Nano Members

Principal Investigator
		Sameer Sapra Professor Ph.D (IISc) sapra [at] chemistry.iitd.ac.in Tel: +91 11 2659 1561 Office: MS-717	Sameer hails from Delhi where he completed his graduation in 1996 from Hindu College and went to IISc Bangalore for an Int. Ph.D. with Prof. D. D. Sarma. After completing his doctoral studies in 2004, he moved on to work with Andrey Rogach at LMU Munich as a Humboldt fellow and there on to TU Dresden in the group of Prof. Dr. Alexander Eychmueller. 2008 onwards he has been at IIT Delhi working on the charge separation in semiconductor nanomaterials enabling them for applications such as photovoltaics, photodiodes, photocatalysis and electrocatalytic applications.
Ph.D. Candidates
		Shubham Kumar Ph.D. scholar M.Sc. (Aligarh Muslim University) B.Sc. (Aligarh Muslim University) cyz208064 [at] chemistry.iitd.ac.in Tel: +91 11 2659 7348 Office: MS-702B	Research Interests: perovskites for charge storage
		Varsha Jha Ph.D. scholar M.Sc. (Delhi University) B.Sc. (Sri Venkateswara College, Delhi University) cyz208069 [at] chemistry.iitd.ac.in Tel: +91 11 2659 7348 Office: MS-702B	I completed my B.Sc. from Sri Venkateswara college, DU and received master s degree in Inorganic Chemistry as my specialization from Kirorimal College, University of Delhi. My research interest includes studying the catalytic properties exhibited by two dimensional nanomaterials. Currently, I am working on synthesis of transition metal dichalcogenide nanosheets, structural and optical characterization and exploring their electrocatalytic application via hydrogen evolution reaction. Further during my course of Ph.D., I aim to tune the electrocatalytic properties of TMDs via structure and chemical composition tailoring.
		Jyoti Yadav Ph.D. scholar M.Sc. (IIT Palakkad) B.Sc. (Sri Venkateswara College, Delhi University) cyz228303 [at] chemistry.iitd.ac.in Tel: +91 11 2659 7348 Office: MS-702B	I completed my graduation from Sri Venkateswara College, University of Delhi in chemistry honors in 2019. For my post-graduation, I went to IIT Palakkad, Kerela. I joined IIT Delhi as a PhD scholar in 2022. I have been interested in the field of perovskites from my masters. My research area includes vacancy ordered perovskites and their heterostructures to tune the optical properties for photodiodes. I am also interested in device fabrication and computational study of solid-state materials.
		Twinkle Jain Ph.D. scholar M.Sc. (Delhi) B.Sc. (CCU, Meerut) cyz238255 [at] chemistry.iitd.ac.in Tel: +91 11 2659 7348 Office: MS-702B	I completed my undergraduate and postgraduate studies at Chaudhary Charan Singh University, Meerut. I began my Ph.D. journey as a research scholar at IIT-Delhi in 2023. Research Area: My research focuses on the synthesis and characterization of lead-halide, mixed-halide, and lead-free perovskite nanocrystals with particular emphasis on core–shell heterostructure nanocrystal formation. The work explores charge-transfer processes and radiative and non-radiative recombination pathways using complementary spectroscopic techniques. This study aims to develop a fundamental understanding of charge migration, exciton behavior, and stability in perovskite nanocrystals to achieve improved optoelectronic properties.
		Sagar Rawat Ph.D. scholar M.Sc. (IIT Delhi) B.Sc. (Kumaon University, Uttarakhand) cyz248122 [at] chemistry.iitd.ac.in Tel: +91 11 2659 7348 Office: MS-702B
		Nitish Rani Ph.D. scholar M.Sc. (Kurukshetra) B.Sc. (MDU Rohtak) cyz248138 [at] chemistry.iitd.ac.in Tel: +91 11 2659 7348 Office: MS-702B	I completed my B.Sc. and M.Sc. in Organic Chemistry from Hindu Girls College, MDU. My research interests focus on the synthesis and optical property modulation of two-dimensional (2D) halide perovskites and chiral-based perovskites. Currently, I am engaged in synthesizing and tuning the optical properties of perovskite materials using organic moieties through structural and chemical composition engineering. I aim to explore their potential applications in solar cells, photodetectors, and sensing devices.
		Deepak Pradhan Ph.D. scholar M.Sc. (IIT Delhi) B.Sc. (Utkal University) cyz248133 [at] chemistry.iitd.ac.in Tel: +91 11 2659 7348 Office: MS-702B
		Ritu Singh Ph.D. scholar M.Sc. (IIT Roorkee) B.Sc. (Miranda House, Delhi University) cyz248131 [at] chemistry.iitd.ac.in Tel: +91 11 2659 7348 Office: MS-702B
		Aroop Pandit Ph.D. scholar M.Sc. (IIT ISM Dhanbad) B.Sc. (DDyal Singh College, Delhi University) cyz258738 [at] chemistry.iitd.ac.in Tel: +91 11 2659 7348 Office: MS-702B
M.Sc. Scholars
		Soumyadip Biswas M.Sc. scholar B.Sc. (Calcutta University) cys247053 [at] chemistry.iitd.ac.in Tel: +91 11 2659 7348 Office: MS-702B
		Rahul Kumar M.Sc. scholar B.Sc. (Delhi University) cys247060 [at] chemistry.iitd.ac.in Tel: +91 11 2659 7348 Office: MS-702B

