Home > information > News > 2015 > 【Paper】 A paper written by Yuki SEINO, a 3rd-year doctoral student and Susumu INOMATA, a 2nd-year master course student (Kido/Sasabe Lab), has been accepted by Advanced Materials (IF: 17.49).

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Dec. 14, 2015 【Paper】 A paper written by Yuki SEINO, a 3rd-year doctoral student and Susumu INOMATA, a 2nd-year master course student (Kido/Sasabe Lab), has been accepted by Advanced Materials (IF: 17.49).

 

A paper written by Yuki SEINO, a 3rd-year doctoral student and Susumu INOMATA, a 2nd-year master course student (Kido/Sasabe Lab), has been accepted by Advanced Materials (IF: 17.49).

 

High performance Green Organic LEDs Using Thermally Activated Delayed Fluorescence with Power Efficiency of 100 lm W–1
By Yuki Seino, Susumu Inomata, Hisahiro Sasabe*, Yong-Jin Pu, and Junji Kido*, Advanced Materials, in press.
Abstract: A green TADF OLED with an extremely high power efficiency of over 100 lm W–1 is realized through a barrier free hole-electron recombination pathway.  An optimized OLED showed a maximum external efficiency of 25.7%, a low turn-on voltage of 2.33 V, and a maximum power efficiency of 107 lm W–1. This device showed 79.4 lm W–1 at 100 cd m–2, which is 1.6-times higher than that of state-of-the-art green TADF OLEDs.

 

Click here for more >> http://oled.yz.yamagata-u.ac.jp/view.cgi?p=219
 

2015 List of News

Dec. 24, 2015
 Paper 
A series of fluorinated phenylpyridine-based electron- transporters for blue phosphorescent OLEDs T. Kamata, H. Sasabe, Y. Watanabe, D. Yokoyama, H. Katagiri, J. Kido, J. Mater. Chem. C 2015, accepted.
Dec. 24, 2015
 Paper 
Novel Blue Exciplex Comprising Acridine and Sulfone Derivatives as a Host Material for High-Efficiency Blue Phosphorescent OLEDs By Yuki Seino, Hisahiro Sasabe,* Masato Kimura, Susumu Inomata, Kohei Nakao and Junji Kido*, Chemistry Letters, 2016, accepted.
Dec. 24, 2015
 Paper 
Unsymmetrical squaraines with new linked manner for high-performance solution-processed small-molecule organic photovoltaic cells By L. Yang, D. Yang, Y. Chen, Q. Luo, M. Zhang, Y. Huang, Z. Lu, H. Sasabe, J. Kido, RSC Advances 2016, in press.
Dec. 22, 2015
【Exibition】(1/27-29) Tokio Lab will set up a booth in Printable Eletronics 2016.
Dec. 14, 2015
 Paper 
A paper written by Yuki SEINO, a 3rd-year doctoral student and Susumu INOMATA, a 2nd-year master course student (Kido/Sasabe Lab), has been accepted by Advanced Materials (IF: 17.49).
Dec. 11, 2015
 Paper 
Kazuo UDAGAWA’s paper ranked 2nd in the monthly download number of December 2015, was introduced on Materials Views of Wiley.
Dec. 10, 2015
 Paper 
A paper written by Yuichiro WATANABE, a 3rd-year iFront Program student (Kido/Sasabe Lab), has been accepted by J. Mater. Chem. C (IF: 4.696) of Royal Society of Chemistry. This is a joint research with Asso. Prof. Daisuke YOKOYAMA and Asso. Prof. Hiroshi KATAGIRI.
Dec. 09, 2015
 Award 
Assis Prof Tsuyoshi MINAMI won ADEKA Award in Synthetic organic Chemistry, Japan for his research proposal.
Dec. 09, 2015
 Paper 
Assis Prof Tsuyoshi MINAMI’s paper “A mercury(II) ion sensor device based on an organic field effect transistor with an extended-gate modified by dipicolylamine” has been published on the Back Cover of magazine “Chemical Communications”.
Dec. 02, 2015
【COI Seeds-Needs Workshop】 COI Seeds-Needs follow-up workshop has been held at Campus Innovation Center (Minato-ku, Tokyo).
Nov. 20, 2015
【Research Presentation】 3 topics (2 about 3D printer, 1 about biosensor) from Tokito Lab have been presented in the 12th JST/CIC New Technology Presentation Meetings held in Campus Innovation Center, Tokyo (Tamachi) and had high reputation.
Nov. 16, 2015
 Paper 
A paper “Enhanced memory characteristics in organic ferroelectric field-effect transistors through thermal annealing” written by Mr. Ryo SUGANO, 1st year doctoral student of Tokito Lab, has been published on AIP Advances.
Nov. 16, 2015
【Program Evaluation】 Prof. Masaru TANAKA’s "Forefront・Next Generation Research and Development Assistance Program" got the highest ex-post evaluation.
Nov. 12, 2015
 Web Release 
An article related to CAVE System “HoloStage” introduced in Frontier Center for Organic Materials was released on web site of Christie Digital Systems, Inc.
Nov. 05, 2015
 Paper 
A paper written by Mr. Udagawa, 3rd year doctoral student of Kido/Sasabe Lab, has been published on Advanced Optical Materials.
Nov. 04, 2015
 Award 
Ryutaro KOMATSU, a 3rd-year iFront Program student (Kido/Sasabe Lab), won Gold award for poster and an extra prize also in 7th Asian Conference on Organic Electronics (A-COE) held in Beijin University.
Nov. 02, 2015
 News Release 
(Nikkei Technology Online) A new institution of Yamagata University "Smart Future House" was opened!
Oct. 28, 2015
 Award 
Assistant Prof. Minami, D2 student Takeda, Assistant Prof. Fukuda (moved to Riken this September) won Outstanding Paper Award at ICFPE2015.
Oct. 26, 2015
 News Release 
(Nikkei) A news related to Tokito lab about the printing on a curved surface or an uneven surface is released.
Oct. 23, 2015
 Lecture 
Prof. Shizuo TOKITO had an invited lecture at The 6th ICFPE, Taiwan.
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