Article

Paton, K R; Despotelis, K; Kumar, N; Turner, P; Pollard, A J (2023) On the use of Raman Spectroscopy to Characterize Mass Produced Graphene Nanoplatelets. Beilstein Journal of Nanotechnology, 14. pp. 509-521.

Kumar, N; Marchesini, S; Howe, T; Edwards, L; Brennan, B; Pollard, A J (2020) Nanoscale characterization of plasma functionalized graphitic flakes using tip-enhanced Raman spectroscopy. The Journal of Chemical Physics, 153 (18). 184708 ISSN 0021-9606

Race, A M; Rae, A; Vorng, J-L; Havelund, R; Dexter, A; Kumar, N; Steven, R T; Passarelli, M K; Tyler, B J; Bunch, J; Gilmore, I S (2020) Correlative Hyperspectral Imaging Using a Dimensionality-Reduction-Based Image Fusion Method. Analytical Chemistry, 92 (16). pp. 10979-10988. ISSN 0003-2700

Legge, E J; Paton, K R; Wywijas, M; McMahon, G; Pemberton, R; Kumar, N; Aranga Raju, A P; Dawson, C P; Strudwick, A J; Bradley, J W; Stolojan, V; Silva, S R P; Hodge, S A; Brennan, B; Pollard, A J (2020) Determining the Level and Location of Functional Groups on Few-Layer Graphene and Their Effect on the Mechanical Properties of Nanocomposites. ACS Applied Materials & Interfaces, 12 (11). pp. 13481-13493. ISSN 1944-8244

Kumar, N; Wondergem, C S; Wain, A J; Weckhuysen, B M (2019) In Situ Nanoscale Investigation of Catalytic Reactions in the Liquid Phase Using Zirconia-Protected Tip-Enhanced Raman Spectroscopy Probes. The Journal of Physical Chemistry Letters, 10 (8). pp. 1669-1675. ISSN 1948-7185

Kumar, N; Weckhuysen, B M; Wain, A J; Pollard, A J (2019) Nanoscale chemical imaging using tip-enhanced Raman spectroscopy. Nature Protocols, 14 (4). pp. 1169-1193. ISSN 1754-2189

Kumar, N; Kalirai, S; Wain, A J; Weckhuysen, B M (2019) Nanoscale Chemical Imaging of a Single Catalyst Particle with Tip‐Enhanced Fluorescence Microscopy. ChemCatChem, 11 (1). pp. 417-423. ISSN 1867-3880

Su, W; Kumar, N; Krayev, A; Chaigneau, M (2018) In situ topographical chemical and electrical imaging of carboxyl graphene oxide at the nanoscale. Nature Communications, 9 (1). 2891 ISSN 2041-1723

Kumar, N; Su, W; Castro, F A; Weckhuysen, B M (2018) Tip-enhanced Raman spectroscopy applications: from graphene to heterogeneous catalysis. Proceedings of the SPIE, 10726. 1072608

Kumar, N; Su, W T; Vesely, M; Weckhuysen, B M; Pollard, A J; Wain, A J (2018) Nanoscale chemical imaging of solid-liquid interfaces using tip-enhanced Raman spectroscopy. Nanoscale, 10 (4). pp. 1815-1824.

Kumar, N; Drozdz, M M*; Jiang, H B*; Santos, D M*; Vaux, D J* (2017) Nanoscale mapping of newly-synthesised phospholipid molecules in biological cells using tip-enhanced Raman spectroscopy. Chem. Comms., 53 (16). pp. 2451-2454.

Kumar, N; Zoladek-Lemanczyk, A; Guilbert, A A Y*; Su, W T*; Tuladhar, S M*; Kirchartz, T*; Schroeder, B C*; McCulloch, I*; Nelson, J*; Roy, D; Castro, F A (2017) Simultaneous topographical, electrical and optical microscopy of optoelectronic devices at the nanoscale. Nanoscale, 9 (8). pp. 2723-2731.

Kumar, N; Spencer, S J; Imbraguglio, D*; Rossi, A M*; Wain, A J; Weckhuysen, B M*; Roy, D (2016) Extending the plasmonic lifetime of tip-enhanced Raman spectroscopy probes. Phys. Chem. Chem. Phys., 18 (19). pp. 13710-13716.

Su, W T*; Kumar, N; Mignuzzi, S*; Crain, J; Roy, D (2016) Nanoscale mapping of excitonic processes in single-layer MoS2 using tip-enhanced photoluminescence microscopy. Nanoscale, 8 (20). pp. 10564-10569.

Su, W T*; Kumar, N; Dai, N*; Roy, D (2016) Nanoscale mapping of intrinsic defects in single-layer graphene using tip-enhanced Raman spectroscopy. Chem. Comms., 52 (53). pp. 8227-8230.

Hartman, T*; Wondergem, C S*; Kumar, N; van den Berg, A*; Weckhuysen, B M* (2016) Surface- and tip-enhanced Raman spectroscopy in catalysis. J. Phys. Chem. Lett., 7 (8). pp. 1570-1584.

Mignuzzi, S; Kumar, N; Brennan, B; Gilmore, I S; Richards, D*; Pollard, A J; Roy, D (2015) Probing individual point defects in graphene via near-field Raman scattering. Nanoscale, 7 (46). pp. 19413-19418.

Su, W; Kumar, N; Spencer, S J; Dai, N*; Roy, D (2015) Transforming bilayer MoS2 into single-layer with strong photoluminescence using UV-ozone oxidation. Nano Res., 8 (12). pp. 3878-3886.