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Santanu Pradhan
Assistant Professor
santanu.pradhan[at]nt.iitr.ac.in
9832157955
Research Interests

Biosketch
Educational Details
Professional Background

Research
Projects
Publications
Patents
Books
Collaborations

Honours and Awards
Honors
Memberships

Teaching Engagements
Teaching Engagements

Students
Supervisions
Associate Scholars

Miscellaneous
Events
Visits
Administrative Positions
Miscellaneous
Research Interests
Colloidal quantum dot based opto-electronic devices, Infrared to visible photon up-conversion, Novel nanostructures for energy harvesting and light emission, Light management and recombination dynamics in nanoscale devices
BioSketch
Educational Details
University of Calcutta
2008
B. Sc, Physics
Indian Institute of Technology Kharagpur
2010
M. Sc, Physics
Indian Institute of Technology Kharagpur
2016
PhD, organic and hybrid photovoltaics
Professional Background
Postdoctoral fellow
10 Jan 2016 - 27 May 2021
ICFO
Research Engineer
14 Sep 2015 - 10 Jan 2016
ICFO
BASE fellow
02 Jun 2014 - 02 Dec 2014
University of Colorado at Boulder
Research
Projects
TOPIC START DATE FIELD DESCRIPTION FINANCIAL OUTLAY FUNDING AGENCY OTHER OFFICERS
Developing efficient colloidal quantum dot-based solid state light emitters in the short-wave infrared region of 1500 -1700 nm 26 Sep 2022 Nanotechnology 32.86 lakh SERB, Govt. of India
Efficient infrared to visible photon up-conversion through engineering at supra-nanocrystalline level 19 Dec 2021 Nanotechnology 20 lakh IITR




