Thermal and luminous investigations of a pcLED based refrigerating liquid prototype

Colombo, Luigi Pietro Maria; Dolara, Alberto; Guzzetti, Stefania; Lazaroiu, George Cristian; Leva, Sonia; Lucchini, Andrea

doi:10.1016/j.applthermaleng.2014.06.008

Cited by 6 publications

(2 citation statements)

References 20 publications

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“…GaN and its alloys have been widely used in optoelectronic devices such as green- to deep-ultraviolet light-emitting diodes [1,2,3] and photodetectors [4,5,6]. Various GaN-based semiconductors have become commercially available, although the large number of wafers that are scrapped during the manufacturing process remains problematic.…”

Section: Introductionmentioning

confidence: 99%

Study of GaN-Based Thermal Decomposition in Hydrogen Atmospheres for Substrate-Reclamation Processing

Huang

Lin

2018

Materials

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This study investigates the thermal decomposition behavior of GaN-based epilayers on patterned sapphire substrates (GaN-epi/PSSs) in a quartz furnace tube under a hydrogen atmosphere. The GaN-epi/PSS was decomposed under different hydrogen flow rates at 1200 °C, confirming that the hydrogen flow rate influences the decomposition reaction of the GaN-based epilayer. The GaN was completely removed and the thermal decomposition process yielded gallium oxyhydroxide (GaO2H) nanostructures. When observed by transmission electron microscopy (TEM), the GaO2H nanostructures appeared as aggregates of many nanograins sized 2–5 nm. The orientation relationship, microstructure, and formation mechanism of the GaO2H nanostructures were also investigated.

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Section: Introductionmentioning

confidence: 99%

Study of GaN-Based Thermal Decomposition in Hydrogen Atmospheres for Substrate-Reclamation Processing

Huang

Lin

2018

Materials

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“…The use of silicone liquid for cooling purposes was proposed and already validated in similar applications [10][11][12]. In addition, the refrigerating liquid allows a reduction of panel height, as the liquid determines to better vertical the sun rays.…”

Section: Introductionmentioning

confidence: 99%

Productivity comparison and performance improvement of a concentrated photovoltaic

Faranda

Leva

Lazaroiu

2015

2015 IEEE 15th International Conference on Environment and Electrical Engineering (EEEIC)

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This paper proposes a prototype solution using silicone liquid to increase the efficiency of concentrated photovoltaic technology with Fresnel lens for better penetration of sun rays within the cell,. The developed concept consists in filling the homogenizer with refrigerating liquid. Three different configurations were realized and compared with the standard configuration without refrigerating liquid for evaluating the influence of silicone liquid and of polymethylmethacrylate layers

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Effective heat dissipation and geometric optimization in an LED module with aluminum nitride (AlN) insulation plate

Jeong

Jeon

Lee

et al. 2015

Applied Thermal Engineering

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Thermal and luminous investigations of a pcLED based refrigerating liquid prototype

Cited by 6 publications

References 20 publications

Study of GaN-Based Thermal Decomposition in Hydrogen Atmospheres for Substrate-Reclamation Processing

Study of GaN-Based Thermal Decomposition in Hydrogen Atmospheres for Substrate-Reclamation Processing

Productivity comparison and performance improvement of a concentrated photovoltaic

Effective heat dissipation and geometric optimization in an LED module with aluminum nitride (AlN) insulation plate

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