells) involving aqueous potassium ferricyanide/ferrocyanide electrolyte have been investigated as an alternative to conventional thermoelectrics for thermal energy ...
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Wire electrical discharge machining of carbon nanofiber mats for field emission
This study describes wire electrical discharge machining (WEDM) of carbon nanofibers (CNFs) in air. Since EDM is able to machine any conductive material, it can be used to machine CNFs without causing physical...
