Nanocrystalline Structure and Thermoelectric Properties of Electrospun NaCo2O4 Nanofibers

Feiyue Ma,† Yun Ou,‡ Yang Yang,† Yuanming Liu,† Shuhong Xie,†,‡ Jing-Feng Li,§ Guozhong Cao, Roger Proksch,⊥ and Jiangyu Li*,† Department of Mechanical Engineering, UniVersity of Washington, Seattle, Washington 98195-2600, United States, Key Laboratory of Low Dimensional Materials and Application Technology of Ministry of Education, and Faculty of Materials, Optoelectronics and Physics, Xiangtan UniVersity, Hunan, 411105, P. R. China, State Key Laboratory of New Ceramics and Fine Processing, and Department of Materials Science and Engineering, Tsinghua UniVersity, Beijing, 100084, P. R. China, Department of Materials Science and Engineering, UniVersity of Washington, Seattle, Washington 98195-2120, United States, and Asylum Research, 6310 Hollister AVe., Santa Barbara, California 93117, United States