Matches in SemOpenAlex for { <https://semopenalex.org/work/W1556575923> ?p ?o ?g. }
- W1556575923 abstract "We studied the photoluminescence (PL) properties of graphene quantum dots (GQDs) separated by size-exclusion high performance liquid chromatography. The size separation of GQDs was confirmed by transmission electron microcopy images. PL excitation maps of chromatographically-separated GQDs show four distinct emission peaks at 330, 440, 520, and 600 nm, respectively. The dominant luminescence features of the separated GQDs show discrete change depending on the overall size of GQDs, indicating that PL variation occurs because of differences in density, shape, and size of sp2 fragments available in the GQDs. On the basis of the experimental results of PL peak wavelength and pH dependence, the emission is attributed to quasi-molecular PL from the fragments composed of a few aromatic rings with oxygen containing functional groups." @default.
- W1556575923 created "2016-06-24" @default.
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- W1556575923 date "2013-11-07" @default.
- W1556575923 modified "2023-09-25" @default.
- W1556575923 title "Size-Dependent Luminescence Properties of Chromatographically-Separated Graphene Quantum Dots" @default.
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