Department of Chemistry
IIT Bombay
SINGLE MOLECULE SPECTROSCOPY
AND DYNAMICS LABORATORY
(#SMSD Lab)
2023
66. Sensitized emission imaging allows nanoscale surface polarity mapping of α‑Synuclein amyloid fibrils
Mahato, J; Mukherjee, R; Bose, A; Mehra, S; Gadhe, L; Maji, S.K; Chowdhury, A;
ACS Chem. Neurosci. 2023, XXXX, XXX, XXX-XXX
65. Microscopic Perspective of Synergy between Localized Surface Plasmon Resonance and Disruption of Dye Aggregates in Metal Nanoparticle-Enhanced Fluorescence
Prakash, S; Behera, T; Datta, A; Chowdhury, A;
ACS Appl. Nano Mater. 2023, 6, 19, 17539–17547
64.Buried interface passivation of Perovskite solar sells by atomic layer deposition of Al2O3
Ghosh, S; Pariari, D; Behera, T; Boix, P; Ganesh, N; Basak, S; Vidhan, A; Sarda, N; Mora-Seró, I; Chowdhury, A; Narayan, K.S.; Sharma, D.D.; Sarkar S.K.;
ACS Energy Lett. (2023), 8, 4, 2058–2065
63. Photonically cured solution-processed SnO2 thin films for high efficiency and stable perovskite solar cells and minimodules
Sarda, N;Vidhan, A; Basak, S; Hazra, P; Behera, T; Sudeshna Ghosh, S; Choudhary, R.J.;Chowdhury, A; Sarkar, S.K.;
ACS Appl. Energy Mater. (2023), 6, 7, 3996–4006
62. Deciphering effective modes of communication between spatially-segregated photo-carriers leading to emission intermittency of entire micro-crystals
Pathoor, N; Chowdhury, A;
ACS Photonics (2023), 10, 1, 49-57
2022
61. Edge vs. Interior Mn(II) doping in 2D Layered Butyl Ammonium Lead Bromide Perovskite Single Crystal
Dutta, T; Kashid, S; Hooda, R; Sheikh, T; Chowdhury, A; Nag, A;
J. Phys. Chem. C (2022), 126, 49, 21109–21116
%20doping%20in%202D%20Layered%20Butyl%20Ammonium%20Lead%20Bromide%20Perovski.jpeg)
60. Unraveling the dual emission in single quantum-dots by single particle spectroscopy
Layek, A; Arora, V; Sapra, S; Chowdhury, A;
Journal of Physics: Conference Series (2022), 2349, 012026
59. Insights on anisotropic emission of (diffused) photo-carriers in hybrid perovskite microrods
Behera, T.; Chowdhury, A;
The Journal of Physical Chemistry C (2022), 126, 15819-15828
%20photo-carriers%20in%20hybrid%20perovskite.jpeg)
58. Deciphering modes of long-range energy transfer in perovskite crystals using confocal excitation and wide-field fluorescence spectral imaging
Behera, T.; Pathoor, N; Mukherjee, R.; Chowdhury, A;
Methods Appl. Fluoresc. 10 (2022) 044013
57. Investigating spatiotemporal correlation of multi-state photoluminescence intermittency in organo-Lead bromide microcrystal films
Pathoor, N;Mukherjee, A.; Chowdhury, A;
J. Phys. Chem. C (2022), 126, 13, 5991–5999
56. Spectrally-resolved FRET microscopy of α-synuclein phase-separated liquid droplets
Mahato, J; Ray, S; Maji, S.K; Chowdhury, A;
Methods in Molecular Biology (2022), 2551, 425-447
2021
55. Investigation of structural heterogeneity in individual amyloid fibrils using polarization-resolved microscopy
Mahato, J; Ray, K.K; Das, S; Kadu, P; Maji, S.K.; Chowdhury, A;
The Journal of Physical Chemistry B (2021), 125, 49, 13406–13414
54. Spatiotemporal solidification of α-synuclein inside the liquid droplets
