Effects of Bi2Te3 doping on the thermoelectric properties of Cu2Se alloys

Article Chemistry, Physical

Excellent dispersion effects of carbon nanodots on the thermoelectric properties of Bi2Te2.7Se0.3 with excessive Te

Xin Liu et al.

Summary: By introducing excess Te and carbon nanodots as a dispersed nanosecond phase, the thermoelectric performance of Bi2Te2.7Se0.3 was optimized. The power factor and ZT value were improved as a result.

JOURNAL OF ALLOYS AND COMPOUNDS (2022)

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Article Chemistry, Physical

Enhanced Thermoelectric Performance of Bi-Se Co-Doped Cu1.8S via Carrier Concentration Regulation and Multiscale Phonon Scattering

Ying-Hao Zhao et al.

Summary: The study demonstrates that Bi-Se co-doping can significantly enhance the thermoelectric properties of copper sulfides by introducing extra electrons and multiscale defects to reduce thermal conductivity, resulting in a higher ZT value compared to pure copper sulfides. This is of great importance for the development of high-performance thermoelectric materials.

ACS APPLIED ENERGY MATERIALS (2022)

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Article Chemistry, Physical

Highly sensitive solar-blind deep ultraviolet photodetector based on graphene/PtSe2/β-Ga2O3 2D/3D Schottky junction with ultrafast speed

Di Wu et al.

Summary: This study demonstrates the successful fabrication of high-sensitivity solar-blind deep ultraviolet (DUV) photodetectors using two-/three-dimensional graphene/PtSe2/beta-Ga2O3 Schottky junction devices. The photodetector shows high responsivity, a large on/off current ratio, ultra-fast response time, remarkable specific detectivity, and excellent DUV imaging capability, indicating great potential for DUV imaging systems.

NANO RESEARCH (2021)

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Article Nanoscience & Nanotechnology

Realize High Thermoelectric Properties in n-Type Bi2Te2.7Se0.3/Y2O3 Nanocomposites by Constructing Heterointerfaces

Qiujun Hu et al.

Summary: In this study, n-type Bi2Te2.7Se0.3 based thermoelectric materials incorporated with nanosized Y2O3 were prepared and studied, leading to significantly improved thermoelectric performance due to the multiscale interface modifications induced by the Y2O3 nanoparticles. The addition of Y2O3 NPs effectively reduced the thermal conductivity, increased the hardness, and maintained excellent thermoelectric properties in the entire operating temperature range. The strategy of high-density heterogeneous interfaces implemented by Y2O3 NP addition provides a feasible pathway for fabricating high-performance thermoelectric materials with optimized properties.

ACS APPLIED MATERIALS & INTERFACES (2021)

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Article Engineering, Electrical & Electronic

Synergetic Enhancement of the Power Factor and Suppression of Lattice Thermal Conductivity via Electronic Structure Modification and Nanostructuring on a Ni- and B-Codoped p-Type Si-Ge Alloy for Thermoelectric Application

Omprakash Muthusamy et al.

Summary: Modifying the electronic structure, tuning carrier concentration, and nano-structuring were effective strategies to improve the power factor and reduce the thermal conductivity of Si-Ge material. By introducing nickel and boron into Si-Ge, the electronic structure was modified and the carrier concentration was optimized, leading to a high power factor and reduced thermal conductivity at 1000 K. Ultimately, a large dimensionless figure of merit ZT of around 1.56 was achieved, indicating enhanced thermoelectric performance of Si-Ge.

ACS APPLIED ELECTRONIC MATERIALS (2021)

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Review Chemistry, Multidisciplinary

Promising and Eco-Friendly Cu2X-Based Thermoelectric Materials: Progress and Applications

Wei-Di Liu et al.

ADVANCED MATERIALS (2020)

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Article Chemistry, Multidisciplinary

Manipulating the Ge Vacancies and Ge Precipitates through Cr Doping for Realizing the High-Performance GeTe Thermoelectric Material

Jing Shuai et al.

