Journal
RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A
Volume 90, Issue 10, Pages 2069-2075Publisher
MAIK NAUKA/INTERPERIODICA/SPRINGER
DOI: 10.1134/S0036024416100289
Keywords
polyaniline; CuS; absorption; photocatalysis; dyes
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Funding
- Natural Science Foundation of Anhui Province [1308085MB29]
- Natural Science Foundation of China [21301004]
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Novel hierarchical polyaniline-modified CuS ( PANI-CuS) has been synthesized by simple assembling PANI on the surface of flower-like CuS spheres. The PANI modification enhances the adsorption properties of flower-like CuS. The prepared PANI-CuS composites exhibit higher visible-light-driven photocatalytic activities in degradation of rhodamine B ( RhB) than that of neat CuS. The unusual photocatalytic activity could be attributed to the great adsorptivity of dyes, the extended photoresponse range, and the high migration efficiency of photoinduced electrons, which may effectively suppress the charge recombination. This work not only provides a simple strategy for fabricating highly efficient and stable CuS-based composites, but also proves that these unique structures are excellent platforms for significantly improving their visible- light-driven photoactivities, holding great promise for their applications in the field of purifying polluted water resources.
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