期刊
APPLIED PHYSICS LETTERS
卷 94, 期 26, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3167354
关键词
bio-inspired materials; excitons; nanobiotechnology; nanofabrication; nanostructured materials; organic compounds; photoluminescence; quantum dots; self-assembly
Until now, the wide research field of quantum dots (QDs) focused on inorganic structures. In the present study, we report on quantum confinement phenomena found in peptide nanocrystalline regions formed within self-assembly peptide nanospheres. These bioinspired nanostructures exhibit the optical absorption characteristics of QDs with pronounced luminescence of excitons whose origin is at the UV region. Theoretical estimations based on experimental data show that the radius of the self assembled peptide QDs is 1.3 nm.
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