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Topic Review
Flexible Micro Light-Emitting Diodes
The μLED has been spotlighted as a novel fusion technology of information technology (IT) and nanotechnology (NT) and is proposed as the next-generation light source to solve numerous problems of existing OLED and QLED displays (e.g., afterimage, burn-in effect, heat/water instability, and slow response time).
  • 480
  • 05 Nov 2021
Topic Review
Flexible Photovoltaics
Flexible PVs encompass the second and third generations of photovoltaic (PV) materials. Both perovskite (PSCs) and organic PV (OPV) can be integrated into PV textile membranes, which benefit from their flexibility and easy production techniques, similar to textile processes, and this has created new markets for PV applications. The flexibility of solar cells mainly depends on the substrates used. They can be divided into (i) plastic and (ii) metallic substrates. Plastic ones are composed of polymeric materials (e.g., PEN, PET, PTFE, ETFE). These substrates are characterised by low cost, high optical transparency, chemical stability, and favourable bendability.
  • 164
  • 22 Sep 2023
Topic Review
Flexible Planar Monopole Antenna
Flexible antennas consist of a dielectric material (which works as the substrate) and a conductive material (which can be used as a radiating element and/or ground plane).
  • 525
  • 08 Sep 2021
Topic Review
Flexible sensors, fabrication and materials
The use of flexible sensors has tripled over the last decade due to the increased demand in various fields including health monitoring, food packaging, electronic skins and soft robotics. Flexible sensors have the ability to be bent and stretched during use and can still maintain their electrical and mechanical properties. Additionally, flexible sensors can be packaged conformally with the device in order to enable the miniaturization of products. These advantages promote the used of flexible sensors over rigid sensors, the latter which can also often lose their sensitivity when subject to bending.
  • 1.5K
  • 27 Sep 2021
Topic Review
Flexible Wearable Sensor
Sensors are the core of wearable monitoring equipment. In wearable devices (such as wrist strap or chest strap), the sensor will inevitably contact with the skin.
  • 1.7K
  • 27 Oct 2020
Topic Review
Flight Operations on the Risk of Runway Excursions
The Quick Access Recorder (QAR), as an onboard device used for monitoring and recording flight parameters, has been extensively installed on various types of aircraft. Ensuring safety during the landing phase has always been a top priority for the civil aviation industry.
  • 209
  • 07 Feb 2024
Topic Review
Flight Safety Assessment Based on Quick Access Recorder
The QAR (quick access recorder), as an airborne data recorder, can collect and store multidimensional flight parameter data during a flight. Currently, QAR devices have been widely installed on various types of aircraft. It has been proven by practical experience that the QAR can effectively collect thousands of real-time parameters during flight. These flight parameters can reflect the condition of the external environment, flight attitude, aircraft status, pilot operations, etc. Therefore, they provide objective evidence for flight technical evaluations, safety incident investigations, and the elimination of potential flight safety hazards, which can yield better flight safety.
  • 304
  • 18 Sep 2023
Topic Review
Flight Scheduling, Fleet Assignment, and Aircraft Routing Problems
Airlines face the imperative of resource management to curtail costs, necessitating the solution of several optimization problems such as flight planning, fleet assignment, aircraft routing, and crew scheduling. These problems present some challenges.
  • 307
  • 03 Jan 2024
Topic Review
Floating Photovoltaic Systems
Floating Photovoltaic (FPV) system is a solution which employ PV panels in a cooler environment, achieve higher efficiency, and reduce water evaporation. FPV systems open up new opportunities for scaling up solar generating capacity, especially in countries with high population density and valuable lands, as well as countries with high evaporation rates and water resources deficiency.
  • 512
  • 28 Apr 2021
Topic Review
Floating Wind Energy Market
The floating technology enables the extraction of wind resources from previously expensive or complex areas to fixed-bottom turbine installation. These floating concepts have revived many countries’ interests in offshore wind energy. Europe has set ambitious renewable energy goals to reduce its environmental impact. The vast untapped offshore wind resources will play an important role in fulfilling the energy demands to achieve the renewable energy targets of the European Union (EU). Floating wind energy heavily depends on political support, especially in the beginning. The support of the national governments is highly unclear under some financial uncertainty. However, the European Union is actively engaged in realizing offshore wind projects through initiatives such as the Interreg and H2020 funds. Furthermore, the EU has a vast economy to support such projects and is attractive to developers because of its high national electricity prices.
  • 541
  • 25 Jul 2022
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