Publications

Steven Gravelsins, Myung Jin Park, Marek Niewczas, Seok-Ki Hyeong, Seoung-Ki Lee, Aftab Ahmed, Al-Amin Dhirani, “Large emergent opto-electric enhancement in cross-linked nanoparticle nanosheets,” Communications Chemistry 5 (2022) 103. https://doi.org/10.1038/s42004-022-00723-2

***Selected by editors from 2022 publications to highlight: https://www.nature.com/collections/efiidgdgfa

Singh, U. Z. A. U. Faiz, S. Gravelsins, Y. Suganuma, N. K. Kotoulas, M. Croxall, A. Khan – Trottier, M. C. Goh, and A. – A. Dhirani, “Glucose oxidase kinetics using Mn­O2 nanosheets: confirming Michaelis-Menten kinetics and revealing improving enzyme performance with decreasing buffer concentration,” Nanoscale Adv. 3 (2021) 38160-03823.

J. Park, S. Gravelsins, D. H. Shin, B. H. Hong and A.-A. Dhirani, “Photoresponse of Stacked, Multilayer MoS2 Films Assembled from Solution-Processed MoS2 Flakes,” ACS Applied Nano Materials (2021) https://doi.org/10.1021/acsanm.1c00264.

Xu, Y. Suganuma and A.-A. Dhirani, “Low-cost, high performance lock-in amplifier for pedagogical and practical applications,” J. of Chem. Ed. 97 (2020) 1167-1171.

J. Park, S. Gravelsins, J. Son, A. M. van der Zande, A.-A. Dhirani, “A Scalable, Solution-Based Approach to Tuning the Solubility and Improving the Photoluminescence of Chemically Exfoliated MoS­2,” ACS Nano 13 (2019) 6469.

M. Tie, S. Gravelsins, M. Niewczas and A.-A. Dhirani, “Large Kondo Effect in Assemblies of Au Nanoparticles Linked with Alkanedithiol Electron Bridges,” Nanoscale (2019) Accepted manuscript (DOI 10.1039/C8NR09280J)

M. Tie and A.-A. Dhirani. “Coulomb effects and exotic charge transport in nanostructured materials.” 21st Century Nanoscience – A Handbook. Ed. K. Sattler. Milton Park: Taylor and Francis (CRC Press), 2018.

S. Gravelsins, M. Hasham, Y. Lin, K. Yu. M. Tie, C. Goh and A.-A. Dhirani “Controlled hierarchical assembly of gold nanoparticles in macroscopic films: from densely packed monolayers to networks of micropores and nanobundles,” Soft Matter 13 (2017) 2413.

M. Tie and A.-A. Dhirani, “Electrolyte-gated charge transport in molecularly-linked gold nanoparticle films: the transition from a Mott insulator to an exotic metal with strong electron-electron interactions,” J. Chem. Phys. 145 (2016) 104702.

H. Seifi-Fini, Y. Suganuma and A.-A. Dhirani, “Microfabricated, silicon devices with nanowells and nanogap electrodes: a platform for dielectric spectroscopy with silane-tunable response”, Materials Research Express 2 (2015) 055012.

M. Tie and A.-A. Dhirani, “Conductance of molecularly-linked gold nanoparticle films across an insulator-to-metal transition: from hopping to strong Coulomb electron-electron interactions and correlations,” Phys. Rev. B 91 (2015) 155131.

M. Tie, P. Joanis, Y. Sugtanuma and A.-A. Dhirani, “Conductance peaks and exotic metallic behavior in an engineered nanoscale system: Signatures of correlated quasiparticles,” Phys. Rev. B (2014) 155117 (6 pages).

Y. Suganuma, N. Toltl and A.-A. Dhirani, “Evaluation of a low cell constant conductance detector for detection of charged species in high-performance liquid chromatography,”Analytical Methods 5 (2013) 6855 (9 pages).

M. Tie, P. Joanis, H. Feng, M. Feng, M. Niewczas and A.-A. Dhirani, “Magnetoconductance at tunnel junction contacts with disordered granular materials,” Thin Solid Films 534 (2013) 666 (7 pages).

P. Joanis, M. Tie, F. Haoyu, B. Feng and A.-A. Dhirani, “Influence of low energy barrier contact resistance in charge transport measurements of gold nanoparticle+dithiol-based self-assembled films,” Langmuir 29 (2013) 1264 (9 pp).

Y. Suganuma, F. Menard, M. Lautens and A.-A. Dhirani, “Apertured impedance microchips: Surface modification and evaluation using high performance liquid chromatography,” Sensors and Actuators B: Chemical 173 (2012) 852 (11 pages).

