Exciton diffusion and dissociation in organic and quantum‐dot solar cells

D He, M Zeng, Z Zhang, Y Bai, G **ng, HM Cheng… - …, 2023 - Wiley Online Library
For the process of photovoltaic conversion in organic solar cells (OSCs) and quantum‐dot
solar cells (QDSCs), three of four steps are determined by exciton behavior, namely, exciton …

Progress and prospects in optical ultrafast microscopy in the visible spectral region: Transient absorption and two-dimensional microscopy

N Gross, CT Kuhs, B Ostovar, WY Chiang… - The Journal of …, 2023 - ACS Publications
Ultrafast optical microscopy, generally employed by incorporating ultrafast laser pulses into
microscopes, can provide spatially resolved mechanistic insight into scientific problems …

Environment-assisted quantum transport of excitons in perovskite nanocrystal superlattices

DD Blach, VA Lumsargis-Roth, C Chuang… - Nature …, 2025 - nature.com
Transport of energy carriers in solid-state materials is determined by their wavefunctions and
interactions with the environment. While quantum transport theory has predicted distinct …

Superradiance and exciton delocalization in perovskite quantum dot superlattices

DD Blach, VA Lumsargis, DE Clark, C Chuang… - Nano …, 2022 - ACS Publications
Achieving superradiance in solids is challenging due to fast dephasing processes from
inherent disorder and thermal fluctuations. Perovskite quantum dots (QDs) are an exciting …

In Situ Iodide Passivation Toward Efficient CsPbI3 Perovskite Quantum Dot Solar Cells

J Shi, B Cohen-Kleinstein, X Zhang, C Zhao, Y Zhang… - Nano-Micro Letters, 2023 - Springer
Highlights The introduction of hydroiodic acid (HI) manipulates the dynamic conversion of
PbI2 into highly coordinated species to optimize the nucleation and growth kinetics. The …

Ligand‐Pinning Induced Size Modulation of CsPbI3 Perovskite Quantum Dots for Red Light‐Emitting Diodes

Z Qi, X Mei, J Wang, J Qiu, W Zheng… - Advanced Functional …, 2024 - Wiley Online Library
Perovskite quantum dots (PQDs) show high potential for new‐generation light‐emitting
diodes (LEDs) due to their outstanding optoelectronic properties. Even though the red PQD …

Interparticle Charge‐Transport‐Enhanced Electrochemiluminescence of Quantum‐Dot Aerogels

X Gao, G Jiang, C Gao, A Prudnikau… - Angewandte Chemie …, 2023 - Wiley Online Library
Electrochemiluminescence (ECL) represents a widely explored technique to generate light,
in which the emission intensity relies critically on the charge‐transfer reactions between …

Making and Breaking of Exciton Cooling Bottlenecks in Halide Perovskite Nanocrystals

JWM Lim, Y Guo, M Feng, R Cai… - Journal of the American …, 2023 - ACS Publications
Harnessing quantum confinement (QC) effects in semiconductors to retard hot carrier
cooling (HCC) is an attractive approach for enabling efficient hot carrier extraction to …

Temperature-controlled reversible formation and phase transformation of 3D Nanocrystal superlattices through in situ small-angle x-ray scattering

E Marino, DJ Rosen, S Yang, EHR Tsai, CB Murray - Nano Letters, 2023 - ACS Publications
For decades, the spontaneous organization of nanocrystals into superlattices has captivated
the scientific community. However, achieving direct control over the formation of the …

A Universal Perovskite Nanocrystal Ink for High‐Performance Optoelectronic Devices

H Song, J Yang, WH Jeong, J Lee, TH Lee… - Advanced …, 2023 - Wiley Online Library
Semiconducting lead halide perovskite nanocrystals (PNCs) are regarded as promising
candidates for next‐generation optoelectronic devices due to their solution processability …