Bio-nanocomposite Photoelectrode Composed of the BacteriaPhotosynthetic Reaction Center Entrapped on a NanocrystallineTiO2 Matrix

doi:10.3390/s5040258

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Sensors 2005, 5(4), 258-265; doi:10.3390/s5040258

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Bio-nanocomposite Photoelectrode Composed of the BacteriaPhotosynthetic Reaction Center Entrapped on a NanocrystallineTiO₂ Matrix

Yidong Lu ¹, Yuan Liu ², Jingjing Xu ¹, Chunhe Xu ², Baohong Liu ¹ and Jilie Kong ¹^,*

¹ Department of Chemistry, Fudan University, Shanghai 200433, P. R. China ² Shanghai Institute of Plant Physiology & Ecology, Shanghai Institute for Biological Sciences, Chinese Academy of Science, Shanghai 200032, P. R. China

* Author to whom correspondence should be addressed.

Received: 28 May 2004 / Accepted: 1 November 2004 / Published: 4 May 2005

(This article belongs to the Special Issue Papers presented at I3S2004, Nanjing)

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Abstract: A new kind of bio-nanocomposite photoelectrode was fabricated through directimmobilization of the bacterial photosynthetic reaction center (RC) proteins on ananocrystalline TiO₂ matrix prepared by anodic electrodeposition. The near-infrared (NIR)-visible absorption and fluorescence emission spectra displayed that structure and activity ofthe RC remained unaltered on the nano-TiO₂ film surface. High efficient light-harvesting ofthe NIR light energy by RC contributed to the distinct enhancement of the photoelectricconversion on such nanoporous matrix, which would provide a new strategy to developversatile biomimic energy convertors or photoelectric sensors.

Keywords: Photosynthetic reaction center; nanocrystalline TiO2; photoelectric; lightharvesting

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MDPI and ACS Style

Lu, Y.; Liu, Y.; Xu, J.; Xu, C.; Liu, B.; Kong, J. Bio-nanocomposite Photoelectrode Composed of the BacteriaPhotosynthetic Reaction Center Entrapped on a NanocrystallineTiO₂ Matrix. Sensors 2005, 5, 258-265.

AMA Style

Lu Y., Liu Y., Xu J., Xu C., Liu B., Kong J. Bio-nanocomposite Photoelectrode Composed of the BacteriaPhotosynthetic Reaction Center Entrapped on a NanocrystallineTiO₂ Matrix. Sensors. 2005; 5(4):258-265.

Chicago/Turabian Style

Lu, Yidong; Liu, Yuan; Xu, Jingjing; Xu, Chunhe; Liu, Baohong; Kong, Jilie. 2005. "Bio-nanocomposite Photoelectrode Composed of the BacteriaPhotosynthetic Reaction Center Entrapped on a NanocrystallineTiO₂ Matrix." Sensors 5, no. 4: 258-265.

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