P. Joanis, M. Tie and A.-A. Dhirani, “Development of correlated quasiparticle conductance peak as molecule-linked gold nanoparticle films transition from Mott-insulator to metal phases,” arXiv:1105.5647.

Y. Suganuma and A.-A. Dhirani, “A layered microchip conductance detector with through-layer access to detection fields and high sensitivity to dielectric constant,” Rev. Sci. Instr. 82 (2011) 044701 (5 pp).

A. Zabet-Khosousi and A.-A. Dhirani, “Charge transport in nanoparticle assemblies,” Chem. Rev. 108 (2008) 4072 (53 pp).

B. Lam and A.-A. Dhirani, “Mesoscopic conductance oscillations in superconducting nanoparticle films,” J. Phys. Chem. C 112 (2008) 13812 (4 pp).

J. L. Dunford and A.-A. Dhirani, “Magnetoconductance oscillations at a nanoparticle film-superconductor interface: a means for probing flux penetration,” Nanotechnology 19 (2008) 455402 (4 pp).

J. L. Dunford and A.-A. Dhirani, “Reflectionless tunneling at nanoparticle film – superconductor interfaces,” Phys. Rev. Lett., 100 (2008) 147202 (4pp).[1]

J. Dunford and A.-A. Dhirani, “Conductance oscillations in molecularly-linked Au nanoparticle film – superconductor systems,” Nanotechnology 19 (2008) 025202 (7pp).

A. Zabet-Khosousi and A.-A. Dhirani, “Shadow mask fabrication of micron-wide break-junctions and their application to single nanoparticle devices,” Nanotechnology 18 (2007) 455305 (6pp).

A. Escorcia and A.-A. Dhirani, “Electrochemical Properties of Ferrocenylalkane dithiol-Gold Nanoparticle Films Prepared by Layer-by-Layer Self-Assembly,” J. of Electroanalytical Chem. 601 (2007) 260 – 268.

J. L. Dunford, B. Statt and A.-A. Dhirani, “Magnetoconductance of Molecularly Linked Au Nanoparticle Arrays Near the Metal-insulator Transition,” Phys. Rev. B 74 (2006) 115417.[2]

A. Zabet-Khosousi, P.-E. Trudeau, Y. Suganuma, B. Statt and A.-A. Dhirani, “Metal to Insulator in films of molecularly linked Au nanoparticles,” Phys. Rev. Lett. 96 (2006) 156403.[3]

Y. Suganuma and A.-A. Dhirani, “Microlithography-free multi-valued analog memory device using self-assembled nanoparticle films,” SPIE Nanotechnology e-newsletter, available on line at
http://spie.org/app/EbulletinArchive/nano/090905nano/nanoSep05.html.

J. L. Dunford, Y. Suganuma, B. Statt and A.-A. Dhirani, “Quasi-localized hopping in molecularly-linked Au nanoparticle arrays near the metal-insulator transition,” Phys. Rev. B 72 (2005) 075441.[4]

Y. Suganuma, J. L. Dunford, P. E. Trudeau and A.-A. Dhirani, “Gating of enhanced electron charging thresholds in bulk self-assembled nanoparticle films,” J. of Phys. Chem. B 109 (2005) 15391.

Y. Suganuma, P.-E. Trudeau and A.-A. Dhirani, “Multi-valued analog information storage using self-assembled nanoparticle films,” Nanotechnology 16 (2005) 1196.

A. Zabet-Khosousi, Y. Suganuma, K. Lopata, P.-E. Trudeau, and A.-A. Dhirani, “Influence of linker molecules on charge transport through self-assembled single-nanoparticle devices,” Phys. Rev. Lett. 94 (2005) 096801.[5]

J. A. M. Dinglasan, M. Bailey, J. Park and A.-A. Dhirani, “Differential conductance switching of planar tunnel junctions mediated by oxidation/reduction of functionally protected ferrocene,” J. of the Am. Chem. Soc., 126 (2004) 6491.

P.-E. Trudeau, A. Escorcia and A.-A. Dhirani, “Variable single electron charging energies and percolation effects in molecularly linked nanoparticle films,” J. Chem. Phys. 119 (2003) 5267.

J. A. M. Dinglasan, A. Shivji and A.-A. Dhirani, “Oligoazomethine-doped planar tunnel junctions: correlating molecular structure with junction electrical characteristics,” J. Chem. Phys. 119 (2003) 5654.

