새로운 세 가지 indenofluorenedione derivatives는 electron transporting layer (ETL)물질로 사용되었다. 세 물질은 ideno[1,2-b]fluorene-6,12-dione (IF-dione), 2,8-Difluoro-indeno[1,2-b]fluorene-6,12-dione (Mono-F-IF-dione) , and 1,2,3,7,8,9-Hexafluoro-indeno[1,2-b]fluorene-6,12-dione (Tri-F-IF- dione)이다. 세가지 물질의 THF 용액상태에서 UV-visible 흡수는 다른 흡수 maximum 값을 얻었다: 292, 318 and 334nm (IF-dione), 289, 314 and 329 nm (Mono-F-IF-dione), 285, 319 and 334nm (Tri-F-IF-dione). 세 가지 물질의 device 구조는 다음과 같다: ...
새로운 세 가지 indenofluorenedione derivatives는 electron transporting layer (ETL)물질로 사용되었다. 세 물질은 ideno[1,2-b]fluorene-6,12-dione (IF-dione), 2,8-Difluoro-indeno[1,2-b]fluorene-6,12-dione (Mono-F-IF-dione) , and 1,2,3,7,8,9-Hexafluoro-indeno[1,2-b]fluorene-6,12-dione (Tri-F-IF- dione)이다. 세가지 물질의 THF 용액상태에서 UV-visible 흡수는 다른 흡수 maximum 값을 얻었다: 292, 318 and 334nm (IF-dione), 289, 314 and 329 nm (Mono-F-IF-dione), 285, 319 and 334nm (Tri-F-IF-dione). 세 가지 물질의 device 구조는 다음과 같다: ITO / 2-TNATA(60nm) / NPB(15nm) / Alq3(30nm) / synthesized compounds(30nm) / LiF(1nm) / Al(200nm). 세 가지 device의 I-V특성은 20mA/cm2에서 7.06V (IF-dione), 6.42V (MonoF-IF-dione), 5.36V(TriF-IF-dione), 를 보였다. 9,10-bis(3’’,5’’-diphenylbiphenyl-4’-yl)anthracene [CB203]과 4-(10-(3’,5’- diphenylbiphenyl-4-yl)anthracen-9-yl)-N,N-diphenylaniline [CB206]는 기존에 합성되었던 청색 발광 물질이다. 여기에 t-butyl 그룹이 치환된 2-tert-butyl-9,10-bis(3’’,5’’-diphenylbiphenyl-4’-yl)anthracene [t-CB203]과 4-(3-tert-butyl-10-(3’,5’-diphenylbiphenyl-4-yl)anthracen-9-yl)-N,N-diphenylaniline [t-CB206]을 합성하였다. t-CB203과 t-CB206은 용액공정으로 소자를 제작하였고 optical, electrochemical, electroluminescence같은 물리적 물성도 측정하였다. 네 가지 물질을 emitting layer (EML)로 OLED 소자를 다음과 같은 구조로 제작하였다: ITO / PEDOT (40nm) / Synthesized materials (60 nm) / TPBi(20nm)/LiF(1nm)/Al(200nm). 네 가지 device의 luminance efficiency는 30mA/cm2에서 CB203, CB206, t-CB203, t-CB206일 때 0.49cd/A, 0.99cd/A, 0.56cd/A, 1.21cd/A으로 측정되었다. 게다가 external quantum efficiencies(EQE) 값은 1.24%, 0.75%, 1.35%, 1.44%로 측정되었다. 결과를 보았을 때, 용액공정으로 OLED소자를 제작하였을 때 t-butyl group이 치환된 청색발광재료는 그렇지 않았을 때보다 더 높은 효율을 보였다. co-host 개념을 이용하여 백색용 용액 공정 소자를 제작하였다. 용액공정을 통해 높은 형광효율을 가지는 녹색발광 물질을 사용하여 백색용 용액 공정 소자를 제작하였다. zinc (Zn), copper (Cu), and cobalt (Co)를 기본 metal로 알킬기가 붙은 새로운 phthalocyanine 유도체를 합성하였다. 전지화학적 그리고 광학적 특성은 cyclic voltammetry, UV-Visible (UV-Vis) spectroscopy와 photoluminescence(PL) spectroscopy를 사용하여 Metal phthalocyanine (MPc) complex의 metal의 변화에 따른 특성 변화를 보았다. UV-Vis data에서 2H, Co, Cu 그리고 Zn complexes의 maximum 값은 각각 708 nm, 677 nm, 686 nm, 684 nm로 측정되었다.
