Polyaniline as interface layers promoting the in-situ growth of zeolite imidazole skeleton on regenerated cellulose aerogel for efficient removal of tetracycline

Li, Qun; Yu, Haihuan; Zeng, Fanming; Li, Xiao; Sun, Jing; Hu, Xiaoli; Pan, Qing-Qing; Li, Chun; Lin, Hai; Su, Zhong

doi:10.1016/j.jcis.2020.06.056

Cited by 84 publications

(21 citation statements)

References 48 publications

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“…23 The detailed Co 2p region further verifies the intimate interaction between the metal sites of ZIF-67 and amine groups of PANI. For both of NW−ZIF and NW−ZIF−PANI in Figure 1h, it displays the coexistence of Co 2+ /Co 3+ in two main spin−orbit lines with a weak satellite signal and a decreased content of 2p 3/2 (BE = 780.4 eV) after polymerization-implied nitrogen incorporation induced partial electron transfer from Co to N. 24 Moreover, in the O 1s spectrum, the typical content of carboxylic groups (O−CO) in NW−ZIF−PANI is significantly lower than that of NW−ZIF, which indicates the oxidative polymerization of aniline monomers (Figure S2a). 25 The N 1s spectrum in Figure S2b reveals that the cationic nitrogen atoms exhibit positive charged nitrogen atoms with protonated quinonoid imine (NH + ), cationic nitrogen atoms (N−), and benzenoid amine (−NH−), and the high N + /N ratio (>0.1) demonstrates a good protonation level of PANI, which implies good electrical conduction property of PANI.…”

Section: ■ Results and Discussionmentioning

confidence: 95%

Bioinspired Neuron-like Adsorptive Networks for Heavy Metal Capture and Tunable Electrochemically Mediated Recovery

Wang

Xia

Huang

et al. 2021

ACS Appl. Mater. Interfaces

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Electrochemical techniques have garnered increasing attention as a heavy metal remediation platform for pollutant mitigation and sustainable recycling. Inspired by the biological signal-transfer mode, biomimic neuron-like hierarchical adsorptive networks were constructed by interweaving one-dimensional manganese oxide nanowires into polyaniline-decorated hollow structural metal−organic frameworks (MOFs). The prepared biomimic neuron adsorbent exhibits good adsorption capacity toward cations (Pb 2+ ) and oxyanions (Cr 2 O 7 2− ) at the neutral state; tunable cation/oxyanion desorption can be electrochemically switched at the oxidized and reduced states, respectively, where the biomimic neuron-like hierarchical adsorptive networks facilitated electron transfer and benefited substantial redox reactions. The combination of simulations and calculations demonstrates that the curvatureinduced polarization in a hollow MOF structure enhances the desorption efficiencies by improving the redox processes at the electrode−electrolyte interface, which facilitate the promising implementation in terms of water economy and downstream waste sustainability.

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Section: ■ Results and Discussionmentioning

confidence: 95%

Bioinspired Neuron-like Adsorptive Networks for Heavy Metal Capture and Tunable Electrochemically Mediated Recovery

Wang

Xia

Huang

et al. 2021

ACS Appl. Mater. Interfaces

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“…XPS was used to investigate the elemental composition, surface examination, and oxidation states of ZnO@N‐doped C. The complete survey spectrum of ZnO@N‐doped C is shown in Figure 4, showing the purity of the ZnO@N‐doped C. XPS spectrum of O1s shows peaks at a binding energy of 284.9, 286.6, and 288.5 eV corresponding to CC, CO, and C═O, respectively (Figure 4a). [ 37 ] The analysis of O 1s shows bands at 530.3, 531.6, and 532.4 eV corresponding to O 2− of ZnO bonds, CO, and C═O, respectively (Figure 4b). XPS spectrum for N 1s contains three characteristic peaks at 399.1 eV representing pyridinic‐N, pyrrolic‐N, and graphitic‐N (Figure 4c ) .…”

Section: Resultsmentioning

confidence: 99%

A high‐performance hybrid supercapacitor electrode based on ZnO/nitrogen‐doped carbon nanohybrid

