A5100332338- Advanced Thermoelectric Materials and Devices
- X-ray Diffraction in Crystallography
- Crystallization and Solubility Studies
- Thermal properties of materials
- Chalcogenide Semiconductor Thin Films
- Thermal Radiation and Cooling Technologies
- 2D Materials and Applications
- Heusler alloys: electronic and magnetic properties
- Quantum Dots Synthesis And Properties
- Perovskite Materials and Applications
- Magnetic and transport properties of perovskites and related materials
- MXene and MAX Phase Materials
- Thermal Expansion and Ionic Conductivity
- Graphene research and applications
- Advanced Thermodynamics and Statistical Mechanics
- Nuclear materials and radiation effects
- AI in cancer detection
- Smart Materials for Construction
- Radioactive element chemistry and processing
- Advanced Condensed Matter Physics
- Digital Imaging for Blood Diseases
- Graphite, nuclear technology, radiation studies
- Transition Metal Oxide Nanomaterials
- Advanced Sensor and Energy Harvesting Materials
- Conducting polymers and applications
Nanjing Tech University
2016-2025
Collaborative Innovation Center of Chemistry for Energy Materials
2025
Fudan University
2025
Harbin Institute of Technology
2014-2025
Hefei National Center for Physical Sciences at Nanoscale
2025
University of Science and Technology of China
2025
Institute for Health Metrics and Evaluation
2023-2024
Xiamen University
2024
Institute of Microbiology
2022
Sandia National Laboratories
1999-2022
Thermoelectric power generation technology is now expected to help overcome global warming and climate change issues by recovering converting waste heat into electricity, thus improving the total efficiency of energy utilization suppressing consumption fossil fuels that are supposedly major sources CO 2 emission. oxides, composed nontoxic, naturally abundant, light, cheap elements, play a vital role in extensive applications for recovery an air atmosphere. This review article summarizes our...
Metal oxides (Ca 3 Co 4 O 9 , CaMnO SrTiO In 2 ), Ti sulfides, and Mn silicides are promising thermoelectric (TE) material candidates for cascade‐type modules that usable in a temperature range of 300–1200 K air. this paper, we review previous studies the field TE materials development make recommendations each regarding future research. Furthermore, R&D composed metal oxide prospect their commercialization energy harvesting is demonstrated.
<h2>Summary</h2><h3>Background</h3> The COVID-19 pandemic highlighted gaps in health surveillance systems, disease prevention, and treatment globally. Among the many factors that might have led to these is issue of financing national especially low-income middle-income countries (LMICs), as well a robust global system for preparedness. We aimed provide comparative assessment spending at onset pandemic; characterise amount development assistance preparedness response disbursed first 2 years...
Abstract Dense point defects can strengthen phonon scattering to reduce the lattice thermal conductivity and induce outstanding thermoelectric performance in GeTe‐based materials. However, extra inevitably enlarge carrier deteriorate mobility. Herein, it is found that interstitial Cu GeTe result synergistic effects, which include: 1) strengthened scattering, leading ultralow of 0.48 W m −1 K at 623 K; 2) weakened contributing high mobility 80 cm 2 V s 300 3) optimized concentration 1.22 × 10...
Abstract Compatible p‐ and n‐type materials are necessary for high‐performance GeTe thermoelectric modules, where the counterparts in urgent need. Here, it is reported that p‐type can be tuned into by decreasing formation energy of Te vacancies via AgBiTe 2 alloying. alloying induces Ag precipitates tunes carrier concentration close to optimal level, leading a high‐power factor 6.2 µW cm −1 K −2 at 423 K. Particularly, observed hierarchical architectural structures, including phase...
The coupled relationship between carrier and phonon scattering severely limits the thermoelectric performance of n-type GeTe materials. Here, we provide an efficient strategy to enlarge grains induce vacancy clusters for decoupling carrier-phonon through annealing optimization GeTe-based Specifically, boundary migration is used by optimizing time, while are induced aggregation Ge vacancies during annealing. Such enlarged can weaken scattering, strengthen leading decoupled scattering. As a...
