1
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Li H, Tong H, Zhang J, Gao H, Wang Y, Wang X, Chai Z. Oxygen Vacancy Induced Atom-Level Interface in Z-Scheme SnO 2/SnNb 2O 6 Heterojunctions for Robust Solar-Driven CO 2 Conversion. ACS APPLIED MATERIALS & INTERFACES 2023. [PMID: 37467387 DOI: 10.1021/acsami.3c05501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/21/2023]
Abstract
The modulation of Z-scheme charge transfer is essential for efficient heterostructure toward photocatalytic CO2 reduction. However, constructing a compact hetero-interface favoring the Z-scheme charge transfer remains a great challenge. In this work, an interfacial Nb-O-Sn bond and built-in electric field-modulated Z-scheme Ov-SnO2/SnNb2O6 heterojunction was prepared for efficient photocatalytic CO2 conversion. Systematic investigations reveal that an atomic-level interface is constructed in the Ov-SnO2/SnNb2O6 heterojunction. Under simulated sunlight irradiation, the obtained Ov-SnO2/SnNb2O6 photocatalyst exhibits a high CO evolution rate of 147.4 μmol h-1 g-1 from CO2 reduction, which is around 3-fold and 3.3-fold of SnO2/SnNb2O6 composite and pristine SnNb2O6, respectively, and favorable cyclability by retaining 95.8% rate retention after five consecutive tests. As determined by electron paramagnetic resonance spectra, in situ Fourier transform infrared spectra, and density functional theory calculations, Nb-O-Sn bonds and built-in electric field induced by the addition of oxygen vacancies jointly accelerate the Z-scheme charge transfer for enhanced photocatalytic performance. This work provides a promising route for consciously modulating Z-scheme charge transfer by atomic-level interface engineering to boost photocatalytic performance.
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Affiliation(s)
- Hui Li
- ─Inner Mongolia Key Laboratory of Chemistry and Physics of Rare Earth Materials, School of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010021, China
- Shandong Electric Power Engineering Consulting Institute Co., Ltd., Jinan 250000, China
| | - Haojie Tong
- ─Inner Mongolia Key Laboratory of Chemistry and Physics of Rare Earth Materials, School of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010021, China
| | - Jingyu Zhang
- ─Inner Mongolia Key Laboratory of Chemistry and Physics of Rare Earth Materials, School of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010021, China
| | - Hongyu Gao
- ─Inner Mongolia Key Laboratory of Chemistry and Physics of Rare Earth Materials, School of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010021, China
| | - Yinshu Wang
- ─Inner Mongolia Key Laboratory of Chemistry and Physics of Rare Earth Materials, School of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010021, China
| | - Xiaojing Wang
- ─Inner Mongolia Key Laboratory of Chemistry and Physics of Rare Earth Materials, School of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010021, China
| | - Zhanli Chai
- ─Inner Mongolia Key Laboratory of Chemistry and Physics of Rare Earth Materials, School of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010021, China
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2
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Zhang Y, Zhang W, Zhang H, He D. Nano-Zero-Valent Zinc-Modified Municipal Sludge Biochar for Phosphorus Removal. Molecules 2023; 28:molecules28073231. [PMID: 37049993 PMCID: PMC10096133 DOI: 10.3390/molecules28073231] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Revised: 03/18/2023] [Accepted: 03/29/2023] [Indexed: 04/09/2023] Open
Abstract
Municipal sludge biochar (MSBC) can be used to absorb phosphorus in water for waste treatment. Nano-zero-valent zinc (nZVZ) was uniformly attached to MSBC to obtain a highly efficient phosphorus-absorbing composite material, nZVZ–MSBC. Characterization by FTIR, XPS, XRD, and BET showed that nZVZ was uniformly dispersed on the surface of the MSBC. Zinc loading was able to greatly improve the adsorption performance of MSBC for phosphorus. Adsorption experiments illustrated that the adsorption process conformed to the Langmuir model, and the maximum adsorption amount was 186.5 mg/g, which is much higher than that for other municipal sludge biochars. The adsorption process reached 80% of the maximum adsorption capacity at 90 min, and this gradually stabilized after 240 min; adsorption equilibrium was reached within 24 h. The optimum pH for adsorption was 5. The main adsorption mechanism was chemical adsorption, but physical adsorption, external diffusion, internal diffusion, and surface adsorption also played roles. The potential for application as an efficient adsorbent of phosphorus from water was confirmed. In addition, a novel strategy for municipal sludge disposal and resource utilization is provided.
