The combination of characteristics belonging to bioelectrochemistry and photoelectrochemistry produces a relatively new area that can be called photobioelectrochemistry. The main idea consists of an electrochemical device that can make use of light, microorganisms, biotic materials and/or abiotic materials for multiple applications such as energy generation, hydrogen production, CO<sub>2</sub> reduction into compounds like methane, heavy metals reduction and green material synthesis. Light can be harvested by semiconductors, phototrophic microorganisms and biotic substances. The electrodes of these apparatuses can be made from several combinations of these materials, including metals. As this area of research is recent, there is no classification system to identify different combinations of materials and configurations of these devices. There are almost as many names for photobioelectrochemical systems as there are papers published about them. This unorganized variety makes it difficult for scientists to research an application or material integration to know its state-of-the-art, as well as unexplored configurations of these inventions. Consequently, this makes the direct comparison of investigations an enormous challenge.  This study proposes sets for all the possible permutations of photobioelectrochemical systems, as well as a classification system for them. Additionally, it presents an exhaustive review of investigations regarding combinations of experimental arrangements, as well as their applications to identify areas of opportunity for topics that remain unexplored.

Photobioelectrochemical systems: Blue ocean approach

2019 Fall National Meeting

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