Group Alumni: Ph.D. Graduates

		Sahil Singh Ph.D. 2025 M.Sc. B.Sc. sahil20041993 [at] gmail.com	Tranistion metal dichalcogenide based nanoheterostructures for energy storgae and optoelectronic applications
		Rachna Singh Google Scholar link Ph.D. 2025 M.Sc. Delhi University B.Sc. Delhi University rachnachauhan659 [at] gmail.com	Thesis Title: Optical Enhancement and Ultrafast Exciton Dynamics in Halide Double Perovskites
		Isha Gupta Google Scholar link Ph.D. 2024 M.Sc. Delhi University B.Sc. Delhi Universitry ishag484 [at] gmail.com	Thesis Title: Synthesis and Characterization of Dermal Nano-Biocomposites for Wound Healing and Evaluation by NMR Metabolomics Presently Assistant Professor at Vivekanand Institute of Professional Studies (VIPS), GGSIPU
		Swati Khurana Google Scholar link Ph.D. 2024 M.Sc. Delhi University B.Sc. Delhi Universitry swatikhurana [at] gmail.com	Thesis Title: Stabilization of the Lead Halide Perovskite Nanocrystals via Forming Nanoheterostructures
		Raman Singh Google Scholar link Ph.D. 2023 M.Sc. GJU Hissar B.Sc. Kurukshetra Universitry ramansinghlamba2016 [at] gmail.com	Thesis Title: Modulating optical properties of lead-free halide double perovskites by chemical substitution Presently postdoc with Prof. Dmitry Aldakov, SYMMES Lab, CEA Grenoble
		Priyesh Google Scholar link Ph.D. 2023 M.Sc. cyz188220 [at] chemistry.iitd.ac.in	Thesis Title: Tuning the optical and magnetic properties of halide layered double perovskites via doping and alloying
		Ajeet Singh Google Scholar link Ph.D. 2023 M.Sc. (IIT Delhi) sajeet330 [at] gmail.com	Thesis Title: Colloidally synthesized heterostructures of 2d layered semiconductors Presently postdoc with Liberato Manna, Istituto Italiano di tecnologia Genoa, Italy
		Md Samim Hassan Google Scholar link Ph.D. 2020 M.Tech. (Aligarh Muslim University) samimch2786 [at] gmail.com	Thesis Title: Nanoheterostructures based on the Layered Transition Metal Dichalcogenide Molybdenum Diselenide for Catalytic and Optoelectronic Applications Presently postdoc with Prof. Andrey Rogach, City University of Hong Kong
		Jaya Lohani Ph.D 2020 (jointly with SSPL) M.Sc. cyz138582 [at] chemistry.iitd.ac.in Tel: +91 11 2659 6505 Office: MS-603	Research Interests: Epitaxial growth of nanomaterials
		Mona Mittal Ph.D. 2018 M.Sc. (IIT Delhi) monacool2500 [at] gmail.com Thesis: Investigation of Energy and Charge Transfer Dynamics in Semiconductor Nanomaterials Present:
		Vikas Arora Ph.D 2018 vikasarora222 [at] rediffmail.com Thesis: Design and synthesis of semiconductor nanocrystals to modify their optical and electronic properties Present: Scientist at Geological Survey of India
		Sushma Yadav Ph.D 2018 yadav.sushma01 [at] gmail.com Thesis: Charge Manipulation in Semiconductor heteronanostructures Present: postdoc, Leibnitz University Hanover
		Razi Ahmad Ph.D 2017 (jointly with NPL) Thesis: Colloidal quantum dots and its hybrid nanostructure for solution processed optoelectronic devices Present: postdoc at NPL
		Anuushka Pal Ph.D 2017 palanuushka [at] gmail.com Thesis: Investigation of Fluorescence Quenching of Quantum Dots and its Application in Photocatalytic Organic Transformations Present: NPDF fellow at NPL
		Aditya Sharma Ph.D 2015 (jointly with NPL) Thesis: Quantum Dots Based Biosensors for Cancer Detection Present: Assistant Professor, ITM University, Gurgaon
		Udit Soni Ph.D 2014 udit_6686 [at] yahoo.com Thesis: Modification of optical and structural properties of semiconductor nanocrystals Present: Assistant Professor at TERI, New Delhi
		Gurpal Singh Ph.D 2012 (jointly with Prof. Harpal Singh at CBME, IITD) M.Pharm. (Pune University) gurpalsingh_ips [at] rediffmail.com Thesis: Development of Bioconjugated Quantum Dots for Cancer Imaging and Detection Present: Assistant Professor, Panjab Univeristy, Chandigarh

