Aggregation triggers red/near-infrared light hydrogen production of organic dyes with high efficiency

P Yang, Q Zhang, Y Zhang, H Zhang, J Zhao… - ACS …, 2023 - ACS Publications
Integrating broad-band red/near-infrared (NIR) light harvesting and efficient charge
separation in a semiconductor is a crucial prerequisite for the realization of high …

Optically accessible long-lived electronic biexcitons at room temperature in strongly coupled H-aggregates

S Sohoni, I Ghosh, GT Nash, CA Jones… - Nature …, 2024 - nature.com
Photon absorption is the first process in light harvesting. Upon absorption, the photon
redistributes electrons in the materials to create a Coulombically bound electron-hole pair …

H-type-like aggregation-accelerated singlet fission process in Dipyrrolonaphthyridinedione thin film: The role of charge transfer/excimer mixed intermediate state

L Wang, W Cai, J Sun, Y Wu, B Zhang… - The Journal of …, 2021 - ACS Publications
Through the combination of transient spectroscopy and theoretical simulations, an
accelerated singlet fission (SF) process was evidently observed in the strongly coupled H …

Aggregation‐induced conversion from TADF to phosphorescence of gold (I) complexes with millisecond lifetimes

XY Wang, J Gong, H Zou, SH Liu, J Zhang - Aggregate, 2023 - Wiley Online Library
Long‐lived luminescent materials possess wide application prospects in various areas, but
their constructions still face a huge challenge, especially the achievement in solution …

Excimer Formation of Perylene Bisimide Dyes within Stacking-Restrained Folda-Dimers: Insight into Anomalous Temperature Responsive Dual Fluorescence

C Shang, G Wang, YC Wei, Q Jiang, K Liu… - CCS …, 2022 - chinesechemsoc.org
We have fabricated a new perylene bisimide (PBI) folda-dimer (BPBI-CB-1) by tethering two
PBI moieties to the ortho-carbon positions of a carborane unit. The synthesized compound …

Realization of single-phase white-light-emitting materials with time-evolution ultralong room-temperature phosphorescence by coordination assemblies

H Liu, K Zhang, PF Gao, JH Luo, YY Jiang… - Inorganic …, 2022 - ACS Publications
Two Cd-based supramolecular coordination polymers,[Cd3 (CzIP) 3 (DMF) 2](1) and [Cd2
(CzIP) 2 (DMF) 4](2), were synthesized by using 5-(carbazol-9-yl) isophthalate (CzIP) as …

[HTML][HTML] Excimers in Multichromophoric Assemblies: Boon or Bane?

D Chaudhuri - Organic Materials, 2021 - thieme-connect.com
Exciton dynamics in organic semiconductors is a subject of great significance from the
standpoint of light emission, as well as light harvesting. As transient excited state species …

Geometry relaxation-mediated localization and delocalization of excitons in organic semiconductors: A quantum chemical study

M Deutsch, S Wirsing, D Kaiser, RF Fink… - The Journal of …, 2020 - pubs.aip.org
Photo-induced relaxation processes leading to excimer formations or other traps are in the
focus of many investigations of optoelectronic materials because they severely affect the …

Noncovalent Catalyst-cum-Inhibitor Directed Supramolecular Pathway Selection and Asymmetry Amplification by Aggregate Cross-Nucleation

T Pal, S Samanta, D Chaudhuri - ACS nano, 2024 - ACS Publications
The key to any controlled supramolecular polymerization (CSP) process lies in controlling
the nucleation step, which is typically achieved by sequestering monomers in a kinetically …

Dynamic Self‐Assembly of Photo‐Reduced Perylene Diimide: Single‐Component White Light Emission from Organic Radicals

O Chatterjee, R Roy, A Pramanik… - Advanced Optical …, 2022 - Wiley Online Library
White light‐emitting materials have attracted considerable attention in lighting devices and
display media. This article reports the first‐ever demonstration of a radical‐based self …