Organic optoelectronic materials: mechanisms and applications

O Ostroverkhova - Chemical reviews, 2016‏ - ACS Publications
Organic (opto) electronic materials have received considerable attention due to their
applications in thin-film-transistors, light-emitting diodes, solar cells, sensors, photorefractive …

Free charge carriers in homo-sorted π-stacks of donor–acceptor conjugates

M Madhu, R Ramakrishnan, V Vijay… - Chemical …, 2021‏ - ACS Publications
Inspired by the high photoconversion efficiency observed in natural light-harvesting systems,
the hierarchical organization of molecular building blocks has gained impetus in the past …

The role of charge recombination to triplet excitons in organic solar cells

AJ Gillett, A Privitera, R Dilmurat, A Karki, D Qian… - Nature, 2021‏ - nature.com
The use of non-fullerene acceptors (NFAs) in organic solar cells has led to power
conversion efficiencies as high as 18%. However, organic solar cells are still less efficient …

Highly efficient organic solar cells enabled by suppressing triplet exciton formation and non-radiative recombination

C Li, G Yao, X Gu, J Lv, Y Hou, Q Lin, N Yu… - Nature …, 2024‏ - nature.com
The high non-radiative energy loss is a bottleneck issue that impedes the improvement of
organic solar cells. The formation of triplet exciton is thought to be the main source of the …

The importance of vibronic coupling for efficient reverse intersystem crossing in thermally activated delayed fluorescence molecules

J Gibson, AP Monkman, TJ Penfold - ChemPhysChem, 2016‏ - Wiley Online Library
Factors influencing the rate of reverse intersystem crossing (krISC) in thermally activated
delayed fluorescence (TADF) emitters are critical for improving the efficiency and …

Emissive and charge-generating donor–acceptor interfaces for organic optoelectronics with low voltage losses

S Ullbrich, J Benduhn, X Jia, VC Nikolis, K Tvingstedt… - Nature materials, 2019‏ - nature.com
Intermolecular charge-transfer states at the interface between electron donating (D) and
accepting (A) materials are crucial for the operation of organic solar cells but can also be …

Nonradiative triplet loss suppressed in organic photovoltaic blends with fluoridated nonfullerene acceptors

R Wang, J Xu, L Fu, C Zhang, Q Li, J Yao… - Journal of the …, 2021‏ - ACS Publications
In organic photovoltaic (OPV) blends, photogenerated excitons dissociate into charge-
separated electrons and holes at donor/acceptor interfaces. The bimolecular recombination …

Interfacial charge transfer states in condensed phase systems

K Vandewal - Annual review of physical chemistry, 2016‏ - annualreviews.org
Intermolecular charge transfer (CT) states at the interface between electron-donating (D)
and electron-accepting (A) materials in organic thin films are characterized by absorption …

A nitroxide radical conjugated polymer as an additive to reduce nonradiative energy loss in organic solar cells

F Shi, P Guo, X Qiao, G Yao, T Zhang, Q Lu… - Advanced …, 2023‏ - Wiley Online Library
Nonfullerene‐acceptor‐based organic solar cells (NFA‐OSCs) are now set off to the 20%
power conversion efficiency milestone. To achieve this, minimizing all loss channels …

Nanoscale transport of charge-transfer states in organic donor–acceptor blends

PB Deotare, W Chang, E Hontz, DN Congreve, L Shi… - Nature materials, 2015‏ - nature.com
Abstract Charge-transfer (CT) states, bound combinations of an electron and a hole on
separate molecules, play a crucial role in organic optoelectronic devices. We report direct …