Contact Information

Faculty Fellow

International Centre for Materials Science,


Jakkur, Bangalore-560064

Associate Faculty at New Chemistry Unit

Tel #: ++91-80-22082573




Dr. Ranjani Viswanatha



Education and Research Experience:

Jan 2011 - Present >> Faculty Fellow, JNCASR , Bangalore, India

Dec 2008 - Dec 2010 >> Post Doctoral Fellow in Prof. Victor Klimov's group, LANL , Los Alamos, USA

Jan 2007 - Nov 2008 >> Post Doctoral Fellow in Prof. X. Peng's group , University of Arkansas , Fayetteville, USA

1999 - 2006 >> Integrated Ph.D., Thesis Supervisor Prof. D. D. Sarma , S.S.C.U. , I.I.Sc , Bangalore, India




Founder Member of Indian National Young Academy of Science

INSA Young Scientist Medal

Young Associate of Indian Academy of Sciences

Toulouse Best Thesis Award awarded by Indian Institute of Science

Merit Scholarship in SSLC awarded by the Karnataka State Board.


Other Activites:

Editor of the blog Pavani's Exploits with Magic Mirror: Fun with History and Future of Science


Selected Publications:

G. Krishna Murthy Grandhi and Ranjani Viswanatha,  Tunable Infrared Phosphors Using Cu Doping in Semiconductor Nanocrystals: Surface Electronic Structure Evaluation, J. Phys. Chem. Lett.,  4, 409 - 415 (2013). ,  Full Paper

Avijit Saha, Kishore V. Chellappan, K. S. Narayan, Jay Ghatak, Ranjan Datta and Ranjani Viswanatha,  Near-Unity Quantum Yield in Semiconducting Nanostructures: Structural Understanding Leading to Energy Efficient Applications, J. Phys. Chem. Lett.,  4, 3544 - 3549 (2013). ,  Highlighted in C&E News  ,  Full Paper

Anshu Pandey, Sergio Brovelli, Ranjani Viswanatha, Liang Li, Jeffrey M. Pietryga, Victor I Klimov and Scott A. Crooker,  Long-lived photoinduced magnetization in copper-doped ZnSe–CdSe core–shell nanocrystals, Nature Nanotech.,  7, 792 - 797 (2012). ,  Highlighted in Nature News and Views "Diluted magnetic semiconductors: Copper joins the family",  Full Paper

G. Krishnamurthy Grandhi, Renu Tomar and Ranjani Viswanatha,  Study of Surface and Bulk Electronic Structure of II-VI Semiconductor Nanocrystals using Cu as a Nanosensor, ACS Nano,  6, 9751 - 9763 (2012). , Full Paper

   Last modified date: 18-02-2016