Quantifying the overall efficiency of circularly polarized emitters

L Arrico, L Di Bari, F Zinna - Chemistry–A European Journal, 2021 - Wiley Online Library
An increasing number of circularly polarized luminescence (CPL) molecular emitters has
been developed in recent years and many of them are intended for applications in which …

Circularly polarized luminescence of helicenes: A data‐informed insight

M Cei, L Di Bari, F Zinna - Chirality, 2023 - Wiley Online Library
Helicenes are an interesting scaffold for chiroptical properties and in particular circularly
polarized luminescence (CPL). In this short review, we collect the luminescence (glum) and …

Circularly polarized thermally activated delayed fluorescence emitters in through-space charge transfer on asymmetric spiro skeletons

SY Yang, YK Wang, CC Peng, ZG Wu… - Journal of the …, 2020 - ACS Publications
This work describes a strategy to produce circularly polarized thermally activated delayed
fluorescence (CP-TADF). A set of two structurally similar organic emitters SFST and SFOT …

Helical bilayer nanographenes: impact of the helicene length on the structural, electrochemical, photophysical, and chiroptical properties

P Izquierdo-García, JM Fernández-García… - Journal of the …, 2023 - ACS Publications
Helical bilayer nanographenes (HBNGs) are chiral π-extended aromatic compounds
consisting of two π–π stacked hexabenzocoronenes (HBCs) joined by a helicene, thus …

Achieving high circularly polarized luminescence with push–pull helicenic systems: from rationalized design to top-emission CP-OLED applications

K Dhbaibi, L Abella, S Meunier-Della-Gatta… - Chemical …, 2021 - pubs.rsc.org
While the development of chiral molecules displaying circularly polarized luminescence
(CPL) has received considerable attention, the corresponding CPL intensity, glum, hardly …

Naphthalimide-Annulated [n]Helicenes: Red Circularly Polarized Light Emitters

X Tian, K Shoyama, B Mahlmeister… - Journal of the …, 2023 - ACS Publications
Two [n] heliceno-bis (naphthalimides) 1 and 2 (n= 5 and 6, respectively) where two electron-
accepting naphthalimide moieties are attached at both ends of helicene core were …

Tuning transition electric and magnetic dipole moments:[7] helicenes showing intense circularly polarized luminescence

H Kubo, T Hirose, T Nakashima, T Kawai… - The Journal of …, 2021 - ACS Publications
Helicenes are promising candidates for chiral optoelectronic materials because of their
helically twisted π-conjugated system. However, the emission intensity of unsubstituted …

500‐fold amplification of small molecule circularly polarised luminescence through circularly polarised FRET

J Wade, JR Brandt, D Reger, F Zinna… - Angewandte Chemie …, 2021 - Wiley Online Library
Strongly dissymmetric circularly polarised (CP) luminescence from small organic molecules
could transform a range of technologies, such as display devices. However, highly …

Brightening up circularly polarized luminescence of monosubstituted polyacetylene by conformation control: Mechanism, switching, and sensing

S Wang, D Hu, X Guan, S Cai, G Shi… - Angewandte …, 2021 - Wiley Online Library
The first example of luminescent monosubstituted polyacetylenes (mono‐PAs) is presented,
based on a contracted cis‐cisoid polyene backbone. It has an excellent circularly polarized …

Circularly polarized luminescence in a Möbius helicene carbon nanohoop

J Malinčík, S Gaikwad, JP Mora‐Fuentes… - Angewandte Chemie …, 2022 - Wiley Online Library
We present the first helicene carbon nanoohop that integrates a [6] helicene into [7]
cycloparaphenylene. The [6] helicene endows the helicene carbon nanohoop with …