Zn alloying strategy to improve the photoluminescence of CuGaS2/ZnS core/shell quantum dots

Research efforts are being devoted to realize colloidal, heavy metal ion free, and luminescent quantum dots. We address radiative recombination in Zn alloyed CuGaS2/ZnS core/shell chalcopyrite quantum dots (CQDs) emitting in the blue-green spectral region. QDs show a systematic increase in the optic...

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Veröffentlicht in:	Journal of materials chemistry. A, Materials for energy and sustainability Materials for energy and sustainability, 2024-05, Vol.12 (18), p.10726-10736
Hauptverfasser:	Mohammed Abdul Haque, Lohar, Amruta, Jadhav, Yogesh, Kumar, Ravi, Jha, S N, Bhattacharyya, D, Jadkar, Sandesh, Sartale, Shrikrishna, Mahamuni, Shailaja
Format:	Artikel
Sprache:	eng
Schlagworte:	Absorption Alloying Chalcopyrite Conduction Conduction bands Copper Defects Electrochemistry Electron paramagnetic resonance Electron spin Electron spin resonance Electrons Emission Emission measurements Energy gap Fine structure Heavy metals Luminescence Metal ions Oxidation Photoluminescence Photons Quantum dots Radiative recombination Recombination Spectral emittance Spin resonance Stoichiometry Structural analysis Temperature dependence Ultrastructure Valence band X ray absorption X-rays Zinc Zinc sulfide
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