SMALL (2020)

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Article Chemistry, Physical

High-Efficiency Thermoelectric Power Generation Enabled by Homogeneous Incorporation of MXene in (Bi,Sb)2Te3 Matrix

Xiaofang Lu et al.

ADVANCED ENERGY MATERIALS (2020)

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Article Engineering, Electrical & Electronic

Room temperature Bi2Te3-based thermoelectric materials with high performance

Sahiba Bano et al.

JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS (2020)

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Article Chemistry, Physical

High thermoelectric performance in nano-SiC dispersed Bi1.6Pb0.4Sr2Co2Oy compounds

Mengmeng Fan et al.

JOURNAL OF ALLOYS AND COMPOUNDS (2020)

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Review Chemistry, Physical

Doping Effect on Cu2Se Thermoelectric Performance: A Review

Yuanhao Qin et al.

MATERIALS (2020)

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Article Chemistry, Multidisciplinary

Enhanced sodium storage kinetics by volume regulation and surface engineering via rationally designed hierarchical porous FeP@C/rGO

Ye Wang et al.

NANOSCALE (2020)

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Article Chemistry, Multidisciplinary

Realizing record high performance in n-type Bi2Te3-based thermoelectric materials

Bin Zhu et al.

ENERGY & ENVIRONMENTAL SCIENCE (2020)

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Article Materials Science, Multidisciplinary

Enhanced thermoelectric properties of the Lu-doped and CNT-dispersed Bi2Te3 alloy

Ruijuan Cao et al.

APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING (2019)

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Article Nanoscience & Nanotechnology

Low Thermal Conductivity and Optimized Thermoelectric Properties of p-Type Te-Sb2Se3: Synergistic Effect of Doping and Defect Engineering

Decheng An et al.

ACS APPLIED MATERIALS & INTERFACES (2019)

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Article Materials Science, Multidisciplinary

High thermoelectric performance and low thermal conductivity in Cu2-xNaxSe bulk materials with micro-pores

Zheng Zhu et al.

APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING (2019)

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Article Chemistry, Multidisciplinary

Design and understanding of core/branch-structured VS2 nanosheets@CNTs as high-performance anode materials for lithium-ion batteries

Xing Li et al.

NANOSCALE (2019)

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Article Chemistry, Physical

High thermoelectric properties of (Sb, Bi)(2)Te-3 nanowire arrays by tilt-structure engineering

Ming Tan et al.

APPLIED SURFACE SCIENCE (2018)

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Article Chemistry, Multidisciplinary

Realizing high performance n-type PbTe by synergistically optimizing effective mass and carrier mobility and suppressing bipolar thermal conductivity

Yu Xiao et al.

ENERGY & ENVIRONMENTAL SCIENCE (2018)

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Article Physics, Applied

Enhanced thermoelectric properties of Hg-doped Cu2Se

Erying Li et al.

INTERNATIONAL JOURNAL OF MODERN PHYSICS B (2018)

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Article Physics, Applied

Thermoelectric properties of Tl and I dual-doped Bi2Te3-based alloys

Fang Wu et al.

INTERNATIONAL JOURNAL OF MODERN PHYSICS B (2018)

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Article Engineering, Electrical & Electronic

Preparation and Thermoelectric Properties of Cu2Se Hot-Pressed from Hydrothermal Synthesis Nanopowders

F. Gao et al.

JOURNAL OF ELECTRONIC MATERIALS (2018)

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Article Materials Science, Multidisciplinary

Enhanced thermoelectric properties of Cu2-Se nanopowder dispersed Bi2Ba2Co2Oy ceramics

Ruijuan Cao et al.

APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING (2018)

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Article Chemistry, Physical

Ultra-high thermoelectric performance in graphene incorporated Cu2Se: Role of mismatching phonon modes

Meng Li et al.

