Graphene oxide (GO) with oxygen-containing functional groups views a promising adsorbent to remove cationic pollutants from water. To achieve high removal efficiency of both anionic and cationic pollutants and overcome recycling difficulty of GO, positively charged poly(ethyleneimine) (PEI) was associated with GO to fabricate GO/PEI (GP) 3D aerogels. Surface charges of the constructed GP aerogels were tuned from positive to negative within a wide range via changing solution pH. The constructed GP aerogels were stable in acidic and basic aqueous environments, and even in organic solvents (such as methanol, acetonitrile, methylbenzene, acetone and N, N-dimethyl formamide), which are easily recovered. Anionic methyl orange (MO) and cationic methylene blue (MB) were utilized as model pollutants to investigate the adsorption capability of the GP aerogels. The GP aerogels showed high adsorption capacity for anionic MO (331.0 mg/g) at pH 2.0 while for cationic MB (249.6 mg/g) at pH 10.5. The electrostatic attraction force and p-p interaction dramatically improved the adsorption capacity of the charge-tunable GP aerogels against both anionic and cationic dyes. In addition, the GP aerogels were able to selectively separate anionic and cationic dyes in designed aqueous environments. These aerogels may be used as versatile sorbents for various charged pollutants removal due to tunable surface charges.
机构:
Tsinghua Univ, Dept Chem, Beijing 100084, Peoples R China
China Jiliang Univ, Coll Mat Sci & Engn, Hangzhou 310018, Peoples R ChinaTsinghua Univ, Dept Chem, Beijing 100084, Peoples R China
Chen, Da
Feng, Hongbin
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机构:
Tsinghua Univ, Dept Chem, Beijing 100084, Peoples R ChinaTsinghua Univ, Dept Chem, Beijing 100084, Peoples R China
Feng, Hongbin
Li, Jinghong
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h-index: 0
机构:
Tsinghua Univ, Dept Chem, Beijing 100084, Peoples R ChinaTsinghua Univ, Dept Chem, Beijing 100084, Peoples R China
机构:
Sichuan Univ, Coll Polymer Sci & Engn, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R ChinaSichuan Univ, Coll Polymer Sci & Engn, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R China
Cheng, Chong
Deng, Jie
论文数: 0引用数: 0
h-index: 0
机构:
Sichuan Univ, Coll Polymer Sci & Engn, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R ChinaSichuan Univ, Coll Polymer Sci & Engn, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R China
Deng, Jie
Lei, Bei
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h-index: 0
机构:
Sichuan Univ, Coll Polymer Sci & Engn, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R ChinaSichuan Univ, Coll Polymer Sci & Engn, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R China
Lei, Bei
He, Ai
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h-index: 0
机构:
Sichuan Univ, Coll Polymer Sci & Engn, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R ChinaSichuan Univ, Coll Polymer Sci & Engn, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R China
He, Ai
Zhang, Xiang
论文数: 0引用数: 0
h-index: 0
机构:
Sichuan Univ, Coll Polymer Sci & Engn, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R ChinaSichuan Univ, Coll Polymer Sci & Engn, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R China
Zhang, Xiang
Ma, Lang
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h-index: 0
机构:
Sichuan Univ, Coll Polymer Sci & Engn, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R ChinaSichuan Univ, Coll Polymer Sci & Engn, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R China
Ma, Lang
Li, Shuang
论文数: 0引用数: 0
h-index: 0
机构:
Sichuan Univ, Coll Polymer Sci & Engn, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R ChinaSichuan Univ, Coll Polymer Sci & Engn, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R China
Li, Shuang
Zhao, Changsheng
论文数: 0引用数: 0
h-index: 0
机构:
Sichuan Univ, Coll Polymer Sci & Engn, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R China
Sichuan Univ, Natl Engn Res Ctr Biomat, Chengdu 610064, Peoples R ChinaSichuan Univ, Coll Polymer Sci & Engn, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R China
机构:
Zhejiang Chinese Med Univ, Sch Pharm, Hangzhou 310053, Zhejiang, Peoples R China
Guilin Med Univ, Sch Pharm, Guilin 541004, Peoples R ChinaZhejiang Chinese Med Univ, Sch Pharm, Hangzhou 310053, Zhejiang, Peoples R China
Cheng, Jin-Sheng
Du, Jin
论文数: 0引用数: 0
h-index: 0
机构:
Guilin Med Univ, Sch Pharm, Guilin 541004, Peoples R ChinaZhejiang Chinese Med Univ, Sch Pharm, Hangzhou 310053, Zhejiang, Peoples R China
Du, Jin
Zhu, Wenjuan
论文数: 0引用数: 0
h-index: 0
机构:
Anhui Med Univ, Hefei 230026, Peoples R ChinaZhejiang Chinese Med Univ, Sch Pharm, Hangzhou 310053, Zhejiang, Peoples R China
机构:
Northwestern Univ, Dept Chem, Evanston, IL 60208 USANorthwestern Univ, Dept Chem, Evanston, IL 60208 USA
Compton, Owen C.
