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Chemically Reversible Translational Moiré Superlattice Formations in the Two-Dimensional Films of the Zinc Phthalate Complex. Archismita Hajra and Arun Chattopadhyay.(2024) DOI: DOI: 10.1021/acs.jpclett.4c02284
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Moiré Superlattices of Zn2+ Mediated 2D Assembly of Mn2+-Cysteine Complex Nanoparticles Alter Electron Spin Transitions in the X-Band. Archismita Hajra and Arun Chattopadhyay.(2024) DOI: DOI: 10.1021/acs.chemmater.4c01779
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Magneto-Luminescent Two-Dimensional Nanosheets of Gadolinium and Gold Nanocluster Assemblies with Surface Molecular Functionalization for White Light Emission. Manideepa Paul and Arun Chattopadhyay.(2024) DOI: DOI: 10.1021/acs.jpclett.4c01888
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Room-Temperature Persistent Phosphorescence of Aggregated Gold Nanoclusters under Molecular Crystal Confinements. Arin Bhakat, Ujjala Dey and Arun Chattopadhyay.(2024) DOI: DOI: 10.1021/acs.jpclett.4c01352
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Distinction of Plasmonic Intrananoparticle and Internanoparticle Molecular Reaction Rates at the Three-Phase Contact Line of an Evaporating Sessile Droplet. Sujay Paul and Arun Chattopadhyay.(2024) DOI: DOI: 10.1021/acs.jpclett.4c01055
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Two-dimensional molecular moiré superlattices of tryptophan with visible photoluminescence for photo-activatable CO2 sensing and storage. Ujjala Dey and Arun Chattopadhyay. (2024), DOI: DOI: 10.1039/D4TC00050A
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Modulating the Photoluminescence of Europium through Crystalline Assembly Formation with Gold Nanoclusters and Then Phosphate Ions. Manideepa Paul and Arun Chattopadhyay. (2023), DOI: DOI: 10.1021/acs.jpcc.3c06029
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Single Phase Transition Leads to the Nanoparticle Deposition in an Evaporating Sessile Droplet. Sujay Paul and Arun Chattopadhyay. (2023), DOI: DOI: 10.1021/acs.jpcc.3c06029
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Molecular Cooperativity in the Intense Raman Scattering on the Surface of an Organic Molecular Microcrystal. Arin Bhakat and Arun Chattopadhyay. (2023), DOI: DOI: 10.1002/adom.202301776
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Moiré superlattices of two-dimensional copper nanocluster assemblies with tuneable twin emissions from hierarchical components leading to white light emission. Priya Das and Arun Chattopadhyay. (2023), DOI: DOI: 10.1039/D3TC02193A
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Dimension-Dependent Magnetic Behavior of Manganese-Cysteine Inorganic Complex Nanoparticles. Archismita Hajra and Arun Chattopadhyay. (2023), DOI: DOI: 10.1021/acs.langmuir.3c00531
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Molecular Specificity in the Intense Surface-Enhanced Raman Scattering on Copper(II) 8-Hydroxyquinoline Microcrystals. Arin Bhakat, Sujay Paul, and Arun Chattopadhyay. (2023), DOI: DOI: 10.1021/acs.jpcc.3c00032
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Living Gut Bacteria Functionalized with Gold Nanoclusters and Drug for Facile Cancer Theranostics. Debashree Debasmita, Siddhartha Sankar Ghosh and Arun Chattopadhyay. (2023), DOI: DOI: 10.1021/acsabm.2c00911
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Simultaneous Sensing of H2O, D2O and HOD through Peroxo Vibrations. (2022), DOI: DOI: 10.1002/cphc.202200684
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The Potential of Gadolinium Ascorbate Nanoparticles as a Safer Contrast Agent. (2022), DOI: DOI: 10.1021/acs.jpcb.2c05831
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Enhanced Chemical Stability in the Twisted Dodecagonal Stacking of Two-Dimensional Copper Nanocluster Assemblies. (2022), DOI: DOI: 10.1021/acs.jpclett.2c02300
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Dual Role of Au nanoparticles in the Catalytic Formation of an Amorphous Polynuclear Peroxo Complex and Surface Enhanced Resonance Raman Scattering. (2022), DOI: DOI: 10.1002/slct.202201569
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Hierarchical Passage of Gold Nanoclusters in Living Bacteria. (2022), DOI: DOI: 10.1021/acsabm.2c00315
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Delayed Dual Emission of Two-Dimensional Copper Nanocluster Assembly. (2022), DOI: DOI: 10.1021/acs.jpcc.1c07839
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Recognition and Ratiometric Visual Sensing of Long Chain Unsaturated Fatty Acids by White Light Emitting-Quantum Dot Complex. (2021), DOI: DOI: 10.1039/D1TC03167H
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Enhanced Solid-State Plasmon Catalyzed Oxidation and SERS Signal in the Presence of Transition Metal Cations at the Surface of Gold Nanostructures. (2021), DOI: DOI: 10.1039/D1CP02931B
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Complexation-Based Super Crystalline Assembly of Zinc Oxide Quantum Dots for Sensitive Carbon Dioxide Gas Sensing. (2021), DOI: DOI: 10.1021/acs.jpcc.1c02104.
