Thermoelectric Characteristics of Bulk Cr2Te3 with Low Lattice Thermal Conductivity

被引：0

作者：

Shin, Donghyun ^{[1
,2
]}

Kim, Hyunji ^{[1
,2
]}

Kahiu, Joseph Ngugi ^{[1
,2
]}

Kihoi, Samuel Kimani ^{[2
]}

Lee, Ho Seong ^{[1
,2
,3
]}

机构：

[1] Kyungpook Natl Univ, Sch Mat Sci & Engn, 80 Daehak Ro, Daegu 41566, South Korea

[2] Kyungpook Natl Univ, Dept Mat Sci & Met Engn, 80 Daehak Ro, Daegu 41566, South Korea

[3] Kyungpook Natl Univ, Res Inst Automative Parts & Mat, 80 Daehak Ro, Daegu 41566, South Korea

来源：

ELECTRONIC MATERIALS LETTERS | 2025年 / 21卷 / 01期

基金：

新加坡国家研究基金会;

关键词：

Chromium telluride; Metal chalcogenide; Thermoelectric; Lattice thermal conductivity; Layered structure; PERFORMANCE; BI2TE3; ALLOYS; FIGURE; POWER; SB;

D O I：

10.1007/s13391-024-00523-x

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this study, we aimed to synthesize bulk Cr2Te3 and evaluate its thermoelectric properties. Previously, Cr2Te3 with a layered structure has primarily been synthesized in thin film form for studies that focused on its magnetic properties. The intrinsic layered structure of Cr2Te3 can contributes to its low lattice thermal conductivity. Our experimental results confirmed the successful synthesis of a homogeneous single-phase specimen and revealed a significantly low lattice thermal conductivity of 0.31 W/mK at 673 K. Additionally, we explored the substitution of titanium and germanium at chromium sites as a method to enhance thermoelectric performance, achieving a notable increase in the power factor. [GRAPHICS] .

引用

页码：70 / 78

页数：9

共 50 条

[21] Crystalline Solids with Intrinsically Low Lattice Thermal Conductivity for Thermoelectric Energy Conversion
Jana, Manoj K.
Biswas, Kanishka
ACS ENERGY LETTERS, 2018, 3 (06): : 1315 - 1324
[22] Ultra-low lattice thermal conductivity and high thermoelectric efficiency of K3AuO
Zhong, Qi
Dai, Zhenhong
Wang, Junping
Zhao, Yinchang
Meng, Sheng
JOURNAL OF APPLIED PHYSICS, 2021, 130 (04)
[23] First principle studies on lattice thermal conductivity and thermoelectric properties of ScCu(S,Se,Te)2
Rugut, Elkana
Joubert, Daniel
Jones, Glenn
MATERIALS TODAY COMMUNICATIONS, 2021, 26
[24] Low Thermal Conductivity and Optimized Thermoelectric Properties of p-Type Te-Sb2Se3: Synergistic Effect of Doping and Defect Engineering
An, Decheng
Chen, Shaoping
Lu, Zhenxiao
Li, Rong
Chen, Wei
Fan, Wenhao
Wang, Wenxian
Wu, Yucheng
ACS APPLIED MATERIALS & INTERFACES, 2019, 11 (31) : 27788 - 27797
[25] Effect of Chromium Doping on the Thermoelectric Properties of Bi2Te3: Cr x Bi2Te3 and Cr x Bi2-x Te3
Han, Mi-Kyung
Ryu, Hyein
Kim, Sung-Jin
JOURNAL OF ELECTRONIC MATERIALS, 2013, 42 (09) : 2758 - 2763
[26] Improved Thermoelectric Performance of Free-Standing PEDOT:PSS/Bi2Te3 Films with Low Thermal Conductivity
Song, Haijun
Liu, Congcong
Zhu, Hongfei
Kong, Fangfang
Lu, Baoyang
Xu, Jingkun
Wang, Jianmin
Zhao, Feng
JOURNAL OF ELECTRONIC MATERIALS, 2013, 42 (06) : 1268 - 1274
[27] Aguilarite Ag4SSe Thermoelectric Material: Natural Mineral with Low Lattice Thermal Conductivity
Wang, Tuo
Zhao, Kunpeng
Qiu, Pengfei
Song, Qingfeng
Chen, Lidong
Shi, Xun
ACS APPLIED MATERIALS & INTERFACES, 2019, 11 (13) : 12632 - 12638
[28] Role of vacancy defects on the lattice thermal conductivity in In2O3 thermoelectric nanocrystals: a positron annihilation study
He, H. F.
Zhao, B.
Qi, N.
Wang, B.
Chen, Z. Q.
Su, X. L.
Tang, X. F.
JOURNAL OF MATERIALS SCIENCE, 2018, 53 (18) : 12961 - 12973
[29] Engineered cation vacancy plane responsible for the reduction in lattice thermal conductivity and improvement in the thermoelectric property of Ga2Te3-based semiconductors
Tian, Dingqi
Liu, Haiyun
Deng, Yuan
Du, Zhengliang
Cui, Jiaolin
RSC ADVANCES, 2014, 4 (64) : 34104 - 34109
[30] A strategy for low thermal conductivity and enhanced thermoelectric power factor in one-dimensional Bi2Te3/Cu2Te nanowire composites
Park, Dabin
Ju, Hyun
Kim, Youjin
Kim, Jooheon
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS, 2019, 30 (14) : 13297 - 13304

← 1 2 3 4 5 →