University Of Ulster

NIBEC - Nanotechnology and Integrated Bioengineering Centre

Plasma Science & Nanoscale Engineering

Dr Davide Marriotti:    Reader

Key Research Areas

• Hybrid bulk- heterojunctions
• Li-ion batteries
• Nanoscale hetero-junctions
• Plasma diagnostics
• Optical emission spectroscopy
• Self-organization
• Third generation solar cells
• Collisional radiative models
• Silicon nanocrystals
• Exotic plasma regimes

Visiting Fellow: 

Dr Steffan Cook

PhD Students

MSc students

Connell Andrew: A portable nanomanufacturing device

Undergraduate students

Previous students

News & Events

We are organizing the 1^st Workshop on Nanomaterials for Clean TechnologiesPhotovoltaics 

http://www.compeng.ulster.ac.uk/NAMRIworkshop

We will be at …

Research interests & Publications

Selected papers

• “Perspectives on atmospheric-pressure plasmas for nanofabrication” J. Phys. D Appl. Phys. 2011 (details) [Invited Perspective Paper]
•  “Microplasmas for nanomaterials synthesis” J. Phys. D Appl. Phys. 2010 (PDF) [Invited Review]
•  “Method to determine argon metastable number density and plasma electron temperature from spectral emission originating from four 4p argon levels” Appl. Phys. Lett. 2006 (PDF)
• “Experimental study of breakdown voltage and effective secondary electron emission coefficient for a micro-plasma device” Plasma Sources Sci. Technol. 2004 (PDF)

Plasma science & applications

•  “Experimental study of a planar atmospheric-pressure plasma operating in the microplasma regime” Phys. Rev. E 2009 (PDF)
• “Nonequilibrium and effect of gas mixtures in an atmospheric microplasma” Appl. Phys. Lett. 2008 (PDF)
• “Gas temperature and electron temperature measurements by emission spectroscopy for an atmospheric microplasma” J. Appl. Phys. 2007 (PDF)
• “Method to determine argon metastable number density and plasma electron temperature from spectral emission originating from four 4p argon levels” Appl. Phys. Lett. 2006 (PDF)
• “Analysis of excitation processes and electron temperature changes from spectral data in a dc micro plasma discharge” Plasma Sources Sci. & Technol. 2004 (PDF)
• “Experimental study of breakdown voltage and effective secondary electron emission coefficient for a micro-plasma device” Plasma Sources Sci. Technol. 2004 (PDF)
• “Depth-sensitive analysis of a degraded tin oxide electrode surface in a plasma device application” Thin Solid Films 2001 (PDF)
•  “Gas recognition using a neural network approach to plasma optical emission spectroscopy” 2000 (PDF)
•  “A neural network approach to plasma emission interpretation” 1998(details)

Nanomaterials synthesis

• “Perspectives on atmospheric-pressure plasmas for nanofabrication” J. Phys. D Appl. Phys. 2011 (details)
•  “Microplasmas for nanomaterials synthesis” J. Phys. D Appl. Phys. 2010 (PDF)
• “Microplasma-induced surface engineering of silicon nanocrystals in colloidal dispersion” Appl. Phys. Lett. 2010 (PDF)
• “The production of self-organized carbon connections between Ag nanoparticles using atmospheric microplasma synthesis” Carbon 2009 (PDF)
• “Self-organized carbon connections between catalyst particles on a silicon surface exposed to atmospheric-pressure Ar + CH₄ microplasmas” Carbon 2009 (PDF)
• “Atmospheric-microplasma-assisted nanofabrication: metal and metal-oxide nanostructures and nanoarchitectures” IEEE Trans. Plasma Sci. 2009 (PDF)
• “Tailoring microplasma nanofabrication: from nanostructures to nanoarchitectures” J. Phys. D Appl. Phys. 2009 (PDF)
• “Photosensitive self-assembled nanoarchitectures containing surfactant-free Si nanocrystals produced by laser fragmentation in water” Chem. Phys. Lett. 2009 (PDF)
• “Ambient-stable blue luminescent silicon nanocrystals prepared by nanosecond-pulsed laser ablation in water” Opt. Express 2009 (PDF)
• “Plasma-driven self-organization of Ni nanodot arrays on Si(100)” Appl. Phys. Lett. 2008 (PDF)
• “Plasma-controlled metal catalyst saturation and the initial stage of carbon nanostructure array growth” J. Appl. Phys. 2008 (PDF)
• “Luminescent Colloidal Silicon Nanocrystals Prepared by Nanoseconds Laser Fragmentation and Laser Ablation in Water” Mater. Res. Soc. Symp. Proc. 2008 (PDF)
• “Self-organized nanostructures on atmospheric microplasma exposed surfaces” Appl. Phys. Lett. 2007 (PDF)
• “Localized deposition of metallic molybdenum particles in ambient air using atmospheric-pressure microplasma” Microprocesses & Nanotechngology 2007 (PDF)
• “Flow rate effect on the structure and morphology of molybdenum oxide nanoparticles deposited by atmospheric-pressure microplasma processing” Nanotechnology 2006 (PDF)
• “Reactive evaporation of metal wire and microdeposition of metal oxide using atmospheric pressure reactive microplasma jet” Jpn. J. Appl. Phys. 2006 (PDF)
•  “Development of cross-flow micro-nebulizer for atmospheric pressure microplasma deposition and its application to prepare nano-carbon materials from alcohol” Transactions of the Materials Research Society of Japan 2006 (details)

Nanoscale engineering & applications

• “Photovoltaic Applications of Silicon Nanocrystal Based Nanostructures Induced by Nanosecond Laser Fragmentation in Liquid Media” J. Phys. Chem. C 2011 (details)
• “A hybrid heterojunction based on fullerenes and surfactant-free, self-assembled, closely packed silicon nanocrystals” J. Phys. D Appl. Phys. 2010 (PDF)
• “Monoclinic beta-MoO₃ nanosheets produced by atmospheric microplasma: application to lithium-ion batteries” Nanotechnology 2008 (PDF)