Hydrothermal method for the synthesis of Sb2Te3, and Bi0.5Sb1.5Te3 nanoplates and their thermoelectric properties

被引：15
作者：
Dharmaiah, Peyala [1 ]
Hong, Soon-Jik [1 ]
机构：
[1] Kongju Natl Univ, Div Adv Mat Engn, Cheonan, Chungcheongnam, South Korea
来源：
INTERNATIONAL JOURNAL OF APPLIED CERAMIC TECHNOLOGY | 2018年 / 15卷 / 01期
基金：
新加坡国家研究基金会;
关键词：
Antimony telluride; grain boundaries; hydrothermal synthesis; spark plasma sintering; thermoelectric materials; PERFORMANCE;
D O I：
10.1111/ijac.12762
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
In this study, a modified hydrothermal method is reported for the preparation of Sb2Te3 and Bi0.5Sb1.5Te3 nanoplates and their bulk samples was prepared by spark plasma sintering (SPS). The crystal structure, morphology, and thermoelectric properties were investigated. The microstructure results indicate that the bulk samples consisted nanograins after SPS. The presence of nanograins, high Seebeck coefficient (181 V/K), high electrical conductivity (763 (-1) cm(-1)), and low thermal conductivity (1.15 W/mK) has been achieved in Sb2Te3 nanoplate bulk samples. As a result, the dimensionless thermoelectric figure of merit (ZT) of 0.55 at 400 K was achieved. Moreover, the peak ZT shifted to higher temperature compared with other reported results found in literature.
引用
收藏
页码：132 / 139
页数：8
相关论文
共 31 条
  • [1] Cooling, heating, generating power, and recovering waste heat with thermoelectric systems
    Bell, Lon E.
    [J]. SCIENCE, 2008, 321 (5895) : 1457 - 1461
  • [2] High-performance bulk thermoelectrics with all-scale hierarchical architectures
    Biswas, Kanishka
    He, Jiaqing
    Blum, Ivan D.
    Wu, Chun-I
    Hogan, Timothy P.
    Seidman, David N.
    Dravid, Vinayak P.
    Kanatzidis, Mercouri G.
    [J]. NATURE, 2012, 489 (7416) : 414 - 418
  • [3] FABRICATION OF Zn4Sb3 ALLOYS BY A COMBINATION OF GAS-ATOMIZATION AND SPARK PLASMA SINTERING PROCESSES
    Dharmaiah, P.
    Kim, H-S.
    Lee, K-H.
    Hong, S-J.
    [J]. ARCHIVES OF METALLURGY AND MATERIALS, 2015, 60 (02) : 1417 - 1421
  • [4] Thermoelectric Properties of Bi2Te3 Nanocrystals with Diverse Morphologies Obtained via Modified Hydrothermal Method
    Dharmaiah, Peyala
    Hong, Soon-Jik
    [J]. JOURNAL OF ELECTRONIC MATERIALS, 2017, 46 (05) : 3012 - 3019
  • [5] Influence of powder size on thermoelectric properties of p-type 25% Bi2Te3-75%Sb2Te3 alloys fabricated using gas-atomization and spark-plasma sintering
    Dharmaiah, Peyala
    Kim, Hyo-Seob
    Lee, Chul-Hee
    Hong, Soon-Jik
    [J]. JOURNAL OF ALLOYS AND COMPOUNDS, 2016, 686 : 1 - 8
  • [6] Microwave-assisted rapid synthesis of Sb2Te3 nanosheets and thermoelectric properties of bulk samples prepared by spark plasma sintering
    Dong, Guo-Hui
    Zhu, Ying-Jie
    Chen, Li-Dong
    [J]. JOURNAL OF MATERIALS CHEMISTRY, 2010, 20 (10) : 1976 - 1981
  • [7] New directions for low-dimensional thermoelectric materials
    Dresselhaus, Mildred S.
    Chen, Gang
    Tang, Ming Y.
    Yang, Ronggui
    Lee, Hohyun
    Wang, Dezhi
    Ren, Zhifeng
    Fleurial, Jean-Pierre
    Gogna, Pawan
    [J]. ADVANCED MATERIALS, 2007, 19 (08) : 1043 - 1053
  • [8] Roles of interstitial Mg in improving thermoelectric properties of Sb-doped Mg2Si0.4Sn0.6 solid solutions
    Du, Zhengliang
    Zhu, Tiejun
    Chen, Yi
    He, Jian
    Gao, Hongli
    Jiang, Guangyu
    Tritt, Terry M.
    Zhao, Xinbing
    [J]. JOURNAL OF MATERIALS CHEMISTRY, 2012, 22 (14) : 6838 - 6844
  • [9] BixSb2-xTe3 nanoplates with enhanced thermoelectric performance due to sufficiently decoupled electronic transport properties and strong wide-frequency phonon scatterings
    Hong, Min
    Chen, Zhi G.
    Yang, Lei
    Zou, Jin
    [J]. NANO ENERGY, 2016, 20 : 144 - 155
  • [10] RELATIONS BETWEEN STRUCTURE, BONDING, AND NATURE OF POINT-DEFECTS IN LAYERED CRYSTALS OF TETRADYMITE STRUCTURE
    HORAK, J
    STARY, Z
    KLIKORKA, J
    [J]. PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS, 1988, 147 (02): : 501 - 510
1234