Dr. Naresh Kumar

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Selected Publications (For full publication list see Google Scholarcall_made)

1.      Y. Pandey, D. F. Abbott, V. Mougel, N. Kumar*, R. Zenobi* “Probing the Role of Environmental and Sample Characteristics in Gap Mode Tip-Enhanced Raman Spectroscopycall_made” Analytical Chemistry, 2023, 95, 23, 8869–8878

2.      D. Mrđenović, Z-.X. Tang, Y. Pandey, W. Su, Y. Zhang, N. Kumar*, R. Zenobi* “Regioselective Tip-Enhanced Raman Spectroscopy of Lipid Membranes with Sub-Nanometer Axial Resolutioncall_made” Nano Letters, 2023, 23, 9, 3939–3946

3.      K. R. Paton, K. Despotelis, N. Kumar, P. Turner, A. J. Pollard “On the use of Raman spectroscopy to characterize mass-produced graphene nanoplateletscall_made” Beilstein Journal of Nanotechnology, 2023, 14 (1), 509-521 

4.      D. Mrđenović, Z.-F. Cai, Y. Pandey, G. L. Bartolomeo, R. Zenobi*, N. Kumar* “Nanoscale chemical analysis of 2D molecular materials using tip-enhanced Raman spectroscopycall_made” Nanoscale, 2023, 15, 963-974

5.      Z.-F. Cai, N. Kumar, R. Zenobi, “Probing On-Surface Chemistry at the Nanoscale Using Tip-Enhanced Raman Spectroscopycall_made” CCS Chemistry, 2023, 5, 55-71

6.      S. Bienz, S. H. van Vreeswijk, Y. Pandey, G. Bartolomeo, B. M. Weckhuysen, R. Zenobi*, N. Kumar* “Probing coke formation during the methanol-to-hydrocarbon reaction on zeolite ZSM-5 catalyst at the nanoscale using tip-enhanced fluorescence microscopycall_made” Catalysis Science & Technology 2022, 12, 5795-5801

7.      Z.-F. Cai, J. P. Merino, W. Fang, N. Kumar*, J. O. Richardson, S. D. Feyter, R. Zenobi* “Molecular-Level Insights on Reactive Arrangement in On-Surface Photocatalytic Coupling Reactions Using Tip-Enhanced Raman Spectroscopycall_made” Journal of the American Chemical Society, 2022, 144, 538−546

8.      D. Mrđenović, W. Ge, N. Kumar*, R. Zenobi* “Nanoscale Chemical Imaging of Human Cell Membranes Using Tip-Enhanced Raman Spectroscopycall_made” Angewandte Chemie International Edition 2022, 61, e2022102

9.      D. Mrđenović, D. Abbott, V. Mougel, W. Su, N. Kumar*, R. Zenobi* “Visualizing Surface Phase Separation in PS-PMMA Polymer Blends at the Nanoscalecall_made” ACS Applied Material & Interfaces 2022, 14, 21, 24938–24945

10.   Z.-F. Cai, N. Kumar, R. Zenobi “Probing On-Surface Chemistry at the Nanoscale Using Tip-Enhanced Raman Spectroscopycall_made” CCS Chemistry 2022, DOI: 10.31635/ccschem.022.202202287

11.   Z.-F. Cai, T. Käser, N. Kumar, R. Zenobi “Visualizing On-Surface Decomposition Chemistry at the Nanoscale Using Tip-Enhanced Raman Spectroscopycall_made” Journal of Physical Chemistry Letters 2022, 13, 22, 4864–4870

12.   J. Shao, F. Chen, W. Su, N. Kumar, Y. Zeng, L. Wu, H.-W. Lu “Probing Nanoscale Exciton Funneling at Wrinkles of Twisted Bilayer MoS2 Using Tip-Enhanced Photoluminescence Microscopycall_made” Journal of Physical Chemistry Letters 2022, 13, 14, 3304–3309

13.   G. L. Bartolomeo, Y. Zhang, N. Kumar*, R. Zenobi* “Molecular Perturbation Effects in AFM-Based Tip-Enhanced Raman Spectroscopy: Contact versus Tapping Modecall_made” Analytical Chemistry, 2021, 93(46), 15358-15364

14.   W. Su*, N. Kumar*, H. Shu, O. Lancry, M. Chaigneau “In situ Visualization of Optoelectronic Behavior of Grain Boundaries in Monolayer WSe2 at the Nanoscalecall_made” The Journal of Physical Chemistry C, 2021, 125(48), 26883-26891

15.   Y. Pandey, N. Kumar*, G. Goubert, R. Zenobi* "Nanoscale Chemical Imaging of Supported Lipid Monolayers using Tip‐Enhanced Raman Spectroscopycall_made" Angewandte Chemie 2021, 133, 19189-19194

16.   W. Su*, A. Esfandiar, O. Lancry, J. Shao, N. Kumar*, M. Chaigneau* "Visualising structural modification of patterned graphene nanoribbons using tip-enhanced Raman spectroscopycall_made" Chemical Communications, 2021, 57, 6895-6898

17.   N. Kumar, S. Marchesini, T. Howe, L. Edwards, B. Brennan, A. J. Pollard "Nanoscale characterization of plasma functionalized graphitic flakes using tip-enhanced Raman spectroscopycall_made" The Journal of Chemical Physics, 2020, 153, 184708

