Results 191 to 200 of about 34,176 (253)

Ionic Coordination and Hierarchical Architecture Enable Record n‐Type Thermoelectric Efficiency in Soft Hydrogels

Angewandte Chemie, Volume 138, Issue 18, 27 April 2026.
A Zn2+‐coordinated BMIM–ZnBr ionogel forms a rigid cationic scaffold and a directed anion‐migration channel, enabling pronounced thermodiffusion and an exceptional ionic Seebeck coefficient of −128 mV K−1, a high power factor of 16.7 µW cm−1 K−2, and a promising ZT of 1.1 at room temperature for harvesting low‐grade heat.
Chenyang Zhang, Xiao‐Lei Shi, Xujiang Chao, Mingxu Wang, Wenyi Chen, Qian Liu, Tianyi Cao, Boxuan Hu, Shuai Sun, Zhi‐Gang Chen   +9 more
wiley   +2 more sources

In situ single‐spot Rb/Sr cosmochronology of roedderite in the Ribbeck aubrite (asteroid 2024 BX1)

Meteoritics &Planetary Science, Volume 61, Issue 5, Page 768-781, May 2026.
Abstract The mineralogy and textures of several fragments from the Ribbeck aubrite were analyzed using a combination of scanning electron microscopy, electron microprobe analysis, μRaman spectroscopy, and laser ablation inductively coupled reaction cell mass spectrometry (LA‐ICP‐MS/MS).
Christopher J. Barnes, Aleksander Błasiak, Helge Vinje Birgerheim, Matthias Konrad‐Schmolke, Delia Rösel, Jarosław Majka, Thomas Zack   +6 more
wiley   +1 more source

Transient Absorption Spectroscopy of Blue Copper Sites in Divergent Protein Folds: Azurin Versus Multicopper Oxidase

ChemPhysChem, Volume 27, Issue 8, 28 April 2026.
Ultrafast pump‐probe spectroscopy of two evolutionarily divergent blue copper proteins reveals distinct low‐frequency ground‐state collective modes (38 cm−1 in SLAC, 29 cm−1 in azurin) generated via impulsive stimulated Raman scattering, potentially reflecting the differences in the rigidity of the surrounding protein scaffold beyond a conserved Cu ...
Luis Ignacio Domenianni, Patrycja Kielb
wiley   +1 more source

Cooler, stronger, smaller: improving thermoelectric cooling

National Science Review
Nagendra Singh Chauhan, Takao Mori
openaire   +2 more sources

Electrical Conductivities of Conductors, Semiconductors, and Their Mixtures at Elevated Temperatures

Advanced Engineering Materials, Volume 28, Issue 8, 22 April 2026.
This article presents a comprehensive review of temperature‐dependent electrical conductivity data for multiple material classes at elevated temperatures, highlighting a persistent conductivity gap between metals and semiconductors in the range of 102$\left(10\right)^{2}$– 107$\left(10\right)^{7}$ S/m. Metal–ceramic irregular metamaterials are proposed
Valentina Torres Nieto, Marcia A. Cooper
wiley   +1 more source

Unveiling the Potential of Reduced Graphene Oxide in Self‐Powered Photodetectors

ChemPhysChem, Volume 27, Issue 7, 14 April 2026.
Self‐powered photodetectors have emerged as advanced devices, gathering significant attention in the field of optoelectronics, particularly for their potential in power‐scarce environments. These devices can detect light and generate an electrical current with minimal or no external power supply.
Bitap Raj Thakuria, Indranee Hazarika, Bedanta Gogoi, Amreen Ara Hussain   +3 more
wiley   +1 more source

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Thermoelectrics in cryogenic cooling

2020 IEEE 22nd Electronics Packaging Technology Conference (EPTC), 2020
A use case for thermoelectric coolers (TEC) in cryogenic cooling application is presented where the heat load is small and the required temperature difference between the hot and cold sides ( $\Delta \mathrm{T}$ ) is very high. The application shown here is the cooling of image sensors used in telescopes.
Avijit Goswami, Sachin Kanetkar
openaire   +1 more source

Solid-state cooling: thermoelectrics

Energy & Environmental Science, 2022
This review systematically elucidates the thermoelectric cooling technology, and proposes a strategy for boosting the power factor by improving carrier mobility through utilizing the material-planification concept.
Yongxin Qin, Bingchao Qin, Dongyang Wang, Cheng Chang, Li-Dong Zhao   +4 more
openaire   +1 more source

Thermoelectric Cooling Technology

IEEE Transactions on Industry Applications, 1972
A technology foundation paper on thermoelectric cooling and air conditioning, presenting basic theory and system design parameters is presented with some discussion of applications.
C. J. Mole, D. V. Foster, R. A. Feranchak   +2 more
openaire   +1 more source

Thermoelectrically Cooled GaAlAs Laser Illuminator

Applied Optics, 1970
Required operating wavelengths in GaAs injection lasers have generally determined the operating temperature, preventing the use of optimum refrigeration systems. Recent advances in GaAIAs injection lasers have produced high efficiency lasers with selectable wavelengths from 0.8 microm to 0.9 microm. This paper discusses the refrigeration considerations
D G, Herzog, H, Kressel
openaire   +2 more sources