Aqueous based semiconductor nanocrystals

L Jing, SV Kershaw, Y Li, X Huang, Y Li… - Chemical …, 2016 - ACS Publications
This review summarizes traditional and recent nonconventional, bioinspired, methods for the
aqueous synthesis of colloidal semiconductor quantum dots (QDs). The basic chemistry …

Engineering semiconductor quantum dots for co-upcycling of CO 2 and biomass-derived alcohol

LX Zhang, ZR Tang, MY Qi, YJ Xu - Journal of Materials Chemistry A, 2024 - pubs.rsc.org
Utilizing semiconductor quantum dots (QDs) to construct a bifunctional reaction system of
coupling CO2 reduction with biomass valorization represents an appealing approach for the …

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 …

Self-assembled framework enhances electronic communication of ultrasmall-sized nanoparticles for exceptional solar hydrogen evolution

XB Li, YJ Gao, Y Wang, F Zhan, XY Zhang… - Journal of the …, 2017 - ACS Publications
Colloidal quantum dots (QDs) have demonstrated great promise in artificial photosynthesis.
However, the ultrasmall size hinders its controllable and effective interaction with …

First Order Raman Scattering in Bulk Bi2S3 and Quantum Dots: Reconsidering Controversial Interpretations

I Zumeta-Dube, JL Ortiz-Quiñonez, D Díaz… - The Journal of …, 2014 - ACS Publications
In the present work, the nonresonance and resonance Raman scattering by Bi2S3 quantum
dots, with an average size of 2.3 nm and standard deviation of 0.4 nm, is studied. The …

Electron–phonon coupling in CdSe/CdS core/shell quantum dots

C Lin, K Gong, DF Kelley, AM Kelley - ACS nano, 2015 - ACS Publications
Resonance Raman spectra and excitation profiles have been measured and
semiquantitatively modeled for core/shell quantum dots consisting of 2.7 nm diameter …

Laser-induced Fano asymmetry, electron-phonon coupling, and phase transition in lanthanide sesquioxide (Ln2O3; Ln= Eu, Gd, Dy) nanoparticles: A Raman …

S Bhattacharjee, KK Chattopadhyay - Journal of Applied Physics, 2022 - pubs.aip.org
Laser power-dependent Raman spectroscopy is deployed to probe Fano interference in
asymmetrically broadened T g modes and the associated line shift in three technologically …

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 …

Shell Thickness Modulation in Ultrasmall CdSe/CdSxSe1–x/CdS Core/Shell Quantum Dots via 1-Thioglycerol

ACA Silva, SW da Silva, PC Morais, NO Dantas - ACS nano, 2014 - ACS Publications
In this study, we report on the synthesis of CdSe/CdS core–shell ultrasmall quantum dots
(CS-USQDs) using an aqueous-based wet chemistry protocol. The proposed chemical route …

Direct characterization of nanocrystal size distribution using Raman spectroscopy

İ Doğan, M van de Sanden - Journal of Applied Physics, 2013 - pubs.aip.org
We report a rigorous analytical approach based on one-particle phonon confinement model
to realize direct detection of nanocrystal size distribution and volume fraction by using …