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  • Title: Photoreduction of catalytic platinum particles using immobilized multilayers of Photosystem I.
    Author: LeBlanc G, Chen G, Jennings GK, Cliffel DE.
    Journal: Langmuir; 2012 May 29; 28(21):7952-6. PubMed ID: 22577992.
    Abstract:
    Using the abundance of available electrons generated by immobilized multilayers of the photoactive protein complex Photosystem I (PSI), we have photoreduced platinum particles that are catalytically active for the H(2)/H(+) redox couple. The resulting platinized PSI films were optimized using electrochemical measurements and then characterized using X-ray photoelectron spectroscopy (XPS), scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDX), and scanning electrochemical microscopy (SECM). These results demonstrate a novel method for generating immobilized platinum catalysts that are readily available on the surface of a photoactive PSI multilayer.
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