High flux photocatalytic self-cleaning nanosheet C3N4 membrane supported by cellulose nanofibers for dye wastewater purification

Zhang, Lilong; Meng, Guangyao; Fan, Guifang; Wu, Yulong; Liu, Jian

doi:10.1007/s12274-020-3256-0

Cited by 35 publications

(14 citation statements)

References 35 publications

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“…The stretching vibration of C–N heterocycles leads to the production of characteristic peaks at 1243, 1326, 1405, 1464, 1565 and 1638 cm −1 . 38–40 The structure of 3DA-CN was clearly detected in the FT-IR spectra of ZIS-S/CN and Sv-ZIS/CN. To intuitively observe the functional groups of the as-prepared samples, the FT-IR spectra at 1500–500 cm −1 are enlarged in Fig.…”

Section: Resultsmentioning

confidence: 97%

An internal electric field and interfacial S–C bonds jointly accelerate S-scheme charge transfer achieving efficient sunlight-driven photocatalysis

et al. 2022

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Section: Resultsmentioning

confidence: 97%

An internal electric field and interfacial S–C bonds jointly accelerate S-scheme charge transfer achieving efficient sunlight-driven photocatalysis

et al. 2022

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“…Both intensity and stability of photocurrent were improved after introducing BP to BP/Au/CN ternary heterojunction, which was ascribed to the broad sunlight absorption region and efficient charge separation at the interfaces. The photocurrent of BP/Au/CN showed an increasing trend with time, which was attributed to the faster charge generation rate than the recombination rate [41][42][43][44][45].…”

Section: Articlesmentioning

confidence: 95%

Au/g-C3N4 heterostructure sensitized by black phosphorus for full solar spectrum waste-to-hydrogen conversion

Wang

et al. 2021

Sci. China Mater.

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Photocatalytic water splitting with simultaneous degradation of organic pollutants is an effective strategy to alleviate the increasingly serious energy and environmental crisis. However, the photocatalytic activity is restricted by the high charge recombination rate and limited sunlight utilization. Herein, black phosphorus (BP) with a broad sunlight response range was utilized as a photosensitizer to enhance the photocatalytic performance of the Au/carbon nitride (CN) heterostructure. The as-prepared BP/Au/CN exhibited a significantly enhanced H 2 generation rate of 1400.8 µmol h −1 g −1 under UV-vis light irradiation, which is almost 70 times higher than that of bare CN and BP/CN and 2 folds higher than that of the Au/CN heterojunction. Specifically, the optimal BP/Au/CN sample presented a waste-to-hydrogen production rate of 195.8 µmol h −1 g −1 with the degradation of bisphenol A, verifying the synergistic effect of the ternary heterojunction. The photocatalytic mechanism was systematically studied by the combination of experiments and theoretical calculations. The improved photocatalytic performance was derived from the overall sunlight absorption ability of BP, effective electron transfer media and plasmonic character of Au nanoparticles, as well as the matched work function and strong interaction of the three components. A unidirectional electron transfer from BP to Au and then to CN was established, which effectively improved the charge transfer capability, resulting from the appropriate Ohmic contact of Au and BP and the Schottky barrier constructed in Au/CN hybrid.

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“…110 However, within the scope of this review, some material engineering with great application potential can be highlighted. 111,112 Vilela et al, on repeated occasions, reported the synthesis of POP photocatalysts as highly porous self-standing low-density monoliths following the HIPE technique. 12,13,79 This approach has been gradually extended from traditional metal-catalysed reactions to metalfree radical cross-polymerization.…”

Section: Pops For Photocatalytic Wastewater Treatment: Perks and Challengesmentioning

confidence: 99%

A physicochemical introspection of porous organic polymer photocatalysts for wastewater treatment

2022

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High flux photocatalytic self-cleaning nanosheet C3N4 membrane supported by cellulose nanofibers for dye wastewater purification

Cited by 35 publications

References 35 publications

An internal electric field and interfacial S–C bonds jointly accelerate S-scheme charge transfer achieving efficient sunlight-driven photocatalysis

An internal electric field and interfacial S–C bonds jointly accelerate S-scheme charge transfer achieving efficient sunlight-driven photocatalysis

Au/g-C3N4 heterostructure sensitized by black phosphorus for full solar spectrum waste-to-hydrogen conversion

A physicochemical introspection of porous organic polymer photocatalysts for wastewater treatment

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