Ray, S; Chatterjee, D; Mukherjee, S; Patel, K; Mahato, J; Kadam, S; Krishnan, R; Sawner, A.S; Poudyal, M; K Krishnamoorthy, G; Chowdhury, A; Padinhateeri, R; Maji, S.K;
bioRxiv (2021)
53. Influence of atmospheric constituents on spectral instability and defect-mediated carrier recombination in hybrid perovskite nanoplatelets
Mukherjee, A; Roy, M; Pathoor, N; Aslam, M; Chowdhury, A;
The Journal of Physical Chemistry C (2021),125, 31, 17133–17143
52. Tunable multiplexed whole-Cell biosensors as environmental diagnostics for ppb-Level detection of aromatic pollutants
Roy, R; Ray, S.; Chowdhury, A; Anand, R;
ACS Sensors (2021). 6, 1933-1939
51. Polarization-resolved single-molecule tracking reveals strange dynamics of individual fluorescent tracers through a plasticized (rubbery) polymer network
Mahato, J; Bhattacharya, S; Sharma, D.K; Chowdhury, A;
Physical Chemistry Chemical Physics (2021), 23, 10835–10840
50. Self-Assembly of nicotinic acid-conjugated selenopeptides into mesotubes
Gokula, R.P; Mahato, J; Tripathi, A; Singh, H.B; Chowdhury, A;
ACS Applied Bio Materials (2021), 4, 1912–1919
2020
49. α-Synuclein aggregation nucleates through liquid-liquid phase separation
Ray, S; Singh, N; Pandey, S; Kumar, R; Gadhe, L; Datta, D; Patel, K; Mahato, J; Navalkar, A; Panigrahi, R; Chatterjee, D; Maiti, S; Bhatia, S; Mehra, S; Singh, A; Gerez, J; Chowdhury, A; Kumar, A; Padinhateeri, R; Riek, R; Krishnamoorthy, G; Maji, S.K;
Nature Chemistry (2020), 12, 705–716
48. Cooperative supramolecular block copolymerization for the synthesis of functional axial organic heterostructures
Sarkar, A; Behera, T; Samal, R; Capelli, R; Empereur-mot, C; Mahato, J; Agasti, S.S; Pavan, G.M; Chowdhury, A; George, S.J;
Journal of the American Chemical Society (2020), 142, 11528–11539
47. Molecular intercalation and electronic two dimensionality in layered hybrid perovskites
Sheikh, T; Nawale, V; Pathoor, N; Phadnis, C; Chowdhury, A; Nag, A;
Angewandte Chemie, International Edition (2020), 59, 11653-11659
[selected very important paper]
46. Spatially correlated photoluminescence blinking and flickering of hybrid-halide perovskite micro-rods
Behera, T; Pathoor, N; Phadnis, C; Buragohain, S; Chowdhury, A;
Journal of Luminescence (2020), 223, 117202-117211
[special issue on perovskite luminescence]
45. Non-Gaussian subdiffusion of single-molecule tracers in a hydrated polymer network
Singh, R.K; Mahato, J; Chowdhury, A; Sain, A; Nandi, A;
The Journal of Chemical Physics (2020), 152, 024903
2019
44. Insights on heterogeneity in blinking mechanisms and non-ergodicity using sub-ensemble statistical analysis of single quantum-dots
Mukherjee, A; Ray, K.K; Phadnis, C; Layek, A; Chowdhury, A;
The Journal of Chemical Physics (2019), 151, 084701-11
43. Critical role of processing on the mechanical properties of cross-Linked highly loaded nanocomposites
Suresh, K; Chowdhury, A; Kumar, S.K; Kumaraswamy, G;
Macromolecules (2019), 52, 5955-5962
42. Reversible dimensionality tuning of hybrid perovskites with humidity: visualization and application to stable solar cells
Sharma, S.K; Phadnis, C; Das, T.K; Kumar, A; Kavaipatti, B; Chowdhury, A; Yella, A;
Chemistry of Materials (2019), 31, 3111-3117
2018
