Research Fields:

The bottleneck of thermoelectrics is their low efficiency, focusing on the fundamental physics and chemistry of thermoelectrics, the team devotes the efforts on the design and development of high-efficiency thermoelectric materials and devices. Based on our previous knowledge, we will continue our work on the topics including: 1. Advanced synthesis technology; 2. Comprehensive characterization of electrical, thermal, optical, magnetic properties and microstructures; 3. Underlying physics and chemistry of energy materials; 4. Design and development of novel energy materials under the guidance of theory; 5. New semiconductor materials for other applications.
 

Current Courses：

Projects:

1.the National Key Research and Development Program of China (2018YFB0703600)
2.the National Natural Science Foundation of China (Grant Nos. 51772215, 51861145305)
3.Fundamental Research Funds for Science and Technology Innovation Plan of Shanghai (18JC1414600)
 

Publications：

(Full list at: https://publons.com/researcher/2788366/yanzhong-pei)

Selected Corresponding author papers at Tongji Univ.:
32. Y. Xiao, Y. Xuan, P. Nan, H Dong, Z. Chen, Z. Chen, H. Gu,B. Ge, W. Li and Y. Pei*
Cu Interstitials Enabled Carriers and Dislocations for Thermoelectric Enhancements in n-PbTe0.75Se0.25
Chem, 6, DOI: 10.1016/j.chempr.2020.01.002 (2020). IF~18.205
31. X. Shi, C. Sun, X. Zhang, Z. Chen, S. Lin, W. Li and Y. Pei*
Efficient Sc-Dopped Mg3.05-xScxSbBi Thermoelectrics Near Room Temperature
Chem Mater, 31, 8987, (2019). IF~10.159
30. M. Jin, S. Lin*,  W. Li, Z. Chen, R. Li, X. Wang, Y. Chen and Y. Pei*
Fabrication and thermoelectric properties single-crystal argyrodite Ag8SnSe6
Chem Mater.,31, 2603 (2019).  IF~10.159
29. X. Shi, T. Zhao, X. Zhang, C. Sun, Z. Chen,  S. Lin,  W. Li, H. Gu and Y. Pei*
Extraordinary  n-Mg3SbBi Thermoelectrics Enabled by Yttrium Doping
Adv Mater,31,1903387, (2019).  Cover article, IF~25.809
28. X. Shi, C. Sun, Z. Bu, X. Zhang, Y. Wu, S. Lin, W. Li, F. Alireza, J.Anubhav and Y. Pei*
Revelation of Inherently High Mobility Enables Mg3Sb2 as a Sustainable Alternative to n-Bi2Te3 Thermoelectrics
Adv Sci,1802286 , DOI:10.1002/advs.201802286,(2019). IF~15.804
27. Y. Wu, Z. Chen, P. Nan, F. Xiong, S. Lin, X. Zhang, F. Xiong, Y. Chen, L. Chen, B. Ge and Y. Pei*
Lattice Strain Advances Thermoelectrices
Joule, 3, 1276-1288,(2019).  Highlighted by Joule  (新期刊暫無影響因子)
26. J. Li, X. Zhang, X. Wang, Z. Bu, L. Zheng, B. Zhou, F. Xiong, Y. Chen and Y. Pei*
High Performance GeTe Thermoelectrics in both Rhomobohedral and Cubic Phases
J Am Chem Soc, 140, 16190, (2018).  IF~14.695
25. X. Zhang, J. Li, X. Wang, Z. Chen, J. Mao, Y. Chen and Y. Pei*
Vacancy Manipulation for Thermoelectric Enhancements in GeTe Alloys
J Am Chem Soc, 140, 15883, (2018).  Cover article, IF~14.695
24. Z. Chen,  X. Zhang, S. Lin, L. Chen* and Y. Pei*
Rationalizing Phonon Dispersion for Lattice Thermal Conductivity of Solids
National Science Review, 5，888, (2018). (Research Article，趣味閱讀) IF~13.222
23. J. Tang, B. Gao, S. Lin, J. Li, Z. Chen, F. Xiong, W. Li, Y. Chen and Y. Pei*.
Manipulation of Band Structure and Interstitial Defects for Improving Thermoelectric SnTe
Adv Fucnt Mater, 28, 1803586, (2018). IF~15.621
22. J. Tang, B. Gao, S. Lin, X. Wang, X. Zhang, F. Xiong, W. Li, Y. Chen and Y. Pei*.
Manipulation of Solubility and Interstitial Defects for Improving Thermoelectric SnTe Alloys
ACS Energy Letters, 3, 1969, (2018). IF~16.331
21. X. Wang, J. Li, C. Wang, B. Zhou, L. Zheng, B. Gao, Y. Chen and Y. Pei*.
Orbital Alignment for High Performance Thermoelectric YbCd2Sb2 Alloys
Chem Mater, 30, 5339, (2018). IF~10.159
20. J. Li, X. Zhang, Z. Chen, S. Lin, W. Li, J. Shen, IT Witting, A. Faghaninia, Y. Chen, A. Jain, L. Chen, GJ Snyder and Y. Pei*.
