41. S. Panguluri, E. Jourdain, P. Chakraborty, S. Klyatskaya, M. M. Kappes, A. M. Nonat, L. J. Charbonnière, M. Ruben, Yb to Eu cooperative sensitization upconversion in a multifunctional molecular nonanuclear lanthanide cluster in solution, J. Am. Chem. Soc., 2024, 146, 13083–13092 .  (doi.org/10.1021/jacs.3c14527)

40. P. Bose, K. K. Ramankutty, P. Chakraborty, E. Khatun, T. Pradeep, A concise guide to chemical reactions of atomically precise noble metal nanoclusters, Nanoscale, 2024, 16, 1446-1470. (doi.org/10.1039/D3NR05128E) 

39. P. Chakraborty,* S. Malola, P. Weis, M. Neumaier, E. K. Schneider, H. Häkkinen,* M. M. Kappes,* Tailoring vacancy defects in isolated atomically precise silver clusters through mercury-doped intermediates, J. Phys. Chem. Lett. 2023, 14, 11659–11664. (doi.org/10.1021/acs.jpclett.3c02866)

38. P. Chakraborty,* S. Malola, M. Neumaier, P. Weis, H. Häkkinen,* M. M. Kappes*, Elucidating the structures of intermediate fragments during stepwise dissociation of monolayer-protected silver clusters, Angew. Chem. Int. Ed. 2023, 62, e202305836. (doi.org/10.1002/anie.202305836 )

37. P. Chakraborty,* M. Neumaier, P. Weis, M.M. Kappes,* Exploring isomerism in isolated cyclodextrin oligomers through trapped ion mobility mass spectrometry, J. Am. Soc. Mass Spectrom. 2023, 34, 676–684. (doi.org/10.1021/jasms.2c00351 )  

36. A. Chakraborty, M. M. Stanley, B. Mondal, M. Bodiuzzaman, P. Chakraborty, MP Kannan, T. Pradeep, Tunable reactivity of silver nanoclusters: A facile route to synthesize a range of bimetallic nanostructures, Nanoscale, 2023, 15, 2690-2699.   (doi.org/10.1039/D2NR06350F )

35. A. Jana, M. Jash, W. A. Dar, J. Roy, P. Chakraborty, G. Paramasivam, S. Lebedkin, K. Kirakci, S. Manna, S. Antharjanam, J. Machacek, M. Kucerakova, S. Ghosh, K. Lang, M. M Kappes, T. Base, T. Pradeep, Carborane-thiol protected copper nanoclusters: stimuli-responsive materials with tunable phosphorescence, Chem. Sci., 2023, 14, 1613-1626. (doi.org/10.1039/D2SC06578A )  

34. M. Jash, A. Jana, A.K Poonia, E. Khatun, P. Chakraborty, A. Nagar, T. Ahuja, KV Adarsh, T. Pradeep, Phosphine-protected atomically precise silver–gold alloy nanoclusters and their luminescent superstructures, Chem. Mater.  2023, 35, 1, 313–326. (doi.org/10.1021/acs.chemmater.2c03222 )

33. C. Hu, T. Jochmann, P. Chakraborty, M. Neumaier, P. A. Levkin, M. M. Kappes and F. Biedermann, Further dimensions for sensing in biofluids: Distinguishing bioorganic analytes by the salt-induced adaptation of a cucurbit[7]uril-based chemosensor, J. Am. Chem. Soc. 2022, 144, 13084–13095. (doi.org/10.1021/jacs.2c01520 )

32. J. Roy,‡ P. Chakraborty, ‡ G. Paramasivam, G. Natarajan and T. Pradeep, Gas phase ion chemistry of titanium–oxofullerene with ligated solvents, Phys. Chem. Chem. Phys. 2022, 24, 2332-2343 (‡contributed equally). (doi.org/10.1039/D1CP04716G )

31. A. C. Venu, R. N. Din, T. Rudszuck, P. Picchetti, P. Chakraborty, A. K. Powell, S. Krämer, G. Guthausen and M. Ibrahim, NMR relaxivities of paramagnetic lanthanide-containing polyoxometalates, Molecules 2021, 26, 7481. (10.3390/molecules26247481)

30. M. Neumaier, A. Baksi, P.Weis, E. K. Schneider, P. Chakraborty, H. Hahn, T. Pradeep and M. M. Kappes, Kinetics of intercluster reactions between atomically precise noble metal clusters [Ag25(DMBT)18]− and [Au25(PET)18]− in room temperature solutions, J. Am. Chem. Soc. 2021, 143, 6969-6980. (doi.org/10.1021/jacs.1c01140)

29. A. Jana, M. Jash, A. K. Poonia, G. Paramasivam, R. Islam, P. Chakraborty, S. Antharjanam, J. Machacek, S. Ghosh, K. N. V. D. Adarsh, T. Base and T. Pradeep, Light-activated intercluster-conversion of an atomically precise silver nanocluster, ACS Nano 2021, 15, 15781-15793 (doi.org/10.1021/acsnano.1c02602)

