125 citations · 324 across the 7 of their papers we have counts for
7 papers
Direct Observation of sp-d Exchange Interaction in Mndoped All-inorganic Perovskite Quantum Dots (CsPbX: X= Cl, Br)
Prasenjit Mandal, Ranjani Viswanatha
The field of lead halide perovskite nanocrystal doping has witnessed notable progress in recent times, leading to the creation of innovative materials that showcase compelling phys…
Probing of Excitonic Transitions in All Inorganic Perovskite Quantum Dots (CsPbX: X= Cl, Br, I) by Magnetic Circular Dichroism Spectroscopy
Prasenjit Mandal, Ranjani Viswanatha
Higher-order electronic transitions of all inorganic lead halide perovskite quantum dots (QDs) (CsPbX: X = Cl, Br, I) are hardly detected by traditional spectroscopic technique…
Visible-blind ZnMgO Colloidal Quantum Dot Downconverters expand Silicon CMOS Sensors Spectral Coverage into Ultraviolet and enable UV Band Discrimination
Avijit Saha, a Gaurav Kumar, a Santanu Pradhan +3
Selective spectral detection of ultraviolet (UV) radiation is highly important across numerous fields from health and safety to industrial and environmental monitoring applications…
Spin-polarized Mn emission from Manganese-doped colloidal nanocrystals
R. Viswanatha, J. M. Pietryga, V. I. Klimov +1
We report magneto-photoluminescence studies of strongly quantum-confined "0-D" diluted magnetic semiconductors (DMS), realized in Mn-doped ZnSe/CdSe core/shell colloidal nan…
Growth mechanism of nanocrystals in solution: ZnO, a case study
Ranjani Viswanatha, Pralay K. Santra, Chandan Dasgupta +1
We investigate the mechanism of growth of nanocrystals from solution using the case of ZnO. Spanning a wide range of values of the parameters, such as the temperature and the react…
Electronic structure of and Quantum size effect in III-V and II-VI semiconducting nanocrystals using a realistic tight binding approach
Ranjani Viswanatha, Sameer Sapra, Tanusri Saha-Dasgupta +1
We analyze the electronic structure of group III-V semiconductors obtained within full potential linearized augmented plane wave (FP-LAPW) method and arrive at a realistic and mini…