Article
Chemistry, Multidisciplinary
Jiaxuan Wang, Baoyan Liang, Jinbei Wei, Zhiqiang Li, Yincai Xu, Tong Yang, Chenglong Li, Yue Wang
Summary: By combining different hosts, phosphorescent sensitizer, and fluorescent emitter, highly efficient OLEDs can be constructed with an external quantum efficiency (EQE) of 15.7%. This new strategy provides a new direction for the application of pure organic RTP materials in OLEDs.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2021)
Article
Chemistry, Physical
Heyi Yang, Yunxiu Shen, Rui Zhang, Yeyong Wu, Weijie Chen, Fu Yang, Qinrong Cheng, Haiyang Chen, Xuemei Ou, Haidi Yang, Feng Gao, Yaowen Li, Yongfang Li
Summary: A study introduces a new HTL composition-conditioning agent (CCA) to improve the efficiency and stability of perovskite solar cells (pero-SCs) based on the doped Spiro-OMeTAD hole transport layer (HTL).
ADVANCED ENERGY MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Marta Sawicka, Henryk Turski, Kamil Sobczak, Anna Feduniewicz-Zmuda, Natalia Fiuczek, Oliwia Golyga, Marcin Siekacz, Grzegorz Muziol, Grzegorz Nowak, Julita Smalc-Koziorowska, Czeslaw Skierbiszewski
Summary: This study demonstrates the formation of nanostars in highly doped GaN:Si layers grown by plasma-assisted molecular beam epitaxy. The nanostars are 50-nm-wide platelets arranged in six-fold symmetry around the [0001] axis and exhibit different electrical properties from the surrounding layer. The enhanced growth rate along the a-direction <11(2)over bar0> is responsible for the formation of nanostars.
CRYSTAL GROWTH & DESIGN
(2023)
Article
Materials Science, Multidisciplinary
Xin Wang, Hua Li, Xiaofu Wu, Haiyang Shu, Hongkun Tian, Hui Tong, Lixiang Wang
Summary: By designing and synthesizing D-A-type emitters based on boron ketoiminate acceptors and DMAC donors, along with factors such as closely aligned energy levels and intramolecular hydrogen bonding, the transformation from a conventional fluorescent molecule to a highly efficient TADF molecule has been achieved successfully.
JOURNAL OF MATERIALS CHEMISTRY C
(2021)
Article
Physics, Applied
Li Yang, Jing Xu, Kang Yuan, Yang Yang, Jiaming Sun
Summary: Metal-oxide-semiconductor light-emitting devices based on Er-doped Ga2O3 nanofilms fabricated by atomic layer deposition exhibit intense 1.53 μm electroluminescence with low turn-on voltage, high injection current, improved optical power density, and good stability, demonstrating potential for various optoelectronic applications.
APPLIED PHYSICS LETTERS
(2021)
Article
Chemistry, Organic
Lei Xu, Mizhen Sun, Yannan Zhou, Jingli Lou, Mingliang Xie, Zipeng Li, Qikun Sun, Yuyu Pan, Shanfeng Xue, Wenjun Yang
Summary: The study focuses on achieving high efficiency and high color purity in non-doped deep-blue organic light-emitting diodes (OLEDs). A novel emitter, 3,6-di-tert-butyl-9-(4-(4,5-diphenyl-4H-1,2,4-triazol-3-yl)-[1,1'-biphenyl]-4-yl)-9H-carbazole (DTPCZTZ), was designed and synthesized. It exhibited a highly twisted molecular conformation and achieved a deep-blue emission. The non-doped device based on DTPCZTZ showed a high electroluminescence peak and maximum external quantum efficiency (EQE) of 7.6%. Moreover, DTPCZTZ also demonstrated potential application in phosphorescent OLEDs (PhOLEDs), leading to high-efficiency green and red PhOLEDs with promising performance.
ORGANIC CHEMISTRY FRONTIERS
(2023)
Article
Chemistry, Physical
Ahmad Shaur, Michel Drazkowski, Shaochen Zhu, Bernard Boukamp, Henny J. M. Bouwmeester
Summary: This study demonstrates stable high performance of ceria-based solid-oxide cells (SOCs) in CO2 electrolysis, paving the way for the development of nickel-free SOCs for direct CO2 electrolysis. The use of doped ceria as a fuel electrode shows excellent carbon deposition resistance and high electronic conductivity, leading to the best electrode performance reported to date among all-ceramic cathode materials.