41. Self-assembly of penta-selenopeptides into amyloid fibrils
Gokula, R.P; Mahato, J; Singh, H.B; Chowdhury, A;
Chemical Communications (2018), 54, 11697-11700
40. Fluorescence blinking beyond nano‐confinement: Spatially synchronous intermittency of entire perovskite micro‐crystals
Pathoor, N; Halder, A; Mukherjee, A; Mahato, J; Sarkar, S.K; Chowdhury, A;
Angewandte Chemie International Edition (2018), 57,11603 –11607
39. Photoluminescence flickering of micron-sized crystals of methylammonium lead bromide: effect of ambience and light exposure
Halder, A; Pathoor, N; Chowdhury, A; Sarkar, S.K;
The Journal of Physical Chemistry C (2018), 122, 15133−15139
38. Single particle tracking to probe the local environment in ice-templated crosslinked colloidal assemblies
Suresh, K; Sharma, D.K; Chulliyil, R; Sarode, K.D; Ravi Kumar, V; Chowdhury, A; Kumaraswamy, G;
Langmuir (2018), 34, 4603-4616
2017
37. An approach to estimate spatial distribution of analyte within cells using spectrally-resolved fluorescence microscopy
Sharma, D.K; Irfanullah, M; Basu, S.K; Madhu, S; De, S; Ravikanth, M; Jadhav, S; Chowdhury, A;
Methods and Applications in Fluorescence (2017), 5, 014003-13
[Special issue on optics within life sciences (OWLS 2016)]
36. Heterogeneity in optical properties of near white-light emissive europium complex species revealed by spectroscopy of single nanoaggregates
Irfanullah, M; Sharma, D.K; Chulliyil, R; Layek, A; De, S; Chowdhury, A;
Chemical Physics Letters (2017), 667, 247-253
2016
35. Heterogeneity during plasticization of poly(vinylpyrrolidone): Insights from reorientational mobility of single fluorescent probes
Bhattacharya, S; Sharma, D.K; De, S; Mahato, J; Chowdhury, A;
The Journal of Physical Chemistry B (2016), 120, 1204-1215
34. Glycopolypeptide grafted bioactive polyionic complex vesicles (PICsomes) and their specific polyvalent interactions
Pandey, B; Mahato, J; Cotta, K.B; Das, S; Sharma, D.K; Gupta, S.S; Chowdhury, A;
ACS Omega (2016), 1(4), 600-612
33. Palladium nanoparticles supported on fibrous silica (KCC-1-PEI/Pd): a sustainable nanocatalyst for decarbonylation reactions
Kundu, P.K; Dhiman, M; Modak, A; Chowdhury, A; Polshettiwar,V; Maiti, D;
ChemPlusChem (2016), 81, 1142-1146
32. Sensitized luminescence from water-soluble LaF3:Eu nanocrystals via partially-caped 1,10-phenanthroline: time-gated emission and multiple lifetimes
Irfanullah, M; Bhardwaj, N; Chowdhury, A;
Dalton Transactions (2016), 45, 12483-12495
31. Synthesis of rare-earth doped ZnO nanorods and their defect-dopant correlated enhanced visible-orange luminescence
Layek, A; Banerjee, S; Manna, B; Chowdhury, A;
RSC Advances (2016), 6, 35892-35900
30. Manifestations of varying grading level in CdSe/ZnSe core-shell nanocrystals
Sonawane, K.G; Agarwal , K.S; Phadnis, C; Sharma, D.K; Layek, A; Chowdhury, A; Mahamuni, S;
The Journal of Physical Chemistry C (2016), 120, 5257–5264
2015
29. Colloidal CsPbBr3 perovskite nanocrystals: Luminescence beyond traditional quantum dots
Swarnkar, A; Chulliyil, R; Ravi, V.K; Irfanullah, M; Chowdhury, A; Nag, A;
Angewandte Chemie International Edition (2015), 54 (51), 15424-15428.
