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Synthesis of Pyrazolines Used as Blue Organic Electroluminescence Materials
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作者 Zhi Yun LU Wei Guo ZHU +1 位作者 Qing JIANG Ming Gui XIE (Department of Chemistry. Sichuan University, Chengdu 610064) 《Chinese Chemical Letters》 SCIE CAS CSCD 1999年第8期679-682,共4页
Three kinds of pyrazolines were designed and synthesized. Their structures were elucidated by IR, (HNMR)-H-1, MS, UV and elemental analysis. Their luminescent properties were determined, which indicated that they had ... Three kinds of pyrazolines were designed and synthesized. Their structures were elucidated by IR, (HNMR)-H-1, MS, UV and elemental analysis. Their luminescent properties were determined, which indicated that they had strong blue fluorescent properties. One of them was designed to have good film formation. All the three kinds of pyrazolines can be used as blue organic electroluminescence materials (OELMs). 展开更多
关键词 SYNTHESIS PYRAZOLINES FLUORESCENCE blue organic electroluminescence materials
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Synthesis and Color-tunable Fluorescence Properties of Schiff Base Zinc (II) Complexes Used as Electroluminescent Materials
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作者 Yi,YI XiaoQiangWEI MingGuiXIE ZhiYunLU 《Chinese Chemical Letters》 SCIE CAS CSCD 2004年第5期525-528,共4页
Four kinds of bis(N-alkylsalicylaldiminato) zinc(II) complexes were synthesized, and their molecular structures were determined by FT-IR and elemental analysis. Their photoluminescence properties were determined, whic... Four kinds of bis(N-alkylsalicylaldiminato) zinc(II) complexes were synthesized, and their molecular structures were determined by FT-IR and elemental analysis. Their photoluminescence properties were determined, which indicated that they could emit strong fluorescence varying from blue to yellow to reddish orange depending on their different molecular structures. They had good thermostability, solubility and film forming capability, and can be used as organic lectroluminescent materials. These new complexes may afford the feasibility to realize full-color display with materials based on similar molecular structures. 展开更多
关键词 Schiffbase FLUORESCENCE color-tunability organic electroluminescent material.
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Intrinsically Stretchable Electroluminescent Materials and Devices
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作者 Wei Liu Glingna Wang Sihong Wang 《CCS Chemistry》 CSCD 2024年第6期1360-1379,共20页
Intrinsically stretchable electroluminescent(EL)devices have emerged as pivotal components with transformative potential in various domains,including wearable technology,medical devices,human-machine interfaces,and co... Intrinsically stretchable electroluminescent(EL)devices have emerged as pivotal components with transformative potential in various domains,including wearable technology,medical devices,human-machine interfaces,and communications.This mini-review focuses on the recent progress in the development of intrinsically stretchable EL materials,highlighting milestones and breakthroughs in the field.The article discusses the basic principles,advantages,and disadvantages associated with various EL mechanisms and materials.Specific material design strategies,particularly focusing on light-emitting layers,are thoroughly examined,detailing their implementation in EL devices and the resultant EL performance.We also provide perspectives on the active challenges and future research needs for each type of EL material and devices for achieving stretchable designs,together with some insights into the future trajectory of stretchable EL technology. 展开更多
关键词 stretchable electronics electroluminescent materials electroluminescent devices lightemitting diodes thermally activated delayed fluorescence
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Synthesis of a New Family of Green Light Emitting Material Containing Both Hole and Electron Transporting Units
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作者 Hai Tao YU Wan Xuan ZHANG +2 位作者 Wu Xin ZHOU Teruo MASTUURA Ji Ben MENG 《Chinese Chemical Letters》 SCIE CAS CSCD 2002年第10期949-952,共4页
Two new molecules containing oxadiazoles and triphenylamine-stilbene moiety were synthesized. Their luminescent properties were determined, which indicated that they had strong green fluorescent properties. All the tw... Two new molecules containing oxadiazoles and triphenylamine-stilbene moiety were synthesized. Their luminescent properties were determined, which indicated that they had strong green fluorescent properties. All the two molecules can be used as green organic electroluminescence materials. 展开更多
关键词 Synthesis green organic electroluminescence materials FLUORESCENCE triphenylamine oxadiazole.
