"Single-layer organic light-emitting diodes using naphthyl-diamine"

S.C. Tse, K.K. Tsung, and S.K. So, Appl. Phys. Lett. 90, 213502 (2007).

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"Charge transport and injection to Phenylamine-based hole transporters for OLEDs applications"

S.K. So, S.C. Tse, and K.L. Tong,   Journal of Display Technology 3, 225-232 (2007).

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"Carrier injection and bipolar transport in NPB for single-layers OLEDs"

S.C. Tse, K.K. Tsung, and S.K. So, Proc. SPIE 6655, 66551Q-1 (2007).

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"Hole transport in molecularly doped naphthyl diamine"

K.L. Tong, S.W. Tsang, K.K. Tsung, S.C. Tse, and S.K. So, J. Appl. Phys. 102, 093705 (2007).

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"Highly efficient deep blue organic electroluminescent device based on 1-methyl-9,10-di(1-naphthyl)anthracene"

M.H. Ho, Y.S. Wu, S.W. Wen, M.T. Lee, T.M. Chen, C.H. Chen, K.C. Kwok, S.K. So, K.T. Yeung, Y.K. Cheng, and Z.Q. Gao,  Appl. Phys. Lett. 89, 252903 (2006).

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"Electron transport in naphthylamine-based organic compounds"

S.C. Tse, K.C. Kwok, and S.K. So,  Appl. Phys. Lett. 89, 262102 (2006).

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"PEDOT : PSS polymeric conducting anode for admittance spectroscopy"

S.W. Tsang, S.C. Tse, K.L. Tong, and S.K. So, Organic Electronics 7, 474-479 (2006).

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"Electrochemical degradation of 4-chlorophenol at nickel-antimony doped tin oxide electrode"

Y.H. Wang, K.Y. Chan, X.Y. Li, and S.K. So, CHEMOSPHERE 65, 1087-1093 (2006).

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"Hole transporting properties of tris(8-hydroxyquinoline) aluminum (Alq3)"

H.H. Fong and S.K. So, J. Appl. Phys. 100, 094502 (2006).

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"Direct determination of carrier mobilities of OLED materials by admittance spectroscopy"

S.W. Tsang, K.L. Tong, S.C. Tse, and S. K. So, Proc. SPIE 6333, 633313 (2006).

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"Nearly ohmic injection contacts from PEDOT:PSS to phenylamine compounds with high ionization potentials"

S.C. Tse, S.W. Tsang, and S.K. So,  Proc. SPIE 6333, 63331P (2006).

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"Preparation and photoluminescence of a novel beta-diketone ligand containing electro-transporting group and its europium(III) ternary complex"

N.J. Xiang, L.M. Leung, S.K. So, and M.L. Gong, Spectrochimica Acta Part A 65, 907-911 (2006).

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"Polymeric conducting anode for small organic transporting molecules in dark injection experiments"

S.C. Tse, S.W. Tsang, and S.K. So, J. Appl. Phys. 100, 063708 (2006).

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"Synthesis and photoluminescence of two novel bipolar organic compounds"

N.J. Xiang, T.H. Lee, L.M. Leung, S.K. So, J.X. Shi, and M.L. Gong,  Acta Chimica Sinica 64, 1157-1162 (2006).

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"The role of charge-transfer integral in determining and engineering the carrier mobilities of 9,10-di(2-naphthyl)anthracene compounds"

S.C. Tse, S.K. So, M.Y. Yeung, C.F. Lo, S.W. Wen, and C.H. Chen, Chem. Phys. Lett. 422, 354-357 (2006).

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"Preparation and photoluminescence of a novel bipolar small organic molecular compound and its Al3+ complex"

N.J. Xiang, T.H. Lee, L.M. Leung, S.K. SO, J.X. Shi, and M.L. Gong,  Chem. J. of Chinese Universities 27, 808-811 (2006).

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"Heterojunction OLEDs fabricated by Eu ternary complexes with conducting secondary ligands"

M.K. Lam, K.L. Kwok, S.C. Tse, S.K. So, J.B. Yuan, L.M. Leung, M.L. Gong, Optical Materials 28, 709-713 (2006).

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"Synthesis of 2-phenylquinoline-based ambipolar molecules containing multiple 1,3,4-oxadiazole spacer groups"

N.J. Xiang, T.H. Lee, M.L.A. Gong, K.L. Tong, S.K. So, and L.M. Leung,  Synthetic Metals 156, 270-275 (2006).

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"Novel fluorine-containing X-branched oligophenylenes: structure-hole blocking property relationships"

Z.H. Li, K.L. Tong, M.S. Wong, and S.K. So, J. Materials Chemistry 16, 765-772 (2006).

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"Experimental and theoretical demonstration on the transport properties of fused ring host materials for organic light-emitting diodes"

S.C. Tse, S.K. So, M.Y. Yeung, C.F. Lo, S.W. Wen, and C.H. Chen, Jpn. J. Appl. Phys. 45, 555-557 (2006).

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"Application of admittance spectroscopy to evaluate carrier mobility in organic charge transport materials"

S.W. Tsang, S.K. So, and J.B. Xu,  J. Appl. Phys. 99, 013706 (2006).

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"Synthesis and electroluminescence of thiophene-based bipolar small molecules with different arylamine moieties"

T.H. Lee, K.L. Tong, S.K. So, and L.A. Leung,  Synthetic Metals 155, 116-124 (2005).

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"High-mobility hole-transporting polymers for electroluminescence applications"

T.H. Lee, K.L. Tong, S.K. So, L.M.L. Leung, Jpn. J. Appl. Phys. 44, 543-545 (2005).

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"Effects of nitrogen, oxygen, and moisture on the electron transport in tris(8-hydroxyquinoline) aluminum"

H.H. Fong and S.K. So,  J. Appl. Phys. 98, 023711 (2005).

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"A multifunctional platinum-based triplet emitter for OLED applications"

W.Y. Wong, Z. He, S.K. So, K.L. Tong, and Z.Y. Lin, ORGANOMETALLICS 24, 4079-4082 (2005).

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"An ab initio study of carbazole model compounds"

M.Y. Yeung, C.F. Lo, and S.K. So, J. Theoretical & Comp. Chem. 4, 103-115 (2005).

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"Charge conduction in fused aromatic compounds for OLEDs applications"

S.K. So, S.C. Tse, and H.H. Fong, International Display Manufacturing Conference (IDMC 05, SID) Proceedings, p. 275, Taipei (2005).

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