"Can an organic phosphorescent dye act as a charge transporter?"
W.H. Choi, C.H. Cheung, and S.K. So, Organic Electronics 11, 872-875 (2010).
"Organic electronics: materials, processing, devices and applications"
S.C. Tse, C.H. Cheung, and S.K. So, F. So Ed., Chap. 3, CRC Press, Francis and Taylor (2010).
"Role of air exposure in the improvement of injection efficiency of transition metal oxide/organic contact"
C.H. Cheung, W.J. Song, and S.K. So, Organic Electronics 11,89-94 (2010).
"Charge injection and transport in spiro-linked arylamine compounds"
W.H. Choi and S.K. So, Proc. of SPIE 7415,74151L (2009).
"Advantages of admittance spectroscopy over time-of-flight technique for studying dispersive charge transport in an organic semiconductor"
K.K. Tsung and S.K. So, J. Appl.Phys. 106, 083710 (2009).
"High temperature carrier mobility as an intrinsic transport parameter of an organic semiconductor"
K.K. Tsung and S.K. So, Organic Electronics 10, 661 (2009).
"NPB-Based RGB Single-Layer OLEDs"
Ka Kin Tsung, Shing Chi Tse, and Shu Kong So, SID Tech. Digest, Volume 39, Issue 3, 2008, Pages 2032.
"Carrier transport in molecularly doped organic materials"
S.K. So and K.K. Tsung, Proc. SPIE 7051, 70511B-1 (2008).
"Determination of carrier mobility of amorphous organic electronic material by thin film transistor configuration"
C.H. Cheung, K.K. Tsung, and S.K. So, Proc. SPIE 7051, 70511M-1 (2008).
"Using thin film transistors to quantify carrier transport properties of amorphous organic semiconductors"
C.H. Cheung, K.K. Tsung, K.C. Kwok, and S.K. So, Appl. Phys. Lett. 93, 083307 (2008).
"Carrier trapping and scattering in amorphous organic hole transporter"
K.K. Tsung and S.K. So, Appl. Phys. Lett. 92, 103315 (2008).
"Determination of carrier mobility in phenylamine by time-of-flight, dark-injection, and thin film transistor techniques"
C.H. Cheung, K.C. Kwok, S.C. Tse, and S.K. So, J. Appl. Phys. 103, 093705 (2008).