文摘
Two indole-based bianchored metal free organic dyes (D1 and D2) organic dyes were designed and conveniently prepared for dye sensitized solar cells application. Indole moiety was utlised as the electron donor, conjugated system thiophene unit as the π-bridge, rodanine-3-acetic acid and cyanoacrylic acid groups as the electron acceptor. The maximum conversion rate of photovoltaic devices focused on D2, which achieved a conversion of 5.13 % under AM 1.5 illumination.