새로운 세 가지 indenofluorenedione derivatives는 electron transporting layer (ETL)물질로 사용되었다. 세 물질은 ideno[1,2-b]fluorene-6,12-dione (IF-dione), 2,8-Difluoro-indeno[1,2-b]fluorene-6,12-dione (Mono-F-IF-dione) , and 1,2,3,7,8,9-Hexafluoro-indeno[1,2-b]fluorene-6,12-dione (Tri-F-IF- dione)이다. 세가지 물질의 THF 용액상태에서 UV-visible 흡수는 다른 흡수 maximum 값을 얻었다: 292, 318 and 334nm (IF-dione), 289, 314 and 329 nm (Mono-F-IF-dione), 285, 319 and 334nm (Tri-F-IF-dione). 세 가지 물질의 device 구조는 다음과 같다: ITO / 2-TNATA(60nm) / NPB(15nm) / Alq3(30nm) / synthesized compounds(30nm) / LiF(1nm) / Al(200nm). 세 가지 device의 I-V특성은 20mA/cm2에서 7.06V (IF-dione), 6.42V (MonoF-IF-dione), 5.36V(TriF-IF-dione), 를 보였다. 9,10-bis(3’’,5’’-diphenylbiphenyl-4’-yl)anthracene [CB203]과 4-(10-(3’,5’- diphenylbiphenyl-4-yl)anthracen-9-yl)-N,N-diphenylaniline [CB206]는 기존에 합성되었던 청색 발광 물질이다. 여기에 t-butyl 그룹이 치환된 2-tert-butyl-9,10-bis(3’’,5’’-diphenylbiphenyl-4’-yl)anthracene [t-CB203]과 4-(3-tert-butyl-10-(3’,5’-diphenylbiphenyl-4-yl)anthracen-9-yl)-N,N-diphenylaniline [t-CB206]을 합성하였다. t-CB203과 t-CB206은 용액공정으로 소자를 제작하였고 optical, electrochemical, electroluminescence같은 물리적 물성도 측정하였다. 네 가지 물질을 emitting layer (EML)로 OLED 소자를 다음과 같은 구조로 제작하였다: ITO / PEDOT (40nm) / Synthesized materials (60 nm) / TPBi(20nm)/LiF(1nm)/Al(200nm). 네 가지 device의 luminance efficiency는 30mA/cm2에서 CB203, CB206, t-CB203, t-CB206일 때 0.49cd/A, 0.99cd/A, 0.56cd/A, 1.21cd/A으로 측정되었다. 게다가 external quantum efficiencies(EQE) 값은 1.24%, 0.75%, 1.35%, 1.44%로 측정되었다. 결과를 보았을 때, 용액공정으로 OLED소자를 제작하였을 때 t-butyl group이 치환된 청색발광재료는 그렇지 않았을 때보다 더 높은 효율을 보였다. co-host 개념을 이용하여 백색용 용액 공정 소자를 제작하였다. 용액공정을 통해 높은 형광효율을 가지는 녹색발광 물질을 사용하여 백색용 용액 공정 소자를 제작하였다. zinc (Zn), copper (Cu), and cobalt (Co)를 기본 metal로 알킬기가 붙은 새로운 phthalocyanine 유도체를 합성하였다. 전지화학적 그리고 광학적 특성은 cyclic voltammetry, UV-Visible (UV-Vis) spectroscopy와 photoluminescence(PL) spectroscopy를 사용하여 Metal phthalocyanine (MPc) complex의 metal의 변화에 따른 특성 변화를 보았다. UV-Vis data에서 2H, Co, Cu 그리고 Zn complexes의 maximum 값은 각각 708 nm, 677 nm, 686 nm, 684 nm로 측정되었다.
New three indenofluorenedione derivatives were synthesized and proposed for electron transporting layer (ETL). Three compounds are indeno[1,2-b]fluorene-6,12-dione (IF-dione), 2,8-Difluoro-indeno[1,2-b] fluorene-6,12-dione (Mono-F-IF-dione), and 1,2,3,7,8,9-Hexafluoro-indeno [1,2-b]fluorene-6,12-dio...
New three indenofluorenedione derivatives were synthesized and proposed for electron transporting layer (ETL). Three compounds are indeno[1,2-b]fluorene-6,12-dione (IF-dione), 2,8-Difluoro-indeno[1,2-b] fluorene-6,12-dione (Mono-F-IF-dione), and 1,2,3,7,8,9-Hexafluoro-indeno [1,2-b]fluorene-6,12-dione (Tri-F-IF-dione). UV-visible (UV-Vis.) absorption of three compounds in THF solution state showed different absorption maximum values as follows: 292, 318 and 334nm (IF-dione), 289, 314 and 329 nm (Mono-F-IF-dione), 285, 319 and 334nm (Tri-F-IF-dione). Three compounds were inserted between emitting layer (EML) and cathode electrode as an ETL in OLED device: ITO / 2-TNATA(60nm) / NPB(15nm) / Alq3(30nm) / synthesized compounds(30nm) / LiF(1nm) / Al(200nm). I-V characteristics of three devices were investigated at 20mA/cm2, operating voltages of three compounds were 7.06V (IF-dione), 6.42V (MonoF-IF-dione), 5.36V (TriF-IF-dione), respectively. 9,10-bis(3’’,5’’-diphenylbiphenyl-4’-yl)anthracene [CB203] and 4-(10-(3’,5’- diphenylbiphenyl-4-yl)anthracen-9-yl)-N,N-diphenylaniline [CB206] had synthesized. New anthracene derivatives of 2-tert-butyl-9,10-bis(3’’,5’’- diphenylbiphenyl-4’-yl)anthracene [t-CB203] and 4-(3-tert-butyl-10-(3’,5’- diphenylbiphenyl-4-yl)anthracen-9-yl)-N,N-diphenylaniline [t-CB206] by using substituted t-butyl group were synthesized. New anthracene derivatives containing t-butyl group were fabricated by solution process and its physical properties such as optical, electrochemical, and electroluminescent properties were investigated. Four compounds were used emitting layer (EML) in OLED device: ITO / PEDOT (40nm) / Synthesized materials (60 nm) / TPBi(20nm)/LiF(1nm)/Al(200nm). The luminance efficiency of the synthesized compounds at 30mA/cm2 were measured 0.49cd/A, 0.99cd/A, 0.56cd/A, 1.21cd/A