Group Alumni: postdocs

		Rajyasree Industry Sponsored Postdoc PhD 2019, Hyderabad University rajyasree [at] analinear.com Thesis:	Research Interests: Photoconductivity devices, NIR sensing cameras
		Umesh Yadav Industry Sponsored Postdoc Ph.D 2021, IACS Kolkata umesh.chem05 [at] gmail.com Thesis:	Interested in Organic Synthesis
		Sushma Yadav Industry Sponsored Postdoc Ph.D 2018, IIT Delhi yadav.sushma01 [at] gmail.com Thesis: Charge Manipulation in Semiconductor heteronanostructures	I joined the Nanolab group in March 2022 with Sameer at the Department of Chemistry, IIT Delhi. My project is on Development of Infrared Photodetectors based on Quantum Dots . I was born and brought up in Delhi. I obtained my Bachelors degree in 2009 from Hindu College, University of Delhi. Then I got an opportunity to study at IIT Delhi where I completed my M.Sc. degree in 2011, and earned my PhD in Chemistry under the guidance of Sameer in 2018. During my PhD I worked on the synthesis of various semiconductor nanocrystals and their heterostructures along with study of their charge carrier dynamics. It was followed by a short post-doctoral stint at Leibniz Universitat Hannover, Germany with Prof. Nadja C. Bigall. My research interests are: Development of 0D and 2D semiconductor nanocrystals, their heterostructures, study of charge carrier dynamics using various spectroscopic techniques. These nanocrystals are targeted for various photonic applications and catalysis.
		Arkajyoti Chakrabarty Senior Research Associate (CSIR) Ph.D. (IISc Bangalore) [at] chemistry.iitd.ac.in Tel: +91 11 2659 6505 Office: MS-603	Arkajyoti was born (1982) and brought up in West Bengal and earned his Bachelors (2001-2004) and Masters degree (2004-2006) from University of Calcutta. He then moved to Indian Institute of Science, Bangalore, Karnataka for doctoral work (2006-2012) with Prof. Uday Maitra at the Department of Organic Chemistry, followed by post-doctoral stints at University of Bordeaux, France (2013-2015) and again in IISc Bangalore (2015-2016) in a collaborative Indo-French project under the supervision of Prof. Andr Del Guerzo (French PI) and Prof. Uday Maitra (Indian PI). He is now working as a Senior Research Associate funded by CSIR at Indian Institute of Technology Delhi (2017 onwards).
