| http://www.w3.org/ns/prov#value | - FIG. 20 is a graph showing the current/voltage characteristics of a thin film of a random copolymer of PPV and MMP-PPV produced from 90:10 w/w ratio of PPV and MMP-PPV monomer units as converted in vacuo at 220??? C. for 12 hours on a substrate of ITO-coated glass and with calcium as a cathode;
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