Self-assembled macro porous ZnS-graphene aerogels for photocatalytic degradation of contaminants in water

D. Amaranatha Reddy, Jiha Choi, Seunghee Lee, Rory Ma, Tae Kyu Kim

Research output: Contribution to journalArticle

72 Citations (Scopus)

Abstract

A facile, green protocol for the synthesis of self-assembled 3D porous ZnS-graphene aerogels (ZnS-GAs) using vitamin-C to obtain a 3D network of supramolecular hybrid nanostructured materials was developed. Structural, morphological, and optical measurements demonstrate that the ZnS-GAs nanostructures have good crystallinity, and the graphene nanosheets are densely decorated by ZnS nanostructures. The photocatalytic properties of ZnS-GAs were assessed based on photocatalytic degradation of methylene blue (MB) and Cr(vi) under simulated sunlight irradiation. Superior photocatalytic performance was achieved with the ZnS-GAs compared to bare ZnS. This enhancement is ascribed to efficient charge transfer from ZnS to the graphene sheets. Overall, the present work provides new insight into the green synthesis of 3D ZnS-GAs, and the developed composites are highly active photocatalysts with stable cycling that can be exploited in environmentally friendly applications.

Original languageEnglish
Pages (from-to)18342-18351
Number of pages10
JournalRSC Advances
Volume5
Issue number24
DOIs
Publication statusPublished - 2015

Fingerprint

Aerogels
Graphite
Graphene
Macros
Impurities
Degradation
Water
Nanostructures
Nanosheets
Methylene Blue
Vitamins
Hybrid materials
Photocatalysts
Nanostructured materials
Ascorbic Acid
Charge transfer
Irradiation
Network protocols
Composite materials

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Chemical Engineering(all)

Cite this

Reddy, D. Amaranatha ; Choi, Jiha ; Lee, Seunghee ; Ma, Rory ; Kim, Tae Kyu. / Self-assembled macro porous ZnS-graphene aerogels for photocatalytic degradation of contaminants in water. In: RSC Advances. 2015 ; Vol. 5, No. 24. pp. 18342-18351.
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Self-assembled macro porous ZnS-graphene aerogels for photocatalytic degradation of contaminants in water. / Reddy, D. Amaranatha; Choi, Jiha; Lee, Seunghee; Ma, Rory; Kim, Tae Kyu.

In: RSC Advances, Vol. 5, No. 24, 2015, p. 18342-18351.

Research output: Contribution to journalArticle

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AU - Kim, Tae Kyu

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