The present invention relates to a dispersion comprising i) particles A) of polymer comprising repeating units having the general structure -CH2-CHR1-COOR2- wherein R1represent H or an alkyl group, and R2represents an optionally substituted C1-C10-alkyl group, wherein particles A) have a mass average particle diameter (d50) of at least 500 nm； ii) particles B) of a conductive polymer, wherein the particles B) have a mass average particle diameter of less than 150 nm； iii) at least one dispersant； wherein the weight ratio of the polymer in particles A) to the conductive polymer in particles B) is at least 5 : 1. The present invention also relates to a layered body, to a process for the production of such a layered body, to a layered body obtainable by that process and to the use of a layered body for electrophysical measurements.本發明係關於一種分散體，其包含 i) 聚合物粒子A)，該聚合物包含具有以下通式結構之重複單元： -CH2-CHR1-COOR2- 其中 R1表示H或烷基，及 R2表示視情況經取代之C1-C10-烷基， 其中粒子A)具有至少500 nm之質量平均粒徑(d50)； ii) 導電聚合物粒子B)， 其中該等粒子B)具有小於150 nm之質量平均粒徑； iii) 至少一種分散劑； 其中該粒子A)之聚合物與該粒子B)之導電聚合物之重量比為至少5:1。 本發明亦係關於一種層狀體、一種用於產生此層狀體之方法、藉由彼方法可獲得之層狀體及層狀體用於電物理量測之用途。