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Affiliation(s)
- Yupeng Zhang
- Key Laboratory of Environment-Friendly Composite Materials of the State Ethnic Affairs Commission, Key Laboratory for Utility of Environment-Friendly Composite Materials and Biomass, School of Chemical Engineering, Gansu Provincial Biomass Function Composites Engineering Research Center, University of Gansu Province, Northwest Minzu University, Lanzhou 730030, China
| | - Wenbo Zhang
- Key Laboratory of Environment-Friendly Composite Materials of the State Ethnic Affairs Commission, Key Laboratory for Utility of Environment-Friendly Composite Materials and Biomass, School of Chemical Engineering, Gansu Provincial Biomass Function Composites Engineering Research Center, University of Gansu Province, Northwest Minzu University, Lanzhou 730030, China
| | - Hong Zhang
- Key Laboratory of Environment-Friendly Composite Materials of the State Ethnic Affairs Commission, Key Laboratory for Utility of Environment-Friendly Composite Materials and Biomass, School of Chemical Engineering, Gansu Provincial Biomass Function Composites Engineering Research Center, University of Gansu Province, Northwest Minzu University, Lanzhou 730030, China
| | - Dandan He
- Key Laboratory of Environment-Friendly Composite Materials of the State Ethnic Affairs Commission, Key Laboratory for Utility of Environment-Friendly Composite Materials and Biomass, School of Chemical Engineering, Gansu Provincial Biomass Function Composites Engineering Research Center, University of Gansu Province, Northwest Minzu University, Lanzhou 730030, China
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3
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adir Mahieddine A, Adnane-Amara L. Constructing and electrochemical performance of NiCo-LDHs@h-Ni NWs core-shell for hydrazine detection in environmental samples. J Electroanal Chem (Lausanne) 2023. [DOI: 10.1016/j.jelechem.2023.117168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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4
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Sohrabi H, Dezhakam E, Khataee A, Nozohouri E, Majidi MR, Mohseni N, Trofimov E, Yoon Y. Recent trends in layered double hydroxides based electrochemical and optical (bio)sensors for screening of emerging pharmaceutical compounds. ENVIRONMENTAL RESEARCH 2022; 211:113068. [PMID: 35283073 DOI: 10.1016/j.envres.2022.113068] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Revised: 01/19/2022] [Accepted: 03/01/2022] [Indexed: 06/14/2023]
Abstract
The rapid expansion of the human population has given rise to new environmental and biomedical concerns, contributing to different advancements in the pharmaceutical industry. In the field of analytical chemistry over the last few years, layered double hydroxides (LDHs) have drawn significant attention, owing to their extraordinary properties. Furthermore, the novel advancement of LDH-based optical and electrochemical platforms to detect different pharmaceutical materials has acquired substantial attention because of their outstanding specificity, actual-time controlling, and user-friendliness. This review aims to recapitulate advanced LDHs-based optical and electrochemical sensors and biosensors to identify and measure important pharmaceutical compounds, such as anti-depressant, anti-inflammatory, anti-viral, anti-bacterial, anti-cancer, and anti-fungal drugs. Additionally, fundamental parameters, namely interactions between sensor and analyte, design rationale, classification, selectivity, and specificity are considered. Finally, the development of high-efficiency techniques for optical and electrochemical sensors and biosensors is featured to deliver scientists and readers a complete toolbox to identify a broad scope of pharmaceutical substances. Our goals are: (i) to elucidate the characteristics and capabilities of available LDHs for the identification of pharmaceutical compounds; and (ii) to deliver instances of the feasible opportunities that the existing devices have for the developed sensing of pharmaceuticals regarding the protection of ecosystems and human health at the global level.
