Simon King | University of Surrey (original) (raw)

Simon King

Address: United Kingdom

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Papers by Simon King

Research paper thumbnail of A Route Towards Metal-Free Electrical Cables Via Carbon Nanotube Wires

SSRN Electronic Journal, 2021

Research paper thumbnail of A route towards metal-free electrical cables via carbon nanotube wires

Research paper thumbnail of Effect of Surfactants on the Thermoelectric Performance of Double‐Walled Carbon Nanotubes

ENERGY & ENVIRONMENTAL MATERIALS, 2021

Thermoelectrics are a promising solution to the recovery of some of the 60% of the worldwide ener... more Thermoelectrics are a promising solution to the recovery of some of the 60% of the worldwide energy wasted as heat. However, their conversion efficiency is low and the best performing materials are brittle, toxic, and made of expensive ceramics. The challenge in developing better performing materials is in disrupting the electrical vs thermal conductivity correlation, to achieve low thermal conductivity simultaneously with a high electrical conductivity. Carbon nanotubes allow for the decoupling of the electronic density of states from the phonon density of states and this paper shows that flexible, thin films of double‐walled carbon nanotube (DWCNT) can form effective n‐ and p‐doped semiconductors that can achieve a combined Seebeck coefficient of 157.6 µV K−1, the highest reported for a single DWCNT device to date. This is achieved through selected surfactant doping, whose role is correlated with the length of the hydrocarbon chain of the hydrophobic tail group of the surfactant’s...

Research paper thumbnail of Low-Cost Catalyst Ink for Simple Patterning and Growth of High-Quality Single- and Double-Walled Carbon Nanotubes

ACS Applied Materials & Interfaces, 2020

Research paper thumbnail of Delivering interlaminar reinforcement in composites through electrospun nanofibres

Advanced Manufacturing: Polymer & Composites Science, 2019

Electrospun nonwoven veils comprising thermoplastic fibres (average diameter 400-600 nm) based on... more Electrospun nonwoven veils comprising thermoplastic fibres (average diameter 400-600 nm) based on polysulfone (PSU), polyamide (PA-6,6), and polyetherimide (PEI) have been fabricated and used as interlaminar reinforcements in carbon fibre composites containing a commercial epoxy resin (8552/IM7). Samples were tested for their interlaminar properties and improvements were observed in the initial mode I interlaminar toughness of 30% (PA-6,6), 36% (PEI), and 44% (PSU), while improvements of 7% (PSU) and 8% (PEI) were observed in the propagation of the mode I interlaminar toughness. A reduction of 11% was observed for the propagation of the mode I interlaminar toughness for PA-6,6. Post-testing analysis of the cross-section and the fracture surface revealed that the crack front avoids the reinforcement significantly for PA-6,6. For mode II, however, this failure mechanism leads to improvements of 30% in interlaminar toughness for the PA-6,6, whereas the other reinforcements display negligible (PEI) and 31% reduction (PSU) interlaminar toughness.

Research paper thumbnail of Solution‐Processed InAs Nanowire Transistors as Microwave Switches

Advanced Electronic Materials, 2018

The version in the Kent Academic Repository may differ from the final published version. Users ar... more The version in the Kent Academic Repository may differ from the final published version. Users are advised to check http://kar.kent.ac.uk for the status of the paper. Users should always cite the published version of record.

Research paper thumbnail of Highly aligned arrays of super resilient carbon nanotubes by steam purification

Research paper thumbnail of Charge separation and recombination in self-organizing nanostructured donor–acceptor block copolymer films

Journal of Materials Chemistry, 2009

A series of donor–acceptor diblock copolymers with varying molecular weight are studied in thin f... more A series of donor–acceptor diblock copolymers with varying molecular weight are studied in thin film and compared with an 'equivalent' blend formed from donor and acceptor homopolymers. Steady-state and transient spectroscopies are used to demonstrate a ...

Research paper thumbnail of A Route Towards Metal-Free Electrical Cables Via Carbon Nanotube Wires

SSRN Electronic Journal, 2021

Research paper thumbnail of A route towards metal-free electrical cables via carbon nanotube wires

Research paper thumbnail of Effect of Surfactants on the Thermoelectric Performance of Double‐Walled Carbon Nanotubes

ENERGY & ENVIRONMENTAL MATERIALS, 2021

Thermoelectrics are a promising solution to the recovery of some of the 60% of the worldwide ener... more Thermoelectrics are a promising solution to the recovery of some of the 60% of the worldwide energy wasted as heat. However, their conversion efficiency is low and the best performing materials are brittle, toxic, and made of expensive ceramics. The challenge in developing better performing materials is in disrupting the electrical vs thermal conductivity correlation, to achieve low thermal conductivity simultaneously with a high electrical conductivity. Carbon nanotubes allow for the decoupling of the electronic density of states from the phonon density of states and this paper shows that flexible, thin films of double‐walled carbon nanotube (DWCNT) can form effective n‐ and p‐doped semiconductors that can achieve a combined Seebeck coefficient of 157.6 µV K−1, the highest reported for a single DWCNT device to date. This is achieved through selected surfactant doping, whose role is correlated with the length of the hydrocarbon chain of the hydrophobic tail group of the surfactant’s...

Research paper thumbnail of Low-Cost Catalyst Ink for Simple Patterning and Growth of High-Quality Single- and Double-Walled Carbon Nanotubes

ACS Applied Materials & Interfaces, 2020

Research paper thumbnail of Delivering interlaminar reinforcement in composites through electrospun nanofibres

Advanced Manufacturing: Polymer & Composites Science, 2019

Electrospun nonwoven veils comprising thermoplastic fibres (average diameter 400-600 nm) based on... more Electrospun nonwoven veils comprising thermoplastic fibres (average diameter 400-600 nm) based on polysulfone (PSU), polyamide (PA-6,6), and polyetherimide (PEI) have been fabricated and used as interlaminar reinforcements in carbon fibre composites containing a commercial epoxy resin (8552/IM7). Samples were tested for their interlaminar properties and improvements were observed in the initial mode I interlaminar toughness of 30% (PA-6,6), 36% (PEI), and 44% (PSU), while improvements of 7% (PSU) and 8% (PEI) were observed in the propagation of the mode I interlaminar toughness. A reduction of 11% was observed for the propagation of the mode I interlaminar toughness for PA-6,6. Post-testing analysis of the cross-section and the fracture surface revealed that the crack front avoids the reinforcement significantly for PA-6,6. For mode II, however, this failure mechanism leads to improvements of 30% in interlaminar toughness for the PA-6,6, whereas the other reinforcements display negligible (PEI) and 31% reduction (PSU) interlaminar toughness.

Research paper thumbnail of Solution‐Processed InAs Nanowire Transistors as Microwave Switches

Advanced Electronic Materials, 2018

The version in the Kent Academic Repository may differ from the final published version. Users ar... more The version in the Kent Academic Repository may differ from the final published version. Users are advised to check http://kar.kent.ac.uk for the status of the paper. Users should always cite the published version of record.

Research paper thumbnail of Highly aligned arrays of super resilient carbon nanotubes by steam purification

Research paper thumbnail of Charge separation and recombination in self-organizing nanostructured donor–acceptor block copolymer films

Journal of Materials Chemistry, 2009

A series of donor–acceptor diblock copolymers with varying molecular weight are studied in thin f... more A series of donor–acceptor diblock copolymers with varying molecular weight are studied in thin film and compared with an 'equivalent' blend formed from donor and acceptor homopolymers. Steady-state and transient spectroscopies are used to demonstrate a ...

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