1
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Karn-orachai K, Wattanasin P, Ngamaroonchote A. Colorimetric Sensor for Cr(VI) Ion Detection in Tap Water Using a Combination of AuNPs and AgNPs. ACS OMEGA 2024; 9:26472-26483. [PMID: 38911821 PMCID: PMC11191111 DOI: 10.1021/acsomega.4c02699] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/20/2024] [Revised: 05/25/2024] [Accepted: 05/30/2024] [Indexed: 06/25/2024]
Abstract
Colorimetric sensors are a promising technique for the simple screening of water, food, and environmental samples contaminated with interferents, allowing for color changes to be observed with the naked eye or a spectrophotometer. In this study, a colorimetric sensor for the selective detection of hexavalent chromium ion (Cr(VI)) contamination in water was developed. A combination of sodium borohydride-coated gold and citrate-capped silver nanoparticles (Na-AuNPs/cit-AgNPs) was employed as a colorimetric probe. Upon the addition of Cr(VI)-contaminated tap water in the colorimetric probe solution, the color sequentially transitioned from its initial orange to dark reddish-purple, dark purplish-red, dark blue-violet, and gray. This colorimetric strategy relies on AgNP dissolution and AuNP aggregation in the presence of the Cr(VI) ions. The dissolution of AgNPs is evidenced by the reduction of the characteristic peak of AgNPs at 400 nm, while the aggregation of AuNPs leads to a red shift in the absorption band at 514 nm, accompanied by broad absorption in the 500-700 nm range. The limits of detections were found to be 22.9 and 50 ppb using a spectrometer and by visual observation, respectively. The synthesized AuNPs and AgNPs are very stable in the presence of media containing complicated ions. We further demonstrated the practical applicability of the developed system for detecting Cr(VI) in real samples, including natural water and artificial urine, highlighting its potential for addressing Cr(VI) contamination in practical scenarios.
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Affiliation(s)
- Kullavadee Karn-orachai
- National
Nanotechnology Center (NANOTEC), National Science and Technology Development
Agency (NSTDA), Klongluang 12120, Pathum Thani, Thailand
| | - Panwadee Wattanasin
- Faculty
of Science, Center of Excellence for Innovation in Chemistry, Prince of Songkla University, Hat Yai 90110, Thailand
| | - Aroonsri Ngamaroonchote
- National
Nanotechnology Center (NANOTEC), National Science and Technology Development
Agency (NSTDA), Klongluang 12120, Pathum Thani, Thailand
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2
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Chen H, Geng J, Shen J, Shi Q, Lv J, Lv Y, Song C. Synthesis and Catalytic Degradation of PEF, ENR, and CIP by g-C 3N 4/TCNQ/Eu Composite. MICROMACHINES 2023; 14:2146. [PMID: 38138315 PMCID: PMC10745507 DOI: 10.3390/mi14122146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 11/08/2023] [Accepted: 11/18/2023] [Indexed: 12/24/2023]
Abstract
By using melamine as a precursor for the copolymerization process, g-C3N4 and g-C3N4/TCNQ/Eu complexes with various amounts of doping were created. These complexes were then examined using XRD, FT-IR, SEM, TEM, XPS, PL, UV-vis, and I-T. The degradation rates of pefloxacin (PEF), enrofloxacin (ENR), and ciprofloxacin (CIP) were 91.1%, 90.8%, and 93.2% under visible light (λ > 550 nm). The photocatalytic performance of the composite was analyzed, and the best effect was obtained for CIP photocatalysis when Eu doping was 3 mg at 20 °C and pH 7. Kinetic analysis showed that there was a linear relationship between the sample and the photocatalytic time, and the degradation rate was about 5 times that of g-C3N4. The cyclic stability of the g-C3N4/TCNQ/Eu composite sample was found to be good through repeated experiments. UPLC-MS visualizes the degradation process of CIP. The extremely low stability of piperazine ring induced subsequent degradation, followed by the fracture of quinolone ring promoting the complete decomposition of CIP.
