Near‐infrared, heavy metal‐free colloidal “Giant” core/shell quantum dots

X Tong, XT Kong, Y Zhou… - Advanced Energy …, 2018 - Wiley Online Library
Abstract “Giant” core/shell quantum dots (g‐QDs) are a promising class of materials for
future optoelectronic technologies due to their superior chemical‐and photostability …

Optoelectronic properties in near‐infrared colloidal heterostructured pyramidal “Giant” core/shell quantum dots

X Tong, XT Kong, C Wang, Y Zhou… - Advanced …, 2018 - Wiley Online Library
Colloidal heterostructured quantum dots (QDs) are promising candidates for next‐
generation optoelectronic devices. In particular,“giant” core/shell QDs (g‐QDs) can be …

Tailored near-infrared-emitting colloidal heterostructured quantum dots with enhanced visible light absorption for high performance photoelectrochemical cells

AI Channa, X Tong, JY Xu, Y Liu, C Wang… - Journal of Materials …, 2019 - pubs.rsc.org
Colloidal heterostructured CuGaS2 (CGS)/CdS core/shell quantum dots (QDs) with a
wurtzite (WZ) phase were synthesized via a facile two-step technique. As compared to the …

A facile route to synthesize CdSe/ZnS thick-shell quantum dots with precisely controlled green emission properties: towards QDs based LED applications

J Hao, H Liu, J Miao, R Lu, Z Zhou, B Zhao, B Xie… - Scientific Reports, 2019 - nature.com
In recent, the quantum yield (QY) and stability of green quantum dots (QDs) have been
significantly improved. However, most of the progresses were achieved by using alloyed …

A layer-by-layer growth strategy for large-size InP/ZnSe/ZnS core–shell quantum dots enabling high-efficiency light-emitting diodes

F Cao, S Wang, F Wang, Q Wu, D Zhao… - Chemistry of …, 2018 - ACS Publications
Shell is of great significance to the enhancement in the photoluminescence quantum yield
(PLQY) and stability of core–shell-type quantum dots (QDs). InP/ZnS core–shell QDs without …

Synthesis and optical properties of core-multi-shell CdSe/CdS/ZnS quantum dots: Surface modifications

RK Ratnesh, MS Mehata - Optical Materials, 2017 - Elsevier
We report two port synthesis of CdSe/CdS/ZnS core-multi-shell quantum dots (Q-dots) and
their structural properties. The multi-shell structures of Q-dots were developed by using …

InP@ ZnSeS, core@ composition gradient shell quantum dots with enhanced stability

J Lim, WK Bae, D Lee, MK Nam, J Jung… - Chemistry of …, 2011 - ACS Publications
Utilizing the reactivity difference between TOPSe and TOPS, we synthesized InP@ ZnSeS
QDs with the composition gradient in a radial direction where ZnSe alleviated lattice strain …

Systematic and extensive emission tuning of highly efficient Cu–In–S-based quantum dots from visible to near infrared

SY Yoon, JH Kim, EP Jang, SH Lee, DY Jo… - Chemistry of …, 2019 - ACS Publications
Group I–III–VI chalcogenides are emerging candidates for the synthesis of efficient quantum
dot (QD) emitters, particularly since they are free from environmentally harmful substances …

Synthesis of Highly Luminescent and Photo-Stable, Graded Shell CdSe/CdxZn1–xS Nanoparticles by In Situ Alloying

K Boldt, N Kirkwood, GA Beane… - Chemistry of …, 2013 - ACS Publications
We report a facile and robust synthesis of Cd x Zn1–x S graded shells on CdSe
nanoparticles that are prepared by interface alloying between CdS and ZnS shells at …

Facile, air-insensitive solvothermal synthesis of emission-tunable CuInS 2/ZnS quantum dots with high quantum yields

DE Nam, WS Song, H Yang - Journal of Materials Chemistry, 2011 - pubs.rsc.org
Yellow-to-red emitting CuInS2/ZnS (CIS/ZnS) core/shell quantum dots (QDs) with a
maximum photoluminescence quantum yield (QY) of∼ 65% were facilely synthesized via a …