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用于可见光诱导光催化的高活性农业废弃物提取纤维素负载的CuInS纳米复合材料

Highly Active Agro-Waste-Extracted Cellulose-Supported CuInS Nanocomposite for Visible-Light-Induced Photocatalysis.

作者信息

Tavker Neha, Gaur Umesh Kumar, Sharma Manu

机构信息

School of Nano Sciences, Central University of Gujarat, Sector 30, Gandhinagar 382030, India.

Department of Physics, National Institute of Technology, Jalandhar, Punjab 144011, India.

出版信息

ACS Omega. 2019 Jul 8;4(7):11777-11784. doi: 10.1021/acsomega.9b01054. eCollection 2019 Jul 31.

DOI:10.1021/acsomega.9b01054
PMID:31460285
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC6682033/
Abstract

Agro-waste-extracted cellulose-supported CuInS nanocomposites were hydrothermally synthesized with significant photocatalytic activity under the influence of cellulose as a polymeric natural support that offers delay in electron-hole life. Delayed recombination process of electrons and holes was perceived by parting of cellulose as a barrier or edge during photochemical reaction, which overall enhances the lifetime of photocatalyst. The photodegradation efficiency over five consecutive cycles along with scavenging studies have been examined for RhB dye under visible light. The boosted photodegradation rate was observed at an optimum amount of cellulose (200 mg), which is ∼10 times higher than pristine CuInS.

摘要

以农业废弃物提取的纤维素为载体，水热合成了负载型CuInS纳米复合材料，在纤维素作为聚合物天然载体的影响下，该复合材料具有显著的光催化活性，纤维素可延长电子-空穴寿命。在光化学反应过程中，纤维素作为屏障或边缘起到了分离作用，从而实现了电子和空穴的延迟复合过程，总体上提高了光催化剂的寿命。在可见光下，对RhB染料进行了连续五个循环的光降解效率以及清除研究。在纤维素最佳用量（200 mg）时观察到光降解速率提高，比原始CuInS高约10倍。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a9b1/6682033/a06f4596d184/ao-2019-01054f_0007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a9b1/6682033/7d99b91f14b2/ao-2019-01054f_0001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a9b1/6682033/560cba2ac55d/ao-2019-01054f_0003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a9b1/6682033/9fc24a8cfbc1/ao-2019-01054f_0004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a9b1/6682033/63e63d31e7c7/ao-2019-01054f_0006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a9b1/6682033/a06f4596d184/ao-2019-01054f_0007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a9b1/6682033/7d99b91f14b2/ao-2019-01054f_0001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a9b1/6682033/560cba2ac55d/ao-2019-01054f_0003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a9b1/6682033/9fc24a8cfbc1/ao-2019-01054f_0004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a9b1/6682033/63e63d31e7c7/ao-2019-01054f_0006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a9b1/6682033/a06f4596d184/ao-2019-01054f_0007.jpg

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[1]
Highly Active Agro-Waste-Extracted Cellulose-Supported CuInS Nanocomposite for Visible-Light-Induced Photocatalysis.

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引用本文的文献

[1]
Synthesis of mesoporous SiO-CeO hybrid nanostructures with high catalytic activity for transamidation reaction.

RSC Adv. 2023-4-28

[2]
Agro-waste extracted cellulose supported silver phosphate nanostructures as a green photocatalyst for improved photodegradation of RhB dye and industrial fertilizer effluents.

Nanoscale Adv. 2020-6-17

[3]
Removal of Cadmium and Chromium by Mixture of Silver Nanoparticles and Nano-Fibrillated Cellulose Isolated from Waste Peels of Citrus Sinensis.

Polymers (Basel). 2021-1-12

[4]
Preparation and Photocatalytic Performance of Dumbbell AgCO-ZnO Heterojunctions.

ACS Omega. 2019-12-23

本文引用的文献

[1]
Fabrication of ternary reduced graphene oxide/SnS/ZnFeO composite for high visible-light photocatalytic activity and stability.

J Hazard Mater. 2017-2-1

[2]
Facile synthesis of ZnO/CuInS2 nanorod arrays for photocatalytic pollutants degradation.

J Hazard Mater. 2016-5-30

[3]
MoS2 Nanosheet-Modified CuInS2 Photocatalyst for Visible-Light-Driven Hydrogen Production from Water.

ChemSusChem. 2016-5-10

[4]
Effective photocatalytic efficacy of hydrothermally synthesized silver phosphate decorated titanium dioxide nanocomposite fibers.

J Colloid Interface Sci. 2016-3-1

[5]
Quantum coherence controls the charge separation in a prototypical artificial light-harvesting system.

Nat Commun. 2013

[6]
Facile synthesis of ZnS-CuInS2-alloyed nanocrystals for a color-tunable fluorchrome and photocatalyst.

Inorg Chem. 2011-4-1

[7]
Photocatalytic degradation of dyes over graphene-gold nanocomposites under visible light irradiation.

Chem Commun (Camb). 2010-7-26

[8]
Sunlight highly photoactive Bi2WO6-TiO2 heterostructures for rhodamine B degradation.

Chem Commun (Camb). 2010-6-1

[9]
Nanofiber composites of polyvinyl alcohol and cellulose nanocrystals: manufacture and characterization.

Biomacromolecules. 2010-3-8

[10]
Nearly monodisperse CuInS2 hierarchical microarchitectures for photocatalytic H2 evolution under visible light.

Inorg Chem. 2009-5-4

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