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Adsorption of Polycyclic Aromatic Hydrocarbons on Graphene Oxides and Reduced Graphene Oxides

Sun, Yubing, Yang, Shubin, Zhao, Guixia, Wang, Qi, Wang, Xiangke·2013·Chemistry – An Asian Journal

Abstract

Graphene has attracted increasing attention in multidisciplinary studies because of its unique physical and chemical properties. Herein, the adsorption of polycyclic aromatic hydrocarbons (PAHs), such as naphthalene (NAP), anthracene (ANT), and pyrene (PYR), on reduced graphene oxides (rGOs) and graphene oxides (GOs) as a function of pH, humic acid (HA), and temperature were elucidated by means of a batch technique. For comparison, nonpolar and nonporous graphite were also employed in this study. The increasing of pH from 2 to 11 did not influence the adsorption of PAHs on rGOs, whereas the suppressed adsorption of NAP on rGOs was observed both in the presence of HA and under high‐temperature conditions. Adsorption isotherms of PAHs on rGOs were in accordance with the Polanyi–Dubinin–Ashtahhov (PDA) model, providing evidence that pore filling and flat surface adsorption were involved. The saturated adsorbed capacities (in mmol g−1) of rGOs for PAHs calculated from the PDA model significantly decreased in the order of NAP>PYR>ANT, which was comparable to the results of theoretical calculations. The pore‐filling mechanism dominates the adsorption of NAP on rGOs, but the adsorption mechanisms of ANT and PYR on rGOs are flat surface adsorption.

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Metadata

Authors
Sun, Y., Yang, S., Zhao, G., Wang, Q., & Wang, X.
Venue
Chemistry – An Asian Journal
Publisher
Wiley
Published
2013-08-12
Volume
8
Issue
11
Pages
2755-2761
ISSN
  • 1861-471X (ISSN-L)
  • 1861-4728
OpenAlex
W2018917895
Cited by
176
References
1
FWCI
18.63
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Adsorption of Polycyclic Aromatic Hydrocarbons on Graphene Oxides and Reduced Graphene Oxides. https://app.cochat.ai/papers/10.1002/asia.201300496
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Sun, Y., Yang, S., Zhao, G., Wang, Q., & Wang, X. (2013). Adsorption of Polycyclic Aromatic Hydrocarbons on Graphene Oxides and Reduced Graphene Oxides. Chemistry – An Asian Journal. https://doi.org/10.1002/asia.201300496

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