[selected hot paper]
28. Pseudohalide (SCN-)-doped MAPbI3 perovskites: a few surprises
Halder, A; Chulliyil, R; Subbiah, A.S; Khan, T; Chattoraj, S; Chowdhury, A; Sarkar, S.K;
The Journal of Physical Chemistry Letters (2015), 6(17), 3483-3489
27. Self healing hydrogels composed of amyloid nano fibrils for cell culture and stem cell differentiation
Jacob, R.S; Ghosh, D; Singh, P.K; Basu, S.K; Jha, N.N; Das, S; Sukul, P.K; Patil, S; Sathaye, S; Kumar, A; Chowdhury, A; Malik, S; Sen, S; Maji, S;
Biomaterials (2015), 54, 97-105
26. Bioactive polymersomes self-assembled from amphiphilic PPO-Glycopolypeptides: Synthesis, characterization and dual-dye encapsulation
Das, S; Sharma, D.K; Chakrabarty, S; Chowdhury, A; Gupta, S.S;
Langmuir (2015), 31, 3402-3412
25. Fluorescent probe for detection of cyanide ion in aqueous medium: cellular uptake and assay for β-Glucosidase and hydroxynitrile lyase
Agarwalla, H; Gangopadhyay, M; Sharma, D.K; Basu, S.K; Jadhav, S; Chowdhury, A; Das, A;
J. Mater. Chem. B (2015), 3, 9148-9156
24. Europium-doped LaF3 nanocrystals with organic 9-oxidophenalenone capping ligands that display visible light excitable steady-state blue and time-delayed red emission
Irfanullah, M; Sharma, D.K; Chulliyil, R; Chowdhury, A;
Dalton Transactions (2015), 44, 3082-3091
2014
23. Probing differential hydration of poly(vinylpyrrolidone) thin films using tracer mobility: an insight from fluorescence correlation spectroscopy
Bhattacharya, S; Dey, A; Chowdhury, A;
The Journal of Physical Chemistry B (2014), 118, 5240-5249
22. Spectrally resolved optical microscopy using a transmission grating spectrograph: Importance of spatial selection
Sharma, D.K; Chowdhury, A;
Analyst (2014), 139, 473-481
2013
21. Sensing Hg(II) in vitro and in vivo using a benzimidazole substituted BODIPY
Madhu, S; Sharma, D.K; Basu, S.K; Jadhav, S; Chowdhury, A; Ravikanth, M;
Inorganic Chemistry (2013), 52, 11136-11145
20. Plasticization of poly(vinylpyrrolidone) thin films under ambient humidity: Insight from single-molecule tracer diffusion dynamics
Bhattacharya, S; Sharma, D.K; Saurabh, S; De, S; Sain, A; Nandi, A; Chowdhury, A;
The Journal of Physical Chemistry B (2013), 117, 7771-7782
19. Ultranarrow and widely tunable Mn2+-induced photoluminescence from single Mn-doped nanocrystals of ZnS-CdS alloys
Hazarika, A; Layek, A; De, S; Nag, A; Debnath, S; Mahadevan, P; Chowdhury, A; Sarma, D.D;
Physical Review Letters (2013), 110, 26740
2012
18. Quantum-confined stark effect in localized luminescent centers within InGaN/GaN quantum-well based light emitting diodes
De, S; Layek, A; Bhattacharya, S; Das, D.K; Kadir, A; Bhattacharya, A; Dhar, S; Chowdhury, A;
Applied Physics Letters (2012), 101, 121919
17. Carrier recombination dynamics through defect states of ZnO nanocrystals: From nanoparticles to nanorods
Layek, A; Manna, B; Chowdhury, A;
Chemical Physics Letters (2012), 539-540, 33-138
16. A generalized three-stage mechanism of ZnO nanoparticle formation in homogeneous liquid medium
Layek, A; Mishra, G; Sharma, A; Spasova, M; Dhar, S; Chowdhury, A; Bandopadhyaya, R;
The Journal of Physical Chemistry C (2012), 116, 24757-24769
2011
15. Optoelectronic behaviors and carrier dynamics of individual localized luminescent centers in InGaN quantum-well light emitting diodes
De, S; Das, D; Layek, A; Raja, A; Singh, M.K; Bhattacharyya, A; Dhar, S; Chowdhury, A;
Applied Physics Letters (2011), 99, 251911
[selected for Virtual Journal of Nanoscale Science & Technology, January 9, 2012 issue Vjnano]
14. Two Distinct Origins of Highly Localized Luminescent Centers within InGaN/GaN Quantum-Well Light-Emitting Diodes
De, S; Layek, A; Raja, A; Kadir, A; Gokhale, M; Bhattacharya, A; Dhar, S; Chowdhury, A;
Advanced Functional Materials (2011), 21, 3828-3835
[Selected as front-piece highlight article for the issue (inner cover)]
13. ZnO nanocrystals in strong confinement regimes: Insight on relaxation dynamics of defect states responsible for the visible luminescence
Layek, A; Chowdhury, A;
International Journal of Nanoscience (2011), 10, 681-685
12. Polarity selective etching: A self-assisted route for fabricating high density of c-axis oriented tapered GaN nanopillars
Ghosh, A; Bhasker, H.P; Mukherjee, A; Kundu, T; Singh, B.P; Dhar, S; De, S; Chowdhury, A;
Journal of Applied Physics (2011), 110, 033528
11. Spectrally Resolved Photoluminescence Imaging of ZnO Nanocrystals at Single-Particle Levels
Layek, A; De, S; Thorat, R; Chowdhury, A;
The Journal of Physical Chemistry Letters (2011), 2, 1241-1247
2010 & before..
