Burstein-moss effect leads to an unusual suppression of bipolar conduction with shrinking bandgap

The energy sum of bandgap and Fermi level shift (Eg + ΔEshift) is a better indicator than Eg alone for judging the ease of intrinsic excitation and bipolar conduction in thermoelectric materials.

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Details

Published: Jan 01, 2024
Vol/Issue: 12(35)
Pages: 23670-23675
License: View

Authors

C

Chenxi Zhao

Hefei National Research Center for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China

S

Shengtao Cui

National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, Anhui 230029, P. R. China

Y

Yuanlong Li

Hefei National Research Center for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China

Y

Yunbo Wu

National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, Anhui 230029, P. R. China

T

Tongrui Li

National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, Anhui 230029, P. R. China

K

Kai Li

Hefei National Research Center for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China

L

Liang Sun

Hefei National Research Center for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China

Z

Zhe Sun

National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, Anhui 230029, P. R. China

C

Chong Xiao

Hefei National Research Center for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China

Y

Yi Xie

Hefei National Research Center for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China

Funding

Youth Innovation Promotion Association of the Chinese Academy of Sciences Award: Y202092

National Key Research and Development Program of China Award: 2022YFA1203600

China National Funds for Distinguished Young Scientists Award: T2325021

Cite This Article

Chenxi Zhao, Shengtao Cui, Yuanlong Li, et al. (2024). Burstein-moss effect leads to an unusual suppression of bipolar conduction with shrinking bandgap. Journal of Materials Chemistry A, 12(35), 23670-23675. https://doi.org/10.1039/d4ta04110k

Burstein-moss effect leads to an unusual suppression of bipolar conduction with shrinking bandgap

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