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Ionic species produced from carbon-based nanomaterials on exposure to an ultraviolet laser can be detected by the mass spectrometer, and these carbon cluster species are used to map and quantify the distribution of nanomaterials in mice.
The high charge doping achieved in ionic field-effect transistors by lithium intercalation allows gate-controlled phase transitions in thin flakes of 1T-TaS2.
Quantum dots encapsulated in a gold nanoshell provide a hybrid plasmonic–fluorescent emitter with increased stability against high power excitation or drastic changes in the environment.