• Publications
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Graphene transistor arrays for recording action potentials from electrogenic cells.
The development of the future generation of neuroprosthetic devices will require the advancement of novel solid-state sensors and actuators with a further improvement in the signal detectionExpand
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Experimental demonstrations of spontaneous, solar-driven photoelectrochemical water splitting
Laboratory demonstrations of spontaneous photoelectrochemical (PEC) solar water splitting cells are reviewed. Reported solar-to-hydrogen (STH) conversion efficiencies range from 10% STH efficiencyExpand
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Graphene Solution‐Gated Field‐Effect Transistor Array for Sensing Applications
Graphene, with its unique combination of physical and electronic properties, holds great promise for biosensor and bioelectronic applications. In this respect, the development of grapheneExpand
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Indirect Bandgap and Optical Properties of Monoclinic Bismuth Vanadate
Monoclinic scheelite bismuth vanadate (m-BiVO4) is a promising semiconductor photoanode for photoelectrochemical (PEC) water splitting. Despite considerable recent progress in achieving improvedExpand
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Large melting-point hysteresis of Ge nanocrystals embedded in SiO2.
The melting behavior of Ge nanocrystals embedded within SiO2 is evaluated using in situ transmission electron microscopy. The observed melting-point hysteresis is large (+/-17%) and nearly symmetricExpand
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Mechanism of stress relaxation in Ge nanocrystals embedded in SiO2
Ion-beam-synthesized {sup 74}Ge nanocrystals embedded in an amorphous silica matrix exhibit large compressive stresses in the as-grown state. The compressive stress is determined quantitatively byExpand
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Theory of nanocluster size distributions from ion beam synthesis.
Ion beam synthesis of nanoclusters is studied via both kinetic Monte Carlo simulations and the self-consistent mean-field solution to a set of coupled rate equations. Both approaches predict theExpand
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Hole selective MoOx contact for silicon solar cells.
Using an ultrathin (∼ 15 nm in thickness) molybdenum oxide (MoOx, x < 3) layer as a transparent hole selective contact to n-type silicon, we demonstrate a room-temperature processed oxide/siliconExpand
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Facet-dependent photovoltaic efficiency variations in single grains of hybrid halide perovskite
The photovoltaic properties of hybrid organic–inorganic perovskites are sensitive to the local microstructure, but difficult to quantify at the nanoscale. Leblebici et al. use conductive atomic forceExpand
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Functionalization of 6H-SiC surfaces with organosilanes
We demonstrate the successful covalent functionalization of n-type 6H-SiC with organosilanes. In particular, wet-chemically processed self-assembled layers of octadecyltrimethoxysilane andExpand
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