28. P. Chakraborty, P. Bose, J. Roy, A. Nag, B. Mondal, A. Chakraborty and T. Pradeep, Isotopic exchange of atomically precise nanoclusters with materials of varying dimensions: From nanoscale to bulk, J. Phys. Chem. C 2021, 125, 16110-16117. (doi.org/10.1021/acs.jpcc.1c02264)

27. P. Bose, P. Chakraborty, J. S. Mohanty, A. R. Chowdhuri, E. Khatun, T. Ahuja, A. Mahendranath and T. Pradeep, Atom transfer between precision nanoclusters and polydispersed nanoparticles: A facile route for monodisperse alloy nanoparticles and their superstructures, Nanoscale 2020, 43, 22116-22128. (doi.org/10.1039/D0NR04033A)

26. A. Jana, P. Chakraborty, W. A. Dar, S. Chandra, E. Khatun, MP Kannan, R. HA Ras and T. Pradeep, Dual emitting Ag35 nanocluster protected by 2-pyrene imine thiol, Chem. Commun. 2020, 56, 12550-12553. (doi.org/10.1039/D0CC03983G)

25. M. Jash, E. Khatun, P. Chakraborty, C. Sudhakar and T. Pradeep, [Ag15H13(DPPH)5]2+ and [Ag27H22(DPPB)7]3+: Two new hydride and phosphine co-protected clusters and their fragmentation leading to naked clusters, Ag13+ and Ag25+, J. Phys. Chem. C 2020, 124, 20569–20577. (doi.org/10.1021/acs.jpcc.0c05867)

24. A. Nag, P. Chakraborty, A. Thacharon, G. Paramasivam, B. Mondal, M. Bodiuzzaman and T. Pradeep, Atomically precise noble metal cluster-assembled superstructures in water: Luminescence enhancement and sensing, J. Phys. Chem. C 2020, 124, 22298–22303. (doi.org/10.1021/acs.jpcc.0c06770)

23. P. Chakraborty, A. Nag, B. Mondal, E. Khatun, Ganesan Paramasivam and Thalappil Pradeep, Fullerene-mediated aggregation of M25(SR)18– (M = Ag, Au) nanoclusters, J. Phys. Chem. C 2020, 124, 14891–14900. (doi.org/10.1021/acs.jpcc.0c03383)

22. E. Khatun, P. Chakraborty, B. Jacob, G. Paramasivam, M. Bodiuzzaman, W. Dar and, T. Pradeep, Intercluster reactions resulting in silver-rich trimetallic nanoclusters, Chem. Mater. 2019, 32, 611-619. (doi.org/10.1021/acs.chemmater.9b04530)

21. P. Chakraborty and T. Pradeep, The emerging interface of mass spectrometry with materials, NPG Asia Mat. 2019, 11:48. (doi.org/10.1038/s41427-019-0149-3)

20. P. Chakraborty, A. Nag, K. S. Sugi, T. Ahuja, B. Varghese and T. Pradeep, Crystallization of a supramolecular co-assembly of an atomically precise nanoparticle with a crown ether, ACS Materials Lett. 2019, 1, 534-540. (doi.org/10.1021/acsmaterialslett.9b00352)

19. E. Khatun, M. Bodiuzzaman, K. Sugi, P. Chakraborty, G. Paramasivam, W. A. Dar, T. Ahuja, S. Antharjanam and T. Pradeep, Confining an Ag10 core in an Ag12 shell: A four-electron superatom with enhanced photoluminescence upon crystallization, ACS Nano 2019, 13, 5753-5759. (doi.org/10.1021/acsnano.9b01189)

18. P. Chakraborty, A. Nag, G. Natarajan, N. Bandyopadhyay, G. Paramasivam, M. K. Panwar, J. Chakrabarti and T. Pradeep, Rapid isotopic exchange in nanoparticles, Sci. Adv. 2019, eaau7555. (10.1126/sciadv.aau7555)

17. P. Chakraborty, A. Nag, A. Chakraborty and T. Pradeep, Approaching materials with atomic precision using supramolecular cluster assemblies, Acc. Chem. Res. 2019, 52, 2-11. (10.1021/acs.accounts.8b00369)

16. A. Nag, P. Chakraborty, G. Paramasivam, M. Bodiuzzaman, G. Natarajan and T. Pradeep, Isomerism in supramolecular adducts of atomically precise nanoparticles, J. Am. Chem. Soc. 2018, 140, 13590-13593. (doi.org/10.1021/jacs.8b08767)

15. E. Khatun, A. Ghosh, P. Chakraborty, P. Singh, M. Bodiuzzaman, G. Paramasivam, G. Nataranjan, J. Ghosh, S. K. Pal and T. Pradeep, Thirty-fold photoluminescence enhancement induced by secondary ligands in monolayer protected silver clusters, Nanoscale 2018, 10, 20033-20042. (doi.org/10.1039/C8NR05989F)

