Core/shell quantum dots solar cells

GS Selopal, H Zhao, ZM Wang… - Advanced Functional …, 2020 - Wiley Online Library
Semiconductor nanocrystals, the so‐called quantum dots (QDs), exhibit versatile optical and
electrical properties. However, QDs possess high density of surface defects/traps due to the …

Electronic structure and excited state dynamics of cadmium chalcogenide nanorods

KE Shulenberger, MR Jilek, SJ Sherman… - Chemical …, 2023 - ACS Publications
The cylindrical quasi-one-dimensional shape of colloidal semiconductor nanorods (NRs)
gives them unique electronic structure and optical properties. In addition to the band gap …

Composition-Defined Optical Properties and the Direct-to-Indirect Transition in Core–Shell In1–xGaxP/ZnS Colloidal Quantum Dots

A Gupta, JC Ondry, K Lin, Y Chen… - Journal of the …, 2023 - ACS Publications
Semiconductors are commonly divided into materials with direct or indirect band gaps based
on the relative positions of the top of the valence band and the bottom of the conduction …

Engineering Auger recombination in colloidal quantum dots via dielectric screening

X Hou, J Kang, H Qin, X Chen, J Ma, J Zhou… - Nature …, 2019 - nature.com
Auger recombination is the main non-radiative decay pathway for multi-carrier states of
colloidal quantum dots, which affects performance of most of their optical and optoelectronic …

Photocatalytic hydrogen generation by CdSe/CdS nanoparticles

F Qiu, Z Han, JJ Peterson, MY Odoi, KL Sowers… - Nano …, 2016 - ACS Publications
The photocatalytic hydrogen (H2) production activity of various CdSe semiconductor
nanoparticles was compared including CdSe and CdSe/CdS quantum dots (QDs), CdSe …

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 …

High-Efficiency and Stable Colloidal One-Dimensional Core/Shell Nanorod Light-Emitting Diodes

Y Zeng, S Ma, F Cao, W Chen, Q Wang, G **… - Nano Letters, 2024 - ACS Publications
Anisotropic nanocrystals such as nanorods (NRs) display unique linearly polarized
emission, which is expected to break the external quantum efficiency (EQE) limit of quantum …

Hole transfer from photoexcited quantum dots: the relationship between driving force and rate

JH Olshansky, TX Ding, YV Lee… - Journal of the …, 2015 - ACS Publications
We have investigated the relationship between driving force and rate for interfacial hole
transfer from quantum dots (QDs). This relationship is experimentally explored by using six …

Colloidal atomic layer deposition with stationary reactant phases enables precise synthesis of “digital” II–VI nano-heterostructures with exquisite control of confinement …

A Hazarika, I Fedin, L Hong, J Guo… - Journal of the …, 2019 - ACS Publications
In contrast to molecular systems, which are defined with atomic precision, nanomaterials
generally show some heterogeneity in size, shape, and composition. The sample …

High-performance CdS–ZnS core–shell nanorod array photoelectrode for photoelectrochemical hydrogen generation

J Zhang, L Wang, X Liu, X Li, W Huang - Journal of Materials Chemistry …, 2015 - pubs.rsc.org
A dense array of CdS–ZnS core–shell nanorods film (1D vertically aligned) was synthesized
through a simple two-step aerosol assisted chemical vapor deposition (AACVD) method. In …