		Puspanjali Tripathy Research Associate (Women Scientist Scheme - DST) Ph.D. (IIT Kharagpur) Puspanjali.Tripathy.chemistry_irdstaff [at] chemistry.iitd.ac.in Tel: +91 11 2659 6505 Office: MS-603	Puspanjali received her Master of Science (M.Sc.) degree from Utkal University, Odisha and her Ph.D. degree from Indian Institute of Technology Kharagpur. Her research interest includes synthesis of metal nanoparticles and semiconductor heteronanostructures for photocatalytic applications.
		Susnata Bera Research Associate (NPDF) Ph.D. (IIT Kharagpur) susnata.bera [at] gmail.com Tel: +91 11 2659 7348 Office: MS-603	Susnata hails from Midnapore, West Bengal. She obtained her PhD from IIT Kharagpur working with Prof. Samit K. Ray. Her research interests include fabrication and characterization of devices based on nanomaterials.
		Priya Kush Ph.D. (University of Delhi) Research Associate (NPDF): 2016-18 priyakush25 [at] gmail.com Present:
		Roopali Prajapati Ph.D. (IIT Indore) Research Associate: 2018 roopaliprajapati [at] gmail.com Present: Assistant Professor, Sharda Univeristy, Greater Noida
		Atanu Jana Ph.D. (University of Calcutta) Research Associate: 2015-17 atanujanaic [at] gmail.com	Thesis: Studies on the chemistry of transition metal complexes of some heterocycle based polydentate ligands Research Interests: Inorganic-Organic perovskites Present: postdoc, Ulsan, South Korea
		Arpita Sarkar Ph.D (IIT Kgp) Research Associate (2014-15) 80.arpita [at] gmail.com Present:

Group Alumni: M.Tech., M.Sc., JRF

2025

M.Sc.
		Rohan Rohj M.Sc. IITD B.Sc. (Delhi University)			Arkadip Mondal M.Sc. IITD B.Sc. (Calcutta University)

2024

M.Sc.
		Suvadip Saha M.Sc. IITD Pursuing PhD with Prof. Nadja Bigall, Hamburg			Deepak Pradhan M.Sc. IITD Pursuing PhD in the group
Project Scholar
		Shradhha Bhagat B.Sc. (Bhopal) M.Sc. (MP) Presently: Pursuing PhD at Jaypee University, Solan

2023

M.Tech.
		Faisal M.Tech. IITD
M.Sc.
		Aakansha Jaglan M.Sc. IITD			Reetika Tamang M.Sc. IITD
Project Scholar
		Pulkit Dhankhar B.Sc. (Miranda House, Delhi University) M.Sc. NIT Trichy

2022

M.Sc.
		Komal Choudhary M.Sc. IITD			Ashutosh Singh M.Sc. IITD

2021

M.Sc.
		Shashank Mishra M.Sc. IITD			Vidya Bisht M.Sc. IITD
Former PhD candidate
		Kriti Ph.D. scholar (pursuing PhD in Amiens, France) M.Sc. IIT Roorkee cyz198126 [at] chemistry.iitd.ac.in Tel: +91 11 2659 7348 Office: MS-702B

2020

M.Sc.
		Animesh Mishra M.Sc. IITD			Priyanka Gogoi M.Sc. IITD

2019

M.Tech.
		Ankita Bora (DAAD fellow) M.Tech. IITD			Sunil Kumar M.Tech. IITD
M.Sc.
		Sagar M.Sc. IITD			Utkarsh Pathak M.Sc. IITD

