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1 article(s) from Chan, Donald K L

A visible-light-driven composite photocatalyst of TiO₂ nanotube arrays and graphene quantum dots

Donald K. L. Chan,
Po Ling Cheung and
Jimmy C. Yu

Beilstein J. Nanotechnol. 2014, 5, 689–695, doi:10.3762/bjnano.5.81

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Scheme 1: Reaction scheme for the loading of GQDs onto TNAs via covalent bonding.

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Figure 1: (a) TEM image of GQDs, (b) AFM image of GQDs with corresponding height profile, (c) UV–vis absorpti...

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Figure 2: FESEM images of (a,b) pristine TNAs and (c,d) GQDs/TNAs; TEM images of (e) pristine TNAs and (f) GQ...

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Figure 3: XRD patterns of (a) Ti foil, (b) TNAs and (c) GQDs/TNAs.

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Figure 4: UV–vis absorption spectra of (a) TNAs, (b) amine-functionalized TNAs and (c) GQDs/TNAs.

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Figure 5: Photodegradation of methylene blue for TNAs and GQDs/TNAs under visible light irradiation.

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Figure 6: Photocurrent responses of (a) TNAs and (b) GQDs/TNAs under visible-light irradiation. The potential...

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Published 22 May 2014

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A visible-light-driven composite photocatalyst of TiO2 nanotube arrays and graphene quantum dots

A visible-light-driven composite photocatalyst of TiO₂ nanotube arrays and graphene quantum dots