Rong-Huei Yi

Shared posts

22 Aug 18:52

Fine-tuned asymmetric blue multiple resonance thermally activated delayed fluorescence emitters with high efficiency and narrow emission band

J. Mater. Chem. C, 2022, 10,12300-12306
DOI: 10.1039/D2TC02283D, Paper
Jinho Park, Junyoung Moon, Junseop Lim, Jeongkyu Woo, Seung Soo Yoon, Jun Yeob Lee
Asymmetric blue multiple resonance-type thermally activated delayed fluorescence (TADF) materials composed of diphenylamine combined with carbazole and acridine units were synthesized and evaluated to fine-tune the electronic and photophysical properties.
The content of this RSS Feed (c) The Royal Society of Chemistry
22 Aug 18:51

Decisive role of heavy-atom orientation for efficient enhancement of spin–orbit coupling in organic thermally activated delayed fluorescence emitters

J. Mater. Chem. C, 2022, 10,11719-11729
DOI: 10.1039/D2TC01729F, Paper
Open Access Open Access
Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Michał Mońka, Daria Grzywacz, Estera Hoffman, Vladyslav Ievtukhov, Karol Kozakiewicz, Radoslaw Rogowski, Aleksander Kubicki, Beata Liberek, Piotr Bojarski, Illia E. Serdiuk
A heavy-atom field effect (HAFE) is discovered in red TADF emitters bearing Br atoms in donor fragment. Depending on the position of heavy atoms, HAFE can either accelerate or inhibit reverse intersystem crossing.
The content of this RSS Feed (c) The Royal Society of Chemistry
22 Aug 18:50

Realization of switching between TADF and HLCT emissions through modulation of the intramolecular charge transfer character

J. Mater. Chem. C, 2022, 10,13124-13136
DOI: 10.1039/D2TC02896D, Paper
Jiaqi Li, Mingfan Zhang, Tingyu Li, Dongxue Guo, Tian Tian, Houyu Zhang
Switching between HLCT and TADF emissions can be readily realized by choosing suitable acceptors and changing the donors in D–A type molecules.
The content of this RSS Feed (c) The Royal Society of Chemistry
22 Aug 18:49

Acridone and quinacridone derivatives with carbazole or phenoxazine substituents: synthesis, electrochemistry, photophysics and application as TADF electroluminophores

J. Mater. Chem. C, 2022, 10,12377-12391
DOI: 10.1039/D2TC02270B, Paper
Irena Kulszewicz-Bajer, Matas Guzauskas, Małgorzata Makowska-Janusik, Małgorzata Zagórska, Malek Mahmoudi, Juozas V. Grazulevicius, Adam Proń, Dmytro Volyniuk
Six acridone (quinacridone) derivatives containing either carbazole or phenoxazine substituents were synthesized aiming to elucidate the effect of the donor and acceptor linking pattern on their photophysical and electrochemical properties.
The content of this RSS Feed (c) The Royal Society of Chemistry
22 Aug 18:48

Multiple resonance thermally activated delayed fluorescence enhanced by halogen atoms

J. Mater. Chem. C, 2022, 10,11855-11861
DOI: 10.1039/D2TC02909J, Communication
Youngnam Lee, Jong-In Hong
Halogenated multiple resonance thermally activated delayed fluorescence (MR-TADF) emitters, Cl-MR and Br-MR, were developed to improve the reverse intersystem crossing rate constant of MR-TADF emitters.
The content of this RSS Feed (c) The Royal Society of Chemistry
22 Aug 18:47

Rational molecular design of phenanthroimidazole-based fluorescent materials towards high-efficiency non-doped deep blue OLEDs

J. Mater. Chem. C, 2022, 10,14186-14193
DOI: 10.1039/D2TC02329F, Paper
Chunya Du, Tong Lu, Zhuang Cheng, Yulei Chang, Hui Liu, Jun Wang, Liang Wan, Ying Lv, Ping Lu
The non-doped device of novel deep-blue emission material PPI-3-SBF with weak intramolecular charge transfer characteristics achieves a maximum EQE of 8.41% with CIEy = 0.07.
The content of this RSS Feed (c) The Royal Society of Chemistry
22 Aug 18:12

Molecular design of blue thermally activated delayed fluorescent emitters for high efficiency solution processable OLED via an intramolecular locking strategy

Publication date: 15 December 2022

Source: Chemical Engineering Journal, Volume 450, Part 4

Author(s): Yuanyuan Zhu, Songkun Zeng, Wenqi Gong, Xinrui Chen, Chen Xiao, Huili Ma, Weiguo Zhu, Jun Yeob Lee, Yafei Wang

22 Aug 18:09

AIE-active deep red/near-infrared electroluminescent emitters with fine regulation of excited state

