Laser ablated carbon nanodots for light emission

dc.creatorCAMACHO LOPEZ, MIGUEL ANGEL; 122933
dc.creatorReyes Contreras, Delfino; 290009
dc.creatorMAYORGA ROJAS, MIGUEL; 14896
dc.creatorWeathers, Duncan;x1232751
dc.creatorSALAMO, GREG;x1232750
dc.creatorWang, Zhiming;#0000-0002-4854-2170
dc.creatorNeogi, Biswarup;#0000-0002-0981-5383
dc.creatorCAMACHO LOPEZ, MIGUEL ANGEL
dc.creatorReyes Contreras, Delfino
dc.creatorMAYORGA ROJAS, MIGUEL
dc.creatorWeathers, Duncan
dc.creatorSALAMO, GREG
dc.creatorWang, Zhiming
dc.creatorNeogi, Biswarup
dc.date2018-03-15T04:28:44Z
dc.date2018-03-15T04:28:44Z
dc.date2016-09-22
dc.date.accessioned2019-05-28T21:50:01Z
dc.date.available2019-05-28T21:50:01Z
dc.identifier1931-7573
dc.identifierhttp://hdl.handle.net/20.500.11799/79974
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/2907125
dc.descriptionThe synthesis of fluorescent carbon dots-like nanostructures (CNDs) obtained through the laser ablation of a carbon solid target in liquid environment is reported. The ablation process was induced in acetone with laser pulses of 1064, 532, and 355 nm under different irradiation times. Close-spherical amorphous CNDs with sizes between 5 and 20 nm, whose abundance strongly depends on the ablation parameters were investigated using electron microscopy and was confirmed using absorption and emission spectroscopies. The π- π* electronic transition at 3. 76 eV dominates the absorption for all the CNDs species synthesized under different irradiation conditions. The light emission is most efficient due to excitation at 3.54 eV with the photoluminescence intensity centered at 3. 23 eV. The light emission from the CNDs is most efficient due to ablation at 355 nm. The emission wavelength of the CNDs can be tuned from the near-UV to the green wavelength region by controlling the ablation time and modifying the ablation and excitation laser wavelength.
dc.languageeng
dc.publisherNanoscale Research Letters
dc.relation11:424;
dc.relationDOI 10.1186/s11671-016-1638-8;
dc.rightsopenAccess
dc.rightshttp://creativecommons.org/licenses/by-nc-nd/4.0
dc.subjectlaser ablation
dc.subjectcarbon nanodots
dc.subjectphotoluminescence
dc.subjectBIOLOGÍA Y QUÍMICA
dc.titleLaser ablated carbon nanodots for light emission
dc.typeArtículos de revistas
dc.typeArtículos de revistas


Este ítem pertenece a la siguiente institución