Low-symmetry Rhombohedral GeTe thermoelectrics
Joule (Sister journal of Cell), 2, 976, (2018). Highlighted by Science and Chem (新期刊暫無影響因子)
19. M. Jin, Z. Chen, X. Tan*, H. Shao, G. Liu, H. Hu, J. Xu, B. Yu, H. Shen, J.-Y. Xu, H. Jiang, Y. Pei* and J. Jiang*.
Charge Transport in Thermoelectric SnSe Single Crystal
ACS Energy Letters, 3, 689, (2018). IF~16.331
18. W. Li, S. Lin, M. Weiss, Z. Chen, J. Li, Y. Xu, W. G. Zeier and Y. Pei*.
Crystal structure induced ultra-low lattice thermal conductivity in thermoelectric Ag9AlSe6
Adv Energy Mater, 8, 1800030, (2018).  IF~24.884
17. Z. Chen, X. Zhang and Y. Pei*.
Manipulation of phonon transport in thermoelectrics.
Adv Mater, 30, 1705617, (2018). (趣味閱讀) IF~25.809
16. S. Lin, W. Li, S. Li, X. Zhang, Z. Chen, Y. Xu, Y. Chen and Y. Pei*.
High thermoelectric performance of Ag9GaSe6 enabled by low cut-off frequency of acoustic phonons.
Joule (Sister journal of Cell),1, 816, (2017) (新期刊暫無影響因子), Cover article
15. J. Li, Z. Chen, X. Zhang, H. Yu, Z. Wu, H. Xie, Y. Chen, Y. Pei*.
Simultaneous Optimization of Carrier Concentration and Alloy Scattering for Ultrahigh Performance GeTe Thermoelectrics.
Adv Sci, 1700341 (2017)  IF~15.804
14.W. Li, Y. Wu, S. Lin,Z. Chen, J. Li, X. Zhang, L. Zheng, Y. Pei*.
Advances in Environment-Friendly SnTe Thermoelectrics.
ACS Energy Letters, 2, 2349, (2017)  Cover article, IF~16.331
13. X. Zhang, Z. Chen, S. Lin, B. Zhou, B. Gao and Y. Pei*.
Promising Thermoelectric Ag5−δTe3 with Intrinsic Low Lattice Thermal Conductivity.
ACS Energy Letters, 2, 2470, (2017)  IF~16.331
12. L. Zheng, W. Li, S. Lin, J. Li, Z. Chen and Y. Pei*.
Interstitial Defects Improving Thermoelectric SnTe in Addition to Band Convergence.
ACS Energy Letters, 2, 563, (2017)  IF~16.331
11. Z. Chen, Z. Jian, W. Li, Y. Chang, B. Ge, R. Hanus, J. Yang, Y. Chen, M. Huang, G. J. Snyder and Y. Pei*.
Lattice Dislocations Enhancing Thermoelectric PbTe in addition to Band Convergence.
Adv Mater,29,1606768,(2017) IF~25.809
10. W. i, L. Zheng, B. Ge, S. Lin, X. Zhang, Z. Chen, Y. Chang and Y. Pei*.
Promoting SnTe as an eco-friendly solution for p-PbTe thermoelectric.
Adv Mater 29, 1605887 (2017) IF~25.809
9. Z. Chen, B. Ge, W. Li, S. Lin, J. Shen, Y. Chang, R. Hanus, G. J. Snyder* and Y. Pei*.
Vacancy-induced dislocations within grains for high-performance PbSe thermoelectrics
Nat Commun 8, 13828 (2017) IF~11.878
8. J. Li, Z. Chen, X. Zhang, Y. Sun, J. Yang* and Y. Pei*.
Electronic origin of the high thermoelectric performance of GeTe among the p-type group IV monotellurides.
NPG Asia Mater 9, e08 (2017)(Invited paper) IF~“降太多，不好意思往上寫。”
7. J. Li, X. Zhang, S. Lin, Z. Chen and Y. Pei*.
Realizing the high thermoelectric performance of GeTe by Sb-doping and Se-alloying.
Chem Mater,29,605 (2017) IF~10.159
6. S. Lin, W. Li, Z. Chen, J. Shen, B. Ge and Y. Pei*.
Tellurium as a high-performance elemental thermoelectric.
Nat Commun  7, 10287 (2016) IF~11.878
5. W. Li, S. Lin, X. Zhang, Z. Chen, X. Xu and Y. Pei*.
Thermoelectric Properties of Cu2SnSe4with Intrinsic Vacancy
Chem Mater,28, 6227 (2016) IF~10.159
4. W. Li, S. Lin, B. Ge, J. Yang, W. Zhang and Y. Pei*.
Low Sound Velocity Contributing to the High Thermoelectric Performance of Ag8SnSe6.
Adv Sci 3,1600196 (2016)  IF~15.804
3. Y. Pei*, Z. M. Gibbs, A. Gloskovskii, B. Balke, W. G. Zeier and G. J. Snyder*.
Optimum Carrier Concentration in n-type PbTe Thermoelectrics.
Adv Energy Mater 4, 1400486 (2014) IF~24.884
2. Y. Pei*, H. Wang, Z. M. Gibbs, A. D. LaLonde and G. J. Snyder*.
Thermopower Enhancement in Pb1-xMnxTe alloys and its Effect on Thermoelectric Efficiency.
NPG Asia Materials 4, e28, (2012) (Research Summary) IF~
1. Y. Pei*, H. Wang and G. J. Snyder*.
Band Engineering of Thermoelectric Materials.
Adv Mater 64, 6125(2012) (Frontispiece) IF~25.809
 

