研究成果:
1. 层状钙钛矿结构氧化物热电材料:研究了晶体结构中钛氧八面体高对称性与高态密度的相关性及其对热电输运性能的影响;探明了纳米钛酸锶界面热阻对晶格热导率的作用。
2. 类金刚石结构硫化物热电材料:研究了Cu-Sn-S基化合物的晶体结构及显微结构演变、磁-电耦合、不同电子结构过渡元素掺杂等与热电传输性质关系,解析了其极低晶格热导率和高热电性能的机理。
3. 层状结构热电材料: 提出层状热电材料“高结晶-高取向-纳米化”的性能优化策略,创新液相剪切方法工艺,为层状材料热电材料及其它功能材料的结构控制和性能优化提供创新性技术和理论支撑。
4. 层状结构润滑材料及保温耐火材料:通过显微结构调节,实现层状结构晶体有序定向排列,获得更高的润滑性能和更低的热传导及更好的耐火性能。
论文著作:
1. Enhanced thermoelectric performance of n-type Bi2Te2.7Se0.3 via a simple liquid-assisted shear exfoliation, J. Mater. Sci. Tech. 117 (2022) 251–258. (1区,通讯作者)
2. High thermoelectric performance of BiCuSeO via minimizing the electronegativity difference in Bi-O layer [J]. Mater. Today Phys. 2022, 24: 100688. (1区,通讯作者)
3. Remarkable thermoelectric property enhancement in Cu2SnS3-CuCo2S4 nanocomposites via 3D modulation doping [J]. J. Mater. Chem. A, 2021, 9(31): 16928-35. (2区,通讯作者)
4. Rational Electronic and Structural Designs Advance BiCuSeO Thermoelectrics. Adv. Func. Mater., 2021, DOI: 10.1002/adfm.202101289.[1区,通讯作者]
5. Synergistic effect approaching record-high figure of merit in the shear exfoliated n-type Bi2O2-2xTe2xSe. Nano Energy 69 (2020) 104394. [1区,通讯作者]
6. Realization of an Ultrahigh Power Factor and Enhanced Thermoelectric Performance in TiS2 via Microstructural Texture Engineering, ACS Appl. Mater. Interfaces. 2020 12 (37), 41687-41695. [2区,通讯作者]
7. Distinct anisotropy and a high power factor in highly textured TiS2 ceramics via mechanical exfoliation. Chem. Commun., 2020,56, 5961-5964. [2区,通讯作者]