10. Dynamic Basis for One-Dimensional DNA Scanning by the Mismatch Repair Complex Msh2-Msh6
J. Gorman, A. Chowdhury, J. A. Surtees, J. Shimada, D. R. Reichman, E. Alani, E. C. Greene,
Mol. Cell 2007, 28(3), 359
9. Self-Organized Perylene Diimide Nanofibers
P. Yan, A. Chowdhury, M. W. Holman, D. M. Adams,
J. Phys. Chem. B 2005, 109(2), 724-730
8. Molecular Switch Based on a Biologically Important Redox Reaction
P. Yan, M.W. Holman, P. Robustelli, A.Chowdhury, F.I. Ishak,; D.M. Adams,
J. Phys. Chem. B 2005, 109(1), 130-137
7. Stark Spectroscopy of Size-Selected Helical H-Aggregates of a Cyanine Dye Templated by Duplex DNA. Effect of Exciton Coupling on Electronic Polarizabilities
A. Chowdhury, L. Yu, I. Raheem, L. Peteanu, L. A. Liu, D. J. Yaron,
J. Phys. Chem. A 2003, 107(18), 3351
6. The Electronic Properties of a Model Active Site for Blue Copper Proteins as Probed by Stark Spectroscopy
A. Chowdhury, L.A.Peteanu, P.L. Holland, W.B. Tolman,
J. Phys. Chem. B 2002, 106 (11), 3007-3012
5. Stark Spectroscopic Studies of Blue Copper Proteins: Azurin
A. Chowdhury, L.A. Peteanu, M.A. Webb, G.R. Loppnow,
J. Phys. Chem. B 2002 , 105 (2), 527-534
4. Characterization of Chiral H and J Aggregates of Cyanine Dyes Formed by DNA Templating Using Stark and Fluorescence Spectroscopies
A. Chowdhury, S. Wachsmann-Hogiu, P. R. Bangal, I. Raheem, L. A. Peteanu,
J. Phy. Chem. B 2001, 105, 12196-12201
3. Matrix and Temperature Effects on the Electronic Properties of Conjugated Molecules: An Electroabsorption Study of all-trans-Retinal
S.A. Locknar, A. Chowdhury, L.A. Peteanu,
J. Phys. Chem. B 2000, 104 (24), 5816-5824
2. Effects of Matrix Temperature and Rigidity on the Electronic Properties of Solvatochromic Molecules: Electroabsorption of Coumarin 153
A. Chowdhury, S. A. Locknar, L. L. Premvardhan, L. A. Peteanu,
J. Phy. Chem. A 1999, 103(48), 9614-9625
1. Ground and Excited State Intramolecular Proton Transfer in Salicylic Acid: an Ab Initio Electronic Structure Investigation
S. Maheshwari, A. Chowdhury, N. Sathyamurthy, H. Mishra, H.B. Tripathi, M. Panda, J. Chandrasekhar
J. Phys. Chem. A, 1999, 103 (31), 6257-6262