Photosynthetic reaction center/graphene bio-hybrid for low-power optoelectronics

IF 2.1 4区 生物学 Q2 PLANT SCIENCES Photosynthetica Pub Date : 2023-11-10 DOI:10.32615/ps.2023.041
J. VUJIN, T. SZABÓ, R. PANAJOTOVIC, A.G. VÉGH, L. RINYU, L. NAGY
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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.
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用于低功率光电子学的光合反应中心/石墨烯生物杂化材料
从球形红杆菌2.4.1紫色细菌中纯化的光合反应中心(pRC)沉积在从液相剥离的石墨烯载体上,并在SiO2/Si衬底表面分层,用于光电应用。光诱导的漏源电流与栅极电压的变化被证明。干燥的SiO2/Si上的光合反应中心/石墨烯复合材料表现出光化学/物理活性,这是由于石墨烯载体矩阵中的电流相互作用的结果。电流的变化对光很敏感,这是由于pRC中电荷分离的贡献,以及外加的栅极和漏源电压。
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来源期刊
Photosynthetica
Photosynthetica 生物-植物科学
CiteScore
5.60
自引率
7.40%
发文量
55
审稿时长
3.8 months
期刊介绍: Photosynthetica publishes original scientific papers and brief communications, reviews on specialized topics, book reviews and announcements and reports covering wide range of photosynthesis research or research including photosynthetic parameters of both experimental and theoretical nature and dealing with physiology, biophysics, biochemistry, molecular biology on one side and leaf optics, stress physiology and ecology of photosynthesis on the other side. The language of journal is English (British or American). Papers should not be published or under consideration for publication elsewhere.
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