JOURNAL OF MATERIALS CHEMISTRY A
(2023)
Article
Materials Science, Multidisciplinary
Zhipeng Zhao, Xiangdong Pei, Jiang Li, Yanchao Qin, Chuanqi Li, Jingyun Cheng, Yongzhu Fu, Xin Du, Dan Li
Summary: The feasibility of using CoS2 enfolded in carbon to achieve enhanced K+ storage was verified by density functional theory calculations. An interfacial engineering strategy was used to synthesize CoS2 nanoparticles enveloped in S-doped carbon. The resulting CoS2/SC composite exhibited excellent rate capability and long cycling lifespan.
ENERGY & ENVIRONMENTAL MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Jianhong Zhang, Qingyan Jia, Zilin Yue, Jingjing Huo, Jin Chai, Luofeng Yu, Renhao Nie, Han Shao, Yang Zhao, Peng Li, Wei Huang
Summary: Photodynamic therapy (PDT) has been widely recognized for its advantages in antibacterial applications. This study introduces a conceptually antibacterial strategy called electroluminodynamic therapy (ELDT), which uses an electroluminescent (EL) material and a photosensitizer to generate reactive oxygen species (ROS) under an electric field. The ELDT-based flexible therapeutic device proves to be effective in killing drug-resistant bacteria and promoting wound healing.
ADVANCED MATERIALS
(2022)
Article
Engineering, Environmental
Xikun Zou, Xiaojun Wang, Haoran Zhang, Yunyan Kang, Xian Yang, Xuejie Zhang, Maxim S. Molokeev, Bingfu Lei
Summary: A novel near-infrared phosphor, GLGA:Cr3+, was developed with excellent optical performance for regulating photomorphogenesis of plants. A phosphor-converted LED with high photoelectric conversion efficiency was fabricated, demonstrating enhanced biomass of pea seedlings under supplementary near-infrared light irradiation. This research opens up avenues for further investigation into Cr3+ -doped near-infrared phosphors for plant photomorphogenesis regulation.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Optics
Xiyue Zhang, Le Zhang, Chen Hou, Jian Kang, Yanbin Li, Bingheng Sun, Yang Li, Hao Chen
Summary: In this study, a series of LCMASG phosphor ceramics were fabricated and successfully achieved white light emission for high-power LEDs/LDs. The prepared phosphor ceramics exhibited excellent stability and high luminescent efficiency at high temperatures, along with red-shift and increased color index, making them suitable for lighting applications.
Article
Chemistry, Multidisciplinary
Qiannan Zhao, Ronghua Wang, Xiaolin Hu, Yumei Wang, Guanjie Lu, Zuguang Yang, Qiwen Liu, Xiukang Yang, Fusheng Pan, Chaohe Xu
Summary: An advanced composite separator is prepared by coating functional layers on a commercial separator, improving Li ion transport and deposition behavior, enabling dendrite-free Li deposition, and enhancing cycling performance and Coulombic efficiency in lithium metal batteries.
Article
Optics
Jingnan Zhang, Liangliang Zhang, Feng Liu, Hao Wu, Huajun Wu, Guohui Pan, Yongshi Luo, Zhendong Hao, Jiahua Zhang
Summary: This paper investigates a novel compact light source, broadband near-infrared phosphor converted LED (pc-LED), and addresses the challenge of lacking efficient phosphors. By introducing the concept of external quantum efficiency through Stokes shift, the efficiency of the light source is significantly improved.
LASER & PHOTONICS REVIEWS
(2023)
Article
Chemistry, Applied
Rongrong Xia, Zhen Zhang, Jianfeng Guo, Dehai Dou, Ke Wang, Jin Cao, Zixing Wang
Summary: In this study, the molecular design strategy of introducing methyl group to aryl quinoline Ir(III) complexes was explored to tune their optoelectronic properties. This resulted in the synthesis of methyl-substituted aryl quinoline Ir(III) complexes with red and deep-red phosphorescent emission, reaching high luminance and efficiency in deep-red PhOLEDs.
Article
Materials Science, Multidisciplinary
Somyeong Shin, Seonyeong Kim, Hyeon-Kyo Song, Hansung Kim, Taekwang Kim, Hyewon Du, Dain Kang, Jun Yeon Hwang, Yun Sung Woo, Sunae Seo
Summary: A highly stable MoO3-doped graphene obtained through self-passivation exhibited improved electrical properties after annealing at 400 degrees C under a hydrogen atmosphere. The MoOx obtained mainly consisted of crystalline MoO3 and coexisting Mo4O11 and MoO2, which allowed the graphene to maintain stable electrical performance even after exposure to air and chemical immersion. This simple method of obtaining highly stable MoOx-doped graphene is expected to facilitate the fabrication and enhance the performance reliability of various graphene-based electronic devices.
MATERIALS TODAY COMMUNICATIONS
(2022)