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Affiliation(s)
- Hessamaddin Sohrabi
- Department of Analytical Chemistry, Faculty of Chemistry, University of Tabriz, 51666-16471, Tabriz, Iran
| | - Ehsan Dezhakam
- Department of Analytical Chemistry, Faculty of Chemistry, University of Tabriz, 51666-16471, Tabriz, Iran
| | - Alireza Khataee
- Research Laboratory of Advanced Water and Wastewater Treatment Processes, Department of Applied Chemistry, Faculty of Chemistry, University of Tabriz, 51666-16471, Tabriz, Iran; Department of Environmental Engineering, Gebze Technical University, 41400, Gebze, Turkey; Department of Material Science and Physical Chemistry of Materials, South Ural State University, 454080, Chelyabinsk, Russian Federation.
| | - Ehsan Nozohouri
- Department of Pharmaceutical Sciences, Jerry H. Hodge School of Pharmacy, Texas Tech University Health Sciences Center (TTUHSC), Amarillo, TX, USA
| | - Mir Reza Majidi
- Department of Analytical Chemistry, Faculty of Chemistry, University of Tabriz, 51666-16471, Tabriz, Iran
| | - Nazanin Mohseni
- Department of Analytical Chemistry, Faculty of Chemistry, University of Tabriz, 51666-16471, Tabriz, Iran
| | - Evgeny Trofimov
- Department of Material Science and Physical Chemistry of Materials, South Ural State University, 454080, Chelyabinsk, Russian Federation
| | - Yeojoon Yoon
- Department of Environmental and Energy Engineering, Yonsei University, Wonju, Republic of Korea.
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5
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Recent Breakthrough in Layered Double Hydroxides and Their Applications in Petroleum, Green Energy, and Environmental Remediation. Catalysts 2022. [DOI: 10.3390/catal12070792] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
The fast development of the world civilization is continuously based on huge energy consumption. The extra-consumption of fossil fuel (petroleum, coal, and gas) in past decades has caused several political and environmental crises. Accordingly, the world, and especially the scientific community, should discover alternative energy sources to safe-guard our future from severe climate changes. Hydrogen is the ideal energy carrier, where nanomaterials, like layered double hydroxides (LDHs), play a great role in hydrogen production from clean/renewable sources. Here, we review the applications of LDHs in petroleum for the first time, as well as the recent breakthrough in the synthesis of 1D-LDHs and their applications in water splitting to H2. By 1D-LDHs, it is possible to overcome the drawbacks of commercial TiO2, such as its wide bandgap energy (3.2 eV) and working only in the UV-region. Now, we can use TiO2-modified structures for infrared (IR)-induced water splitting to hydrogen. Extending the performance of TiO2 into the IR-region, which includes 53% of sunlight by 1D-LDHs, guarantees high hydrogen evolution rates during the day and night and in cloudy conditions. This is a breakthrough for global hydrogen production and environmental remediation.
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6
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Bilge S, Dogan-Topal B, Yücel A, Sınağ A, Ozkan SA. Recent Advances in Flower-Like Nanomaterials: Synthesis, Characterization, and Advantages in Gas Sensing Applications. Trends Analyt Chem 2022. [DOI: 10.1016/j.trac.2022.116638] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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7
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Eltaweil AS, Abd El-Monaem EM, Elshishini HM, El-Aqapa HG, Hosny M, Abdelfatah AM, Ahmed MS, Hammad EN, El-Subruiti GM, Fawzy M, Omer AM. Recent developments in alginate-based adsorbents for removing phosphate ions from wastewater: a review. RSC Adv 2022; 12:8228-8248. [PMID: 35424751 PMCID: PMC8982349 DOI: 10.1039/d1ra09193j] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Accepted: 02/28/2022] [Indexed: 12/13/2022] Open
Abstract
The huge development of the industrial sector has resulted in the release of large quantities of phosphate anions which adversely affect the environment, human health, and aquatic ecosystems. Naturally occurring biopolymers have attracted considerable attention as efficient adsorbents for phosphate anions due to their biocompatibility, biodegradability, environmentally-friendly nature, low-cost production, availability in nature, and ease of modification. Amongst them, alginate-based adsorbents are considered one of the most effective adsorbents for removing various types of pollutants from industrial wastewater. The presence of active COOH and OH- groups along the alginate backbone facilitate its physical and chemical modifications and participate in various possible adsorption mechanisms of phosphate anions. Herein, we focus our attention on presenting a comprehensive overview of recent advances in phosphate removal by alginate-based adsorbents. Modification of alginate by various materials, including clays, magnetic materials, layered double hydroxides, carbon materials, and multivalent metals, is addressed. The adsorption potentials of these modified forms for removing phosphate anions, in addition to their adsorption mechanisms are clearly discussed. It is concluded that ion exchange, complexation, precipitation, Lewis acid-base interaction and electrostatic interaction are the most common adsorption mechanisms of phosphate removal by alginate-based adsorbents. Pseudo-2nd order and Freundlich isotherms were figured out to be the major kinetic and isotherm models for the removal process of phosphate. The research findings revealed that some issues, including the high cost of production, leaching, and low efficiency of recyclability of alginate-based adsorbents still need to be resolved. Future trends that could inspire further studies to find the best solutions for removing phosphate anions from aquatic systems are also elaborated, such as the synthesis of magnetic-based alginate and various-shaped alginate nanocomposites that are capable of preventing the leaching of the active materials.