Publications
High efficiency colloidal quantum dot infrared light emitting diodes via engineering at the supra-nanocrystalline level
2019
S. Pradhan, F. Di Stasio, Y. Bi, S. Gupta, S. Christodoulou, A. Stavrinadis and G. Konstantatos | Springer Nature
Journal: Nature Nanotechnology Pages: 72-79 , Volumes: 14 ,
Achieving Ultra-Stable, Near-Unity Photoluminescence Quantum Yield Under Extreme Humidity and High Electric Field for CsPbBr3 Nanocrystals Through the Surface Attachment of ZnO Nanoparticles
2024
S. Kumar, A. Salunke, and S. Pradhan | ACS
Journal: ACS Appl. Opt. Mater. Pages: 128-138 , Volumes: 2 ,
Designing energetic landscape in the multi-bandgap lead sulphide colloidal quantum dots ensemble for efficient solar spectrum utilization
2024
A. Salunke, P. Kumar, S. Kohli, S. Pradhan | Elsevier
Journal: Solar Energy Pages: 112321 , Volumes: 269 ,
Highly Efficient, Bright and Stable Colloidal Quantum Dot Short-Wave Infrared Light Emitting Diodes
2020
S. Pradhan, M. Dalmases, A.-B. Baspinar, G. Konstantatos, | Wiley
Journal: Advanced functional Materials Pages: 2004445 , Volumes: 30 ,
Visible‐blind ZnMgO Colloidal Quantum Dot Downconverters expand Silicon CMOS Sensors Spectral Coverage into Ultraviolet and enable UV Band Discrimination
2022
Avijit Saha, Gaurav Kumar, Santanu Pradhan, Gauttam Dash, Ranjani Viswanatha, Gerasimos Konstantatos | Wiley
Journal: Advanced materials Pages: 2109498 , Volumes: 34 ,
Colloidal Quantum Dot Light Emitting Diodes at Telecom Wavelength with 18% Quantum Efficiency and Over 1 MHz Bandwidth
2022
S Pradhan, M Dalmases, N Taghipour, B Kundu, G Konstantatos | Willey
Journal: Advanced Science Pages: 2200637 , Volumes: 9 ,
Solid-state Thin-Film Broadband Short-wave Infrared Light Emitters
2020
S. Pradhan, M. Dalmasses, G. Konstantatos | Wiley
Journal: Advanced Materials Pages: 2003830 , Volumes: 32 ,
Low‐Threshold, Highly Stable Colloidal Quantum Dot Short‐Wave Infrared Laser enabled by Suppression of Trap‐Assisted Auger Recombination
2022
Nima Taghipour, Guy L Whitworth, Andreas Othonos, Mariona Dalmases, Santanu Pradhan, Yongjie Wang, Gaurav Kumar, Gerasimos Konstantatos | Wiley
Journal: Advanced materials Pages: 2107532 , Volumes: 34 ,
Single-Exciton Gain and Stimulated Emission Across the Infrared Optical Telecom Band from Robust Heavily-doped PbS Colloidal Quantum Dots
2020
S. Christodoulou, A. Othonos, I. Ramiro, A. Figueroba, M. Dalmases, O. Ozdemir, S. Pradhan, G. Itskos, G. Konstantatos | ACS
Journal: Nano Letters Pages: 5909–5915 , Volumes: 20 ,
Low-Cost RoHS Compliant Solution Processed Photovoltaics enabled by Ambient Condition Synthesis of AgBiS2 Nanocrystals
2020
M.Z. Akgul, A. Figueroba, S. Pradhan, Y. Bi, G. Konstantatos | ACS
Journal: ACS Photonics Pages: 588-595 , Volumes: 7 ,
Origin of the Below-Bandgap Turn-On Voltage in Light-Emitting Diodes and the High VOC in Solar Cells Comprising Colloidal Quantum Dots with an Engineered Density of States
2019
S. Pradhan, M. Dalmases, G. Konstantatos, | ACS
Journal: J. Phys. Chem. Lett. Pages: 3029-3034 , Volumes: 10 ,
Solution processed infrared- and thermophotovoltaics based on 0.7 eV bandgap PbS colloidal quantum dots
2019
Y. Bi, A. Bertran, S. Gupta, I. Ramiro, S. Pradhan, S. Christodoulou, S.-N. Majji, M. Z. Akgul, G. Konstantatos | RSC
Journal: Nanoscale Pages: 838-843 , Volumes: 11 ,
Colloidal quantum dot tandem solar cells using CVD graphene as an atomically thin intermediate recombination layer
2018
Y. Bi, S. Pradhan, M. Z. Akgul, S. Gupta, A. Stavrinadis, J. Wang, G. Konstantatos | ACS
Journal: ACS Energy Lett. Pages: 1753-1759 , Volumes: 3 ,
Infrared Solution-Processed Quantum Dot Solar Cells Reaching External Quantum Efficiency of 80% at 1.35 µm and Jsc in Excess of 34 mA cm-2
2018
Y. Bi*, S. Pradhan*, S. Gupta, M. Z. Akgul, A. Stavrinadis, G. Konstantatos (*equal contribution) | Wiley
Journal: Advanced materials Pages: 1704928 , Volumes: 30 ,
High-Open-Circuit-Voltage Solar Cells Based on Bright Mixed-Halide CsPbBrI2 Perovskite Nanocrystals Synthesized under Ambient Air Conditions
2018
S. Christodoulou, F. Di Stasio, S. Pradhan, A. Stavrinadis, G. Konstantatos | ACS
Journal: J. Phys. Chem C Pages: 7621-7626 , Volumes: 122 ,
Reducing Interface Recombination through Mixed Nanocrystal Interlayers in PbS Quantum Dot Solar Cells
2017
S. Pradhan, A. Stavrinadis, S. Gupta, G. Konstantatos | ACS
Journal: ACS Appl. Mater. Interfaces Pages: 27390-27395 , Volumes: 9 ,
