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Optical spectrum showing surface plasmon enhanced transmission peak for p-polarized light through nanostructured gold grating. More detail can be found in: B. Singh and A.C. Hillier, “Surface plasmon resonance enhanced transmission of light through periodically modulated gold films,” Anal. Chem., 80, 3803-3810 (2008). |
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Plasmon-Enhanced Optical Sensing at Nanostructures |
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Research SNAPSHOTS |
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Hillier research group @ ISU |
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SEM image of supported poly(aniline) membrane. More detail can be found in: D. Pile, Y. Zhang and A.C. Hillier, “Electrochemically-modulated permeability through poly(aniline) and composite poly(aniline)-poly(styrenesulfonate) membranes,” Langmuir, 22, 5925-5931 (2006). |
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Stimuli-Responsive Polymer Membranes |
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Dispersion image of surface plasmon generated at gold-coated prism. More detail can be found in: B. Singh and A.C. Hillier, “Multicolor surface plasmon resonance imaging of inkjet-printed protein microarrays,” Anal. Chem. 79, 5124-5132, (2007). |
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Multi-Color Surface Plasmon Resonance Sensing |
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Surface plasmon image of sensor array. More detail can be found in: B. Singh and A.C. Hillier, “Surface plasmon resonance imaging of biomolecular interactions on a grating-based sensor array,” Anal. Chem., 78(6), 2009-2018 (2006). |
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High Throughput Optical Sensing |
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Electrochemical mapping of PtRu catalyst gradient. More detail can be found in: S. Jayaraman and A.C. Hillier, “Construction and reactivity screening of a surface composition gradient for combinatorial discovery of electro-oxidation catalysts,” J. Combi. Chem. 6, 27-31 (2004). |
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Reactivity Mapping of Electrocatalysts |
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Three-dimensional reconstruction of bromide monolayer on gold. Purple dots are bromide ions. Orange dots are gold atoms. More detail can be found in: Y. Zhang and A.C. Hillier, “Three dimensional atom probe tomography of ionic monolayers on gold,” in preparation (2009). |
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3-D Atom Probe Tomography of Thin Films |
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Schematic of directed polymer assembly via surface electric field gradients. More detail can be found in: E.L. Ratcliff and A.C. Hillier, “Directed electrodeposition of polymer films using spatially controllable electric field gradients,” Langmuir, 23, 9905-9910 (2007). |
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Surface Electric Field Gradients |