Publication date: 1 January 2023

Source: Chemical Engineering Journal, Volume 451, Part 1

Author(s): Qing Wan, Wenxin Dai, Yili Xie, Qinqin Ke, Chunhui Zhao, Bing Zhang, Zebing Zeng, Zhiming Wang, Ben Zhong Tang

22 Aug 18:09

Modular design for constructing narrowband deep-blue multiresonant thermally activated delayed fluorescent emitters for efficient organic light emitting diodes

Publication date: 1 January 2023

Source: Chemical Engineering Journal, Volume 451, Part 1

Author(s): Kenkera Rayappa Naveen, Hyuna Lee, Lee Hyun Seung, Young Hun Jung, C.P. Keshavananda Prabhu, Subramanian Muruganantham, Jang Hyuk Kwon

22 Aug 18:06

Colorless Electrochromic/Electrofluorochromic Dual-Functional Triphenylamine-Based Polyimides: Effect of a Tetraphenylethylene-Based π-Bridge on optoelectronic properties

Publication date: 1 January 2023

Source: Chemical Engineering Journal, Volume 451, Part 1

Author(s): Tiechen Yu, Patrick Theato, Hongyan Yao, Huiling Liu, Yizeng Di, Zhonghui Sun, Shaowei Guan

22 Aug 18:05

Boron, sulfur-doped polycyclic aromatic hydrocarbon emitters with multiple-resonance-dominated lowest excited states for efficient narrowband deep-blue emission

Publication date: 1 January 2023

Source: Chemical Engineering Journal, Volume 451, Part 1

Author(s): Yufei Chang, Yuliang Wu, Xingdong Wang, Weili Li, Qingqing Yang, Shumeng Wang, Shiyang Shao, Lixiang Wang

22 Aug 14:26

Controlling the Emissive, Chiroptical, and Electrochemical Properties of Double [7] Helicenes through Embedded Aromatic Rings

by Juan Hong, Xuxian Xiao, Haoliang Liu, Evgenia Dmitrieva, Alexey A. Popov, Zidong Yu, Ming-De Li, Tatsuhiko Ohto, Jun Liu, Akimitsu Narita, Pengcai Liu, Hirokazu Tada, Xiao-Yu Cao, Xiao-Ye Wang, Yingping Zou, Klaus Müllen, Yunbin Hu
Controlling the Emissive, Chiroptical, and Electrochemical Properties of Double [7] Helicenes through Embedded Aromatic Rings

Controlling the photophysics of double helicenes is facilely achieved by variation of the terminal aromatic rings. Compared to the thiadiazole-fused and all-carbon analogs, triazole-fused double helicene shows significantly enhanced emission with near-unity quantum yield, and high circularly polarized luminescence brightness of up to 30.1 M−1 cm−1, as well as excellent ambipolar redox behavior.


Abstract

We present here the synthesis and in-depth physicochemical characterization of a double hetero[7]helicene fused with four triazole rings at both helical ends. The comparison of this triazole-fused double helicene with the previously reported all-carbon and thiadiazole-fused analogs revealed the huge impact of the embedded aromatic rings on the photophysical features. The small structural variation of the terminal rings from thiadiazole to triazole caused a dramatic change of the photoluminescence quantum yields (PLQYs) from <1 % to 96 %, while the replacement of the terminal benzene rings with triazole rings induced a tenfold enhancement of the circularly polarized luminescence dissymmetry factor. These observations were well corroborated with transient absorption analysis and/or theoretic calculations. In addition, the triazole-fused double helicene exhibited ambipolar redox behavior, enabling the generation of radical cation and anion species by electrochemical and chemical methods and showing its potential for spin-related applications.

22 Aug 14:17

[ASAP] Multicolor-Luminescence Including White Light by Photomodulation of Supramolecular Assemblies in Aqueous Media

by Shubhra Kanti Bhaumik and Supratim Banerjee

TOC Graphic

ACS Applied Materials & Interfaces
DOI: 10.1021/acsami.2c07836
22 Aug 03:01

Aromatic heterobicycle-fused porphyrins: impact on aromaticity and excited state electron transfer leading to long-lived charge separation

Chem. Sci., 2022, 13,9880-9890
DOI: 10.1039/D2SC03238D, Edge Article
Open Access Open Access
Austen Moss, Youngwoo Jang, Jacob Arvidson, Vladimir N. Nesterov, Francis D'Souza, Hong Wang
π-Extended porphyrins fused with benzo[4,5]imidazo[2,1-a]isoindole, showing unique electronic and photophysical properties, were newly synthesized. A long-lived charge-separated state was revealed upon coordination of C60 to zinc porphyrin AMIm-2.
The content of this RSS Feed (c) The Royal Society of Chemistry
09 Aug 16:02

