2020
DOI: 10.1021/acsami.9b20753
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Broadband, High-Temperature Stable Reflector for Aerospace Thermal Radiation Protection

Abstract: A simple and thermally stable photonic heterostructure exhibiting high average reflectivity (⟨R⟩ ≈ 88.8%) across a broad wavelength range (920−1450 nm) is presented. The design combines a thin, highly reflective and broadband metallic substrate (Ta) with an optimized dielectric coating (10 layers) to create an enhanced reflector with improved optical and thermal properties compared to its constituents. The heterostructure exhibits temperature-reversible reflective properties up to 1000 °C. In order to take adv… Show more

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Cited by 23 publications
(16 citation statements)
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References 56 publications
(123 reference statements)
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“…In addition, the optimization of chemical formulations and of their processes could generate ceramics with unique structural and functional properties, such as shape-memory and ductility [7,8], transparency [9], high capacity [10], biocompatibility [11], etc. Such properties make ceramic materials applicable in a large range of applications, from sensors [12] to actuators [13], batteries [14], implants [15], protective shields [16], reflectors [17], heat exchangers [18], etc.…”
Section: | Introductionmentioning
confidence: 99%
“…In addition, the optimization of chemical formulations and of their processes could generate ceramics with unique structural and functional properties, such as shape-memory and ductility [7,8], transparency [9], high capacity [10], biocompatibility [11], etc. Such properties make ceramic materials applicable in a large range of applications, from sensors [12] to actuators [13], batteries [14], implants [15], protective shields [16], reflectors [17], heat exchangers [18], etc.…”
Section: | Introductionmentioning
confidence: 99%
“…High thermal shock resistance was a vitally important feature for materials in many application areas, especially for aerospace applications [2,4]. The thermal shock tests were carried by heating the MSUF membranes via butane blowlamp for 30 s, and then immersed into liquid nitrogen (-196 ºC) for 30 s. We endured the thermal shock tests of the MSUF membranes at various (10~100) cycles, and their flexibility and tensile strength retention were investigated.…”
Section: Thermal Stability and Thermal Shock Resistancementioning
confidence: 99%
“…In recent years, materials with robust mechanical properties, excellent thermal stability and low thermal conductivity are highly demanded in aerospace and deep space exploration fields, for personal and aircrafts protection [1][2][3]. While the aircrafts or vehicles reentry atmosphere at high speed, the temperature of the leading edge of the wing and other parts will increase rapidly up to ~1000 ºC in a short time [1][2]. Thus, the thermal insulating materials applied to those aircrafts are always in service under extreme conditions, such as sharp temperature changes and long-period high temperature exposure [4,5].…”
Section: Introductionmentioning
confidence: 99%
“…To evaluate its performance, doubled-sided, heterostructure platelets have been fabricated and impregnated in a composite matrix (resin). A reflectivity enhancement by a factor 11 was observed [6].…”
Section: Introductionmentioning
confidence: 96%