2021
DOI: 10.1016/j.scriptamat.2020.113710
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Enhanced thermoelectric efficiency of the bulk composites consisting of “Bi2Te3 matrix” and “filler Ni@NiTe2 inclusions”

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Cited by 11 publications
(11 citation statements)
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“…Unfortunately, the thermoelectric efficiency of these materials also remains to be too low until now (ZT≈1). To improve the thermoelectric properties of Bi 2 Te 3 and Bi 2 Te 3 -based alloys, a number of investigations using various physical and technological approaches have been carried out [14][15][16][17][18][19][20][21][22][23][24]. The core of these investigations is based on defect engineering.…”
Section: Introductionmentioning
confidence: 99%
“…Unfortunately, the thermoelectric efficiency of these materials also remains to be too low until now (ZT≈1). To improve the thermoelectric properties of Bi 2 Te 3 and Bi 2 Te 3 -based alloys, a number of investigations using various physical and technological approaches have been carried out [14][15][16][17][18][19][20][21][22][23][24]. The core of these investigations is based on defect engineering.…”
Section: Introductionmentioning
confidence: 99%
“…Also, Yaprintsev et al found enhanced thermoelectric efficiency, where zT of a bulk Bi 2 Te 3 compound was improved from zT = 0.3 to zT = 0.67 (at 400 K) by introducing Ni@NiTe 2 core-shell inclusions into Bi 2 Te 3 matrix. 161 Similarly, Cai et al found improved thermoelectric performance from PbSe after the incorporation of core-shell nanoscale CdSe precipitates in PbSe. 162 As shown by Fig.…”
Section: Reviewmentioning
confidence: 94%
“…Before analyzing features of the microstructure and thermoelectric properties of the cermet Bi 2 Te 3 +xNi composites, main patterns of their formation should be considered in brief [13,14]. The starting single-phased Bi 2 Te 3 powder (hexagonal R3m structure with lattice a = 0.4354 nm and c = 3.035 nm parameters), which mainly consisted of hexagonal plates with average plate size of several hundreds of nm and width of ~100 nm, was applied to get grained matrix of the composite.…”
Section: Forming the Bulk Cermet Bi 2 Te 3 +Xni Composites Under Sps-...mentioning
confidence: 99%
“…In contrast to the structural cermet composites, the thermoelectric cermet composites with the metallic magnetic inclusions are functional materials, since embedding the inclusions into the matrix should primarily improve the specific thermoelectric (functional) properties of the composite. At present, the composite, consisting of the grained Bi 2 Te 3 matrix with the metallic Ni filler, can be considered as one of promising thermoelectric cermet composites with magnetic inclusions [13,14]. Matrix Bi 2 Te 3 semiconductor is usually applied as end member to prepare n-type Bi 2 Te 3-x Se x and p-type Bi 2-x Sb x Te 3 alloys for various low-temperature thermoelectric applications [15,16].…”
Section: Introductionmentioning
confidence: 99%