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Browsing by Author "Saha, Avijit"

Browsing by Author "Saha, Avijit"

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  • Core-Shell to Doped Quantum Dots: Evolution of the Local Environment Using XAFS 
    Saha, Avijit; Chattopadhyay, Soma; Shibata, Tomohiro; Viswanatha, Ranjani (American Chemical Society, 2016)
    Internal structure study at an atomic level is a challenging task with far reaching consequences to its material properties, specifically in the field of transition metal doping in quantum dots. Diffusion of transition ...
  • The curious case of CdTe/CdS: photoabsorption versus photoemission 
    Saha, Avijit; Chattopadhyay, Soma; Shibata, Tomohiro; Viswanatha, Ranjani (Royal Society of Chemistry, 2014)
    The potential of nanomaterials arises from the fine tuning of material properties by changing their composition, size and shape. Here, we show that by varying the local Cd and Te/S environment using CdTe/CdS as the host, ...
  • Interface engineering of quantum dot heterostructures for optoelectronic applications and /or mangetic properties 
    Saha, Avijit (Jawaharlal Nehru Centre for Advanced Scientific ResearchNew Chemistry Unit (NCU), 2016-12-06)
    An interface is a common boundary or layer that separates two condensed phases, exists usually in molecular dimension, composed of chemical compounds from the two surrounding phases. It has a great effect in determining ...
  • Ligand assisted digestion and formation of monodisperse FeCoS2 nanocrystals 
    Shetty, Amitha; Saha, Avijit; Makkar, Mahima; Viswanatha, Ranjani (Royal Society of Chemistry, 2016)
    Digestive ripening of bimetallic magnetic nanocrystals from uniform microsheets to spherical nanocrystals was observed in FeCoS2 nanocrystals leading to the formation of monodisperse nanocrystals. Earlier examples of ...
  • Uniform Doping in Quantum-Dots-Based Dilute Magnetic Semiconductor 
    Saha, Avijit; Shetty, Amitha; Pavan, A. R.; Chattopadhyay, Soma; Shibata, Tomohiro; Viswanatha, Ranjani (American Chemical Society, 2016)
    Effective manipulation of magnetic spin within a semiconductor leading to a search for ferromagnets with semiconducting properties has evolved into an important field of dilute magnetic semiconductors (DMS). Although a lot ...

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