Infrared quantum dots: progress, challenges, and opportunities

H Lu, GM Carroll, NR Neale, MC Beard - ACS nano, 2019 - ACS Publications
Infrared technologies provide tremendous value to our modern-day society. The need for
easy-to-fabricate, solution-processable, tunable infrared active optoelectronic materials has …

Lead sulphide nanocrystal photodetector technologies

R Saran, RJ Curry - Nature Photonics, 2016 - nature.com
Light detection is the underlying principle of many optoelectronic systems. For decades,
semiconductors including silicon carbide, silicon, indium gallium arsenide and germanium …

Surface traps in colloidal quantum dots: a combined experimental and theoretical perspective

C Giansante, I Infante - The journal of physical chemistry letters, 2017 - ACS Publications
Surface traps are ubiquitous to nanoscopic semiconductor materials. Understanding their
atomistic origin and manipulating them chemically have capital importance to design defect …

Electronic processes within quantum dot-molecule complexes

RD Harris, S Bettis Homan, M Kodaimati, C He… - Chemical …, 2016 - ACS Publications
The subject of this review is the colloidal quantum dot (QD) and specifically the interaction of
the QD with proximate molecules. It covers various functions of these molecules, including (i) …

Tuning colloidal quantum dot band edge positions through solution-phase surface chemistry modification

DM Kroupa, M Vörös, NP Brawand… - Nature …, 2017 - nature.com
Band edge positions of semiconductors determine their functionality in many optoelectronic
applications such as photovoltaics, photoelectrochemical cells and light emitting diodes …

On the origin of surface traps in colloidal II–VI semiconductor nanocrystals

AJ Houtepen, Z Hens, JS Owen, I Infante - Chemistry of Materials, 2017 - ACS Publications
One of the greatest challenges in the field of semiconductor nanomaterials is to make trap-
free nanocrystalline structures to attain a remarkable improvement of their optoelectronic …

Scalable PbS quantum dot solar cell production by blade coating from stable inks

N Sukharevska, D Bederak, VM Goossens… - … applied materials & …, 2021 - ACS Publications
The recent development of phase transfer ligand exchange methods for PbS quantum dots
(QD) has enhanced the performance of quantum dots solar cells and greatly simplified the …

Cascade surface modification of colloidal quantum dot inks enables efficient bulk homojunction photovoltaics

MJ Choi, FP García de Arquer, AH Proppe… - Nature …, 2020 - nature.com
Control over carrier type and doping levels in semiconductor materials is key for
optoelectronic applications. In colloidal quantum dots (CQDs), these properties can be tuned …

Molecular-level insight into semiconductor nanocrystal surfaces

CL Hartley, ML Kessler… - Journal of the American …, 2021 - ACS Publications
Semiconductor nanocrystals exhibit attractive photophysical properties for use in a variety of
applications. Advancing the efficiency of nanocrystal-based devices requires a deep …

Ligand displacement exposes binding site heterogeneity on CdSe nanocrystal surfaces

E Drijvers, J De Roo, JC Martins, I Infante… - Chemistry of …, 2018 - ACS Publications
Nanocrystal–ligand interactions and ligand exchange processes are usually described by a
uniform distribution of equal binding sites. Here, we analyze this assumption by a …