スピンコート法による ITO/PET Alq3/coumarin6 および …

1 ITO/PET Alq3/coumarin6 PEDOT/PSS 2 Preparation and Evaluation of Organic Bilayer Thin Films with Alq3/coumarin6 and PEDOT/PSS on ITO/PET Substrates Using Spin Coating Technique M0031 Electronic Engineering, (Yamamoto lab.) Graduate School of Science and Technology, Nihon University, M2, Hina Chujo Abstract EL Alq3 Alq3 50 vol% Alq3 coumarin6 PL PEDOT/PSS PEDOT/PSS 1, 2, 3 2.

2 3 3 Alq3/coumarin6 PEDOT/PSS J-V 3 mA/cm2 10 V mA/cm2 10 V J-V EL 2 - 1. EL(Electro Luminescence) [1] EL 300 cd/m2 10,000 EL EL EL 2 EL [2]

3 [3] [3] [3] [3] EL [4] [5] [6] [7] [8] [9] 2. EL 3.

4 1 2 Alq3 Alq3 Alq3 1 coumarin6 coumarin6 Alq3 coumarin6 PEDOT/PSS Ag Alq3 Alq3(ALDRICH,MKBD4383V, C27H18 AlN3O3, ) 1 1 Alq3 Alq3 ( , 07278-00,CHCl3, ) 20 [10] 1 Alq3 Alq3 1 wt% 99 wt% ITO /PET(Indium Tin Oxide/Polyethylene Terephthalate) ( 125 m ITO 25 nm 250 /sq ) ITO 25 25 mm2 2 10 2 Alq3 (rpm) ( l) 3000 20 3000 30 2500 30 Alq3 3 1 3 Alq3 Alq3 (vol%) (vol%) 90 10 50 50 10 90 1 Alq3 ( , 07278-00,CHCl3, )

5 20 3 20 10 coumarin6 Alq3 1 coumarin6 4, 5 4 Alq3/coumarin6 -1 Alq3 mol% coumarin6 mol% 5 Alq3/coumarin6 -2 Alq3/coumarin6 1 wt% 99 wt% 4 Alq3 coumarin6 5 Alq3/coumarin6 20 20 10 PEDOT/PSS PEDOT/PSS (ALDRICH, Lot#MKBB0290, C20H18N2O2S, 98%) PEDOT/PSS 6 6 PEDOT/PSS PEDOT/PSS 90 wt% IPA 10 wt% 6 PEDOT/PSS IPA( , Lot#108N1015, (CH3)2 CHOH) 20 [11] ( PVDF m Millipore )

6 1, 2, 3 3000 rpm 50 l 60 100 C 10 2 3 1 EL ITO/PET 2 PEDOT/PSS Alq3 coumarin6 Ag 2 Alq3 coumarin6 LUMO Alq3 LUMO coumarin6 Alq3 HOMO coumarin6 HOMO coumarin6 ITO Ag 3 ITO ITO/PET ITO 5 15 5 1st 500 rpm, 5 s 2nd 5000 rpm, 30 s (OFPR-800: ) 6 Start 90 C 20 4 ( MA-1s ) s 4 1 4 1 100 C 15 ( , 18078-00,HCl, )1N(1L 1 mol ) 2 ITO [12] 2 2 ITO PEDOT/PSS Alq3/coumarin6 5 Ag Ag 4.

7 Alq3 ( HoloLab5000R) EL 10 (Photo Luminescence PL)(KIMMON ,He-Cd 325 nm) 6 PL Alq3 PL coumarin6 EL 10 PL (Ocean Photonics , USB4000) PEDOT/PSS (1) 1 25 2 3 J-V KEITHLEY6430 J-V 3 [13] 7 (1) 100 6 PL (a) (b) 3 (a) ITO Ag (b) (a) 4 ITO 5 Ag Ag (2) (2) J E E V *m q B lnJ-V1/2 [13][14] 8 (3) (3) ln(J/V2)-1/V EL [15] 9 Pool-Frenkel Pool-Frenkel (4) (4)

8 LnJ/V-V1/2 5. Alq3 Alq3 10 20 l-3000 rpm 11, 12 10 m 30 l- 3000 rpm 13, 14 11, 12 13, 14 30 l- 2500 rpm 15, 16 11, 12 16 kTqEqATJiB)4(exp2 EqqmEJB 3)(24exp23*2 kTqEqEJiB)4(exp 10 a, b 2 7 8 9 11 20 l-3000 rpm a 10 m 30 l-3000rpm PL 17 Alq3 Alq3 (10 vol%) PL 18 Alq3 (50 vol%) PL 19 Alq3 (90 vol%)

9 PL 20 Alq3 12 20 l-3000 rpm b 10 m 15 30 l-2500 rpm a 11, 12 16 30 l-2500 rpm a 11, 12 17 3000 rpm-30 l PL 18 (10 vol%) PL 13 30 l-3000 rpm a 11, 12 14 30 l-3000 rpm b 11, 12 coumarin6 coumarin6 PL 21 coumarin6 22 nm nm PEDOT/PSS PEDOT/PSS 20 25 1 21 (1) 22 1 2, 3 3 2 19 (50 vol%)

10 PL 20 (90 vol%) PL Alq3 21 coumarin6 PL coumarin6 22 PL nm nm 20 25 21 1 2 2 3 J-V 23 1 mm2 A 24 A 1 V 10 V mA/cm2 B 25 B 5 V 10 V mA/cm2 C 26 C 2 V 10 V mA/cm2 J-V A 27