An, Zhi
论文数: 0引用数: 0
h-index: 0
机构:
Northwestern Univ, Dept Chem, Evanston, IL 60208 USANorthwestern Univ, Dept Chem, Evanston, IL 60208 USA
An, Zhi
Putz, Karl W.
论文数: 0引用数: 0
h-index: 0
机构:
Northwestern Univ, Dept Mech Engn, Evanston, IL 60208 USANorthwestern Univ, Dept Chem, Evanston, IL 60208 USA
Putz, Karl W.
Hong, Bong Jin
论文数: 0引用数: 0
h-index: 0
机构:
Northwestern Univ, Dept Chem, Evanston, IL 60208 USANorthwestern Univ, Dept Chem, Evanston, IL 60208 USA
Hong, Bong Jin
Hauser, Brad G.
论文数: 0引用数: 0
h-index: 0
机构:
Northwestern Univ, Dept Chem, Evanston, IL 60208 USANorthwestern Univ, Dept Chem, Evanston, IL 60208 USA
Hauser, Brad G.
Brinson, L. Catherine
论文数: 0引用数: 0
h-index: 0
机构:
Northwestern Univ, Dept Mech Engn, Evanston, IL 60208 USA
Northwestern Univ, Dept Mat Sci & Engn, Evanston, IL 60208 USANorthwestern Univ, Dept Chem, Evanston, IL 60208 USA
Brinson, L. Catherine
Nguyen, SonBinh T.
论文数: 0引用数: 0
h-index: 0
机构:
Northwestern Univ, Dept Chem, Evanston, IL 60208 USANorthwestern Univ, Dept Chem, Evanston, IL 60208 USA
机构:
Tsinghua Univ, Dept Chem, Beijing 100084, Peoples R China
China Jiliang Univ, Coll Mat Sci & Engn, Hangzhou 310018, Peoples R ChinaTsinghua Univ, Dept Chem, Beijing 100084, Peoples R China
Chen, Da
Feng, Hongbin
论文数: 0引用数: 0
h-index: 0
机构:
Tsinghua Univ, Dept Chem, Beijing 100084, Peoples R ChinaTsinghua Univ, Dept Chem, Beijing 100084, Peoples R China
Feng, Hongbin
Li, Jinghong
论文数: 0引用数: 0
h-index: 0
机构:
Tsinghua Univ, Dept Chem, Beijing 100084, Peoples R ChinaTsinghua Univ, Dept Chem, Beijing 100084, Peoples R China
机构:
Sichuan Univ, Coll Polymer Sci & Engn, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R ChinaSichuan Univ, Coll Polymer Sci & Engn, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R China
Cheng, Chong
Deng, Jie
论文数: 0引用数: 0
h-index: 0
机构:
Sichuan Univ, Coll Polymer Sci & Engn, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R ChinaSichuan Univ, Coll Polymer Sci & Engn, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R China
Deng, Jie
Lei, Bei
论文数: 0引用数: 0
h-index: 0
机构:
Sichuan Univ, Coll Polymer Sci & Engn, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R ChinaSichuan Univ, Coll Polymer Sci & Engn, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R China
Lei, Bei
He, Ai
论文数: 0引用数: 0
h-index: 0
机构:
Sichuan Univ, Coll Polymer Sci & Engn, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R ChinaSichuan Univ, Coll Polymer Sci & Engn, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R China
He, Ai
Zhang, Xiang
论文数: 0引用数: 0
h-index: 0
机构:
Sichuan Univ, Coll Polymer Sci & Engn, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R ChinaSichuan Univ, Coll Polymer Sci & Engn, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R China
