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- Title
Photosynthetic reaction center/graphene bio-hybrid for low-power optoelectronics.
- Authors
VUJIN, J.; SZABÓ, T.; PANAJOTOVIC, R.; VÉGH, A. G.; RINYU, L.; NAGY, L.
- Abstract
Photosynthetic reaction center (pRC) purified from Rhodobacter sphaeroides 2.4.1 purple bacteria was deposited on a graphene carrier exfoliated from the liquid phase and layered on the surface of SiO2/Si substrate for optoelectronic application. Light-induced changes in the drain-source current vs. gate voltage are demonstrated. Dried photosynthetic reaction centers/graphene composite on SiO2/Si shows a photochemical/-physical activity, as a result of interaction with the current flow in the graphene carrier matrix. The current changes are sensitive to light, due to the contribution from the charge separation in the pRC, and to the applied gate and drain-source voltages.
- Subjects
PHOTOSYNTHETIC reaction centers; GRAPHENE; OPTOELECTRONICS; RHODOBACTER sphaeroides; INDIUM gallium zinc oxide; METAL semiconductor field-effect transistors; SUBSTRATES (Materials science)
- Publication
Photosynthetica, 2023, Vol 61, p465
- ISSN
0300-3604
- Publication type
Article
- DOI
10.32615/ps.2023.041