Surfactant-free scalable synthesis of Bi2Te3 and Bi2Se3 nanoflakes and enhanced thermoelectric properties of Their Nanocomposites

Yuho Min; Jong Wook Roh; Heeseung Yang; Minwoo Park; Sang Il Kim; Sungwoo Hwang; Sang Mock Lee; Kyu Hyoung Lee; Unyong Jeong

doi:10.1002/adma.201203764

Surfactant-free scalable synthesis of Bi₂Te₃ and Bi₂Se₃ nanoflakes and enhanced thermoelectric properties of Their Nanocomposites

Yuho Min
, Jong Wook Roh
, Heeseung Yang
, Minwoo Park
, Sang Il Kim
, Sungwoo Hwang
, Sang Mock Lee
, Kyu Hyoung Lee
, Unyong Jeong

Department of Materials Science and Engineering

Yonsei University
Samsung

Research output: Contribution to journal › Article › peer-review

231 Scopus citations

Abstract

Surfactant-free nanoflakes of n-type Bi₂Te₃ and Bi₂Se₃ are synthesized in high yields. Their suspensions are mixed to create nanocomposites with heterostructured nanograins. A maximum ZT (0.7 at 400 K) is achieved with a broad content of 10-15% Bi ₂Se₃ in the nanocomposites.

Original language	English
Pages (from-to)	1425-1429
Number of pages	5
Journal	Advanced Materials
Volume	25
Issue number	10
DOIs	https://doi.org/10.1002/adma.201203764
State	Published - 13 Mar 2013

Keywords

Bi Te
heterostructures
nanocomposites
nanograins
surfactant-free nanomaterials
thermoelectric materials

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10.1002/adma.201203764

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title = "Surfactant-free scalable synthesis of Bi2Te3 and Bi2Se3 nanoflakes and enhanced thermoelectric properties of Their Nanocomposites",

abstract = "Surfactant-free nanoflakes of n-type Bi2Te3 and Bi2Se3 are synthesized in high yields. Their suspensions are mixed to create nanocomposites with heterostructured nanograins. A maximum ZT (0.7 at 400 K) is achieved with a broad content of 10-15\% Bi 2Se3 in the nanocomposites.",

keywords = "Bi Te, heterostructures, nanocomposites, nanograins, surfactant-free nanomaterials, thermoelectric materials",

author = "Yuho Min and Roh, \{Jong Wook\} and Heeseung Yang and Minwoo Park and Kim, \{Sang Il\} and Sungwoo Hwang and Lee, \{Sang Mock\} and Lee, \{Kyu Hyoung\} and Unyong Jeong",

year = "2013",

month = mar,

day = "13",

doi = "10.1002/adma.201203764",

language = "English",

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T1 - Surfactant-free scalable synthesis of Bi2Te3 and Bi2Se3 nanoflakes and enhanced thermoelectric properties of Their Nanocomposites

AU - Min, Yuho

AU - Roh, Jong Wook

AU - Yang, Heeseung

AU - Park, Minwoo

AU - Kim, Sang Il

AU - Hwang, Sungwoo

AU - Lee, Sang Mock

AU - Lee, Kyu Hyoung

AU - Jeong, Unyong

PY - 2013/3/13

Y1 - 2013/3/13

N2 - Surfactant-free nanoflakes of n-type Bi2Te3 and Bi2Se3 are synthesized in high yields. Their suspensions are mixed to create nanocomposites with heterostructured nanograins. A maximum ZT (0.7 at 400 K) is achieved with a broad content of 10-15% Bi 2Se3 in the nanocomposites.

AB - Surfactant-free nanoflakes of n-type Bi2Te3 and Bi2Se3 are synthesized in high yields. Their suspensions are mixed to create nanocomposites with heterostructured nanograins. A maximum ZT (0.7 at 400 K) is achieved with a broad content of 10-15% Bi 2Se3 in the nanocomposites.

KW - Bi Te

KW - heterostructures

KW - nanocomposites

KW - nanograins

KW - surfactant-free nanomaterials

KW - thermoelectric materials

UR - https://www.scopus.com/pages/publications/84874957462

U2 - 10.1002/adma.201203764

DO - 10.1002/adma.201203764

M3 - Article

AN - SCOPUS:84874957462

SN - 0935-9648

VL - 25

SP - 1425

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JO - Advanced Materials

JF - Advanced Materials

IS - 10

ER -

Surfactant-free scalable synthesis of Bi₂Te₃ and Bi₂Se₃ nanoflakes and enhanced thermoelectric properties of Their Nanocomposites

Abstract

Keywords

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