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Affiliation(s)
| | - Eman M Abd El-Monaem
- Chemistry Department, Faculty of Science, Alexandria University Alexandria Egypt
| | - Hala M Elshishini
- Department of Environmental Studies, Institute of Graduate Studies and Research, Alexandria University 163, Horrya Avenue Alexandria Egypt
| | - Hisham G El-Aqapa
- Chemistry Department, Faculty of Science, Alexandria University Alexandria Egypt
| | - Mohamed Hosny
- Green Technology Group, Environmental Sciences Department, Faculty of Science, Alexandria University 21511 Alexandria Egypt
| | - Ahmed M Abdelfatah
- Green Technology Group, Environmental Sciences Department, Faculty of Science, Alexandria University 21511 Alexandria Egypt
| | - Maha S Ahmed
- Higher Institute of Science and Technology-King Mariout Egypt
| | - Eman Nasr Hammad
- Chemistry Department, Faculty of Science, Menoufia University Egypt
| | - Gehan M El-Subruiti
- Chemistry Department, Faculty of Science, Alexandria University Alexandria Egypt
| | - Manal Fawzy
- Green Technology Group, Environmental Sciences Department, Faculty of Science, Alexandria University 21511 Alexandria Egypt
| | - Ahmed M Omer
- Polymer Materials Research Department, Advanced Technology and New Materials Research Institute (ATNMRI), City of Scientific Research and Technological Applications (SRTA-City) P. O. Box: 21934 New Borg El-Arab City Alexandria Egypt
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8
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Kim A, Varga I, Adhikari A, Patel R. Recent Advances in Layered Double Hydroxide-Based Electrochemical and Optical Sensors. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:2809. [PMID: 34835574 PMCID: PMC8624839 DOI: 10.3390/nano11112809] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Revised: 10/13/2021] [Accepted: 10/15/2021] [Indexed: 11/17/2022]
Abstract
Layered double hydroxides (LDHs) have attracted considerable attention as promising materials for electrochemical and optical sensors owing to their excellent catalytic properties, facile synthesis strategies, highly tunable morphology, and versatile hosting ability. LDH-based electrochemical sensors are affordable alternatives to traditional precious-metal-based sensors, as LDHs can be synthesized from abundant inorganic precursors. LDH-modified probes can directly catalyze or host catalytic compounds that facilitate analyte redox reactions, detected as changes in the probe's current, voltage, or resistance. The porous and lamellar structure of LDHs allows rapid analyte diffusion and abundant active sites for enhanced sensor sensitivity. LDHs can be composed of conductive materials such as reduced graphene oxide (rGO) or metal nanoparticles for improved catalytic activity and analyte selectivity. As optical sensors, LDHs provide a spacious, stable structure for synergistic guest-host interactions. LDHs can immobilize fluorophores, chemiluminescence reactants, and other spectroscopically active materials to reduce the aggregation and dissolution of the embedded sensor molecules, yielding enhanced optical responses and increased probe reusability. This review discusses standard LDH synthesis methods and overviews the different electrochemical and optical analysis techniques. Furthermore, the designs and modifications of exemplary LDHs and LDH composite materials are analyzed, focusing on the analytical performance of LDH-based sensors for key biomarkers and pollutants, including glucose, dopamine (DA), H2O2, metal ions, nitrogen-based toxins, and other organic compounds.
