Synthesis of blue-shifted luminescent colloidal GaN nanocrystals through femtosecond pulsed laser ablation in organic solution

Basit Öğe Kaydı
dc.authoridKursungoz Bagci, Canan/0000-0001-5658-2044|Yilmaz, Ibrahim/0000-0003-1503-4046
dc.contributor.authorDemirel, Abdulmelik
dc.contributor.authorOztas, Tugba
dc.contributor.authorKursungoz, Canan
dc.contributor.authorYilmaz, Ibrahim
dc.contributor.authorOrtac, Bulend
dc.date.accessioned2025-10-24T18:08:50Z
dc.date.available2025-10-24T18:08:50Z
dc.date.issued2016
dc.departmentMalatya Turgut Özal Üniversitesi
dc.description.abstractWe demonstrate the synthesis of GaN nanocrystals (NCs) with the sizes of less than the doubled exciton Bohr radius leading quantum confinement effects via a single-step technique. The generation of colloidal GaN nanoparticles (NPs) in organic solution through nanosecond (ns) and femtosecond (fs) pulsed laser ablation (PLA) of GaN powder was carried out. Ns PLA in ethanol and polymer matrix resulted in amorphous GaN-NPs with the size distribution of 12.4 +/- 7.0 and 6.4 +/- 2.3 nm, respectively, whereas fs PLA in ethanol produced colloidal GaN-NCs with spherical shape within 4.2 +/- 1.9 nm particle size distribution. XRD and selected area electron diffraction analysis of the product via fs PLA revealed that GaN-NCs are in wurtzite structure. Moreover, X-ray photoelectron spectroscopy measurements also confirm the presence of GaN nanomaterials. The colloidal GaN-NCs solution exhibits strong blue shift in the absorption spectrum compared to that of the GaN-NPs via ns PLA in ethanol. Furthermore, the photoluminescence emission behavior of fs PLA-generated GaN-NCs in the 295-400 nm wavelength range is observed with a peak position located at 305 nm showing a strong blue shift with respect to the bulk GaN.
dc.description.sponsorshipScientific Research Fund of Turgut Ozal University [001-04-2012]; State Planning Organization (DPT) of Turkey; TUBITAK [113S223]; Turkish Academy of Sciences-Outstanding Young Scientists Award Program (TUBA-GEBIP); Bilim Akademisi-The Science Academy, Turkey under the BAGEP program; METU Prof. Dr. Mustafa Parlar Foundation
dc.description.sponsorshipThis work is supported by the Scientific Research Fund of Turgut Ozal University under the project number of 001-04-2012. State Planning Organization (DPT) of Turkey is acknowledged for the support of UNAM-Institute of Materials Science and Nanotechnology. B.O. acknowledges partial support of TUBITAK (Project No: 113S223), The Turkish Academy of Sciences-Outstanding Young Scientists Award Program (TUBA-GEBIP), Bilim Akademisi-The Science Academy, Turkey under the BAGEP program, and METU Prof. Dr. Mustafa Parlar Foundation.
dc.identifier.doi10.1007/s11051-016-3440-z
dc.identifier.issn1388-0764
dc.identifier.issn1572-896X
dc.identifier.issue5
dc.identifier.scopus2-s2.0-84969760168
dc.identifier.scopusqualityQ2
dc.identifier.urihttps://doi.org/10.1007/s11051-016-3440-z
dc.identifier.urihttps://hdl.handle.net/20.500.12899/3338
dc.identifier.volume18
dc.identifier.wosWOS:000376270600002
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherSpringer
dc.relation.ispartofJournal Of Nanoparticle Research
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_20251023
dc.subjectGallium nitride nanoparticles; Femtosecond/nanosecond pulsed laser ablation in organic solution; Ultrasmall nanocrystal generation; Photoluminescence
dc.titleSynthesis of blue-shifted luminescent colloidal GaN nanocrystals through femtosecond pulsed laser ablation in organic solution
dc.typeArticle

Dosyalar

Koleksiyon

WoS İndeksli Yayınlar Koleksiyonu
Scopus İndeksli Yayınlar Koleksiyonu