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Synthesis of carbon nanospheres using fallen willow leaves and adsorption of Rhodamine B and heavy metals by them.

Identifieur interne : 001052 ( Main/Corpus ); précédent : 001051; suivant : 001053

Synthesis of carbon nanospheres using fallen willow leaves and adsorption of Rhodamine B and heavy metals by them.

Auteurs : Jiao Qu ; Qian Zhang ; Yunsheng Xia ; Qiao Cong ; Chunqiu Luo

Source :

RBID : pubmed:25146117

English descriptors

Abstract

This paper focuses on the synthesis of carbon nanospheres (CNSs) using fallen willow leaves as a low-cost precursor. The scanning electron microscopy (SEM) image and transmission electron microscopy (TEM) image demonstrated that the structure of synthesized CNSs was spherical, with a diameter of 100 nm. The crystal structure and chemical information were characterized by Raman spectrum and energy-dispersive spectrum (EDS), respectively. BET results showed that the CNSs had a larger specific surface area of 294.32 m(2) g(-1), which makes it a potentially superior adsorbent. Rh-B and heavy metal ions such as Cu(2+), Zn(2+), and Cr(6+) were used as targets to investigate the adsorption capacity of the CNSs. The effects of adsorption parameters such as adsorption equilibrium time, dose of CNSs, adsorption kinetics, and effect factors were also studied. These findings not only established a cost-effective method of synthesizing CNSs using fallen willow leaves but also broadened the potential application range of these CNSs.

DOI: 10.1007/s11356-014-3447-x
PubMed: 25146117

Links to Exploration step

pubmed:25146117

Le document en format XML

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<name sortKey="Zhang, Qian" sort="Zhang, Qian" uniqKey="Zhang Q" first="Qian" last="Zhang">Qian Zhang</name>
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<name sortKey="Xia, Yunsheng" sort="Xia, Yunsheng" uniqKey="Xia Y" first="Yunsheng" last="Xia">Yunsheng Xia</name>
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<name sortKey="Cong, Qiao" sort="Cong, Qiao" uniqKey="Cong Q" first="Qiao" last="Cong">Qiao Cong</name>
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<div type="abstract" xml:lang="en">This paper focuses on the synthesis of carbon nanospheres (CNSs) using fallen willow leaves as a low-cost precursor. The scanning electron microscopy (SEM) image and transmission electron microscopy (TEM) image demonstrated that the structure of synthesized CNSs was spherical, with a diameter of 100 nm. The crystal structure and chemical information were characterized by Raman spectrum and energy-dispersive spectrum (EDS), respectively. BET results showed that the CNSs had a larger specific surface area of 294.32 m(2) g(-1), which makes it a potentially superior adsorbent. Rh-B and heavy metal ions such as Cu(2+), Zn(2+), and Cr(6+) were used as targets to investigate the adsorption capacity of the CNSs. The effects of adsorption parameters such as adsorption equilibrium time, dose of CNSs, adsorption kinetics, and effect factors were also studied. These findings not only established a cost-effective method of synthesizing CNSs using fallen willow leaves but also broadened the potential application range of these CNSs.</div>
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