DOI: https://doi.org/10.29363/nanoge.liv-act.2022.007
Publication date: 8th September 2022
Photosynthetic microorganisms produce a wide variety of functional micro/nano structures optimized in billions of years of evolution for interaction with sun light. Combining such specialized structures with tailored molecules paves new ways towards design of sustainable materials for optoelectronic and photonic devices [1].
The following examples will be discussed in the lecture.
i) Photoconverters with photosynthetic bacterial enzymes. Chemical modifications are introduced to boost the performance of hybrid constructs vis-à-vis the native proteins [2] and biocompatible interfaces enable to assemble photoenzymes onto electrodes resulting in active materials for optoelectronics [3].
ii) Nanostructures obtained by in vitro and/or in vivo functionalization of ornate biosilica shells of diatoms unicellular algae with functional organic molecules with intriguing photonic properties [4].
iii) Intact photosynthetic bacteria cells used as living materials in photoelectrochemical cells for solar energy conversion [5].
The lecture will discuss the logic behind designing and synthesizing the biohybrid micro/nano assemblies, highlighting the challenges raised by the controlled functionalization and integration in devices. New concepts for photoresponsive materials and devices can be envisaged by combining the biotechnological production and modification of photosynthetic microorganisms with photonic and optoelectronic engineering.
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