FRSC, FNASc, FASc, OSA Fellow, Director INST
FRSC, FNASc, FASc, OSA Fellow, Director INST On lien Department of Material Sciences, Indian Association for the cultivation of Science, Jadavpur, Kolkata 70032, India
E-mail:
amitava@inst.ac.inPersonal Webpage:
Personal WebpageGoogle Link:
Google LinkSubnanometer-sized metal nanoclusters (NCs) with diameters less than < 2 nm have emerged as promising materials in biomedical applications. Here we report the synthesis of near- infrared emitting (NIR) Au14 nanoclusters using a small therapeutic molecule D-penicillamine (DPA) as a surface stabilizing agent. We have characterized the morphology and composition of as-synthesized NCs using electron microscopy and mass spetrsometry techniques. The photophysics of the NCs was investigated using UV-Vis and photoluminescence (PL) spectroscopy. We found molecular like absorption features with three distinctive absorption bands at 390 nm, 456 nm, 590 nm, and a photoemission band at 696 nm. We found Au NCs specifically inhibited cancer cells in a dose-dependent manner through preferential uptake and imparting significant intracellular ROS. They did not show any acute toxicity in C57BL/6 mice at a dosage of 10 mg/Kg with predominant accumulation in the kidney at the end of 24 hours.
More info: Bain et al., ACS Sustainable Chemistry & Enigneering, 2022 (https://doi.org/10.1021/acssuschemeng.2c03605)
Our research interests include decay dynamics, energy transfer, and electron transfer of QD, Au nanoparticles, Au clusters, C-dots, semiconducting polymer, graphene and porphyrin based luminescent nanoparticles, and up- and down- converted luminescent materials for photonic applications.
Email: rashi.ph21201@inst.ac.in
Reg. No.: PH21201
Email: aarti.ph20257@inst.ac.in
Reg. No.: PH20257
Email: lipipuspa.ra202120@inst.ac.in
Reg. No.: RA-01-202120
Reg. No.: RA-01-202102
Designation: Post Docs/RA
Jan 2021 - Sep 2022
1.
Hot Carrier Cooling and Biexciton Dynamics of Anisotropic Shaped CsPbBr3 Perovskite Nanocrystals , Goutam Ghosh, Kritiman Marjit, Srijon Ghosh, and Amitava Patra , J. Phys. Chem. C , (2023) , 127, 31 , 15385–15394 , 10.1021/acs.jpcc.3c014412.
Atomically Precise Ni Nanoclusters for Improving Hydrogen Evolution Reaction Performance , Lipipuspa Sahoo, Aarti Devi, and Amitava Patra , ACS Sustainable Chem. Eng , (2023) , 11 , 4187−4196 , 10.1021/acssuschemeng.2c069993.
Experimental and computational insights into luminescence in atomically precise bimetallic Au6-nCun(MPA)5 (n=0-2) clusters , Aarti Devi, Harshita Seksaria, Dipankar Bain, Sarita Kolay, Rashi, Abir De Sarkar and Amitava Patra , Phys. Chem. Chem. Phys , (2023) , 25 , 9513–9521 , https://pubs.rsc.org/en/content/articlelanding/2023/cp/d2cp05120f4.
Europium Molybdate/Molybdenum Disulfide Nanostructures with Efficient Electrocatalytic Activity for Hydrogen Evolution Reaction , Debarati Ghosh, Monojit Ghosal Chowdhury, Rathindranath Biswas, Krishna Kanta Haldar, and Amitava Patra , ACS Appl. Nano Mater. , (2023) , (accepted) , 10.1021/acsanm.3c002975.
The Electronegativity of the Substituent on the Surface Motifs Influences the Ultrafast Relaxation Dynamics of Ag44(SR)304- Nanoclusters , Sarita Kolay, Subarna Maity, Sikta Chakraborty, Srijon Ghosh and Amitava Patra , J. Phys. Chem. C , (2023) , 127 , 3769−37776.