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Affiliation(s)
- Hongyue Chen
- College of Pharmacy, Jiamusi University, Jiamusi 154007, China
| | - Jianxin Geng
- College of Pharmacy, Jiamusi University, Jiamusi 154007, China
| | - Jinghui Shen
- College of Pharmacy, Jiamusi University, Jiamusi 154007, China
| | - Qi Shi
- College of Pharmacy, Jiamusi University, Jiamusi 154007, China
| | - Jingxue Lv
- College of Pharmacy, Jiamusi University, Jiamusi 154007, China
| | - Yuguang Lv
- College of Pharmacy, Jiamusi University, Jiamusi 154007, China
| | - Chaoyu Song
- College of Pharmacy, Jiamusi University, Jiamusi 154007, China
- School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
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3
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Alzubidi AE, Bond AM, Martin LL. Oxidation of Thiosulphate using TCNQF
n
(n=0, 2, 4) Derivatives with a Tuneable Driving Force: Electrochemical and Spectrophotometric Detection of a Protonated Intermediate. ChemElectroChem 2022. [DOI: 10.1002/celc.202200538] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
| | - Alan M. Bond
- School of Chemistry Monash University Clayton 3800 Victoria Australia
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4
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Hussain Z, Nafady A, Anderson SR, Al-Enizi AM, Alothman AA, Ramanathan R, Bansal V. Increased Crystallization of CuTCNQ in Water/DMSO Bisolvent for Enhanced Redox Catalysis. NANOMATERIALS 2021; 11:nano11040954. [PMID: 33917931 PMCID: PMC8068373 DOI: 10.3390/nano11040954] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 03/24/2021] [Accepted: 04/03/2021] [Indexed: 11/21/2022]
Abstract
Controlling the kinetics of CuTCNQ (TCNQ = 7,7,8,8-tetracyanoquinodimethane) crystallization has been a major challenge, as CuTCNQ crystallizing on Cu foil during synthesis in conventional solvents such as acetonitrile simultaneously dissolves into the reaction medium. In this work, we address this challenge by using water as a universal co-solvent to control the kinetics of crystallization and growth of phase I CuTCNQ. Water increases the dielectric constant of the reaction medium, shifting the equilibrium toward CuTCNQ crystallization while concomitantly decreasing the dissolution of CuTCNQ. This allows more CuTCNQ to be controllably crystallized on the surface of the Cu foil. Different sizes of CuTCNQ crystals formed on Cu foil under different water/DMSO admixtures influence the solvophilicity of these materials. This has important implications in their catalytic performance, as water-induced changes in the surface properties of these materials can make them highly hydrophilic, which allows the CuTCNQ to act as an efficient catalyst as it brings the aqueous reactants in close vicinity of the catalyst. Evidently, the CuTCNQ synthesized in 30% (v/v) water/DMSO showed superior catalytic activity for ferricyanide reduction with 95% completion achieved within a few minutes in contrast to CuTCNQ synthesized in DMSO that took over 92 min.
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Affiliation(s)
- Zakir Hussain
- Ian Potter NanoBioSensing Facility, NanoBiotechnology Research Laboratory (NBRL), School of Science, RMIT University, P.O. Box 2476, Melbourne, VIC 3000, Australia; (Z.H.); (S.R.A.)
| | - Ayman Nafady
- Chemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia; (A.M.A.-E.); (A.A.A.)
- Correspondence: (A.N.); (R.R.); (V.B.); Tel.: +61-3-9925-2887 (R.R.); +61-3-9925-2121 (V.B.)
| | - Samuel R. Anderson
- Ian Potter NanoBioSensing Facility, NanoBiotechnology Research Laboratory (NBRL), School of Science, RMIT University, P.O. Box 2476, Melbourne, VIC 3000, Australia; (Z.H.); (S.R.A.)
| | - Abdullah M. Al-Enizi
- Chemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia; (A.M.A.-E.); (A.A.A.)
| | - Asma A. Alothman
- Chemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia; (A.M.A.-E.); (A.A.A.)
| | - Rajesh Ramanathan
- Ian Potter NanoBioSensing Facility, NanoBiotechnology Research Laboratory (NBRL), School of Science, RMIT University, P.O. Box 2476, Melbourne, VIC 3000, Australia; (Z.H.); (S.R.A.)