Molecularly engineered AIEgens with enhanced quantum and singlet-oxygen yield for mitochondria-targeted imaging and photodynamic therapy

Chem. Sci., 2022, 13,9373-9380
DOI: 10.1039/D2SC00889K, Edge Article
Open Access Open Access
Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Fang-Zhou Xu, Ling Zhu, Hai-Hao Han, Jian-Wei Zou, Yi Zang, Jia Li, Tony D. James, Xiao-Peng He, Cheng-Yun Wang
Luminogens characteristic of aggregation-induced emission (AIEgens) have been engineered for the development of imaging-guided photodynamic therapeutic (PDT) agents.
The content of this RSS Feed (c) The Royal Society of Chemistry
09 Aug 15:41

Large Stokes shift benzothiazolium cyanine dyes with improved intramolecular charge transfer (ICT) for cell imaging applications

Chem. Commun., 2022, 58,9855-9869
DOI: 10.1039/D2CC03880C, Feature Article
Chathura S. Abeywickrama
Improved Stokes' Shift by Efficient Intramolecular Charge Transfer (ICT).
The content of this RSS Feed (c) The Royal Society of Chemistry
09 Aug 15:41

Micropatterning of electrochemiluminescent polymers based on multipolar Ru-complex two-photon initiators

Chem. Commun., 2022, 58,9678-9681
DOI: 10.1039/D2CC04159F, Communication
Rana Mhanna, Nicolas Durand, Paul Savel, Huriye Akdas-Kiliç, Stephania Abdallah, Davy-Louis Versace, Olivier Soppera, Jean-Luc Fillaut, Neso Sojic, Jean-Pierre Malval
A highly two-photon active multipolar Ru-complex is used as a reactive photoinitiator for the direct integration and microstructuration of ECL-active materials on electroactive substrates.
The content of this RSS Feed (c) The Royal Society of Chemistry
09 Aug 15:41

Two-dimensional confinement for generating thin single crystals for applications in time-resolved electron diffraction and spectroscopy: an intramolecular proton transfer study

Chem. Commun., 2022, 58,9774-9777
DOI: 10.1039/D2CC02468C, Communication
Hyein Hwang, Vandana Tiwari, Hong-Guang Duan, Simon F. Bittmann, Friedjof Tellkamp, Ajay Jha, R. J. Dwayne Miller
Our work provides a general workflow to make thin organic crystals with large enough area to measure atomically resolved structural dynamics using transmission-based optical and diffraction measurements.
The content of this RSS Feed (c) The Royal Society of Chemistry
09 Aug 15:40

Na superionic conductor-type LiZr2(PO4)3 as a promising solid electrolyte for use in all-solid-state Li metal batteries

Chem. Commun., 2022, 58,9328-9340
DOI: 10.1039/D2CC01526A, Feature Article
Open Access Open Access
Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Masanobu Nakayama, Koki Nakano, Maho Harada, Naoto Tanibata, Hayami Takeda, Yusuke Noda, Ryo Kobayashi, Masayuki Karasuyama, Ichiro Takeuchi, Masashi Kotobuki
Experimental, computational, and informatics approaches are applied to investigate NASICON-type LiZr2(PO4)3 as promising solid electrolytes for all solid-state Li metal batteries.
The content of this RSS Feed (c) The Royal Society of Chemistry
09 Aug 15:40

Light-induced Li extraction from LiMn2O4/TiO2 in a water-in-salt electrolyte for photo-rechargeable batteries

Chem. Commun., 2022, 58,9634-9637
DOI: 10.1039/D2CC03362C, Communication
Kohei Shimokawa, Shogo Matsubara, Akihiro Okamoto, Tetsu Ichitsubo
Photocharging of spinel LiMn2O4 has been demonstrated by utilizing a water-in-salt electrolyte with an electron acceptor and TiO2 nanoparticles, which paves the way for developing high-potential cathode materials for photo-rechargeable batteries.
The content of this RSS Feed (c) The Royal Society of Chemistry
31 Jul 13:38

[ASAP] Customized Orthogonal Solvent System with Various Hole-Transporting Polymers for Highly Reproducible Solution-Processable Organic Light-Emitting Diodes

by Hyeondoo Je, Seunguk Cho, Na Yeon Kwon, Dong Won Lee, Min Ju Cho, and Dong Hoon Choi