Impacts of CsPbBr3/PbSe Heterostructures on Carrier Cooling Dynamics on Low Carrier Density , Goutam Ghosh, Raju K Biswas, Kritiman Marjit, Srijon Ghosh, Arnab Ghosh, Swapan K Pati and Amitava Patra , Adv. Opt. Mater. , (2022) , 20030 , 107.
Ultrafast Relaxation Dynamics of Conjugated Polymer Nanoparticles by Tuning Their Interchain Interactions , Srijon Ghosh, Sandipan Chakraborty, Arnab Ghosh, Kritiman Marjit, Goutam Ghosh and Amitava Patra , ACS Sustainable Chemistry & Engineering , (2022) , 10.1021/acs.jpclett.2c012708.
Investigation of Carrier Dynamics of QDs Using Kinetic Model and Ultrafast Spectroscopy , Bikash Jana, Srijon Ghosh, Avisek Dutta, Alexander V. Baranov, Anatoly V. Fedorov and Amitava Patra , (2022) , 100126 (George Blasse issue) , Optical Materials: X 2021, 139.
Self-Assembled Metal Nanoclusters: Driving Forces and Structural Correlation with Optical Properties , Sarita Kolay, Dipankar Bain, Subarna Maity, Aarti Devi, Amitava Patra and Rodolphe Antoine , (2022) , 544 , Nanomaterials 2022, 12(3) , https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8838213/10.
Controlling Aggregation-Induced Emission in Bimetallic Gold-Copper Nanoclusters via Surface Motif Engineering , Sikta Chakraborty, Dipankar Bain, Subarna Maity, Sarita Kolay and Amitava Patra , (2022) , 2896-2904 , J. Phys. Chem. C 2022, 126 , 10.1021/acs.jpcc.1c1023711.
Silver Nanocluster/MoS2 Heterostructures for Hydrogen Evolution , Monojit Ghoshal Chowdhury, Lipipuspa Sahoo, Subarna Maity, Dipankar Bain, Ujjal K Gautam and Amitava Patra , (2022) , 7132-7141 , ACS Appl. Nano. Mater. 2022, 5, 5 , 10.1021/acsanm.2c0106912.
Impacts of Dopant and Post-Synthetic Heat-treatment on Carrier Relaxation of Cu2+ Doped CdSe Nanoplatelets , Anusri Medda, Avisek Dutta, Sumanta Sain, Srijon Ghosh, Indranil Sarkar and Amitava Patra , (2022) , 7739-7747 , J. Phys. Chem. C 2022, 126, 17 , 10.1021/acs.jpcc.2c0113513.
Evidence of Hot Charge Carrier Transfer in Hybrid CsPbBr3/Functionalized Graphene , Goutam Ghosh, Kritiman Marjit, Srijon Ghosh, Debarati Ghosh and Amitava Patra , (2022) , e202200172 , ChemNanoMat 2022, 814.
Modulating the Carrier Relaxation Dynamics in Heterovalently (Bi3+) Doped CsPbBr3 Nanocrystals , Kritiman Marjit, Goutam Ghosh, Raju K Biswas, Srijon Ghosh, Swapan K Pati and Amitava Patra , (2022) , 5431-40 , J. Phys. Chem. Lett. 2022, 13, 24 , 10.1021/acs.jpclett.2c0127015.
Unraveling the Effect of Single Atom Doping on the Carrier Relaxation Dynamics of MAg24n– Nanoclusters , Subarna Maity, Sarita Kolay, Srijon Ghosh, Sikta Chakraborty, Dipankar Bain and Amitava Patra , J. Phys. Chem. Lett. , (2022) , 13, 24 , 5581-88 , 10.1021/acs.jpclett.2c0133316.
2D CdSe/CdS Core-Shell Nanoplatelets for High-Performance Photodetectors , Avisek Dutta^, Anusri Medda^, Soubhik Ghosh, Sumanta Sain and Amitava Patra (^Contributed Equally) , ACS Appl. Nano Mater. , (2022) , 11679-88 , 8 , 10.1021/acsanm.2c0266317.
Penicillamine Capped Red-Emitting Gold Nanoclusters for Therapeutic Application , Dipankar Bain, Mimansa, Aarti Devi, Subarna Maity, Asifkhan Shanavas* and Amitava Patra* , (2022) , ACS Sustainable Chemistry & Engineering , 10.1021/acssuschemeng.2c0360518.
