Browsing by Author "Boland, John"
Now showing items 1-20 of 38
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Alcohol Pre-treatment to Eliminate the Interference of Micro Additive Particles in the Identification of Microplastics Using Raman Spectroscopy
Boland, John (2022)Raman spectroscopy is an indispensable tool in the analysis of microplastics smaller than 20 μm. However, due to its limitation, Raman spectroscopy may be incapable of effectively distinguishing microplastics from micro ... -
Associative Enhancement of Time Correlated Response to Heterogeneous Stimuli in a Neuromorphic Nanowire Device
Boland, John; Donegan, John (2016)In spite of the strong interest in brain‐like or neuromorphic computation, relatively few devices have emerged whose neuromorphic behavior is embedded in the hardware itself and not reliant on external programming of ... -
Carbon nanotubes-bridged molybdenum trioxide nanosheets as high performance anode for lithium ion batteries
Coleman, Jonathan; Boland, John (2018) -
Co-percolation to tune conductive behaviour in dynamical metallic nanowire networks
Ferreira, Mauro; Boland, John (2016)Nanowire networks act as self‐healing smart materials, whose sheet resistance can be tuned via an externally applied voltage stimulus. This memristive response occurs due to modification of junction resistances to form a ... -
Collective capacitive and memristive responses in random nanowire networks: Emergence of critical connectivity pathways
Boland, John; Ferreira, Mauro (2018)Random nanowire networks (NWNs) are promising synthetic architectures for non-volatile memory devices and hardware-based neuromorphic applications due to their history-dependent re- sponses, recurrent connectivity, and ... -
Core shift controls grain boundary energy scaling in Cu and Al
Boland, John (2024)Grain boundary energies in different elements are correlated. The proportional scaling constants relating the energies of crystallography-equivalent boundaries in any two f.c.c. elements are nearly constant, with the ... -
Effective medium theory for the conductivity of disordered metallic nanowire networks
Ferreira, Mauro; Boland, John (2016)Motivated by numerous technological applications, there is current interest in the study of the conductive properties of networks made of randomly dispersed nanowires. The sheet resistance of such networks is normally ... -
Emulating synaptic response in n- and p-channel MoS2 transistors by utilizing charge trapping dynamics
Boland, John (2020)Brain-inspired, neuromorphic computing aims to address the growing computational complexity and power consumption in modern von-Neumann architectures. Progress in this area has been hindered due to the lack of hardware ... -
Extra lithium-ion storage capacity enabled by liquid-phase exfoliated indium selenide nanosheets conductive network
Coleman, Jonathan; Nicolosi, Valeria; Boland, John (2020)As a recent addition to the family of van der Waals layered crystals, indium selenide (InSe) possesses unique optoelectronic and photonic properties, enabling high-performance electronic devices for broad applications. ... -
Graphene-coated polymer foams as tuneable impact sensors
Coleman, Jonathan; Weaire, Denis; Boland, John (2018) -
High levels of microparticles release from biodegradable polylactic acid paper cups compared with polyethylene-lined cups
Li, Dunzhu; Xiao, Liwen; Boland, John (2023)Polylactic acid (PLA) is a popular replacement for conventional fossil-fuel based plastics products such as polyethylene (PE) due to its high biodegradability and recyclability. Previous studies confirmed that PLA microplastics ... -
Highly Sensitive Composite Foam Bodily Sensors Based on the g-Putty Ink Soaking Procedure
Coleman, Jonathan; Boland, John (2021)Electrically conductive composite materials are highlighted as a potential tech path toward future flexible devices for wearable health technologies. To be commercially viable, these materials must not only be mechanically ... -
The influence of drinking water constituents on the level of microplastic release from plastic kettles
Shvets, Igor; Boland, John; Li, Dunzhu; Xiao, Liwen (2022)Microplastic (MP) release from household plastic products has become a global concern due to the high recorded levels of microplastic and the direct risk of human exposure. However, the most widely used MP measurement ... -
Liquid exfoliated Co(OH)2 nanosheets as low cost high performance catalysts for the oxygen evolution reaction
Lyons, Michael; Coleman, Jonathan; Boland, John (2018) -
Liquid phase exfoliation of GeS nanosheets in ambient conditions for lithium ion battery applications
Coleman, Jonathan; Boland, John (2020)The propensity of many 2D materials to oxidize in ambient conditions can complicate production and limit applications potential. Here we describe ambient liquid phase exfoliation of GeS, a layered material known for its ... -
Liquid phase exfoliation of MoO<inf>2</inf> nanosheets for lithium ion battery applications
Coleman, Jonathan; Nicolosi, Valeria; Boland, John (2019)Molybdenum dioxide (MoO2) is a layered material which shows promise for a number of applications in the electrochemical energy storage arena. Mostly studied as a bulk layered material, MoO2 has not previously been exfoliated ... -
Mapping Conformational Changes in a Self-Assembled Two-Dimensional Molecular Network by Statistical Analysis of Conductance Images
Naydenov, Borislav; Boland, John (2019)A self-assembled two-dimensional (2D) film of tetra-phenyl-porphyrin-4-ferrocene molecules on Au(111) is studied by STM for the presence of intra- and intermolecular correlations in the configurations of the four-pendant ... -
Material characterisation of nanowires with intrinsic stress
Boland, John (2017)When fabricating nanowires in a doubly-clamped beam configuration it is possible for a residual axial stress to be generated. Here, we show that material characterisation of metal and semiconductor nanowires subjected ... -
Metal Nanostructure Synthesis via Surface Energy Driven Growth
Boland, John (2016)Identifying new synthesis methods to produce single crystal metal nanowires has the potential to expand nanowire based technology integration and increase applications. The catalogue of single crystal metal nanostructures ... -
Micro and nano plastics release from a single absorbable suture into simulated body fluid
Boland, John (2024)Synthetic polymers are widely used in medical devices and implants where biocompatibility and mechanical strength are key enablers of emerging technologies. One concern that has not been widely studied is the potential of ...