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Affiliation(s)
- Andrew Kim
- Department of Chemical Engineering, The Cooper Union for the Advancement of Science and Art, New York, NY 10003, USA;
| | - Imre Varga
- Institute of Chemistry, Eötvös Loránd University, 1117 Budapest, Hungary
| | | | - Rajkumar Patel
- Energy and Environmental Science and Engineering (EESE), Integrated Science and Engineering Division (ISED), Underwood International College, Yonsei University, 85 Songdogwahak-ro, Yeonsu-gu, Incheon 21983, Korea
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9
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Vigna L, Nigro A, Verna A, Ferrari IV, Marasso SL, Bocchini S, Fontana M, Chiodoni A, Pirri CF, Cocuzza M. Layered Double Hydroxide-Based Gas Sensors for VOC Detection at Room Temperature. ACS OMEGA 2021; 6:20205-20217. [PMID: 34395971 PMCID: PMC8358945 DOI: 10.1021/acsomega.1c02038] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Accepted: 07/14/2021] [Indexed: 05/27/2023]
Abstract
Miniaturized low-cost sensors for volatile organic compounds (VOCs) have the potentiality to become a fundamental tool for indoor and outdoor air quality monitoring, to significantly improve everyday life. Layered double hydroxides (LDHs) belong to the class of anionic clays and are largely employed for NO x detection, while few results are reported on VOCs. In this work, a novel LDH coprecipitation method is proposed. For the first time, a study comparing four LDHs (ZnAl-Cl, ZnFe-Cl, ZnAl-NO3, and MgAl-NO3) is carried out to investigate the sensing performances. As explored through several microscopy and spectroscopy analyses, LDHs show a morphology characterized by a large surface area and a three-dimensional hierarchical flowerlike architecture with micro- and nanopores that induce a fast diffusion and highly effective surface interaction of the target gases. The fabricated sensors, operating at room temperature, are able to reversibly and selectively detect acetone, ethanol, ammonia, and chlorine vapors, reaching significant sensing response values up to 6% at 21 °C. The results demonstrate that by changing the LDHs' composition, it is possible to modulate the sensitivity and selectivity of the sensor, helping the discrimination of different analytes, and the consequent integration on a sensor array paves the way for electronic nose development.
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Affiliation(s)
- Lorenzo Vigna
- Dipartimento
di Scienza Applicata e Tecnologia (DISAT), Politecnico di Torino, C.so Duca degli Abruzzi 24, 10129 Torino, Italy
| | - Arianna Nigro
- Dipartimento
di Scienza Applicata e Tecnologia (DISAT), Politecnico di Torino, C.so Duca degli Abruzzi 24, 10129 Torino, Italy
| | - Alessio Verna
- Dipartimento
di Scienza Applicata e Tecnologia (DISAT), Politecnico di Torino, C.so Duca degli Abruzzi 24, 10129 Torino, Italy
| | - Ivan Vito Ferrari
- Center
for Sustainable Future Technologies, Istituto
Italiano di Tecnologia, Via Livorno 60, 10144 Torino, Italy
| | - Simone Luigi Marasso
- Dipartimento
di Scienza Applicata e Tecnologia (DISAT), Politecnico di Torino, C.so Duca degli Abruzzi 24, 10129 Torino, Italy
- CNR-IMEM, Parco Area delle Scienze 37a, 43124 Parma, Italy
| | - Sergio Bocchini
- Center
for Sustainable Future Technologies, Istituto
Italiano di Tecnologia, Via Livorno 60, 10144 Torino, Italy
| | - Marco Fontana
- Center
for Sustainable Future Technologies, Istituto
Italiano di Tecnologia, Via Livorno 60, 10144 Torino, Italy
| | - Angelica Chiodoni
- Center
for Sustainable Future Technologies, Istituto
Italiano di Tecnologia, Via Livorno 60, 10144 Torino, Italy
| | - Candido Fabrizio Pirri
- Dipartimento
di Scienza Applicata e Tecnologia (DISAT), Politecnico di Torino, C.so Duca degli Abruzzi 24, 10129 Torino, Italy
