Results 11 to 20 of about 34,606 (255)
Nature Communications, 2023 Broadband spectral photoresponse has shown bright prospects for various optoelectronic devices, while fulfilling high photoactivity beyond the material bandgap is a great challenge.
Xi Zeng +10 more
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Pyroelectric Energy Conversion and Its Applications—Flexible Energy Harvesters and Sensors
Sensors, 2019 Among the various forms of natural energies, heat is the most prevalent and least harvested energy. Scavenging and detecting stray thermal energy for conversion into electrical energy can provide a cost-effective and reliable energy source for modern ...
Atul Thakre +4 more
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APL Materials, 2021 The hafnium oxide material class is characterized by the coexistence of several polymorphs between which phase transitions are induced by means of composition and external electric fields. Pyroelectric materials, which convert heat into electrical energy,
Clemens Mart +7 more
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Pyroelectric infrared detectors and materials—A critical perspective
Journal of Applied Physics, 2023 Pyroelectric infrared detectors (PIRDs) have a number of advantages over other IR sensors, including room-temperature operation, wide wavelength sensitivity, and low cost, leading to their use in many applications and a market expected to reach U.S.$68 ...
R. Whatmore, Samuel J. Ward
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Nature Communications, 2023 Pyroelectric energy harvesting has received increasing attention due to its ability to convert low-grade waste heat into electricity. However, the low output energy density driven by low-grade temperature limits its practical applications.
Meng Shen +9 more
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Large harvested energy with non-linear pyroelectric modules
Nature, 2022 Coming up with sustainable sources of electricity is one of the grand challenges of this century. The research field of materials for energy harvesting stems from this motivation, including thermoelectrics1, photovoltaics2 and thermophotovoltaics3 ...
P. Lheritier +10 more
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Thermal energy harvesting using pyroelectric-electrochemical coupling in ferroelectric materials [PDF]
Joule, 2020 Recently, the coupling of ferroelectrics with electrochemical reactions hasattracted increasing interest for harvesting waste heat. The change of polarization of a ferroelectric with temperature can be used to influence chemical reactions, especially ...
Yan Zhang +6 more
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Study on Pyroelectric Harvesters Integrating Solar Radiation with Wind Power
Energies, 2015 Pyroelectric harvesters use temperature fluctuations to generate electrical outputs. Solar radiation and waste heat are rich energy sources that can be harvested.
Chun-Ching Hsiao +2 more
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Studying the Pyroelectric Effects of LiNbO3 Modified Composites
Nanoscale Research Letters, 2020 LiNbO3 (LN) crystal has been widely used as a pyroelectric material due to its spontaneous electric polarization, which could be recharged easily and can directly convert heat energy into electricity.
Fan Zhang +7 more
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Design of wideband terahertz pyroelectric detector based on metasurface [PDF]
Journal of Hebei University of Science and TechnologyIn order to solve the problems of low absorption efficiency and small frequency range of traditional terahertz (THz) detectors, a broadband terahertz metasurface pyroelectric detector was proposed by combining a dual metasurface absorption array ...
Ming ZHANG +6 more
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