Jeff Kettle
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View article: Hybrid delamination of silver contacts from c-Si solar cells: a low environmental impact recycling approach
Hybrid delamination of silver contacts from c-Si solar cells: a low environmental impact recycling approach Open
As deployment of photovoltaic (PV) systems intensify amidst the shift towards renewable energy sources, the imperative to minimise their environmental footprint across the full life cycle has become increasingly critical. Here, we introduc…
View article: Toward an Internet of Things Circular Economy Using Printed Circuits on Reusable Steel Substrates
Toward an Internet of Things Circular Economy Using Printed Circuits on Reusable Steel Substrates Open
There is a pressing need to reduce electronic waste, which along with government edicts and national time‐bound policy directives are shaping the drive toward circular economy solutions in electronics. However, there is no industrially sta…
View article: Hybrid Agricultural Monitoring System with Detachable, Biodegradable, and Printed pH Sensors with a Recyclable Wireless Sensor Network for Sustainable Sensor Systems
Hybrid Agricultural Monitoring System with Detachable, Biodegradable, and Printed pH Sensors with a Recyclable Wireless Sensor Network for Sustainable Sensor Systems Open
Sustainable food production is one of the key challenges that humanity must overcome to combat global malnutrition and meet the projected increase in the demand for food. Digital agriculture, with the application of sensors to monitor fact…
View article: Sustainable and Tunable Synaptic Electrolyte‐Gated Organic Field‐Effect Transistors (EGOFETs) for Light Adaptive Visual Perceptive Systems
Sustainable and Tunable Synaptic Electrolyte‐Gated Organic Field‐Effect Transistors (EGOFETs) for Light Adaptive Visual Perceptive Systems Open
The recent advances in optic neuromorphic devices have led to a subsequent rise in the development of energy‐efficient artificial‐vision systems. While the energy consumption of such devices is known to be much lower than conventional visi…
View article: Biodegradable RF PCBs Towards Sustainable Wireless and IoT
Biodegradable RF PCBs Towards Sustainable Wireless and IoT Open
View article: Design for recycle of devices to ensure efficient recovery of technology critical metals
Design for recycle of devices to ensure efficient recovery of technology critical metals Open
Design for recycle unlocks selective and efficient recycling of technology critical metals.
View article: Life cycle assessment (LCA) of circular consumer electronics based on IC recycling and emerging PCB assembly materials
Life cycle assessment (LCA) of circular consumer electronics based on IC recycling and emerging PCB assembly materials Open
View article: Influence of the Chemical Structure of Perylene Derivatives on the Performance of Honey-Gated Organic Field-Effect Transistors (HGOFETs) and Their Application in UV Light Detection
Influence of the Chemical Structure of Perylene Derivatives on the Performance of Honey-Gated Organic Field-Effect Transistors (HGOFETs) and Their Application in UV Light Detection Open
Electronics based on natural or degradable materials are a key requirement for next-generation devices, where sustainability, biodegradability, and resource efficiency are essential. In this context, optimizing the molecular chemical struc…
View article: Environmental Life-Cycle Assessment (LCA) of Wireless RF Systems: A Comparative Sustainability Analysis and a Microwave Engineers' Guide to LCA
Environmental Life-Cycle Assessment (LCA) of Wireless RF Systems: A Comparative Sustainability Analysis and a Microwave Engineers' Guide to LCA Open
Information Communication and Technology (ICT) accounts for an increasing share of global Green House Gas (GHG) emissions. Wireless circuits and systems are indispensable in across all ICT sectors, from cellular networks through satellite …
View article: Roadmap on established and emerging photovoltaics for sustainable energy conversion
Roadmap on established and emerging photovoltaics for sustainable energy conversion Open
Photovoltaics (PVs) are a critical technology for curbing growing levels of anthropogenic greenhouse gas emissions, and meeting increases in future demand for low-carbon electricity. In order to fulfill ambitions for net-zero carbon dioxid…
View article: Kaon mixing beyond the standard model with physical masses
Kaon mixing beyond the standard model with physical masses Open
We present nonperturbative results for beyond the standard model kaon mixing matrix elements in the isospin symmetric limit (mu=md) of QCD, including a complete estimate of all dominant sources of systematic error. Our results are obtained…
View article: Environmental Life-Cycle Assessment (LCA) of Wireless RF Systems: A Comparative Sustainability Analysis and a Microwave Engineers' Guide to LCA
Environmental Life-Cycle Assessment (LCA) of Wireless RF Systems: A Comparative Sustainability Analysis and a Microwave Engineers' Guide to LCA Open
View article: Green, Biodegradable, and Flexible Resistive Heaters‐Based Upon a Novel Laser‐Induced Graphene Manufacturing Process
Green, Biodegradable, and Flexible Resistive Heaters‐Based Upon a Novel Laser‐Induced Graphene Manufacturing Process Open
Laser induced graphene (LIG), prepared directly with an in situ synthesis method onto Kraft Paper substrates, is proposed for the manufacture of biodegradable electronic devices. The investigation explores the influence of laser power and …
View article: Evaluation of the Environmental Impact within Semiconductor Packaging Materials
Evaluation of the Environmental Impact within Semiconductor Packaging Materials Open
This paper reports the sustainability of materials and components required for PCB manufacturing, namely the substrate material, die-attach method and IC chip design. Electronics manufacturing processes are generally decided by the technic…
View article: Application of large datasets to assess trends in the stability of perovskite photovoltaics through machine learning
Application of large datasets to assess trends in the stability of perovskite photovoltaics through machine learning Open
Current trends in manufacturing indicate that optimised decision making using new state-of-the-art machine learning (ML) technologies will be used.