Abdelhamid

Kiey

Sharmoukh

2021

Applied Organom Chemis

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Hybrid nanomaterials offer promising properties to serve as an electrode for hybrid supercapacitors. Herein, dye (rhodamine B, RhB) encapsulated zeolitic imidazolate frameworks (RhB@ZIF-8) was synthesized at room temperature via triethylamine (TEA)-assisted method. The material was used as a precursor for synthesizing zinc oxide embedded nitrogen-doped carbon (ZnO@N-doped C) via the carbonization at different temperatures (400 C, 600 C, and 800 C). The materials were characterized using X-ray diffraction (XRD), thermogravimetric analysis (TGA), differential thermal analysis (DTA), highresolution transmission electron microscope (HR-TEM), energy-dispersive X-ray mapping (EDX), nitrogen adsorption-desorption isotherm, and X-ray photoelectron microscope (XPS).

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“…For CelF, the vibrational absorption peak of β-glycosidic bond appeared at 895 cm −1 , the peaks at 1440 cm −1 and 2900 cm −1 corresponded to the stretching vibrations of H−C−H and C−H, and the absorption peak at 3340 cm −1 was caused by the −OH vibration (Spectrum A). For DPANI@CelF, the peaks at 1500 cm −1 and 1590 cm −1 correspond to the stretching vibration of benzoquinone structure in PANI [ 28 ], and these appeared in addition to the characteristic peaks of CelF, which also indicate the successful assembly of the PANI coating on CelF (Spectrum B). Spectrum D shows the characteristic peaks of MIL-100(Fe).…”

Section: Resultsmentioning

confidence: 99%

“…As a common conductive polymer, polyaniline (PANI) has excellent chemical and thermal stability, and it shows strong adsorption on metal ions [ 28 ]. Meanwhile, its photocatalytic efficacy is also phenomenal [ 29 ].…”

Section: Introductionmentioning

confidence: 99%

De-Doped Polyaniline as a Mediating Layer Promoting In-Situ Growth of Metal–Organic Frameworks on Cellulose Fiber and Enhancing Adsorptive-Photocatalytic Removal of Ciprofloxacin

Hou

Sun

et al. 2021

Polymers

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New kinds of inorganic–organic hybrid porous materials, metal–organic frameworks (MOFs), have shown great application potential in various fields, but their powdery nature limits their application to a certain extent. As a green and renewable biomass material in nature, cellulose fiber (CelF) has the advantages of biodegradability, recyclability and easy processing, and can be used as an excellent flexible substrate for MOFs. However, the efficient deposition of MOFs on CelF is still a great challenge for the development of this new material. Herein, polyaniline (PANI) and de-doped PANI (DPANI) with rich functional groups as a mediating layer was proposed to promote the in-situ growth and immobilization of some MOFs on CelF. The PANI (especially DPANI) layer greatly promoted the deposition of the four MOFs, and more encouragingly, significantly promoted the in-situ growth and nanocrystallization of MIL-100(Fe). MIL-100(Fe)@DPANI@CelF was selected as an adsorbent-photocatalyst to be used for the adsorptive-photocatalytic removal of ciprofloxacin (CIP) in water. The removal efficiency of CIP by MIL-100(Fe)@DPANI@CelF reached 82.78%, and the removal capacity of CIP was as high as 105.96 mg g−1. The study found that DPANI had a synergistic effect on both the in-situ growth of MIL-100(Fe) on CelF and the adsorption-photocatalysis of CIP in water. The universal platform of PANI-mediated in-situ growth and immobilization of MOFs on CelF constructed in this study widens the road for the development of MOF@CelF composites.

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Polyaniline as interface layers promoting the in-situ growth of zeolite imidazole skeleton on regenerated cellulose aerogel for efficient removal of tetracycline

Cited by 84 publications

References 48 publications

Bioinspired Neuron-like Adsorptive Networks for Heavy Metal Capture and Tunable Electrochemically Mediated Recovery

Bioinspired Neuron-like Adsorptive Networks for Heavy Metal Capture and Tunable Electrochemically Mediated Recovery

A high‐performance hybrid supercapacitor electrode based on ZnO/nitrogen‐doped carbon nanohybrid

De-Doped Polyaniline as a Mediating Layer Promoting In-Situ Growth of Metal–Organic Frameworks on Cellulose Fiber and Enhancing Adsorptive-Photocatalytic Removal of Ciprofloxacin

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