Vibrational spectroscopy of compound semiconductor nanocrystals

VM Dzhagan, YM Azhniuk, AG Milekhin… - Journal of Physics D …, 2018 - iopscience.iop.org
A review of recent applications of Raman spectroscopy as a fast, sensitive, and non-
destructive technique for exploring II–VI semiconductor nanocrystals fabricated by various …

Photoluminescence properties of CdTe/CdTeSe/CdSe core/alloyed/shell type-II quantum dots

NX Ca, NT Hien, NT Luyen, VTK Lien, LD Thanh… - Journal of Alloys and …, 2019 - Elsevier
We report investigations on the crystal structure and optical properties of CdTe/CdTe 0.5 Se
0.5/CdSe (CdTe/CdTeSe/CdSe) core/alloyed/shell (C/A/S) type-II structure and comparison …

UV–Vis-NIR and micro Raman spectroscopies for the non destructive identification of Cd1− xZnxS solid solutions in cadmium yellow pigments

F Rosi, C Grazia, F Gabrieli, A Romani… - Microchemical …, 2016 - Elsevier
Commercially available since the 1840s, cadmium zinc sulfides were extensively employed
by the nineteenth and twentieth century artists. The term cadmium sulfide refers to a number …

Resonant Raman scattering study of CdSe nanocrystals passivated with CdS and ZnS

VM Dzhagan, MY Valakh, AE Raevskaya… - …, 2007 - iopscience.iop.org
CdSe nanocrystals (NCs) were obtained from cadmium sulfate and sodium selenosulfate in
aqueous gelatin solutions. A near-bandgap emission of CdSe NCs was noticeably …

Raman-and IR-active phonons in CdSe/CdS core/shell nanocrystals in the presence of interface alloying and strain

VM Dzhagan, MY Valakh, AG Milekhin… - The Journal of …, 2013 - ACS Publications
Semiconductor core–shell nanocrystals (NCs) have greatly improved luminescent properties
including better resistance to photobleaching and ligand exchange. It was suggested that …

Reversible gelation of II–VI nanocrystals: the nature of interparticle bonding and the origin of nanocrystal photochemical instability

IR Pala, IU Arachchige, DG Georgiev, SL Brock - Angewandte Chemie, 2010 - infona.pl
Programmierbarer Auf‐und Abbau: Chemische und spektroskopische Studien zeigen, dass
die Bildung von Se‐Se‐Bindungen die oxidationsinduzierte Aggregation von Thiolat …

Spectral features above LO phonon frequency in resonant Raman scattering spectra of small CdSe nanoparticles

VM Dzhagan, I Lokteva, MY Valakh… - Journal of Applied …, 2009 - pubs.aip.org
We report unusual spectral features in the resonant Raman scattering spectra of colloidal
CdSe nanoparticles as small as 2–3 nm. High-frequency shoulders of the longitudinal …

Measuring and predicting the internal structure of semiconductor nanocrystals through Raman spectroscopy

P Mukherjee, SJ Lim, TP Wrobel… - Journal of the …, 2016 - ACS Publications
Nanocrystals composed of mixed chemical domains have diverse properties that are driving
their integration in next-generation electronics, light sources, and biosensors. However, the …

Influence of the substrate temperature on the formation of CuSbSe2 thin films grown by pulsed laser deposition

NE Vázquez-Barragán, K Rodríguez-Rosales… - Ceramics …, 2022 - Elsevier
Abstract Cu–Sb–Se targets were obtained by solid-state reaction from Cu 2 Se and Sb 2 Se
3 precursors annealed at different temperature and time conditions. The structural …

Raman analysis of CdSe/CdS core–shell quantum dots with different CdS shell thickness

L Lu, XL Xu, WT Liang, HF Lu - Journal of Physics: Condensed …, 2007 - iopscience.iop.org
We report the first-order and high-order Raman scattering from core–shell CdSe/CdS
nanocrystals and investigate the evolution of the longitudinal mode of CdSe (LO1) and CdS …