Electronic Supplementary Material

An effective dual-solvent treatment for improving the thermoelectric

property of PEDOT:PSS with white graphene

Xiaodong Wang,1,2 Fanling Meng,1 Haitong Tang,1 Zhongmin Gao,1 Si Li,1 Fengxing Jiang,*,2 and

Jingkun Xu*,2

1 Key Laboratory of Automobile Materials, Ministry of Education, State Key Laboratory of

Inorganic Synthesis and Preparative Chemistry, College of Materials Science and Engineering, Jilin

University, Changchun, 130012, China.

2 Department of Physics, Jiangxi Science and Technology Normal University, Nanchang 330013,

China.

*The corresponding author, email: f.x.jiang@live.cn (F. Jiang); xujingkun@tsinghua.org.cn (J. Xu)

Figure S1 The stability comparison of BNNSs dispersed in different organic solvents

(DMSO, IPA,EG, and DMF) after 24 h.

Figure S2 TEM images of BNNSs for the parallel plane (a) and side plane (b).

Figure S3 UV-Vis-NIR spectra of (a) PEDOT:PSS and PEDOT:PSS-DMF solid thin films;

(b) the mother liquor of the filtration.

Figure S4 Thickness of PEDOT:PSS hybrid thin films with different contents of

BNNSs.