- Correspondence: (A.N.); (R.R.); (V.B.); Tel.: +61-3-9925-2887 (R.R.); +61-3-9925-2121 (V.B.)
| | - Vipul Bansal
- Ian Potter NanoBioSensing Facility, NanoBiotechnology Research Laboratory (NBRL), School of Science, RMIT University, P.O. Box 2476, Melbourne, VIC 3000, Australia; (Z.H.); (S.R.A.)
- Correspondence: (A.N.); (R.R.); (V.B.); Tel.: +61-3-9925-2887 (R.R.); +61-3-9925-2121 (V.B.)
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5
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Liu EC, Topczewski JJ. Gram-Scale Synthesis of 2,5-Difluoro-7,7,8,8-tetracyanoquinodimethane (F 2-TCNQ). J Org Chem 2020; 85:4560-4564. [PMID: 32118430 DOI: 10.1021/acs.joc.0c00053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The molecule 2,5-difluoro-7,7,8,8-tetracyanoquinodimethane (F2-TCNQ) is an organic semiconductor with many promising properties, including high charge mobility (μ). However, an efficient gram-scale synthesis of F2-TCNQ has not been fully documented. Herein, we report a synthesis of F2-TCNQ via a three-step sequence that affords F2-TCNQ in 58% cumulative yield. This synthesis was used to prepare more than 1 g of F2-TCNQ.
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Affiliation(s)
- En-Chih Liu
- Department of Chemistry, University of Minnesota Twin Cities, Minneapolis, Minnesota 55455, United States
| | - Joseph J Topczewski
- Department of Chemistry, University of Minnesota Twin Cities, Minneapolis, Minnesota 55455, United States
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6
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Jadhav RW, La DD, More VG, Tung Vo H, Nguyen DA, Tran DL, Bhosale SV. Self-assembled kanamycin antibiotic-inorganic microflowers and their application as a photocatalyst for the removal of organic dyes. Sci Rep 2020; 10:154. [PMID: 31932614 PMCID: PMC6957687 DOI: 10.1038/s41598-019-57044-z] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2019] [Accepted: 12/10/2019] [Indexed: 11/08/2022] Open
Abstract
Construction of hybrid three-dimensional (3D) hierarchical nanostructures via self-assembly of organic and inorganic compounds have recently attracted immense interest from scientists due to their unique properties and promise in a large range of applications. In this article, hybrid flower structures were successfully constructed by self-assembly an antibiotic, kanamycin, with Cu2+. The flower-like morphology was observed by scanning electron microscopy, to be approximately 4 µm in diameter and about 10 nm in thickness. FTIR spectroscopy and X-ray diffraction confirmed the antibiotic-inorganic hybrid structure was uniform composition, and showed crystallinity due to ordered self-assembly. The hybrid flowers showed high photocatalytic activity towards degradation of methyl blue during 240 minutes under visible light irradiation. A possible mechanism of photocatalytic activity was also proposed, that exposes the inherent advantages in using antibiotic-inorganic hybrid flowers as photocatalysts, where self-assembly can be used to generate active, high surface area structures for photodegradation of pollutants.
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Affiliation(s)
- Ratan W Jadhav
- School of Chemical Sciences, Goa University, Taleigao Plateau, Goa, 403 206, India
| | - Duong Duc La
- Institute of Chemistry and Materials, Hanoi, Vietnam
| | - Vishal G More
- School of Chemical Sciences, Goa University, Taleigao Plateau, Goa, 403 206, India
| | - Hoang Tung Vo
- Environmental Institute, Vietnam Maritime University, Haiphong city, Vietnam
| | | | - Dai Lam Tran
- Institute of Tropical Engineering, Vietnam Academy of Science and Technology, Hanoi, Vietnam
| | - Sheshanath V Bhosale
- School of Chemical Sciences, Goa University, Taleigao Plateau, Goa, 403 206, India.