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A Ratiometric and Visual Sensing of Phosphate by White Light Emitting Quantum Dot Complex. (2021), DOI: DOI: 10.1021/acs.langmuir.1c00194.
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Quercetin-Loaded Luminescent Hydroxyapatite Nanoparticles for Theranostic Application in Monolayer and Spheroid Cultures of Cervical Cancer Cell Line In Vitro. (2021), DOI: DOI: 10.1021/acsabm.1c00255.
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Ambient Complexation Reaction of Zinc Acetate and Ascorbic acid Leads to a New Form of Nanoscale Particles with Emergent Optical Properties. (2021), DOI: DOI: 10.1039/D1NA00023C.
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A dual-emitting quantum dot complex nanoprobe for ratiometric and visual detection of Hg2+ and Cu2+ ions. (2020), DOI: 10.1039/D0TC01788D.
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Toward Controlling Evaporative Deposition: Effects of Substrate, Solvent, and Solute. (2020), DOI: 10.1021/acs.jpcb.0c08045.
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Plasmon-Enhanced Chemical Reaction at the Hot Spots of End-to-End Assembled Gold Nanorods. (2020), DOI: 10.1021/acs.jpcc.9b08523.
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Complexation Reaction-Based Two-Dimensional Luminescent Crystalline Assembly of Atomic Clusters for Recyclable Storage of Oxygen. (2020), DOI: 10.1021/acs.langmuir.9b02177.
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Smartphone controlled interactive portable device for theranostics in vitro. (2019), DOI: 10.1016/j.bios.2019.111745.
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Copper Nanocluster-Doped Luminescent Hydroxyapatite Nanoparticles for Antibacterial and Antibiofilm Applications. (2019), DOI: 10.1021/acsomega.8b03076.
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Zinc Ion Induced Assembly of Crystalline Carbon Dots with Excellent Supercapacitor Performance. (2019), DOI: 10.1021/acs.jpcc.9b05820.
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Protein-Nanoparticle Agglomerates as Plasmonic-Magneto-Luminescent Multifunctional Nanocarrier for Imaging and Combination Therapy. (2019), DOI: 10.1021/acsabm.9b00210.
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Room Temperature Delayed Fluorescence of Gold Nanoclusters in Zinc Mediated Two-Dimensional Crystalline Assembly. (2019), DOI: 10.1021/acs.langmuir.9b00149.
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Boron Doped Carbon Dots with Unusually High Photoluminescence Quantum Yield for Ratiometric Intracellular pH Sensing. (2019), DOI: 10.1002/cphc.201900140.
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The Nature of Binding of Quinolate Complex on the Surface of ZnS Quantum Dot. (2019), DOI: 10.1039/C8CP06235H.
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Bimetallic Fe-Cu-Nanocomposites on Sand-Particles for Inactivation of Clinical Isolates and Point of Use Water Filtration. (2018), DOI: 10.1021/acsabm.8b00572.
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Synergistic Anticancer Potential of Artemisinin When Loaded with 8-Hydroxyquinoline-Surface Complexed-Zinc Ferrite Magnetofluorescent Nanoparticles and Albumin Composite. (2018), DOI: 10.1021/acsabm.8b00358.