- Center
for Sustainable Future Technologies, Istituto
Italiano di Tecnologia, Via Livorno 60, 10144 Torino, Italy
| | - Matteo Cocuzza
- Dipartimento
di Scienza Applicata e Tecnologia (DISAT), Politecnico di Torino, C.so Duca degli Abruzzi 24, 10129 Torino, Italy
- CNR-IMEM, Parco Area delle Scienze 37a, 43124 Parma, Italy
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10
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Tian H, Zhu K, Li W, Wang L, Yu Z, Lai Y, He Y. Facile synthesis of Ni-Co layered double hydroxide with nitrates as interlayer anions via an oxidation-induced anion intercalation process for hybrid supercapacitors. Electrochim Acta 2021. [DOI: 10.1016/j.electacta.2021.138087] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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11
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Li A, Deng H, Wu Y, Ye C, Jiang Y. Strong Adsorption of Phosphorus by ZnAl-LDO-Activated Banana Biochar: An Analysis of Adsorption Efficiency, Thermodynamics, and Internal Mechanisms. ACS OMEGA 2021; 6:7402-7412. [PMID: 33778253 PMCID: PMC7992081 DOI: 10.1021/acsomega.0c05674] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2020] [Accepted: 01/28/2021] [Indexed: 05/22/2023]
Abstract
Zn-Al layered bimetallic composites were prepared by ethanol strengthening and co-precipitation using banana straw as a raw material. A high-efficiency phosphorus adsorbent (ZnAl-LDO-BC) was obtained by calcination at a high temperature. The kinetics and thermodynamics of phosphorus adsorption on ZnAl-LDO-BC were then studied. The results showed that the adsorption process of ZnAl-LDO-BC corresponds with the pseudo-second-order (PSO) kinetic equation and the Langmuir model. The theoretical maximum adsorption capacity of ZnAl-LDO-BC is 111.11 mg/g (at 45 °C, 500 mg/L phosphorus initial concentration). The influence of anions on phosphorus adsorption decreased in strength in the following order: CO3 2- > SO4 2- > NO3 -. Scanning electron microscopy-energy dispersive spectroscopy (SEM-EDS), Fourier transform infrared (FTIR) spectroscopy, and X-ray diffraction (XRD) were used to characterize the adsorption of phosphorus on ZnAl-LDO-BC and showed that ZnAl-LDO-BC can efficiently adsorb phosphorus. The adsorption mechanism utilizes both O-H and C-H on the surface of ZnAl-LDO-BC for the adsorption of PO4 3-, forming Zn3(PO4)2·4H2O via complexation precipitation; additionally, biochar surface adsorption and interlayer adsorption are indispensable forms of phosphate adsorption. With the systematic study of phosphorus adsorption by ZnAl-LDO-BC, a novel green technology was developed for addressing phosphorus pollution.
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12
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Ullah M, Bai X, Chen J, Lv H, Liu Z, Zhang Y, Wang J, Sun B, Li L, Shi K. Metal-organic framework material derived Co3O4 coupled with graphitic carbon nitride as highly sensitive NO2 gas sensor at room temperature. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2020.125972] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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13
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Li H, Zhang J, Yang T, Wang Y, Gao H, Wang X, Chai Z. SnNb 2O 6/NiCo-LDH Z-scheme heterojunction with regulated oxygen vacancies obtained by engineering the crystallinity for efficient and renewable photocatalytic H 2 evolution. Catal Sci Technol 2021. [DOI: 10.1039/d1cy01019k] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
SnNb2O6/NiCo-LDH Z-scheme heterojunction with abundant oxygen vacancies exhibited highly activity and stability toward photocatalytic H2 evolution, ascribed to the regeneration of oxygen vacancy by engineering the crystallinity.