2018

M.Tech.
		Sowmya Vaddadi M.Tech. IITD			Astita Dubey M.Tech. IITD (DAAD fellow)
M.Sc.
		Shahzad Alam M.Sc. IITD Present: pusuing PhD, Univeristy of Minnesota			Pradeep M.Sc. IITD			Umesh Mishra M.Sc. IITD

2017

M.Tech.
		Akanksha Agarwal M.Tech. IITD (DAAD fellow)			Beena Soni M.Tech. IITD			Preeti Mishra M.Tech. IITD Present: PhD IITD
M.Sc.
		Ajeet Singh M.Sc. IITD Present: PhD IITD			Divya Gupta M.Sc. IITD

2016

M.Tech.
		Liza Sarma M.Tech. IITD Present: Ph.D. Delhi University
M.Sc.
		Diksha M.Sc. IITD Present: teaching at FIITJEE			Krishan Kumar M.Sc. IITD Present: Pursuing PhD at Tuebingen			Buban Adhikary M.Sc. IITD

2015

M.Tech.
		Mamata Yadav M.Sc. IITD Working at Geological Survey of India
M.Sc.
		Bhawna Arora M.Sc. IITD			Prateek Agarwal M.Sc. (IIT Delhi, 2015)			Baristar Lyngkhoi M.Sc. (IIT Delhi, 2015)
JRF
		Pallavi Sharma M.Sc. (Panjab University) pallavi.norule [at] gmail.com Present position: Project Associate at IMTECH Chandigarh

2014 and earlier

	Meenu Saini M.Tech. (IIT Delhi, 2014)
	Apurba Chowdhury M.Sc. (IIT Delhi, 2014)		Vivek Kumar M.Sc. (IIT Delhi, 2014)		Khushboo Yadav M.Sc. (IIT Delhi, 2014)
	Sulekha Yadav M.Tech. (IIT Delhi, 2013)
	Sajan Singh M.Sc. (IIT Delhi, 2013) sajansingh1507 [at] gmail.com Now: JRF at Textiles, IIT Delhi		Amitrajit Mukherjee JRF M.Sc. (IIT Delhi, 2013) Now: PhD student at IIT Bombay		Suraj Naskar M.Sc. (IIT Delhi, 2013) Now: PhD student at Leibnitz Univeristy, Hanover
	Manzoor Hussain M.Sc. (IITD, 2012) B.Sc. cys107104 [at] chemistry.iitd.ac.in		Preeti Verma M.Sc. (IITD, 2012) B.Sc. cys107091 [at] chemistry.iitd.ac.in
	Neelam Zaidi Research Associate (2009-2011) Ph.D (Aligarh) zaidi.neelam [at] gmail.com Present position: Assistant Professor at Fiji National University
	Ankur M.Sc. (IITD, 2011) cyz118189 [at] chemistry.iitd.ac.in		Rusha Sugata Chatterjee M.Sc. (IITD, 2011) B.Sc. ( St. Stephens College, Delhi University) rushachatterjee [at] gmail.com Present position: Graduate student at Univeristy of Notre Dame, USA
	Jyoti Jain M.Tech. (IITD, 2010) M.Sc. (Rajasthan University) jyoti.jain123 [at] gmail.com
	Shuchi Gupta M.Sc. (IITD, 2010) B.Sc. (Hindu College, Delhi University) shuchi.iitd [at] gmail.com Present position: Graduate student at City University of Hong Kong		Rakesh Sarkar M.Sc. (IITD, 2010) B.Sc. (University of North Bengal) roxy78881 [at] yahoo.com
	Indu Kaul M.Sc. (IITD, 2009) 2008-2009: M.Sc. Project cys070070 [at] mail2.iitd.ac.in Present position: Ph.D. scholar at IISER, Pune		Vaishakhi Mohanta M.Sc. (IITD, 2009) 2008-2009: M.Sc. Project cys070076 [at] mail2.iitd.ac.in Present position: Ph.D. scholar at SSCU, IISc, Bangalore