Zhang, Xiang
Ma, Lang
论文数: 0引用数: 0
h-index: 0
机构:
Sichuan Univ, Coll Polymer Sci & Engn, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R ChinaSichuan Univ, Coll Polymer Sci & Engn, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R China
Ma, Lang
Li, Shuang
论文数: 0引用数: 0
h-index: 0
机构:
Sichuan Univ, Coll Polymer Sci & Engn, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R ChinaSichuan Univ, Coll Polymer Sci & Engn, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R China
Li, Shuang
Zhao, Changsheng
论文数: 0引用数: 0
h-index: 0
机构:
Sichuan Univ, Coll Polymer Sci & Engn, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R China
Sichuan Univ, Natl Engn Res Ctr Biomat, Chengdu 610064, Peoples R ChinaSichuan Univ, Coll Polymer Sci & Engn, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R China
机构:
Zhejiang Chinese Med Univ, Sch Pharm, Hangzhou 310053, Zhejiang, Peoples R China
Guilin Med Univ, Sch Pharm, Guilin 541004, Peoples R ChinaZhejiang Chinese Med Univ, Sch Pharm, Hangzhou 310053, Zhejiang, Peoples R China
Cheng, Jin-Sheng
Du, Jin
论文数: 0引用数: 0
h-index: 0
机构:
Guilin Med Univ, Sch Pharm, Guilin 541004, Peoples R ChinaZhejiang Chinese Med Univ, Sch Pharm, Hangzhou 310053, Zhejiang, Peoples R China
Du, Jin
Zhu, Wenjuan
论文数: 0引用数: 0
h-index: 0
机构:
Anhui Med Univ, Hefei 230026, Peoples R ChinaZhejiang Chinese Med Univ, Sch Pharm, Hangzhou 310053, Zhejiang, Peoples R China
机构:
Northwestern Univ, Dept Chem, Evanston, IL 60208 USANorthwestern Univ, Dept Chem, Evanston, IL 60208 USA
Compton, Owen C.
An, Zhi
论文数: 0引用数: 0
h-index: 0
机构:
Northwestern Univ, Dept Chem, Evanston, IL 60208 USANorthwestern Univ, Dept Chem, Evanston, IL 60208 USA
An, Zhi
Putz, Karl W.
论文数: 0引用数: 0
h-index: 0
机构:
Northwestern Univ, Dept Mech Engn, Evanston, IL 60208 USANorthwestern Univ, Dept Chem, Evanston, IL 60208 USA
Putz, Karl W.
Hong, Bong Jin
论文数: 0引用数: 0
h-index: 0
机构:
Northwestern Univ, Dept Chem, Evanston, IL 60208 USANorthwestern Univ, Dept Chem, Evanston, IL 60208 USA
Hong, Bong Jin
Hauser, Brad G.
论文数: 0引用数: 0
h-index: 0
机构:
Northwestern Univ, Dept Chem, Evanston, IL 60208 USANorthwestern Univ, Dept Chem, Evanston, IL 60208 USA
Hauser, Brad G.
Brinson, L. Catherine
论文数: 0引用数: 0
h-index: 0
机构:
Northwestern Univ, Dept Mech Engn, Evanston, IL 60208 USA
Northwestern Univ, Dept Mat Sci & Engn, Evanston, IL 60208 USANorthwestern Univ, Dept Chem, Evanston, IL 60208 USA
Brinson, L. Catherine
Nguyen, SonBinh T.
论文数: 0引用数: 0
h-index: 0
机构:
Northwestern Univ, Dept Chem, Evanston, IL 60208 USANorthwestern Univ, Dept Chem, Evanston, IL 60208 USA