Journal of Materials Chemistry A
DOI: 10.1039/C5TA00397K
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Fig. 7 displays the EIS Nyquist plots of the
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electrode interface. The smaller the semicircle arc is, the
4
5
5
6
6
7
7
8
8
9
9
5
0
5
0
5
0
5
0
5
0
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5
7
1
4
5
6
easier is the charge transfer. As can be seen from Fig. 7, the
composite 6 shows the smallest semicircle in the middleꢀ
frequency region, in comparison to the five other ones,
implying that the lower resistance and the faster interfacial
7
1
1
0
charge transfer.
photocurrent results.
This is consistent with the upper
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Fig. 7 EIS of the composites 4ꢀ6 and P25.
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In summary, a range of photocatalysts 1ꢀ6 were synthesized
successfully and characterized. Through the optimizing of
each component proportion, the best photocatalytic
performance is observed for composite 6 (2.0 wt% C ). And
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also, it exhibits an exceptionally high rate of hydrogen
ꢀ
1
ꢀ1
production at 7.39 mmol*h *g
under visible light
illumination, and shows relatively high reusability. More
importantly, this work not only offers a stable and efficient
nanocomposite photocatalyst but also sheds new inroads for
engineering costꢀeffective nanocomposites, which could open
up new insights to promote the improvement of photocatalytic
conversion efficiency for metal complex.
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Acknowledgements
We are grateful to the National Natural Science Foundation of
China (No. 21371060) and the research fund of the Key
Laboratory of Fuel Cell Technology of Guangdong Province
for financial support.
24 F. Pammer, J. Jäger, B. Rudolf and Y. Sun, Macromolecules, 2014,
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Electronic Supplementary Information (ESI) available: Experimental
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