Publications
41 results found
Kim JA, Qin H, Hwang T, et al., 2014, Novel environmental monitoring sensor technologies with fiber optics and various sensing layers
In this study, we have suggested various sensors for aerosol, VOCs (volatile organic compounds), and biomolecules detecting with diverse sensing layers such as, tetraethylorthosilicate (TEOS), thymol blue, polypyrrole, graphene, graphene oxide (GO), reduced graphene oxide (rGO), DNA, and so on. Every sensors have shown very interesting sensing characteristics with good performances. Steadily, we are proceeding various fiber optic sensors with fascinating sensing layers and mechanisms as well.
Kim JA, Hwang T, Dugasani SR, et al., 2014, Functional Graphene Composite Films for Surface Plasmon Resonance Sensor Technology, 13th IEEE Sensors Conference, Publisher: IEEE, ISSN: 1930-0395
Gnapareddy B, Kim JA, Dugasani SR, et al., 2014, Fabrication and characterization of PNA-DNA hybrid nanostructures, RSC ADVANCES, Vol: 4, Pages: 35554-35558, ISSN: 2046-2069
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- Citations: 5
Hwang T, Kim JA, 2014, Glucose Waveguide Sensor Based on Graphene, 13th IEEE Sensors Conference, Publisher: IEEE, ISSN: 1930-0395
Hwang T, Kim JA, Kulkarni A, et al., 2013, Graphene photo detector with integrated waveguide biochemical sensors, SENSORS AND ACTUATORS B-CHEMICAL, Vol: 187, Pages: 319-322, ISSN: 0925-4005
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- Citations: 4
Kim JA, Hwang T, Dugasani SR, et al., 2013, Graphene based fiber optic surface plasmon resonance for bio-chemical sensor applications, SENSORS AND ACTUATORS B-CHEMICAL, Vol: 187, Pages: 426-433, ISSN: 0925-4005
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- Citations: 114
Kulkarni A, Kim B, Dugasani SR, et al., 2013, A novel nanometric DNA thin film as a sensor for alpha radiation, SCIENTIFIC REPORTS, Vol: 3, ISSN: 2045-2322
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- Citations: 28
Samal M, Mohapatra P, Subbiah R, et al., 2013, InP/ZnS-graphene oxide and reduced graphene oxide nanocomposites as fascinating materials for potential optoelectronic applications, NANOSCALE, Vol: 5, Pages: 9793-9805, ISSN: 2040-3364
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- Citations: 24
Some S, Kim J, Lee K, et al., 2012, Highly air-stable phosphorus-doped n-type graphene field-effect transistors., Adv Mater, Vol: 24, Pages: 5481-5486
Phosphorus-doped double-layered graphene field-effect transistors (PDGFETs) show much stronger air-stable n-type behavior than nitrogen-doped double-layered graphene FETs (NDGFETs), even under an oxygen atmosphere, due to strong nucleophilicity, which may lead to real applications for air-stable n-type graphene channels.
Kim J, Kasture M, Hwang T, et al., 2012, Graphene-based waveguides: novel method for detecting biological activity., Pages: 1069-1075
We demonstrate the fabrication of a biosensor based on graphene coupled with polydimethylsiloxane (PDMS) waveguide. Biosensors work on the principle of local evanescent graphene-coupled wave sensor. It is observed that the evanescent field shifts in the presence of chemical or biological species as evanescent waves are extremely sensitive to a change in refractive index. This method helps to monitor the target analyte by attaching the selective receptor molecules to the surface of the PDMS optical waveguide resulting in its optical intensity distribution shift. We monitor the electrical properties of graphene in the dark and under illumination of PDMS waveguide. The changes in photocurrent through the graphene film were monitored for blue, green, and red light. We observed that the fabricated graphene-coupled PDMS optical waveguide sensor is sensitive to visible light for the used bioanalytes.
Kim JA, Kulkarni A, Kang J, et al., 2012, Evaluation of Multi-Layered Graphene Surface Plasmon Resonance-Based Transmission Type Fiber Optic Sensor, JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY, Vol: 12, Pages: 5381-5385, ISSN: 1533-4880
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- Citations: 14
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