Sentences with phrase «photoluminescence quantum»
Transition - metal dichalcogenide monolayers have naturally terminated surfaces and can exhibit a near - unity photoluminescence quantum yield in the presence of suitable defect passivation.
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They excel in a property called the photoluminescence quantum efficiency, which is key to maximizing the efficiency of solar cells.
With their low light loss and high photoluminescence quantum yield, these novel one - dimensional microstructures could serve as an effective platform for the development of new systems of color tunable optical waveguides with polarized emissions.
Not exact matches
Dr Marek Potemski and co-workers working at CNRS (France) in collaboration with researchers at the University of Warsaw (Poland) discovered stable quantum emitters at the edges of WSe2 monolayers, displaying highly localised photoluminescence with single - photon emission characteristics.
An overlay of the microscope image of a quantum LED device and the photoluminescence image from the active area of WSe2.
Pyrenecarboxylic acid - functionalized CdSe quantum dots undergo thermally activated delayed photoluminescence.
From the absolute photoluminescence intensity, we measure internal and external quantum efficiencies of 99.7 % and 72 %, respectively.