Jayson Griffin

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Five commercially available domestic cleaning robots were evaluated on their effectiveness for sampling aerosol-deposited Bacillus atrophaeus spores on different indoor material surfaces. The five robots tested include three vacuum types (R1, R2, and R3), one wet wipe (R4), and one wet vacuum (R5). Tests were conducted on two different surface types (carpet(More)
We report for the first time on grain rotation in CH3NH3PbI3 perovskite films for ∼12% efficient planar solar cells and present a new method for investigating their texture evolution during thermal annealing. Our technique is based on in situ 2D grazing incidence wide-angle X-ray scattering (GI-WAXS) and employs a 10 keV wide-focussed X-ray beam to(More)
Spontaneous emission of Eu<sup>3&#x002B;</sup> is studied in the vicinity of gold gratings and nanostrip arrays. Radiation patterns of magnetic and electric transitions show features associated with plasmonic excitations and a narrow reflection anomaly in the strips.
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