TOC Graphic

ACS Applied Materials & Interfaces
DOI: 10.1021/acsami.2c07659
31 Jul 13:38

[ASAP] Improvement in Cycle Life of Organic Lithium-Ion Batteries by In-Cell Polymerization of Tetrathiafulvalene-Based Electrode Materials

by Aya Yoshimura, Keisuke Hemmi, Hayato Moriwaki, Ryo Sakakibara, Hitoshi Kimura, Yuto Aso, Naoya Kinoshita, Rie Suizu, Takashi Shirahata, Masaru Yao, Hideki Yorimitsu, Kunio Awaga, and Yohji Misaki

TOC Graphic

ACS Applied Materials & Interfaces
DOI: 10.1021/acsami.2c09302
31 Jul 13:38

[ASAP] A Small-Molecule Based Organic Nanoparticle for Photothermal Therapy and Near-Infrared-IIb Imaging

by Hongyue Lou, Aiyan Ji, Chunrong Qu, Hongguang Liu, Lei Jiang, Hao Chen, and Zhen Cheng

TOC Graphic

ACS Applied Materials & Interfaces
DOI: 10.1021/acsami.2c11706
31 Jul 13:34

[ASAP] Perylene Diimide-Fused Dithiophenepyrroles with Different End Groups as Acceptors for Organic Photovoltaics

by Yu-Che Lin, Nian-Zu She, Chung-Hao Chen, Atsushi Yabushita, Heng Lin, Meng-Hua Li, Bin Chang, Ting-Fang Hsueh, Bing-Shiun Tsai, Po-Tuan Chen, Yang Yang, and Kung-Hwa Wei

TOC Graphic

ACS Applied Materials & Interfaces
DOI: 10.1021/acsami.2c06135
31 Jul 13:32

Flavanthrene derivatives as photostable and efficient singlet exciton fission materials

Chem. Sci., 2022, 13,9914-9920
DOI: 10.1039/D2SC00263A, Edge Article
Open Access Open Access
Xian Fei, San Zhang, Dong Zhai, Zhiwei Wang, Jin-Liang Lin, Qi Xiao, Chun-Lin Sun, Weiqiao Deng, Chunfeng Zhang, Wenping Hu, Hao-Li Zhang
Flavanthrene derivatives can be designed into highly efficient and photostable singlet fission materials, owning to the N-doped two-dimensional angular fused acene framework, which is promising for photo energy conversion applications.
The content of this RSS Feed (c) The Royal Society of Chemistry
31 Jul 13:31

A stable and high-energy aqueous aluminum based battery

Chem. Sci., 2022, 13,10066-10073
DOI: 10.1039/D2SC03455G, Edge Article
Open Access Open Access
Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Renqian Tao, Caitian Gao, Erqing Xie, Bin Wang, Bingan Lu
A hybrid-ion aqueous aluminium ion battery (HIAAIB) with nickel hexacyanoferrate as the cathode, Al as the anode and a polymerized Al–Fe hybrid electrolyte is reported. During discharge, an Fe–Al alloy forms at the anode, improving performance by relieving corrosion.
The content of this RSS Feed (c) The Royal Society of Chemistry
24 Jul 09:03

[ASAP] Reorganization Energies for Interfacial Electron Transfer across Phenylene Ethynylene Rigid-Rod Bridges

by Marzieh Heidari, Quentin Loague, Rachel E. Bangle, Elena Galoppini, and Gerald J. Meyer

TOC Graphic

ACS Applied Materials & Interfaces
DOI: 10.1021/acsami.2c07151
24 Jul 09:02

[ASAP] Stable Yellow Light-Emitting Diodes Based on Quasi-Two-Dimensional Perovskites

by Dan Ye, Zhijian Li, Wenjing Chen, Kester O. Ighodalo, Peng Xiao, Tao Chen, and Zhengguo Xiao

TOC Graphic

ACS Applied Materials & Interfaces
DOI: 10.1021/acsami.2c07314
24 Jul 09:01

[ASAP] Highly Efficient Deep-Blue Phosphorescent OLEDs Based on a Trimethylsilyl-Substituted Tetradentate Pt(II) Complex

by Hea Jung Park, Jee-Hun Jang, Jeong-Hwan Lee, and Do-Hoon Hwang

TOC Graphic

ACS Applied Materials & Interfaces
DOI: 10.1021/acsami.2c06891
24 Jul 08:50

Green-/NIR-light-controlled rapid photochromism featuring reversible thermally activated delayed fluorescence and photoelectronic switching

Chem. Sci., 2022, 13,9381-9386
DOI: 10.1039/D2SC02662G, Edge Article
Open Access Open Access
Ziyong Li, Ji-Rui Zhang, Xu-Ke Tian, Shuren Yang, Si Chen, Hui Zhou, Xiao-Gang Yang
Controlled by the alternating irradiation of green and NIR light, difluoroboron modifed dithienylethene shows rapid photochromism and photoelectronic switching.
The content of this RSS Feed (c) The Royal Society of Chemistry