Hollow Carbon Spheres with Abundant Micropores for Enhanced CO2 Adsorption

The interest in the design and controllable fabrication of hollow carbon spheres (HCSs) emanates from their tremendous potential applications in adsorption, energy conversion and storage, and catalysis. However, the effective synthesis of uniform HCSs with high surface area and abundant micropores r...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 33(2017), 5 vom: 07. Feb., Seite 1248-1255
1. Verfasser: Li, Xuena (VerfasserIn)
Weitere Verfasser: Bai, Shiyang, Zhu, Zhengjian, Sun, Jihong, Jin, Xiaoqi, Wu, Xia, Liu, Jian
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2017
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article Research Support, Non-U.S. Gov't
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520 |a The interest in the design and controllable fabrication of hollow carbon spheres (HCSs) emanates from their tremendous potential applications in adsorption, energy conversion and storage, and catalysis. However, the effective synthesis of uniform HCSs with high surface area and abundant micropores remains a challenge. In this work, HCSs with tunable microporous shells were rationally synthesized via the hard-template method using resorcinol (R) and formaldehyde (F) as a carbon precursor. HCSs with a very high surface area (1369 m2/g) and abundant micropores (0.53 cm3/g) can be obtained with the assistance of additional inorganic silanes (TEOS) simultaneously with the carbon source (RF). Interestingly, the extra-abundant micropores showed favorable adsorption for CO2, resulting in a 1.5 times increase in the CO2 adsorption capacity compared to that of normal HCSs under the same conditions. Meanwhile, these HCSs hold potential for use in the separation of gases such as CO2 and N2 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
700 1 |a Bai, Shiyang  |e verfasserin  |4 aut 
700 1 |a Zhu, Zhengjian  |e verfasserin  |4 aut 
700 1 |a Sun, Jihong  |e verfasserin  |4 aut 
700 1 |a Jin, Xiaoqi  |e verfasserin  |4 aut 
700 1 |a Wu, Xia  |e verfasserin  |4 aut 
700 1 |a Liu, Jian  |e verfasserin  |4 aut 
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