An overview of thermoelectric films: Fabrication techniques, classification, and regulation methods
Feng Jing-jing1, Zhu Wei1, †, Deng Yuan1, 2, ‡
       

(color online) Diagram of the structural rearrangement of PEDOT:PSS. The amorphous PEDOT:PSS grains (left) are reformed into crystalline PEDOT:PSS nanofibrils (right) via a charge-separated transition mechanism (middle) via a concentrated H2SO4 treatment.[141]