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Sam's Nano Group

Department of Chemistry
Multi-storey building
5th Floor
IIT Delhi
Tel: +91 11 2659 6505/7348


Department of Chemistry
Multi-storey building
5th Floor
IIT Delhi
Tel: +91 11 2659 1561
Fax: +91 11 2658 1102

Students interested in summer internships are requested to please apply through the academies or IIT programs

Welcome to the nano group at the Department of Chemistry, Indian Institute of Technology, Delhi. The group was established in July 2008. We finally moved to our renovated lab in January 2010. Since then our group has been involved in the synthesis and applications of nanomaterials with an aim towards optical applications. The group is interested in studying the changes that can be brought about in nanomaterials as a function of various synthesis parameters. We develop a number of new nano-heterostructures and study the basic principles governing their charge dynamics. Through the links on this webpage, you will also find a number of bio-applications being developed based on these materials. We are also interested in developing materials for photovoltaics and photocatalysis. Please check here for updates on the activities of the group.


January 2022

  • Swati presented her work in International Conference on Emerging Trends in Nanomaterials Science & Technology (ICETNMST 2022). She received the best speaker award.

    February 2022

  • Congratulations Ajeet, Samim, our DFT collaborator Dibyajyoti, the electrochemists Jyoti and Pravin and the imaging team Trupthi and Pralay: the work on MoSe2/SnS Nanoheterostructures for Water Splitting is accepted in ACS Applied Nano Materials

    March 2022

  • Congratulations Swati, Samim, Priyesh and our DFT collaborator Dibyajyoti: the work on Charge Transfer Kinetics in CsPbBr3-CdSe/CdS/ZnS Nanohybrids is accepted in J. Phys. Chem. Lett.
  • More good news rolls in. Priyesh has been awarded the best poster presentation award in the 2nd International Conference on Nanomaterials for Energy Conversion and Storage Applications (NECSA - 2022) held at Pandit Deendayal Energy University from 19th-21ar Jan 2022.
  • "Insight into morphology dependent charge carrier dynamics in ZnSe-CdS nanoheterostructures" - long due work that was part of Mona's thesis is now published in Phys. Chem. Chem. Phys. Congratulations to all the people involved - Mona, Jayanta, Franziska, HN Ghosh, Nadja

    July 2022

  • "Doping Mn2+ in hybrid Ruddlesden–Popper phase of layered double perovskite (BA)4AgBiBr8" - Priyesh's first paper with Swati's contributions is now published in Nanotechnology Congratulations!

    August 2022

  • Jyoti joins the group for PhD. She is interested in devices!!

    September 2022

  • Mona and Samim are awarded the "Distinction in Doctoral Research" for the years 2018 and 2020, respectively. This is a proud moment for the group. Congratulations and keep up the good work!

    December 2022

  • Samim joins the group of Prof. Andrey Rogach for a postdoc. Wish you all the best for your future!
  • "Self-Trapped Excitons Mediated Energy Transfer to Sm3+ in Cs2AgIn(1-x)SmxCl6:Bi Double Perovskite Nanocrystals" - now accepted in J Phys Chem C. Congratulations Rachna, Ajeet, Raman, Shubham.

    January 2023

  • The work on "Defect Passivation Results in Stability of Cesium Lead Halide Perovskite Nanocrystals" has been now accepted in J. Phys. Chem. C , (2023). due to the combined efforts of Swati, Samim, Priyesh, Trupthi, Manash, Pralay, Dibyajyoti. Congratulations to the entire team. The stability of perovskites has been improved dramatically and this work will open up new avenues in the perovskite photovoltaics.
  • The work on "Elucidating the Mn2+ Dopant Sites in Two-Dimensional Na-In Halide Perovskite" has been now accepted in J Phys Chem C. Congratualtions to Priyesh, Deepika, Swati, Raman and Saswata whose combined efforts made these results possible.
  • Department of Chemistry, IIT Delhi