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7
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Aljabri MD, Gosavi NM, Jones LA, Morajkar PP, La DD, Bhosale SV. Arginine-Induced Self-Assembly of Protoporphyrin to Obtain Effective Photocatalysts in Aqueous Media Under Visible Light. Molecules 2019; 24:molecules24224172. [PMID: 31752075 PMCID: PMC6891641 DOI: 10.3390/molecules24224172] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2019] [Revised: 11/10/2019] [Accepted: 11/15/2019] [Indexed: 11/16/2022] Open
Abstract
The fabrication of controlled supramolecular nanostructures via self-assembly of protoporphyrin IX (PPIX) was studied with enantiomerically pure l-arginine and d-arginine, and we have shown that stoichiometry controlled the morphology formed. The nanostructure morphology was mainly influenced by the delicate balance of π-π stacking interactions between PPIX cores, as well as H-bonding between the deprotonated acidic head group of PPIX with the guanidine head group of arginine. PPIX self-assembled with l-/d-arginine to create rose-like nanoflower structures for four equivalents of arginine that were 5–10 μm in length and 1–4 μm diameter. We employed UV-vis, fluorescence spectroscopy, scanning electron microscopy (SEM), X-ray diffraction (XRD), dynamic light scattering (DLS) and Fourier transform infrared spectroscopy (FT-IR) techniques to characterize the resulting self-assembled nanostructures. Furthermore, we investigated the catalytic activity of PPIX and arginine co-assembled materials. The fabricated PPIX–arginine nanostructure showed high enhancement of photocatalytic activity through degradation of rhodamine B (RhB) with a decrease in dye concentration of around 78–80% under simulated visible radiation.
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Affiliation(s)
- Mahmood D. Aljabri
- School of Science, RMIT University, GPO Box 2476, Melbourne, Victoria 3001, Australia;
| | - Nilesh M. Gosavi
- School of Chemical Sciences, Goa University, Taleigao Plateau, Goa 403206, India; (N.M.G.); (P.P.M.)
| | - Lathe A. Jones
- Centre for Advanced Materials and Industrial Chemistry (CAMIC), School of Science, RMIT University, GPO Box 2476, Melbourne, Victoria 3001, Australia;
| | - Pranay P. Morajkar
- School of Chemical Sciences, Goa University, Taleigao Plateau, Goa 403206, India; (N.M.G.); (P.P.M.)
| | - Duong D. La
- Institute of Chemistry and Materials, Nghia Do, Cau Giay, Hanoi 100000, Vietnam;
| | - Sheshanath V. Bhosale
- School of Chemical Sciences, Goa University, Taleigao Plateau, Goa 403206, India; (N.M.G.); (P.P.M.)
- Correspondence: ; Tel.: +91-(0866)-960-9303
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8
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Wang Y, Cui Z, Xiao G, Zhao Y, Jin Y, Wang Z, Su H, Tan T. The visible-light-driven photo-reduction of Cr(VI) by formic acid in aqueous solution. Sep Purif Technol 2019. [DOI: 10.1016/j.seppur.2019.115727] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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9
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Behera BK, Das A, Sarkar DJ, Weerathunge P, Parida PK, Das BK, Thavamani P, Ramanathan R, Bansal V. Polycyclic Aromatic Hydrocarbons (PAHs) in inland aquatic ecosystems: Perils and remedies through biosensors and bioremediation. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2018; 241:212-233. [PMID: 29807281 DOI: 10.1016/j.envpol.2018.05.016] [Citation(s) in RCA: 79] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2018] [Revised: 04/24/2018] [Accepted: 05/04/2018] [Indexed: 05/14/2023]
Abstract
Polycyclic Aromatic Hydrocarbons (PAHs) are among the most ubiquitous environmental pollutants of high global concern. PAHs belong to a diverse family of hydrocarbons with over one hundred compounds known, each containing at least two aromatic rings in their structure. Due to hydrophobic nature, PAHs tend to accumulate in the aquatic sediments, leading to bioaccumulation and elevated concentrations over time. In addition to their well-manifested mutagenic and carcinogenic effects in humans, they pose severe detrimental effects to aquatic life. The high eco-toxicity of PAHs has attracted a number of reviews, each dealing specifically with individual aspects of this global pollutant. However, efficient management of PAHs warrants a holistic approach that combines a thorough understanding of their physico-chemical properties, modes of environmental distribution and bioaccumulation, efficient detection, and bioremediation strategies. Currently, there is a lack of a comprehensive study that amalgamates all these aspects together. The current review, for the first time, overcomes this constraint, through providing a high level comprehensive understanding of the complexities faced during PAH management, while also recommending future directions through potentially viable solutions. Importantly, effective management of PAHs strongly relies upon reliable detection tools, which are currently non-existent, or at the very best inefficient, and therefore have a strong prospect of future development. Notably, the currently available biosensor technologies for PAH monitoring have not so far been compiled together, and therefore a significant focus of this article is on biosensor technologies that are critical for timely detection and efficient management of PAHs. This review is focussed on inland aquatic ecosystems with an emphasis on fish biodiversity, as fish remains a major source of food and livelihood for a large proportion of the global population. This thought provoking study is likely to instigate new collaborative approaches for protecting aquatic biodiversity from PAHs-induced eco-toxicity.