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Point-of-Care-Testing of α-Amylase Activity in Human Blood Serum. (2018), DOI: 10.1016/j.bios.2018.09.097.
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Polyethylene Glycol-Encapsulated Histone Deacetylase Inhibitor Drug-Composite Nanoparticles for Combination Therapy with Artesunate. (2018)
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In Situ Synthesis of Luminescent Au NCs on a Bacterial Template for Rapid Detection, Quantification, and Distinction of Kanamycin-Resistant Bacteria. (2018), DOI: 10.1021/acsomega.8b00504.
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Surface Complexed-Zinc Ferrite Magnetofluorescent Nanoparticles for Killing Cancer Cells and Single Particle Level Cellular Imaging. (2018), DOI: 10.1021/acsanm.8b00545.
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Crystalline nanoscale assembly of gold clusters for reversible storage and sensing of CO2via modulation of photoluminescence intermittency. (2018), DOI: 10.1039/C8TC02225A.
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Single Platform for Gene and Protein Expression Analyses Using Luminescent Gold Nanoclusters. (2018), DOI: 10.1021/acsomega.7b01739.
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Synthesis of Single-particle Level White-Light-Emitting Carbon Dots via a One-Step Microwave method. (2018), DOI: 10.1039/C8TC01276H.
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Probing Cancer Cells through Intracellular Aggregation-Induced Emission Kinetic Rate of Copper Nanoclusters. (2018), DOI: 10.1021/acsami.8b05160.
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Complex Transfer Reaction from ZnO to ZnS Quantum Dots Driven by Surface Anions. (2018), DOI: 10.1021/acs.jpcc.8b01228.
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A White Light‐Emitting Quantum Dot Complex for Single Particle Level Interaction with Dopamine Leading to Changes in Color and Blinking Profile (2018), DOI: 10.1002/smll.201800323.
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Crystalline Assembly of Gold Nanoclusters for Mitochondria Targeted Cancer Theranostics. (2018), DOI: 10.1039/C7TB03254D.
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Phosphorous Induced Crystallinity in Carbon Dots for Solar Light Assisted Seawater Desalination (2018), DOI: 10.1039/C7TA10224K.
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An Interactive Quantum Dot and Carbon Dot Conjugate for pH-Sensitive and Ratiometric Cu2+ Sensing. Chem Phys Chem (2017) DOI: 10.1002/cphc.201601249.
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Gold Nanocluster Embedded Albumin Nanoparticles for Two-Photon Imaging of Cancer Cells Accompanying Drug Delivery, Small, DOI: 10.1002/smll.201500216.
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Synchronous Tricolor Emission-Based White Light from Quantum Dot Complex, J. Phys. Chem. Lett., 2015, 6 (7), 1270–1274
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Luminescent Carbon Dots for Logic Operations in Two Phases, ChemPhysChem. , 2015, 4, 723–727
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Induction of Electromotive Force by an Autonomously Moving Magnetic Bot, Angew. Chem. Int. Edi.(2014), DOI: 10.1002/anie.201309029
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Redox-Tuned Three-Color Emission in Double (Mn and Cu) Doped Zinc Sulfide Quantum Dots, JPC Lett. (2014), 5 (1), 126–130.
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Recovering hidden quanta of Cu2+-doped ZnS quantum dots in reductive environment, Nanoscale (2014) 6 (2), 953-961
Aspiration
We are interested in the broad areas of nanoscale science and technology involving synthesis, reaction and organization of nanoscale materials and their application in problems related to Chemistry and Biology.
Particularly, working with composite materials, chemical locomotion and in nanobiotechnology, we lay stress on understanding the fundamental working principles of these novel materials.
Latest News
PhD positions available
Interested candidates having CSIR/UGC JRF fellowship may apply through or may directly contact Prof. Arun Chattopadhyay at arun@iitg.ac.in.
Prof. Arun Chattopadhyay
Dept. of Chemistry & Centre for Nanotechnology
Indian Institute of Technology Guwahati
Assam-781039. Email ID: arun@iitg.ac.in
Phone: +91(361) 258 2304 (Office)
+91(361) 258 2333/4 (Lab)
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Designed by: Sunil Kumar Sailapu
Maintained by: Ujjala Dey
Last Updated on 24th September, 2023.