View article: A toolbox for improved recycling of critical metals and materials in low-carbon technologies
A toolbox for improved recycling of critical metals and materials in low-carbon technologies Open
A “toolbox” of processes is highlighted to recycle metals from energy storage and renewable energy devices.
View article: Small signal modulation of photonic crystal surface emitting lasers
Small signal modulation of photonic crystal surface emitting lasers Open
We report the small-signal characterization of a PCSEL device, extracting damping factors and modulation efficiencies, and demonstrating -3 dB modulation bandwidths of up to 4.26 GHz. Based on modelling we show that, by reducing the device…
View article: Roadmap on Photovoltaic Absorber Materials for Sustainable Energy Conversion
Roadmap on Photovoltaic Absorber Materials for Sustainable Energy Conversion Open
Photovoltaics (PVs) are a critical technology for curbing growing levels of anthropogenic greenhouse gas emissions, and meeting increases in future demand for low-carbon electricity. In order to fulfil ambitions for net-zero carbon dioxide…
View article: Bias and Temperature Stress Effects in IGZO TFTs and the Application of Step-Stress Testing to Increase Reliability Test Throughput
Bias and Temperature Stress Effects in IGZO TFTs and the Application of Step-Stress Testing to Increase Reliability Test Throughput Open
Indium-gallium-zinc-oxide thin-film transistors (IGZO TFTs) are widely used in numerous display applications and are emerging as a promising alternative for flexible IC production due to their high transparency, superior field-effect mobil…
View article: Bias and Temperature Stress Effects in IGZO TFTs and the Application of Step-Stress Testing to Increase Reliability Test Throughput
Bias and Temperature Stress Effects in IGZO TFTs and the Application of Step-Stress Testing to Increase Reliability Test Throughput Open
Indium-gallium-zinc-oxide thin-film transistors (IGZO TFTs) are widely used in numerous display applications and are emerging as a promising alternative for flexible IC production due to their high transparency, superior field-effect mobil…
View article: Performance and Degradation in Silicon PV Systems Under Outdoor Conditions in Relation to Reliability Aspects of Silicon PV Modules – Summary of Results of COST Action PEARL PV
Performance and Degradation in Silicon PV Systems Under Outdoor Conditions in Relation to Reliability Aspects of Silicon PV Modules – Summary of Results of COST Action PEARL PV Open
This paper presents the main results of COST Action PEARL PV, aiming at finding connections between the observed performance of monitored PV systems and degradation causes and failure modes according to literature with a focus on the most …
View article: Targeted recovery of metals from thermoelectric generators (TEGs) using chloride brines and ultrasound
Targeted recovery of metals from thermoelectric generators (TEGs) using chloride brines and ultrasound Open
Recycling of thermoelectric materials: thermoelectric leg and copper plates removed by targeted oxidation or thermoelectric legs removed by high-intensity ultrasonication.
View article: Next-Generation IoT Devices: Sustainable Eco-Friendly Manufacturing, Energy Harvesting, and Wireless Connectivity
Next-Generation IoT Devices: Sustainable Eco-Friendly Manufacturing, Energy Harvesting, and Wireless Connectivity Open
This invited paper presents potential solutions for tackling some of the main underlying
\nchallenges toward developing sustainable Internet-of-things (IoT) devices with a focus on eco-friendly
\nmanufacturing, sustainable powering, and wi…
View article: Decarbonising electrical grids using photovoltaics with enhanced capacity factors
Decarbonising electrical grids using photovoltaics with enhanced capacity factors Open
Here we demonstrate a new concept in PV in which devices are designed to minimize variability in generation. Modelling of the UK energy network predicts that such devices yield greater reductions in carbon emissions than conventional PV te…
View article: Development of a LoRaWAN IoT Node with Ion-Selective Electrode Soil Nitrate Sensors for Precision Agriculture
Development of a LoRaWAN IoT Node with Ion-Selective Electrode Soil Nitrate Sensors for Precision Agriculture Open
Crop productivity is highly dependent on the availability of soluble nitrogen (N), e.g. nitrate, in soil. When N levels are low, fertilisers are applied to replenish the soil’s reserves. Typically the timing of these applications is based …
View article: Review of technology specific degradation in crystalline silicon, cadmium telluride, copper indium gallium selenide, dye sensitised, organic and perovskite solar cells in photovoltaic modules: Understanding how reliability improvements in mature technologies can enhance emerging technologies
Review of technology specific degradation in crystalline silicon, cadmium telluride, copper indium gallium selenide, dye sensitised, organic and perovskite solar cells in photovoltaic modules: Understanding how reliability improvements in mature technologies can enhance emerging technologies Open
A comprehensive understanding of failure modes of solar photovoltaic (PV) modules is key to extending their operational lifetime in the field. In this review, first, specific failure modes associated with mature PV technologies, such as cr…
View article: Review of degradation and failure phenomena in photovoltaic modules
Review of degradation and failure phenomena in photovoltaic modules Open
The degradation of photovoltaic (PV) systems is one of the key factors to address in order to reduce the cost of the electricity produced by increasing the operational lifetime of PV systems. To reduce the degradation, it is imperative to …
View article: The Perovskite Database (Archive)
The Perovskite Database (Archive) Open
This dataset is a CSV snapshot of The Perovskite Database available at www.perovskitedatabase.com.
View article: The Perovskite Database (Archive)
The Perovskite Database (Archive) Open
This dataset is a CSV snapshot of The Perovskite Database available at www.perovskitedatabase.com.
View article: The Perovskite Database (Archive)
The Perovskite Database (Archive) Open
This dataset is a CSV snapshot of The Perovskite Database available at www.perovskitedatabase.com.