Realization of n-type BiCuSeO through Co doping

Tan, Shugang; Gao, Chenhao; Wang, Cao; Sun, Yuping; Jing, Qiang; Meng, Qingfeng; Zhou, Tong; Ren, Junfeng

doi:10.1016/j.solidstatesciences.2019.106019

Cited by 10 publications

(9 citation statements)

References 32 publications

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“…Ren et al aimed to increase the Seebeck coefficient by introducing magnetic ions into the BiCuSeO matrix because previous studies on other systems showed that extra spin entropy could be introduced by the magnetic ions, thereby contributing to increasing the Seebeck coefficient [ 55 ]. They found that the BiCuSeO system exhibits n -type electrical transport properties below room temperature when the Co content reaches 20%.…”

Section: Various Attempts To Realize N -Type Bicuseomentioning

confidence: 99%

Section: Figurementioning

confidence: 99%

Section: Figurementioning

confidence: 99%

“…Calculated density of states (DOS) of ( b ) BiCuSeO and ( c ) BiCu 0.875 Co 0.125 SeO, and ( d ) electronic band structure of BiCu 0.875 Co 0.125 SeO. ( b – d ) Reproduced with permission from Reference [ 55 ]. Copyright 2019, Elsevier Masson SAS.…”

Section: Figurementioning

confidence: 99%

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An Update Review on N-Type Layered Oxyselenide Thermoelectric Materials

2021

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Compared with traditional thermoelectric materials, layered oxyselenide thermoelectric materials consist of nontoxic and lower-cost elements and have better chemical and thermal stability. Recently, several studies on n-type layered oxyselenide thermoelectric materials, including BiCuSeO, Bi2O2Se and Bi6Cu2Se4O6, were reported, which stimulates us to comprehensively summarize these researches. In this short review, we begin with various attempts to realize an n-type BiCuSeO system. Then, we summarize several methods to optimize the thermoelectric performance of Bi2O2Se, including carrier engineering, band engineering, microstructure design, et al. Next, we introduce a new type of layered oxyselenide Bi6Cu2Se4O6, and n-type transport properties can be obtained through halogen doping. At last, we propose some possible research directions for n-type layered oxyselenide thermoelectric materials.

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Section: Various Attempts To Realize N -Type Bicuseomentioning

confidence: 99%

Section: Figurementioning

confidence: 99%

Section: Figurementioning

confidence: 99%

Section: Figurementioning

confidence: 99%

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An Update Review on N-Type Layered Oxyselenide Thermoelectric Materials

2021

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“…[11][12][13][14] The analog BiCuSeO have attracted much attention in thermoelectric eld. [15][16][17][18] Quasitwo-dimensional metallic CuSe-based layered compound Bi 2 YO 4 Cu 2 Se 2 is crystallized with edge-shared CuSe 4 tetrahedron layers with Bi 2 LnO 4 layers alternatively along the c axis. 19 The parent compounds of cuprates and iron-based superconductors are layered transition metal compounds with an AFM ground state.…”

Section: Introductionmentioning

confidence: 99%