Breaking the Open-Circuit Voltage Deficit Floor in PbS Quantum Dot Solar Cells through Synergistic Ligand and Architecture Engineering
2017
S. Pradhan, A. Stavrinadis, S. Gupta, S. Christodoulou, G. Konstantatos | ACS
Journal: ACS Energy Lett. Pages: 1444-1449 , Volumes: 2 ,
Trap-State Suppression and Improved Charge Transport in PbS Quantum Dot Solar Cells with Synergistic Mixed-Ligand Treatments
2017
S. Pradhan, A. Stavrinadis, S. Gupta, Y. Bi, F. Di Stasio, G. Konstantatos | Wiley
Journal: Small Pages: 1700598 , Volumes: 13 ,
Suppressing Deep Traps in PbS Colloidal Quantum Dots via Facile Iodide Substitutional Doping for Solar Cells with Efficiency >10%
2017
A. Stavrinadis, S. Pradhan, P. Papagiorgis, G. Itskos, G. Konstantatos | ACS
Journal: ACS Energy Letters Pages: 739-744 , Volumes: 2 ,
Solid-state colloidal CuInS2 quantum dot solar cells enabled by bulk heterojunctions
2016
D. So, S. Pradhan, G. Konstantatos | RSC
Journal: Nanoscale Pages: 16776-16785 , Volumes: 8 ,
Enhanced Performance with the Incorporation of Organo-metal Trihalide Perovskite in Nanostructured ZnO Solar Cell
2016
S. Kumar, S. Pradhan, A. Dhar | Elsevier
Journal: Procedia Engineering Pages: 1-6 , Volumes: 141 ,
MoO3 anode buffer layer for efficient and stable small molecular organic solar cells
2015
M.Y. Ameen, S. Pradhan, M.R. Suresh, V.S. Reddy | Elsevier
Journal: Optical Materials Pages: 134-139 , Volumes: 39 ,
Thermally evaporated fullerene (C70) to bridge the charge transport in between nanostructured zinc oxide and conjugated copolymer in hybrid solar cells
2014
S. Pradhan, S. Kumar, A. Dhar | IOP
Journal: Mater. Res. Express Pages: 25507 , Volumes: 1 ,
Enhanced performance of the nanostructured zinc oxide-conjugated polymer based hybrid solar cell with the application of a low band gap co-polymer
2014
S. Pradhan, S. Kumar, A. Dhar | ASP
Journal: Sci. Adv. Mater. Pages: 1702-1707 , Volumes: 6 ,
Low operating voltage n-channel organic field effect transistor using epoxy based photoresist gate dielectric
2014
S. Kumar, S. Pradhan, A. Dhar, | IOP
Journal: Mater. Res. Express Pages: 35103 , Volumes: 1 ,
Fabrication of N,N´-Dioctyl-3,4,9,10-perylenedicarboximide (PTCDI-C8) nanostructures through solvent influenced pi-pi stacking and their morphological impact on photovoltaic performance
2014
S. Pradhan, J. Redwine, J.T. McLeskey Jr., A. Dhar | Elsevier
Journal: Thin solid Films Pages: 423-429 , Volumes: 562 ,
Synthesis of vertically grown N,N´- Dioctyl-3,4,9,10-perylenedicarboximide nanostructure for photovoltaic application
2013
S. Pradhan, A. Dhar | AIP
Journal: J. renewable and sustainable energy Pages: 31611 , Volumes: 5 ,
Improvement of the efficiency of nanostructured zinc oxide/polymer based solar cell through incorporation of N,N Dioctyl-3,4,9,10-perylenedicarboximide nanoribbons as charge mediator
2013
S. Pradhan and A. Dhar | Elsevier
Journal: Synthetic Metals Pages: 116-120 , Volumes: 176 ,
Enhancing the performance of nanostructured zinc oxide/polymer-based hybrid solar cells using ammonia as a structural and interfacial modifier
2012
S. Pradhan, S. Karak, A. Dhar | IOP
Journal: J. Phys. D: Appl. Phys. Pages: 235104 , Volumes: 45 ,
The effects of different atmospheric conditions on device stability of organic small-molecule solar cells under constant illumination
2011
S. Karak, S. Pradhan, A. Dhar | IOP
Journal: Semicond. Sci. Technol Pages: 95020 , Volumes: 26 ,
Honors And Awards
Honors
IUSSTF and DST, Govt. of India
2014
Bhaskara Advanced Solar Energy (BASE) fellowship
IAPT
2008
National top 1% in NGPE
CSIR
2010
UGC-CSIR NET fellowship
IIT Kharagpur
2008
MCM fellowship
MemberShips
Royal Society of Chemistry
20 Dec 2022 - Present
member
American Chemical Society
22 Dec 2023 - Present
Member
Teaching Engagements
Teaching Engagements
Structural analysis of nanomaterials ( NTN-601 )
Autumn
Electronic properties and measurement techniques of nanomaterials ( NTN-605 )
Spring
Physics of Nanomaterials ( NTN- 604 )
Autumn
Laboratory methods ( NTN-505 )
Spring
Nanoscale Modeling and Simulation ( NTN- 504 )
Spring
Students
SuperVisions
Colloidal quantum dot based photovoltaics
27 Dec 2021 - 27 Dec 2026
Other Supervisors: , Scholar: Akshaykumar Salunke
Colloidal quantum dot based infrared to visible photon up converters
27 Dec 2021 - 27 Dec 2026
Other Supervisors: , Scholar: Parmod Kumar
Infrared light emitters based on colloidal quantum dot
26 Jul 2022 - 26 Jul 2027
Other Supervisors: , Scholar: Sarjeet
Miscellaneous
More information

https://santunrkmrc.wixsite.com/opto-nano