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Karunananda Pemasiri

Page history last edited by karunananda Pemasiri 13 years, 5 months ago

Karunananda Pemasiri

Kuranananda Pemasiri


Kuranananda Pemasiri is a citizen of Sri Lanka. He received his undergraduate degree in 2004 from the University of Peradenniya in Sri Lanka. He worked as Teaching Assistant for two years in University of Peradeniya before coming to the USA for Graduate Studies. He began his PhD work at the University of Cincinnati in September 2006 and joined the Nano Materials Physics Group in March 2008.


Research Interests

Photolumenescence & photo-current spectroscopy study on semiconductor nanowire heterostructures.



B.Sc. Special Degree in Physics (First class Honors), University of Peradeniya, Sri Lanka 2004.

Phd Student in Physics at University of Cincinnati since 2006.


Email Address:



Recent Publications



Probing valence band structure in wurtzite InP nanowires using excitation spectroscopy, S. Perera, K. Pemasiri, M.A. Fickenscher, H.E. Jackson, L.M. Smith, J. Yarrison-Rice, S. Paiman, Q. Gao, H.H. Tan, and C. Jagadish, Applied Physics Letters 97, 023106 (2010).



Room Temperature Photocurrent Spectroscopy of Single Zincblende and Wurtzite InP Nanowires, A. Maharjan, K. Pemasiri, P. Kumar, A. Wade, L.M. Smith, H.E. Jackson, J.M. Yarrison-Rice, A. Kogan, S. Paiman, Q. Gao, H.H. Tan, and C. Jagadish, Applied Physics Letters 94, 193115 (2009).


Effect of V/III ratio and catalyst particle size on the crystal structure and optical properties of InP nanowires, S Paiman, Q Gao, H Hoe Tan, Chennupati Jagadish, K Pemasiri, M Montazeri, H E Jackson, L M Smith, J Yarrison-Rice, X Zhang and J Zou, Nanotechnology 20, 225606 (2009).


Carrier dynamics and quantum confinement in Type-II ZB-WZ InP nanowire homostructures, Kuranananda Pemasiri, Mohammad Montazeri, Richard Gass, Leigh M. Smith, Howard E. Jackson, Jan Yarrison-Rice, Suriati Paiman, Qiang Gao, H. Hoe Tan, Chennupati Jagadish, Xin Zhang, and Jin Zou, Nano Letters 9, 648-654 (2009).


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