Publications

Peer-Reviewed Publications:

1. E Khairullina, K Mosina, RM Choueiri, AP Paradis, AA Petruk, G Sciaini, Elena Krivoshapkina, Anna Lee, Aftab Ahmed and Anna Klinkova, “An aligned octahedral core in a nanocage: synthesis, plasmonic, and catalytic properties,” Nanoscale 11 (7), 3138-3144, 2019.

2. R Gordon, A Ahmed, “Reaching the limits of enhancement in (sub) nanometer metal structures,” ACS Photonics 5 (11), 4222-4228, 2018.

3. Aftab Ahmed, Matthew Pelton and Jeffrey R. Guest, “Understanding How Acoustic Vibrations Modulate the Optical Response of Plasmonic Metal Nanoparticles,” ACS Nano, 11 (9), 9360-9369, 2017.

4. Anna Lee, Joseph A Libera, Ruben Z Waldman, Aftab Ahmed, Jason R Avila, Jeffrey W Elam, Seth B Darling, “Conformal Nitrogen‐Doped TiO2 Photocatalytic Coatings for Sunlight‐Activated Membranes,” Advanced Sustainable Systems, 1, 2017.

5. Anna Klinkova, Aftab Ahmed, Rachelle M Choueiri, Jeffery R Guest, Eugenia Kumacheva, “Toward rational design of palladium nanoparticles with plasmonically enhanced catalytic performance,” RSC Advances, 6, 2016.

6. Aftab Ahmed, Irene A. Goldthorpe and Amir K. Khandani, “Electrically Tunable Materials for Microwave Applications,” Applied Physics Reviews, 2, 011302, 2015. (Corresponding Author)

7. Anna Klinkova, H. Therien-Aubin, Aftab Ahmed, D. Nykypanchuk, R. M. Choueiri, B. Gagnon, Anastasiya Muntyanu, Oleg Gang, Gilbert C. Walker, and Eugenia Kumacheva “Structural and Optical Properties of Self-Assembled Chains of Plasmonic Nanocubes,” Nano Letters, 14 (11), 2014.

8. K. Liu*, A. Ahmed*, S. Chung, K. Sugikawa, G. Wu, Z. Nie, R. Gordon, E. Kumacheva, "In Situ Plasmonic Counter for Polymerization of Gold Nanorods in Solution," ACS Nano , 7(7), 5901-5910, 2013. (* Equal contribution)

9. Colin Zamecnik, Aftab Ahmed, Christopher Walters, Reuven Gordon and Gilbert Walker, “SERS using Lipid Encapsulated Plasmonic Nanoparticles and J-Aggregates to Create Locally Enhanced Electric Fields,” The Journal of Physical Chemistry C, 117, 1879-1886, 2013.

10. Aftab Ahmed and R. Gordon, "Single Molecule Directivity Enhanced Raman Scattering using Nanoantennas," Nano Letters, 12, 2625-2630, 2012.

11. G. A. C. Tellez, Aftab Ahmed and R. Gordon, "Optimizing the Resolution of Nanohole Arrays in Metal Films for Refractive Index Sensing," Applied Physics A: Materials Science and Processing , 109(4), 775-780, 2012.

12. Ghazal Hajisalem, Aftab Ahmed, Yuanjie Pang and Reuven Gordon, “Plasmon hybridization for enhanced nonlinear optical response,” Optics Express, 20(28), 29923-29930, 2012.

13. A. Lee, Aftab Ahmed, D. P. Santos, N. Coombs, J. Park, R. Gordon, A. G. Brolo and E. Kumacheva, “Side-by-Side Assembly of Gold Nanorods Reduces Ensemble-Averaged SERS Intensity,” The Journal of Physical Chemistry C. 116, 5538-5545, 2012.

14. Aftab Ahmed, Y. Pang, G. Hajisalem and R. Gordon, "Antenna Design for Directivity Enhanced Raman Spectroscopy," International Journal of Optics, 729138, 2012.

15. Aftab Ahmed and R. Gordon, "Directivity Enhanced Raman Spectroscopy using Nanoantennas," Nano Letters, 11, 1800-1803, 2011.

16. S. B. Hasan, R. Filter, Aftab Ahmed, R. Vogelgesand, R. Gordon, C. Rockstuhl and F. Lederer "Relating Localized Nanoparticle Resonances to an Associated Antenna Problem," Physical Review B, 84, 195405, 2011.

17. A. Lee, G. F. S. Andrade, Aftab Ahmed, Michele L. Souza, N. Coombs, E. Tumarkin, K. Liu, R. Gordon, A. G. Brolo and E. Kumacheva, “Probing Dynamic Generation of Hot-Spots in Self-Assembled Chains of Gold Nanorods by Surface-Enhanced Raman Scattering,” Journal of the American Chemical Society, 133, 7563-7570, 2011.

18. Aftab Ahmed, M. Liscidini and R. Gordon, "Design and Analysis of High-Index-Contrast Gratings Using Coupled Mode Theory," IEEE Photonics Journal, 2(6), 884-893, 2010.

19. M. A. Alsunaidi and Aftab Ahmed “Design of Wide-Band Metamaterials Using Multi-Element Split Ring Resonator Structures” International Journal Of Microwave and Optical Technology, 5, 2, 2010.

In Preparation/Accepted/Submitted:

20. Aftab Ahmed, M. Pelton, X. M. Lin, J. Guest, “Real time measurement of acoustic vibrations of plasmonic nanoparticles,” In preparation.

21. Aftab Ahmed, Anna Lee, Anna Klinkova, Eugenia Kumacheva, M. Pelton and Jeffrey Guest, “Low frequency acoustic vibrations from complex bimetallic nanostructures” In preparation.

Invited Talks

22. Aftab Ahmed, Infinera Corporation, Sunnyvale, CA, 2015.

23. Aftab Ahmed and Reuven Gordon, June meeting Bioplasmonic Systems, NSERC, Toronto 2012.

24. A. Lee, Aftab Ahmed, et al, The Canadian Society for Chemistry, Toronto, 2010.

Conference Publications and Presentations:

25. E Khairullina, K Mosina, RM Choueiri, AP Paradis, AA Petruk, G Sciaini, Elena Krivoshapkina, Anna Lee, Aftab Ahmed and Anna Klinkova , “Aligned octahedral core in a nanocage: synthesis, plasmonic, and catalytic properties,” 102nd Canadian Chemistry Conference and Exhibition, 2019.

26. Aftab Ahmed, A. Klinkova, E. Kumacheva, J. Guest, APS March Meeting, San Antonio, TX, 2015.

27 Aftab Ahmed, K, Liu, E. Kumacheva and R. Gordon, SPP6, Ottawa Canada, May 2013.

28. Aftab Ahmed and Reuven Gordon, Gordon Research Conference and Seminar, Waterville ME, USA, 2012 (One of the only ten selected papers for oral presentation in GRS).

29. Aftab Ahmed and Reuven Gordon, IEEE Nano, Portland, USA, 2011.

30. Aftab Ahmed, et al, SPP5, Busan, South Korea, 2011.

31. A. Lee, Aftab Ahmed, et al, MRS Spring Meeting, San Francisco, U.S.A. 2011.

32. A. Lee, Aftab Ahmed, et al, Gordon Research Conference, South Hadley, U.S.A. 2010.

33. Aftab Ahmed and Reuven Gordon, Photonics North, Niagara Falls, Canada 2010.

34. Aftab Ahmed and M. A. Alsunaidi, NATO advanced research workshop, Morocco, 2008.