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김성현(S.H. Kim),김윤정(Y.J,Kim),노임준(I.J. No),조진우(J.W. Cho),이능헌(N.H. Lee),김진식(J.S. Kim),신백균(P.K Shin) 대한전기학회 2009 대한전기학회 학술대회 논문집 Vol.2009 No.7
We deposited SnO₂:F thin films by atomospheric pressure chemical vapor deposition(APCVD) on corning glass. SnO₂:Ffilms were used as transparent conductive oxide (TCO) electrode for Si thin film solar cells. We have investigated structural, electrical and optical properties of SnO₂:F thin films and fabricated thin film Si solar cells by plasma enhanced CVD(PECVD) on SnO₂:F thin films The cells were characterized by I-V measurement using AM1.5 spectra. Conversion efficiency of our cells were between 5.61% and 6.45%.
Nd:YAG 레이저로 표면처리된 ITO를 전극으로 한 유기EL 소자의 특성
노임준(I.J. No),신백균(P.K. Shin),김형권(H.K. Kim),김용운(Y.W. Kim),임응춘(Y.C. Lim),박강식(K.S. Park),정무영(M.Y. Chung) 대한전기학회 2006 대한전기학회 학술대회 논문집 Vol.2006 No.7
ITO(Indium-Tin-Oxide) was used as anode material for OLEO. Characteristics of ITO have great effect on efficiency of OLEOs(Organic light emitting diodes). ITO surface was treated by Nd:YAG laser in order to improve its chemical properties, wettability, adhesive property and to remove the surface contaminants while maintaining its original function. In this study, main purpose was to improve the efficiency of OLEOs by the ITO surface treatment: ITO surface was treated using a Nd:YAG(λ=266㎚, pulse) with a fixed power of 0.06[w] and various stage scanning velocities. Surface morphology of the ITO was investigated by AFM. Test OLEDs with surface treated ITO were fabricated by deposition of TPO(HTL), Alq3 (ETL/EML) and Al(cathode) thin films. Device performance of the OLEDs such as V-I-L was investigated using Source Measurement Unit (SMU: Keithly. Model 2400) and Luminance Measurement (TOPCON. BM-8).
노임준(I.J. No),김성현(S.H. Kim),조진우( J.W. Cho),김선민(S.M. Kim),이경일(K.I. Lee),김종현(J.H. Kim),신백균(P.K. Shin) 대한전기학회 2010 대한전기학회 학술대회 논문집 Vol.2010 No.7
We synthesized ZnO nanowires on Al doped ZnO (AZO) thin film by hydrothermal method. The AZO thin films was deposited on a glass substrate. Then long and vertical ZnO nanowires were synthesized at various mixture solution with fixed quantity of Zinc nitrate, hexamethylenetetramine(HMT), Polyethylenimine(PEI) and a variable quantity of ammonium chloride(AC). The longer vertical ZnO nanowires were grown with the quantity of ammonium chloride of 0.07 mol/L
노임준(I.J. No),김성현(S.H. Kim),조진우(J.W. Cho),박구범(G.B. Park),김용혁(Y.H. Kim),이덕출(D.C. Lee),신백균(P.K. Shin) 대한전기학회 2009 대한전기학회 학술대회 논문집 Vol.2009 No.7
We fabricated FEDs based on ZnO nanowires. ZnO nanowires were synthesized on Au thin films by hydrothermal method on hot plate. After 2 hours, we obtained nanowires of chin form. The high-purity nanowires showed sharp tips geometry with a wurtzite structure. The field emission properties of the ZnO nanowires were investigated in high vacuum chamber. The turn-on field for the ZnO nanowires was found to be about 4.1 V/㎛ at a current density of 0.1 ㎂/㎠.