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Affiliation(s)
- Hui Li
- Inner Mongolia Key Laboratory of Chemistry and Physics of Rare Earth Materials, School of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010021, People's Republic of China
| | - Jingyu Zhang
- Inner Mongolia Key Laboratory of Chemistry and Physics of Rare Earth Materials, School of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010021, People's Republic of China
| | - Ting Yang
- Inner Mongolia Key Laboratory of Chemistry and Physics of Rare Earth Materials, School of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010021, People's Republic of China
| | - Yinshu Wang
- Inner Mongolia Key Laboratory of Chemistry and Physics of Rare Earth Materials, School of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010021, People's Republic of China
| | - Hongyu Gao
- Inner Mongolia Key Laboratory of Chemistry and Physics of Rare Earth Materials, School of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010021, People's Republic of China
| | - Xiaojing Wang
- Inner Mongolia Key Laboratory of Chemistry and Physics of Rare Earth Materials, School of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010021, People's Republic of China
| | - Zhanli Chai
- Inner Mongolia Key Laboratory of Chemistry and Physics of Rare Earth Materials, School of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010021, People's Republic of China
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14
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Boccalon E, Gorrasi G, Nocchetti M. Layered double hydroxides are still out in the bloom: Syntheses, applications and advantages of three-dimensional flower-like structures. Adv Colloid Interface Sci 2020; 285:102284. [PMID: 33164779 DOI: 10.1016/j.cis.2020.102284] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Revised: 10/09/2020] [Accepted: 10/09/2020] [Indexed: 01/08/2023]
Abstract
Layered double hydroxides (LDHs) have received great attention for years in numerous fields. Controlled and flexible layer composition, as well as the vast assortment of possible anionic guests, and easy adaptability for multipurpose applications, have been some of the many reasons behind their extraordinary success. However, versatility does not only involve the composition or the dimensions of the crystals but also their morphology. Aside from conventional hexagonal, flat structures, three-dimensional assemblies have been reported with architectures closely resembling those of flowers. The possibility of interconnecting the LDH nanosheets in rosette-like geometries has arisen the interest in finding new ways to control, modulate, and guide the particle growth obtaining hierarchical structures to be adapted to specific targets. This review is focused on describing the different strategies implemented to build flower-like assemblies, and on investigating their applications, looking for specific advantages of the use of a three-dimensional architecture over a bi-dimensional one.
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Affiliation(s)
- Elisa Boccalon
- Department of Industrial Engineering, Via Giovanni Paolo II 132, University of Salerno, 84084 Salerno, Italy
| | - Giuliana Gorrasi
- Department of Industrial Engineering, Via Giovanni Paolo II 132, University of Salerno, 84084 Salerno, Italy.
| | - Morena Nocchetti
- Department of Pharmaceutical Sciences, Via del Liceo 1, University of Perugia, 06123 Perugia, Italy
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15
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Hong Y, Wang D, Lin C, Luo S, Pan Q, Li L, Shi K. Room-temperature efficient NO 2 gas sensors fabricated by porous 3D flower-like ZnAl-layered double hydroxides. NEW J CHEM 2020. [DOI: 10.1039/d0nj04263c] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Three-dimensional (3D) flower-like zinc and aluminum-sodium dodecyl sulfate-layered double hydroxides (ZnAl-SDS-LDHs) intercalated by anions were prepared using a simple one-step hydrothermal method.
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Affiliation(s)
- Ye Hong
- Key Laboratory of Functional Inorganic Material Chemistry
- Ministry of Education
- School of Chemistry and Material Science
- Heilongjiang University
- Harbin
| | - Di Wang
- Key Laboratory of Functional Inorganic Material Chemistry
- Ministry of Education
- School of Chemistry and Material Science
- Heilongjiang University
- Harbin
| | - Chong Lin
- Key Laboratory of Functional Inorganic Material Chemistry
- Ministry of Education
- School of Chemistry and Material Science
- Heilongjiang University
- Harbin
| | - Shuiting Luo
- Key Laboratory of Functional Inorganic Material Chemistry
- Ministry of Education
- School of Chemistry and Material Science
- Heilongjiang University
- Harbin
| | - Qingjiang Pan
- Key Laboratory of Functional Inorganic Material Chemistry
- Ministry of Education
- School of Chemistry and Material Science
- Heilongjiang University
- Harbin
| | - Li Li
- Key Laboratory of Functional Inorganic Material Chemistry
- Ministry of Education
- School of Chemistry and Material Science
- Heilongjiang University
- Harbin
| | - Keying Shi
- Key Laboratory of Functional Inorganic Material Chemistry
- Ministry of Education
- School of Chemistry and Material Science
- Heilongjiang University
- Harbin
| |
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