A series of (MS)1+x(TiS2)2 (M = Pb, Bi, Sn) misfit layer compounds are proposed as bulk thermoelectric materials. They composed alternating rock-salt-type MS layers and paired trigonal anti-prismatic TiS2 with a van der Waals gap. This naturally modulated structure shows low lattice thermal conductivity close to or even lower than the predicted minimum conductivity. Measurement sound velocities that ultra-low partially originates from softening transverse modes wave due weak interlayer...
Graphene has attracted intensive interests from broad areas of chemistry, physics, and materials science, among others. Interest in graphene's thermoelectric (TE) applications engendered a large pile publications speeding-up pace research, making review such research timely. This is covering the TE properties their optimization strategies graphene graphene-based hybrids, as well utilizations other functional devices.
Abstract According to the Mott's relation, figure‐of‐merit of a thermoelectric material depends on charge carrier concentration and mobility. This explains observation that low properties GeTe‐based materials suffer from degraded mobility, account fluctuation electronegativity ionicity various elements. Here, high‐performance CuBiSe 2 alloyed GeTe with high mobility due small difference between Cu Ge atoms weak CuTe BiTe bonds, is developed. Density functional theory calculations indicate...
Abstract In this work, a record high thermoelectric figure‐of‐merit ZT of 1.6 ± 0.2 at 873 K in p‐type polycrystalline Bi 0.94 Pb 0.06 CuSe 1.01 O 0.99 by synergy rational band manipulation and novel nanostructural design is reported. First‐principles density functional theory calculation results indicate that the state Fermi level crosses valence can be significantly reduced measured optical bandgap enlarged from 0.70 to 0.74 eV simply replacing 1% with Se, both indicating potentially...
Abstract As an eco‐friendly oxide‐based thermoelectric material, Bi 2 O Se exhibits considerable potential for practical device application, but its low electrical conductivity needs to be further improved achieve higher performance. Here, a record‐high figure of merit, ZT >0.7 at 773 K in the shear‐exfoliated nanostructured with graphite nanosheets as multifunctional secondary nanoinclusions, is achieved. The introduced regularize arrangement nanograins, strengthen anisotropy, and act...
Abstract Inorganic semiconductor Ag 2 S with excellent plasticity is highly desired in flexible and wearable thermoelectrics. However, the compromise between thermoelectric performance limits advances S‐based materials their devices. Here, a 0.5 mol.% Te‐alloyed Se bulk material designed, which has competitively high near‐room‐temperature figure of merit ≈0.43 at 323 K an ultra‐high bending strain ≈32.5% without cracks. Introducing Te can optimize carrier concentration mobility matrix due to...
A great improvement in the thermoelectric and mechanical properties of a TiNiSn-based compound has been achieved by entropy engineering.
Abstract Stable operation of thermoelectric devices requires both p‐ and n‐type materials with desirable compatibility similar application temperature range. However, GeTe‐based currently have a lower range (<525 K) than p‐type (500–800 due to the strong bipolar effect. Here, it is demonstrated that effect GeTe can be inhibited by combination bandgap enlargement minority carrier filtering. Specifically, reducing cation vacancies enlarge bandgap, while introducing localized heavy doping...
Abstract Dopability plays a pivotal role in determining the limit of carrier concentration and chemical potential semiconductor thermoelectric materials, which are directly related to figure merit. Here, doping behavior mechanism cobalt (Co) GeTe‐based materials first investigated. According theoretical calculations tentative experiments, extremely hard Co dopability GeTe system is ascribed formation an insoluble intermetallic phase eutectics, even though point defect energy charge...
A series of nanograined dense SrTiO3 ceramics were examined for thermal conductivity, κ, as a function average grain size d. The κ decreased gradually with decreasing d, primarily due to significantly increased number interfaces heat transport barriers. Lowest at 300 and 1000 K, obtained in 55-nm-grained sample, about 50 24% smaller than those bulk single crystal. Kapitza-type interfacial resistance was estimated, the dependence on formalized, which shows theoretical minimum could be...
Two thin-film assembly methods are coupled to address proteins. Electrodeposition confers programmability and generates a template for layer-by-layer (LbL) assembly. LbL enables precise control of film thickness the incorporation labile biological components. The capabilities demonstrated using glucose oxidase (GOx) based electrochemical biosensing within microfabricated fluidic device.