Letter reSeArCH
Extended Data Fig. 5 | Anion-exchange doping with a series of organic
cations (X+). Absorption spectra are shown following anion-exchange
doping of PBTTT films with four different organic cations (with Y− fixed
as TFSI−).
Letter reSeArCH
Extended Data Fig. 5 | Anion-exchange doping with a series of organic
cations (X+). Absorption spectra are shown following anion-exchange
doping of PBTTT films with four different organic cations (with Y− fixed
as TFSI−).