for CB203, CB206, t-CB203 and t-CB206, respectively. Moreover, the external quantum efficiencies were 1.24%, 0.75%, 1.35%, 1.44%, respectively. As a result, more improved efficiency was found with the device in which substance for which t-butyl group was substituted was produced by solution process. White OLED device using solution process was produced using the co-host concept. White OLED device was produced using green emitting materials with high fluorescence efficiency through solution process. Characteristic change was examined according to changes of metal in metal phthalocyanine (MPc) complex. New phthalocyanine (Pc) derivatives that include the alkyl group in ligand were synthesized based on three core metals such as zinc (Zn), copper (Cu), and cobalt (Co). Electrochemical behaviors and optical properties of the new phthalocyanine derivatives with ligand and different core metal were investigated by using cyclic voltammetry, UV-Visible (UV-Vis) spectroscopy and photoluminescence (PL) spectroscopy. In UV-Vis data, maximum values of 2H, Co, Cu, and Zn complexes were 708 nm and 677 nm, 686 nm, 684 nm, respectively.
New three indenofluorenedione derivatives were synthesized and proposed for electron transporting layer (ETL). Three compounds are indeno[1,2-b]fluorene-6,12-dione (IF-dione), 2,8-Difluoro-indeno[1,2-b] fluorene-6,12-dione (Mono-F-IF-dione), and 1,2,3,7,8,9-Hexafluoro-indeno [1,2-b]fluorene-6,12-dione (Tri-F-IF-dione). UV-visible (UV-Vis.) absorption of three compounds in THF solution state showed different absorption maximum values as follows: 292, 318 and 334nm (IF-dione), 289, 314 and 329 nm (Mono-F-IF-dione), 285, 319 and 334nm (Tri-F-IF-dione). Three compounds were inserted between emitting layer (EML) and cathode electrode as an ETL in OLED device: ITO / 2-TNATA(60nm) / NPB(15nm) / Alq3(30nm) / synthesized compounds(30nm) / LiF(1nm) / Al(200nm). I-V characteristics of three devices were investigated at 20mA/cm2, operating voltages of three compounds were 7.06V (IF-dione), 6.42V (MonoF-IF-dione), 5.36V (TriF-IF-dione), respectively. 9,10-bis(3’’,5’’-diphenylbiphenyl-4’-yl)anthracene [CB203] and 4-(10-(3’,5’- diphenylbiphenyl-4-yl)anthracen-9-yl)-N,N-diphenylaniline [CB206] had synthesized. New anthracene derivatives of 2-tert-butyl-9,10-bis(3’’,5’’- diphenylbiphenyl-4’-yl)anthracene [t-CB203] and 4-(3-tert-butyl-10-(3’,5’- diphenylbiphenyl-4-yl)anthracen-9-yl)-N,N-diphenylaniline [t-CB206] by using substituted t-butyl group were synthesized. New anthracene derivatives containing t-butyl group were fabricated by solution process and its physical properties such as optical, electrochemical, and electroluminescent properties were investigated. Four compounds were used emitting layer (EML) in OLED device: ITO / PEDOT (40nm) / Synthesized materials (60 nm) / TPBi(20nm)/LiF(1nm)/Al(200nm). The luminance efficiency of the synthesized compounds at 30mA/cm2 were measured 0.49cd/A, 0.99cd/A, 0.56cd/A, 1.21cd/A for CB203, CB206, t-CB203 and t-CB206, respectively. Moreover, the external quantum efficiencies were 1.24%, 0.75%, 1.35%, 1.44%, respectively. As a result, more improved efficiency was found with the device in which substance for which t-butyl group was substituted was produced by solution process. White OLED device using solution process was produced using the co-host concept. White OLED device was produced using green emitting materials with high fluorescence efficiency through solution process. Characteristic change was examined according to changes of metal in metal phthalocyanine (MPc) complex. New phthalocyanine (Pc) derivatives that include the alkyl group in ligand were synthesized based on three core metals such as zinc (Zn), copper (Cu), and cobalt (Co). Electrochemical behaviors and optical properties of the new phthalocyanine derivatives with ligand and different core metal were investigated by using cyclic voltammetry, UV-Visible (UV-Vis) spectroscopy and photoluminescence (PL) spectroscopy. In UV-Vis data, maximum values of 2H, Co, Cu, and Zn complexes were 708 nm and 677 nm, 686 nm, 684 nm, respectively.
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