14. K. Hirata, P. Chakraborty, A. Nag, S. Takano, K. Koyasu, T. Pradeep, and T. Tsukuda, Interconversions of structural isomers of [PdAu8(PPh3)8]2+ and [Au9(PPh3)8]3+ revealed by ion mobility mass spectrometry, J. Phys. Chem. C.  2018, 40, 23123-23128. (doi.org/10.1021/acs.jpcc.8b04722)

13. A. Baksi,‡ P. Chakraborty,‡ A. Nag, D. Ghosh, S. Bhat and T. Pradeep, Monolayer protected noble metal clusters as potential standards for negative ion mass spectrometry, Anal. Chem. 2018, 90, 11351−11357 (‡contributed equally). (doi.org/10.1021/acs.analchem.8b02280)

12. S. Bhat, R. Narayanan, A. Baksi, P. Chakraborty, G. Paramasivam, R. Methikkalam, A. Nag, G. Natarajan and T. Pradeep, Detection of [Au25(PET)18(O2)n]- (n=1,2,3) species by mass spectrometry, J. Phys. Chem. C., 2018, 122, 19455–19462. (doi.org/10.1021/acs.jpcc.8b03220)

11. A. Nag, P. Chakraborty, G. Natarajan, A. Baksi, S. K. Mudedla, V. Subramanian and T. Pradeep, Bent keto form of curcumin, preferential stabilization of enol by piperine, and isomers of curcumin∩cyclodextrin complexes: Insights from ion mobility mass spectrometry, Anal. Chem. 2018, 90, 8776–8784.(10.1021/acs.analchem.7b05231)

10. A. Nag, P. Chakraborty, M. Bodiuzzaman, T. Ahuja, P. K. S. Antharjanam and T. Pradeep, Polymorphism of [Ag29(BDT)12(TPP)4]3- cluster: Interactions of secondary ligands and their effect on solid state luminescence, Nanoscale, 2018, 10, 9851–9855. (doi.org/10.1039/C8NR02629G )

9. P. Chakraborty, A. Nag, G. Paramasivam, G. Natarajan and T. Pradeep, Fullerene functionalized monolayer protected silver clusters: [Ag29(BDT)12(C60)n]3- (n=1-9), ACS Nano 2018, 12, 2415–2425. (doi.org/10.1021/acsnano.7b07759 )

8. P. Chakraborty, A. Baksi, S. K. Mudedla, A. Nag, G. Paramasivam, V. Subramanian and T. Pradeep, Understanding proton capture and cation-induced dimerization of [Ag29(BDT)12]3- clusters by ion mobility mass spectrometry, Phys. Chem. Chem. Phys. 2018, 20, 7593-7603. (doi.org/10.1039/C7CP08181B)

7. P. Chakraborty, A. Baksi, E. Khatun, A. Nag, A. Ghosh and T. Pradeep, Dissociation of gas phase ions of atomically precise silver clusters reflects their solution phase stability, J. Phys. Chem. C 2017, 121, 10971-10981 (doi.org/10.1021/acs.jpcc.6b12485 ). 

6. A. Baksi, M. Bootharaju, P. Chhotaray, P. Chakraborty, B. Mondal, S. Bhat, R. Gardas and T. Pradeep, Reactivity of monolayer protected silver clusters towards excess ligand: A calorimetric study, J. Phys. Chem. C., 2017, 121, 26483–26492. (10.1021/acs.jpcc.7b07557)

5. A. Baksi, A. Ghosh, S. Mudedla, P. Chakraborty, S. Bhat, B. Mondal, K. R. Krishnadas, V. Subramanian and T. Pradeep, Isomerism in monolayer protected silver cluster ions: An ion mobility-mass spectrometry approach, J. Phys. Chem. C, 2017, 121, 13421-13427. (doi.org/10.1021/acs.jpcc.7b04559)

4. E. Khatun, A. Ghosh, D. Ghosh, P. Chakraborty, A. Nag, B. Mondal, S. Chennu and T. Pradeep, [Ag59(2,5-DCBT)32]3-: A new cluster and a precursor for three well-known clusters, Nanoscale 2017, 9, 8240-8248. (doi.org/10.1039/C7NR01670K )

3. A. Nag, A. Baksi, K. C. Krishnapriya, S. S. Gupta, B. Mondal, P. Chakraborty and T. Pradeep, Synergistic effects in green extraction of noble metals and its consequences, Eur. J. Inorg. Chem. 2017, 3072-3079. (doi.org/10.1002/ejic.201700182 )

2. A. Ghosh, D. Ghosh, E. Khatun, P. Chakraborty and T. Pradeep, Unusual reactivity of dithiol protected clusters in comparison to monothiol protected clusters: Studies using Ag51(BDT)19(TPP)3 and Ag29(BDT)12(TPP)4, Nanoscale 2016, 9, 1068–1077. (doi.org/10.1039/C6NR07692K)

1. A. Baksi,‡ P. Chakraborty,‡ S. Bhat,‡ G. Natarajan and T. Pradeep, [Au25(SR)18]22- : A noble metal cluster dimer in the gas phase, Chem. Commun. 2016, 52, 8397-8400 (‡contributed equally). (doi.org/10.1039/C6CC03202H)