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Synthesis of a Novel Blue- light- emitting Polymer Material Bearing Coumarin Pendants
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作者 Zhi Yun LU Tong Suo YUAN +3 位作者 Yan Lai CHEN Xiao Qiang WEI Wei Guo ZHU Ming Gui XIE 《Chinese Chemical Letters》 SCIE CAS CSCD 2002年第7期674-677,共4页
A novel blue luminescent polymer bearing coumarin pendants was prepared. Its luminescent properties were determined indicating that it had strong blue fluorescent properties and good film formation ability. This nov... A novel blue luminescent polymer bearing coumarin pendants was prepared. Its luminescent properties were determined indicating that it had strong blue fluorescent properties and good film formation ability. This novel polymer can be used as a blue organic electroluminescent material (OELM) in organic electroluminescent devices. 展开更多
关键词 Synthesis COUMARIN fluorescence polymer blue organic electroluminescent material.
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Synthesis of Two Blue-light emitting Complexes with Schiff Base Calixarene as the Ligand
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作者 Xiao Qiang +3 位作者 WEI Ping ZOU 《Chinese Chemical Letters》 SCIE CAS CSCD 2003年第3期263-266,共4页
Two new blue luminescent zinc and beryllium complexes with Schiff base calixarene derivative as the ligand were prepared. Their luminescent properties were determined, which indicated that they had strong blue fluore... Two new blue luminescent zinc and beryllium complexes with Schiff base calixarene derivative as the ligand were prepared. Their luminescent properties were determined, which indicated that they had strong blue fluorescent properties. They also had good solubility and film formation. These new complexes can be used as blue organic electroluminescent materials (OELMs) in organic electroluminescent devices. 展开更多
关键词 Synthesis CALIXARENE Schiff base fluorescence organic electroluminescent material.
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A New Distyrylarylene Derivative Used as Blue Light Emitter in Organic Electroluminescent Device
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作者 郑新友 朱文清 +4 位作者 吴有智 张步新 蒋雪茵 张志林 许少鸿 《Journal of Shanghai University(English Edition)》 CAS 2002年第4期342-344,共3页
A new blue electroluminescent material, distyrylarylene(DSA) derivative, 4,4' bis[2,2 (1 naphthyl,phenyl)vinyl] 1,1' biphenyl(NPVBi) is designed and synthesized. The DSA derivative shows better thermal s... A new blue electroluminescent material, distyrylarylene(DSA) derivative, 4,4' bis[2,2 (1 naphthyl,phenyl)vinyl] 1,1' biphenyl(NPVBi) is designed and synthesized. The DSA derivative shows better thermal stability because of its high glass transition temperature. A blue organic light emitting diode(OLED) with the structure ITO/TPD/NPVBi/Alq/LiF/Al is studied. The electroluminescent(EL) spectrum of the OLED exhibits that light emission originates from NPVBi with a peak at 460 nm, its Commission Internationale de l'Eclairage(CIE) color coordinates are x=0.16, y=0.15, and showing independence of CIE color coordinates on current density. The new DSA derivative is expectable as a new candidate for blue light emitter in OLEDs. 展开更多
关键词 electroluminescence blue electroluminescent material distyrylarylene derivative.
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A Stable Blue Organic Electroluminescent Material
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作者 郑新友 吴有智 +4 位作者 朱文清 张步新 蒋雪茵 张志林 许少鸿 《Journal of Shanghai University(English Edition)》 CAS 2002年第3期244-247,共4页
In order to compare two kinds of blue electroluminescent materials, we have investigated two kinds of blue OLEDs with the similar structrue ITO/CuPc/NPB/JBEM: perylene/Alq/Mg:Ag [device(J)] and ITO/CuPc/NPB/DPVBi: per... In order to compare two kinds of blue electroluminescent materials, we have investigated two kinds of blue OLEDs with the similar structrue ITO/CuPc/NPB/JBEM: perylene/Alq/Mg:Ag [device(J)] and ITO/CuPc/NPB/DPVBi: perylene/Alq/Mg:Ag [device(D)]. The difference of luminance and efficiency was not obvious for the two devices. However, there was remarkable difference for their lifetime. The device(J) achieved longer half lifetime of 1035 h at initial luminance of 100 cd/m 2, and that of device(D) was only 255 h. According to their energy level diagrams , the difference of their stability may originate from different host materials in the two devices. It may be attributed to the better thermal stability of JBEM molecules than that of DPVBi. It is shown that JBEM may be a promising blue organic electroluminescent material with great stability. 展开更多
关键词 blue electroluminescent material stability.
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