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Issue 27, 2017
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Expanding light utilization to the near-infrared region for hybrid bio–photoelectrochemical cells

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Abstract

The insatiable energy demand asks for the maximum conversion of green renewable sources. Herein, we propose the first NIR-assisted glucose/air bio–photoelectrochemical (BPEC) cell comprising a rare earth up-conversion microcrystal (UCMC)-based polyterthiophene (pTTh) cathode. Upon irradiation with a 980 nm laser, UCMCs emit robust luminescence in the visible range, which can efficiently excite pTTh, catalyzing the reduction of oxygen and generating photocurrent. Coupling with a glucose oxidation bioanode, this assembled BPEC cell exhibits a maximal output power density of 40.6 μW cm−2 and an open circuit voltage of 0.53 V. This success is an essential conceptual steppingstone towards the comprehensive utilization of whole sunlight and offers alternative solutions for multiple energy conversions.

Graphical abstract: Expanding light utilization to the near-infrared region for hybrid bio–photoelectrochemical cells

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Publication details

The article was received on 13 Apr 2017, accepted on 06 Jun 2017 and first published on 08 Jun 2017


Article type: Paper
DOI: 10.1039/C7NR02636F
Citation: Nanoscale, 2017,9, 9404-9410
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    Expanding light utilization to the near-infrared region for hybrid bio–photoelectrochemical cells

    L. Zhang, H. Zhang, X. Zhang, Y. Han, H. Zhang, Y. Zhai and S. Dong, Nanoscale, 2017, 9, 9404
    DOI: 10.1039/C7NR02636F

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