Charge Transfer Dynamics of Two-Dimensional Ruddlesden Popper Perovskite in the Presence of Short-Chain Aromatic Thiol Ligands , Debarati Ghosh, Kritiman Marjit, Goutam Ghosh, Srijon Ghosh and Amitava Patra , J.Phys. Chem. C 2022 , (2022) , 126, 34 , 14590-97 , 10.1021/acs.jpcc.2c0443919.
The Impact of Aggregation of Quaterthiophenes on the Excited State Dynamics , Srijon Ghosh, Bikash Jana, Arnab Ghosh, Dirk M. Guldi and Amitava Patra , (2021) , 3424−3430 , J. Phys. Chem. Lett. 2021, 12, 13 , 10.1021/acs.jpclett.1c0044020.
Hot Hole Cooling and Transfer Dynamics from Lead Halide Perovskite Nanocrystals Using Porphyrin Molecules , Goutam Ghosh, Kritiman Marjit, Srijon Ghosh, Arnab Ghosh, Raihan Ahammed, Abir De Sarkar and Amitava Patra , (2021) , 5859−5869 , J. Phys. Chem. C 2021, 125, 10 , 10.1021/acs.jpcc.0c1128921.
One-Dimensional Silver-Thiolate Cluster-Assembly: Effect of Argentophilic Interactions on Excited-State Dynamics , Anish Kumar Das, Subarna Maity, Turbasu Sengupta, Dinesh Bista, Arthur. C. Reber, Amitava Patra,* Shiv N. Khanna,* and Sukhendu Mandal* , (2021) , 2154−2159 , J. Phys. Chem. Lett. 2021, 12, 8 , 10.1021/acs.jpclett.0c0372822.
Implications of Relaxation Dynamics of Collapsed Conjugted Polymeric Nanoparticles for Light-Harvesting Applications , Arnab Ghosh, Srijon Ghosh, Goutam Ghosh, and Amitava Patra , (2021) , 14549-14563 , Phys. Chem. Chem. Phys. 2021 23, 27 , https://pubs.rsc.org/en/content/articlelanding/2021/cp/d1cp01618k23.
Recent Advances and Perspective on Colloidal Semiconductor Nanoplatelets for Optoelectronic Applications (Perspective) , Avisek Dutta, Anusri Medda, and Amitava Patra , (2021) , 20-30 , J. Phys. Chem. C 2021, 125, 1 , 10.1021/acs.jpcc.0c0941624.
Self-Assembly of Copper Nanoclusters: Isomeric Ligand Effect on Morphological Evolution , Sarita Kolay, Subarna Maity, Dipankar Bain, Sikta Chakraborty and Amitava Patra , (2021) , 5570-5575 , Nanoscale Adv. 2021, 3 , 10.1021/acsami.6b1391425.
Deciphering the Relaxation Mechanism of Red-Emitting Carbon Dots Using Ultrafast Spectroscopy and Global Target Analysis , Srijon Ghosh, Arnab Ghosh, Goutam Ghosh, Kritiman Marjit and Amitava Patra , (2021) , 8080-8087 , J. Phys. Chem. Lett. 2021, 12, 33 , 10.1021/acs.jpclett.1c0211626.
Role of Ligand on Photophysical Properties of Nanoclusters with fcc Kernel: A Case Study of Ag14(SC6H4X)12(PPh3)8 (X = F, Cl, Br) , Anish Kumar Das, Roopesh Mekkat, Subarna Maity, Akhil S. Nair, Subhrajyoti Bhandary, Rohit Bhowal, Amitava Patra*, Biswarup Pathak, Deepak Chopra* and Sukhendu Mandal* , (2021) , 19270-19277 , norg. Chem. 2021, 60 , 10.1021/acs.inorgchem.1c0308327.