Selected other 1st /Corresponding author papers:
11. H. Wang, A. D. LaLonde, Y. Pei* and G. J. Snyder*.
The Criteria for Beneficial Disorder in Thermoelectric Solid Solutions.
Adv Funct Mater 23,1586 (2013) (Corresponding author) IF~15.621
10. H. Wang, Y. Pei*, A. D. LaLonde and G. J. Snyder*.
Weak Electron-Phonon Coupling Contributing to High Thermoelectric Performance in n-Type PbSe
PNAS 109, 9705 (2012) (Highlights of the issue) IF~9.504
9. Y. Pei, A. D. LaLonde, H. Wang and G. J. Snyder*.
Low Effective Mass Leading to High Thermoelectric Performance.
Energ Environ Sci 5, 7963 (2012) IF~33.250
8. Y. Pei, N. A. Heinz, A. LaLonde, H. Wang and G. J. Snyder*.
High Thermoelectric Figure of Merit in PbTe Alloys Demonstrated in PbTe–CdTe.
Adv Energy Materials, 2, 670, (2012) IF~24.884
7. Y. Pei, A. LaLonde, N. A. Heinz, X. Y. Shi, S. Iwanaga, H. Wang, L. D. Chen and G. J. Snyder*.
Stabilizing the Optimal Carrier Concentration for High Thermoelectric Efficiency.
Adv Mater 23, 5674, (2011) IF~25.809
6. Y. Pei, J. Lensch-Falk, E. S. Toberer, D. L. Medlin and G. J. Snyder*.
High Thermoelectric Performance in PbTe Due to Large Nanoscale Ag2Te Precipitates and La Doping.
Adv Funct Mater 21, 241 (2011). (Highlighted by: J. M. Crow, ChemistryWorld) IF~15.621
5. Y. Pei, A. F. May and G. J. Snyder*.
Self-tuning the Carrier Concentration of PbTe/Ag2Te Composites with Excess Ag for High Thermoelectric Performance.
Adv Energy Mater 1, 291 (2011) IF~24.884
4. Y. Pei, A. LaLonde, S. Iwanaga and G. J. Snyder*.
High Thermoelectric Figure of Merit in Heavy-hole Dominated PbTe.  
Energ Environ Sci 4, 2085, (2011). (Cover Article and Highlighted by Science) IF~33.250
3. Y. Pei, N. A. Heinz, A. D. LaLonde and G. J. Snyder*.
Combination of large nanostructures and complex band structure for high performance thermoelectric lead telluride.
Energ Environ Sci, 4, 3640, (2011) IF~33.250
2. A. D. LaLonde, Y. Pei# and G. J. Snyder*.
Reevaluation of PbTe1-xIx as high performance n-type thermoelectric material.
Energ Environ Sci 4, 2090, (2011). (Equal contribution) IF~33.250
1. Y. Pei, X. Shi, A. LaLonde, H. Wang, L. Chen and G. J. Snyder*.
Convergence of electronic bands for high performance bulk thermoelectrics.
Nature 473, 66 (2011). (Highlighted by Science and PhysicsWorld) IF~43.070