Y. Suganuma and A. Dhirani, “A hybrid scanning tunneling – atomic force microscope operable in air,” Rev. Sci. Instr. 74 (2003) 4373.[6]

Y. Suganuma, P. E. Trudeau, B. Leatham, B. Shieh and A. Dhirani, “Discrete electron forces in a nanoparticle-tunnel junction system,” J. Chem. Phys. 118 (2003) 9769.[7]

Y. Suganuma, P. E. Trudeau and A. Dhirani, “Probing correlated current and force effects of nanoparticle charge states by hybrid STM-AFM,” Phys. Rev. B 66 (2002) 241405.[8]

Y. Suganuma and A. Dhirani, “Hysteretic contact potential changes in nanometallic tunnel junctions in air,” Phys. Rev. B 66 (2002) 113304.[9]

P. –E. Trudeau, A. Orozco, E. Kwan and A. Dhirani, “Competitive transport and percolation in disordered arrays of molecularly-linked Au nanoparticles,” J. Chem. Phys. 117 (2002) 3978-3981.

J. A. M. Dinglasan, E. Baig and A. Dhirani, “Formation of conjugated azomethine oligomers on quartz and silicon oxide surfaces,” Langmuir 18 (2002) 5971-5973.

Y. Suganuma and A. Dhirani, “Single charge effects in STM tunneling characteristics in air,” Phys. Rev. B 65 (2002) 235426.[10]

R. A. Rubenstein, D. A. Kokorowski, A. Dhirani, T. D. Roberts, S. Gupta, J. Lehner, W. W. Smith, E. T. Smith, H. J. Bernstein, and D. E. Pritchard, “Measuring of the density matrix of a longitudinally modulated atomic beam,” Phys. Rev. Lett. 83 (1999) 2285-2288.

R. A. Rubenstein, A. Dhirani, D. A. Kokorowski, T. D. Roberts, E. T. Smith, W. W. Smith, H. J. Bernstein, J. Lehner, S. Gupta, and D. E. Pritchard, “Searching for off-diagonal density matrix elements for atoms in a supersonic beam,” Phys. Rev. Lett. 82 (1999) 2018-2021.

D. E. Pritchard, R. A. Rubenstein, A. Dhirani, D. A. Kokorowski, E. T. Smith, T. D. Hammond and B. Rohwedder, “Longitudinal atom optics using localized oscillating fields: a fully quantum mechanical treatment,” Phys. Rev. A 59 (1999) 4641-4652.

D. A. Kokorowski, A. Dhirani, T. D. Hammond, B. Rohwedder, R. A. Rubenstein, E. T. Smith and D. E. Pritchard, “Fully quantized treatment of molecular beam resonance,” Fortschr. Phys. 46 (1998) 849-853.

E. T. Smith, A. Dhirani, D. A. Kokorowski, R. A. Rubenstein, T. D. Roberts, H. Yao and D. E. Pritchard, “Velocity rephased longitudinal momentum coherences with differentially detuned separated oscillatory fields,” Phys. Rev. Lett. 81 (1998) 1996-1999.

A. Dhirani, D. A. Kokorowski, R. A. Rubenstein, T. D. Hammond, B. Rohwedder, E. T. Smith and D. E. Pritchard, “Determining the density matrix of a molecular beam using a longitudinal matter wave interferometer,” Journal of Modern Optics 44 (1997) 2583-2589.

A. Dhirani, R. Zehner, Pao Hung Lin, R. P. Hsung, L. S. Sita and P. Guyot-Sionnest, “Self-assembled molecular rectifiers,” J. Chem. Phys. 106 (1997) 5249-5253.

A. Dhirani, R. Zehner, R. P. Hsung, P. Guyot-Sionnest and L. S. Sita, “The self-assembly of conjugated molecular rods: a high resolution STM study,” J. of the Am. Chem. Soc. 118 (1996) 3319-3320. [11]

A. Dhirani, A. J. Fisher and P. Guyot-Sionnest, “A simple low current scanning tunneling microscope,” Rev. Sci. Instr. 67 (1996) 2953-2956.

A. Dhirani, M. A. Hines, A. J. Fisher and P. Guyot-Sionnest, “Structure of self-assembled decanethiol on Ag(111): a molecular resolution scanning tunneling microscope study,” Langmuir 11 (1995) 2609-2614.

A. Dhirani and P. Guyot-Sionnest, “Efficient generation of infrared picosecond pulses from 10 to 20 microns,” Optics Letters 20 (1995) 1104-1106.