Structural Analysis and Carrier Relaxation Dynamics of 2D CsPbBr3 Nanoplatelets , Kritiman Marjit, Goutam Ghosh, Srijon Ghosh, Sumanta Sain, Arnab Ghosh, and Amitava Patra , (2021) , 12214–12223, 125 Years of The Journal of Physical Chemistry Special Issue , J. Phys. Chem. C 2021, 125, 22 , 10.1021/acs.jpcc.1c0323628.
Electronic Band Structure and Ultrafast Carrier Dynamics of Two Dimensional (2D) Semiconductor Nanoplatelets (NPLs) in the Presence of Electron Acceptor for Optoelectronic Applications , Avisek Dutta,Anusri Medda, Rajesh Bera,Ashima Rawat,Abir De Sarkar*,Amitava Patra* , (2020) , 26434–26442 , J. Phys. Chem. C 2020, 124, 48 , 10.1021/acs.jpcc.0c0708329.
Electronic Structure Modulation of 2D Colloidal CdSe Nanoplatelets by Au25 Clusters for High-Performance Photodetector , Anusri Medda, Avisek Dutta, Dipankar Bain, Manish Kumar Mohanta, Abir De Sarkar, and Amitava Patra , (2020) , 19793–19801 , J. Phys. Chem. C 2020, 124, 36 , 10.1021/acs.jpcc.0c0477430.
Manipulation of the exciton diffusion length of conjugated polymer nanoparticles: role of electron and hole scavenger molecules , Arnab Ghosh, Bikash Jana, Ajeet Kumar, Srijon Ghosh, Amitava Patra , (2020) , 43: 1-8 , Bulletin of Materials Science , 10.1007/s12034-019-2035-631.
Revealing Complex Relaxation Processes of Collapsed Conjugated Polymer Nanoparticles in Presence of Different Shapes of Au Nanoparticles Using Global and Target Analysis , Arnab Ghosh, Srijon Ghosh, Goutam Ghosh, Bikash Jana, and Amitava Patra , (2020) , 26165-26173 , J. Phys. Chem. C 2020, 124, 48 , 10.1021/acs.jpcc.0c0887832.
Identification of Nonradiative Relaxation Processes in Alloy Nanocrystals , Rajesh Bera, Anusri Medda, Avisek Dutta, Sumanta Sain, and Amitava Patra* , (2020) , 124: 18823-18833 , The Journal of Physical Chemistry C , 10.1021/acs.jpcc.0c0572733.
Copper Nanocluster (Cu23 NC)-Based Biomimetic System with Peroxidase Activity , Subarna Maity, Dipankar Bain, Sikta Chakraborty, Sarita Kolay, and Amitava Patra , (2020) , 18335–18344 , ACS Sustainable Chem. Eng. 2020, 8, 49 , 10.1021/acssuschemeng.0c0743134.
Surface motifs regulated aggregation induced emission in gold–silver nanoclusters , Dipankar Bain, Subarna Maity, Amitava Patra , (2020) , 56: 9292-9295 , Chemical Communications , 10.1039/D0CC03565C35.
Observation and Analysis of Incoherent Second-Harmonic Generation in Gold Nanoclusters with Six Atoms , Renato Barbosa-Silva*, Manoel L. Silva-Neto, Dipankar Bain, Lucas Modesto-Costa, Tarciso Andrade-Filho, Vinícius Manzoni, Amitava Patra, and Cid B. de Araújo , (2020) , 124: 15440-15447 , The Journal of Physical Chemistry C , 10.1021/acs.jpcc.0c0339736.
Hybrid Nanostructures of 2D CdSe Nanoplatelets for High-Performance Photodetector Using Charge Transfer Process , Avisek Dutta, Anusri Medda, Rajesh Bera, Krishnendu Sarkar, Sumanta Sain, Praveen Kumar, and Amitava Patra* , (2020) , 3: 4717-4727 , ACS Applied Nano Materials , 10.1021/acsanm.0c0072837.
Global and Target Analysis of Relaxation Processes of Collapsed State of P3HT Polymer Nanoparticles , Arnab Ghosh,Srijon Ghosh,Goutam Ghosh,Bikash Jana,Amitava Patra , (2020) , 22: 2229—2237 , Physical Chemistry Chemical Physics , 10.1039/C9CP06600D38.
