Effects of Ag-Doping on Thermoelectric Properties of Ca(2−x)AgxSi Alloys

Duan, Xingkai; Hu, Konggang; Kuang, Jing; Yue-zhen, Jiang; Yi, Deng-Liang

doi:10.1007/s11664-016-5088-y

Cited by 6 publications

(1 citation statement)

References 19 publications

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“…It is also found that the Ca 1−x Ag x Ti 1−y Co y O 3 sample has weak peaks of silver at 44.3 and 77.4°, and a characteristic peak of CoTi 2 O 5 at around 27°, indicating the limited solubility of silver and Co in CaTiO 3 (see ESI text S2 and Tables S1-S3 † for detailed structural information for XRD). 25 According to Duan's report, 26 when the doping amount of silver is too high or too low, the charge balance of the perovskite crystal cannot be adjusted. Especially when the doping amount is high, elemental silver will be formed.…”

Section: Catalytic Degradation Testsmentioning

confidence: 99%

Microwave-assisted synthesis of defective Ca_1−xAg_xTi_1−yCo_yO₃ with high photoelectrocatalytic activity for organic pollutant removal from water

et al. 2022

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Section: Catalytic Degradation Testsmentioning

confidence: 99%

Microwave-assisted synthesis of defective Ca_1−xAg_xTi_1−yCo_yO₃ with high photoelectrocatalytic activity for organic pollutant removal from water

et al. 2022

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Enhanced thermoelectric performance of hydrothermal synthesized Ag incorporated Cu2-xS micro/nano composites

Yue

Zhou

et al. 2023

Ceramics International

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Thermoelectric degrees of freedom determining thermoelectric efficiency

Ryu¹,

Chung²,

Park³

2021

iScience

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Summary For over half a century, the development of thermoelectric materials has based on the dimensionless figure of merit , assuming that the efficiency is mainly determined by this single parameter. Here, we show that the thermoelectric conversion efficiency is determined by three independent parameters, , τ , and β , which we call the three thermoelectric degrees of freedom (DoFs). is the well-defined mean of the traditional under nonzero temperature differences. The two additional parameters τ and β are gradients of material properties and crucial to evaluating the heat current altered by nonzero Thomson heat and asymmetric Joule heat escape. Each parameter is a figure of merit. Therefore, increasing one of the three DoFs leads to higher efficiency. Our finding explains why the single-parameter theory is inaccurate. Further, it suggests an alternative direction in material discovery and device design in thermoelectrics, such as high τ and β , beyond .

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Effects of Ag-Doping on Thermoelectric Properties of Ca(2−x)AgxSi Alloys

Cited by 6 publications

References 19 publications

Microwave-assisted synthesis of defective Ca_1−xAg_xTi_1−yCo_yO₃ with high photoelectrocatalytic activity for organic pollutant removal from water

Microwave-assisted synthesis of defective Ca_1−xAg_xTi_1−yCo_yO₃ with high photoelectrocatalytic activity for organic pollutant removal from water

Enhanced thermoelectric performance of hydrothermal synthesized Ag incorporated Cu2-xS micro/nano composites

Thermoelectric degrees of freedom determining thermoelectric efficiency

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Effects of Ag-Doping on Thermoelectric Properties of Ca(2−x)AgxSi Alloys

Cited by 6 publications

References 19 publications

Microwave-assisted synthesis of defective Ca1−xAgxTi1−yCoyO3 with high photoelectrocatalytic activity for organic pollutant removal from water

Microwave-assisted synthesis of defective Ca1−xAgxTi1−yCoyO3 with high photoelectrocatalytic activity for organic pollutant removal from water

Enhanced thermoelectric performance of hydrothermal synthesized Ag incorporated Cu2-xS micro/nano composites

Thermoelectric degrees of freedom determining thermoelectric efficiency

Contact Info

Product

Resources

About

Microwave-assisted synthesis of defective Ca_1−xAg_xTi_1−yCo_yO₃ with high photoelectrocatalytic activity for organic pollutant removal from water

Microwave-assisted synthesis of defective Ca_1−xAg_xTi_1−yCo_yO₃ with high photoelectrocatalytic activity for organic pollutant removal from water