NANO ENERGY (2018)

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Article Materials Science, Multidisciplinary

Enhancement of thermoelectric performance of Cu1.98Se by Pb doping

Zheng Zhu et al.

APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING (2018)

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Article Materials Science, Multidisciplinary

Enhancement of thermoelectric performance of Cu2Se by K doping

Zheng Zhu et al.

APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING (2018)

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Article Chemistry, Physical

Remarkably high thermoelectric performance of Cu2-xLixSe bulks with nanopores

Qiujun Hu et al.

JOURNAL OF MATERIALS CHEMISTRY A (2018)

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Article Chemistry, Multidisciplinary

Ultrahigh thermoelectric performance in Cu2Se-based hybrid materials with highly dispersed molecular CNTs

Raghavendra Nunna et al.

ENERGY & ENVIRONMENTAL SCIENCE (2017)

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Article Physics, Applied

Thermoelectric properties of Cu2Se/xNi0.85Se hot-pressed from hydrothermal synthesis nanopowders

Feng Gao et al.

MODERN PHYSICS LETTERS B (2017)

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Article Physics, Multidisciplinary

Hopping Time Scales and the Phonon-Liquid Electron-Crystal Picture in Thermoelectric Copper Selenide

D. J. Voneshen et al.

PHYSICAL REVIEW LETTERS (2017)

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Article Chemistry, Physical

Significant enhancement of figure-of-merit in carbon-reinforced Cu2Se nanocrystalline solids

Lanling Zhao et al.

NANO ENERGY (2017)

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Article Chemistry, Physical

Enhanced thermoelectric properties of β-Cu2Se by incorporating CuGaSe2

S. Liu et al.

JOURNAL OF ALLOYS AND COMPOUNDS (2016)

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Article Chemistry, Physical

High-Performance Thermoelectricity in Nanostructured Earth-Abundant Copper Sulfides Bulk Materials

Zhen-Hua Ge et al.

ADVANCED ENERGY MATERIALS (2016)

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Article Chemistry, Physical

Te-Doped Cu2Se nanoplates with a high average thermoelectric figure of merit

Lei Yang et al.

JOURNAL OF MATERIALS CHEMISTRY A (2016)

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Article Chemistry, Physical

Carrier distribution in multi-band materials and its effect on thermoelectric properties

Jun Mao et al.

JOURNAL OF MATERIOMICS (2016)

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Article Chemistry, Physical

Multiformity and fluctuation of Cu ordering in Cu2Se thermoelectric materials

Ping Lu et al.

JOURNAL OF MATERIALS CHEMISTRY A (2015)

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Article Chemistry, Physical

High-performance thermoelectric Cu2Se nanoplates through nanostructure engineering

Lei Yang et al.

NANO ENERGY (2015)

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Article Chemistry, Multidisciplinary

Origin of the High Performance in GeTe-Based Thermoelectric Materials upon Bi2Te3 Doping

Di Wu et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2014)

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Article Materials Science, Multidisciplinary

Thermoelectric properties of Ce-doped n-type CexBi2-xTe2.7Se0.3 nanocomposites

Fang Wu et al.

PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE (2013)

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Article Materials Science, Multidisciplinary

Chemical synthesis of Cu2Se nanoparticles at room temperature

Fengxia Rong et al.

MATERIALS RESEARCH BULLETIN (2012)

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Article Chemistry, Physical

Copper ion liquid-like thermoelectrics

Huili Liu et al.

NATURE MATERIALS (2012)

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Article Multidisciplinary Sciences

Enhancement of thermoelectric efficiency in PbTe by distortion of the electronic density of states

Joseph P. Heremans et al.

SCIENCE (2008)

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Article Engineering, Industrial

The effect of test specimen size and strain-rate on liquid segregation in deformation behavior of mushy state material

PK Seo et al.

JOURNAL OF MATERIALS PROCESSING TECHNOLOGY (2002)

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Effects of Bi2Te3 doping on the thermoelectric properties of Cu2Se alloys

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