Investigation of Morphology-Controlled Ultrafast Relaxation Processes of Aggregated Porphyrin , Bodhisatwa Mondal, Rajesh Bera, Srijon Ghosh, Sandip K Nayak, Amitava Patra , (2020) , 21: 2196-2205 , CHEMPHYSCHEM , 10.1002/cphc.20200048239.
Ultrafast Carrier Dynamics in 2D CdSe Nanoplatelets–CsPbX3 Composites: Influence of the Halide Composition , Goutam Ghosh, Avisek Dutta, Arnab Ghosh, Srijon Ghosh, and Amitava Patra* , (2020) , 124: 10252-10260 , The Journal of Physical Chemistry C , 10.1021/acs.jpcc.0c0320640.
Influence of Shape on Carrier Relaxation Dynamics of CsPbBr3 Perovskite Nanocrystals , Goutam Ghosh,Bikash Jana,Sumanta Sain,Arnab Ghosh,Amitava Patra , (2019) , 21: 19318 - 19326 , Physical Chemistry Chemical Physics , 10.1039/C9CP03386F1.
Porphyrin-Based Functional Nanomaterials and Their Functionalities: Molecular Materials, Preparation, Characterization, and Applications , Editors: Sanjay Malhotra, Jordi Fraxedas, B. L. V. Prasad, CRC Handbook, 2017, pp.29-55 , (2020) , 10.1201/9781315118697-32.
Growth and Properties of Sulfide Semiconductor Nanostructures , Anuja Datta, Amitava Patra , (2017) , Encyclopedia of Semiconductor Nanotechnology, American Scientific Publishers, USA, 2017 Vol. 3, chapter 7, Page 235-251, Editor, Ahmad Umar3.
Doped Nanomaterials and Nanodevices, Ed. Wei Chen , Amitava Patra , (2010) , 1: 117-141 , American Scientific Publishers USA (California)4.
Advanced wet- chemical synthetic approaches to inorganic nanostructures , Amitava Patra , (2008) , 369-390. , Ed. P. David Cozzoli, Transworld Research Network5.
Trends in Optical Materials Research, Ed. O. G. Gardens , Amitava Patra , (2007) , Inc, NY, USA , Nova Science Publishers , 91-112Visiting Scientist: The Hebrew University, Israel (February 1998 to April 1998 )
Research Associate: University at Buffalo, USA (August 2000 to July 2002 )
Scientist: Central Glass & Ceramic Research Institute, India (August 1996 to July 2005 )
Associate Professor: Indian Association for the Cultivation of Science, Kolkata, India (August 2006 to July 2009 )
Professor: Indian Association for the Cultivation of Science, Kolkata, India (August 2010 to July 2013 )
‘MRSI-ICSC Materials Science Annual Prize’ for the year 2020
Fellow of the Optical Society of America (OSA), 2020.
National Prize for Research in Chemical Spectroscopy and Molecular Structure, 2019
Visiting Professor at ITMO University (St. Petersburg, Russia), 2019
Board member of the International Conference on Luminescence (ICL)
“C.N.R. Rao National Prize for Chemical Research award”-2014
“DAE-SRC Outstanding Investigators Award” 2012
A.V. Rama Rao Foundation Prize in Chemistry, 2012
AsiaNANO 2010 Award, Asian Conference on Nanoscience & Nanotechnology, Japan, 2010
CRSI Bronze Medal, Chemical Research Society, India, 2010
Ramanujan Fellowship, DST, 2007
MRSI Medal, Materials Research Society, India, 2006
Malaviya Award, The Indian Ceramic Society, 2005
Dr. R. L. Thakur Memorial Award, Indian Ceramic Society, 1997
Young Scientist Award, Indian Science Congress Association, 1997.
Fellow of the Indian Academy of Sciences (FASc), India, 2016.
Fellow of the National Academy of Sciences (FNASc), India, 2015.
Fellow of Royal Society of Chemistry (FRSC), 2014.
Fellow of the West Bengal Academy of Science and Technology, 2011.
Member of The Optical Society of America
Member of the American Physical Society