Fig. 2: Examples of transparent neurointerface devices grouped by layer structures.

a) PET/PEDOT:PSS/SU-8: ref. 34, b) PET/ITO/SU-8: ref. 25, c) PET/graphene/SU-8: ref. 29, d) PaC/PEDOT:PSS: ref. 31, e) PaHT/ITO ref. 9, f) PaC/ITO ref. 21, g) PaC/graphene ref. 8, h) PaC/graphene ref. 28, i) PaC/Ag NW/IZO ref. 36, j) PaC/Au/PEDOT:PSS/SU-8: ref. 85, k) PDMS/AG NW: ref. 57, l) PDMS/ACSF/PVA: ref. 37, m) PDMS/CNT/SU-8: ref. 30, n) PI/ITO ref. 10, o) Polyimide/graphene/polyimide: ref. 24, p) PI/graphene: ref. 187, q) PI/Au/PEDOT:PSS/SU-8: ref. 51. All figures are reproduced with permission