18.   M. Race, A. Rae, J.-L. Vorng, R. Havelund, A. Dexter, N. Kumar et al. "Correlative Hyperspectral Imaging Using a Dimensionality-Reduction-Based Image Fusion Methodcall_made" Analytical Chemistry, 2020, 92, 10979-10988

19.   E. L. Legge, K. R. Paton, M. Wywijas, G. McMahon, R. Pemberton, N. Kumar et al. “Determining the level and location of functional groups on few-layer graphene and their effect on the mechanical properties of nanocompositescall_made” ACS Applied Materials & Interfaces, 2020, 12(11), 13481-13493

20.   N. Kumar, B. M. Weckhuysen, A. J. Wain, A. J. Pollard “Nanoscale chemical imaging using tip-enhanced Raman spectroscopycall_made” Nature Protocols 2019, 14, 1169-1193

21.   N. Kumar†, C. S. Wondergem†, A. J. Wain, B. M. Weckhuysen “Towards in situ nanoscale mapping of catalytic reactions in liquid phase using tip-enhanced Raman spectroscopycall_made” The Journal of Physical Chemistry Letters 2019,10, 1669-1675 (†Equal contribution)

22.   N. Kumar, S. Kalirai, A. J. Wain and B. M. Weckhuysen “Nanoscale chemical imaging of a single catalyst particle with tip-enhanced fluorescence microscopycall_made” ChemCatChem 2019, 11, 417-423

23.   W. Su†*, N. Kumar†*, A. Krayev, M. Chaigneau* “In situ topographical chemical and electrical imaging of carboxyl graphene oxide at the nanoscalecall_made” Nature Communications 2018, 9: 2891 (†Equal contribution)

24.   N. Kumar*, W. Su, F. A. Castro, B. M. Weckhuysen “Applications of Tip-enhanced Raman Spectroscopy: From Graphene to Catalysiscall_made” Nanoimaging and Nanospectroscopy 2018, 10726, 1072608

25.   N. Kumar, W. Su, M. Veselý, B. M. Weckhuysen, A. J. Pollard, A. J. Wain “Nanoscale chemical imaging of solid-liquid interfaces using tip-enhanced Raman spectroscopycall_made” Nanoscale, 2018, 10, 1815 - 1824

26.   N. Kumar*, A. Zoladek-Lemanczyk, A. Gilbert, S. M. Tuladhar, T. Kirchartz, B. C. Schroeder, I. McCulloch, J. Nelson, D. Roy, F. A. Castro* “Simultaneous topographical, electrical and optical microscopy of optoelectronic devices at the nanoscalecall_made” Nanoscale, 2017, 9, 2723-2731

27.   N. Kumar*, M. M. Drozdz, H. Jiang, D. M. Santos, D. J. Vaux “Nanoscale mapping of newly-synthesised phospholipid molecules in a biological cell using tip-enhanced Raman spectroscopycall_made” Chemical Communications, 2017, 53 (16), 2451-2454

28.   N. Kumar* and F. A. Castro “Molecular mapping beyond the diffraction limit using tip-enhanced optical spectroscopycall_made” Imaging & Microscopy 2017, 3, 34 – 36

29.   W. Su†, N. Kumar†, S. Mignuzzi, J. Crain, D. Roy “Nanoscale mapping of excitonic processes in single layer MoS2using tip-enhanced photoluminescence microscopycall_made” Nanoscale 2016, 8, 10564-10569 (†Equal contribution)

30.   W. Su†, N. Kumar†, N. Dai, D. Roy “Nanoscale chemical mapping of intrinsic defects in graphene using tip-enhanced Raman spectroscopycall_made” Chemical Communications 2016, 52, 8227-8230 (†Equal contribution)

31.   N. Kumar*, S. J. Spencer, A. J. Wain, D. Imbraguglio, A. Rossi, B. M. Weckhuysen, D. Roy*, “Extending the plasmonic lifetime of tip-enhanced Raman spectroscopy probescall_made” Physical Chemistry Chemical Physics 2016, 18, 13710-13716

32.   T. Hartman, C. S. Wondergem, N. Kumar, A. Berg, B. M. Weckhuysen “Surface- and tip-enhanced Raman spectroscopy in catalysiscall_made” The Journal of Physical Chemistry Letters 2016, 7, 1570-1584

33.   N. Kumar, B. Stephanidis, R. Zenobi, A. J. Wain, D. Roy  “Nanoscale mapping of catalytic activity using tip-enhanced Raman spectroscopycall_made” Nanoscale 2015, 7, 7133–7137

34.   S. Mignuzzi, N. Kumar, B. Brennan, I. S. Gilmore, D. R. Richards, A. J. Pollard, D. Roy  “Probing individual point defects in graphene via near-field Raman scatteringcall_made” Nanoscale 2015, 9, 19413-19418

35.   W. Su, N. Kumar, S. J. Spencer, N. Dai, D. Roy “Transforming bilayer MoS2into single-layer with strong photoluminescence using UV-ozone oxidationcall_made” Nano Research 2015, 8(12), 3878-3886