Photocurrent generation by recombinant allophycocyanin trimer multilayer on TiO2 electrode

A recombinant allophycocyanin trimer was successfully immobilized on a mesoporous TiO2 electrode. The formation of the immobilized surface was confirmed by multilayer adsorption of protein complexes. The key biophotovoltaic parameters were obtained, which showed that the recombinant allophycocyanin trimer could be a candidate for photosensitizer materials. The values of short-circuit current, open-circuit voltage, fill factor, and conversion efficiency were up to 0.73 mA/cm2, 0.52 V, 0.69, and 0.26%, respectively.

Graphical abstractThis article shows an enhanced photocurrent production by recombinant allophycocyanin trimers immobilized on a mesoporous TiO2 electrode.Figure optionsDownload full-size imageDownload as PowerPoint slide