Page 1. J. Phys. Chem. 1980, 84, 51-55 51 Photocatalysis through Excitation of Adsorbates. ... A zero shunt ammeter (Nikko Keisoku Model NZ-1) was 0 1980 American Chemical Society Page 2. 52 The Journal of Physical Chemistry, Vol. 84, No. 1, 1980 GX& I I ...