Table 1 shows the amount of D908 dyes adsorption and the photovoltaic parameters of DSC devices without coadsorbent (control) and with isopropylmalonic acid (IPMA), n-butylmalonic acid (BMA), n-hexadecylmalonic acid (HDMA), cyclopentylmalonic acid (CPMA), phenylmalonic acid (PMA), and benzylmalonic acid (BZMA).