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Affiliation(s)
- Bijay Kumar Behera
- ICAR-Central Inland Fisheries Research Institute, Barrackpore, Kolkata 700120, India; Ian Potter NanoBioSensing Facility, NanoBiotechnology Research Laboratory, School of Science, RMIT University, Melbourne, VIC 3000, Australia.
| | - Abhishek Das
- ICAR-Central Inland Fisheries Research Institute, Barrackpore, Kolkata 700120, India
| | - Dhruba Jyoti Sarkar
- ICAR-Central Inland Fisheries Research Institute, Barrackpore, Kolkata 700120, India
| | - Pabudi Weerathunge
- Ian Potter NanoBioSensing Facility, NanoBiotechnology Research Laboratory, School of Science, RMIT University, Melbourne, VIC 3000, Australia
| | - Pranaya Kumar Parida
- ICAR-Central Inland Fisheries Research Institute, Barrackpore, Kolkata 700120, India
| | - Basanta Kumar Das
- ICAR-Central Inland Fisheries Research Institute, Barrackpore, Kolkata 700120, India
| | - Palanisami Thavamani
- Global Centre for Environmental Remediation (GCER), Faculty of Science and Information Technology, The University of Newcastle, Callaghan, NSW 2308, Australia
| | - Rajesh Ramanathan
- Ian Potter NanoBioSensing Facility, NanoBiotechnology Research Laboratory, School of Science, RMIT University, Melbourne, VIC 3000, Australia
| | - Vipul Bansal
- Ian Potter NanoBioSensing Facility, NanoBiotechnology Research Laboratory, School of Science, RMIT University, Melbourne, VIC 3000, Australia.
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10
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Deka P, Borah BJ, Saikia H, Bharali P. Cu‐Based Nanoparticles as Emerging Environmental Catalysts. CHEM REC 2018; 19:462-473. [DOI: 10.1002/tcr.201800055] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2018] [Accepted: 07/25/2018] [Indexed: 12/18/2022]
Affiliation(s)
- Pangkita Deka
- Department of Chemical SciencesTezpur University Napaam 784 028, Assam India
| | - Biraj Jyoti Borah
- Department of Chemical SciencesTezpur University Napaam 784 028, Assam India
| | - Himadri Saikia
- Department of Chemical SciencesTezpur University Napaam 784 028, Assam India
| | - Pankaj Bharali
- Department of Chemical SciencesTezpur University Napaam 784 028, Assam India
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11
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Hu S, Xiao W, Yang W, Yang J, Fang Y, Xiong J, Luo Z, Deng H, Guo Y, Zhang L, Ding J. Molecular O 2 Activation over Cu(I)-Mediated C≡N Bond for Low-Temperature CO Oxidation. ACS APPLIED MATERIALS & INTERFACES 2018; 10:17167-17174. [PMID: 29682956 DOI: 10.1021/acsami.8b02367] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
The activation of molecular oxygen (O2) is extremely crucial in heterogeneous oxidations for various industrial applications. Here, a charge-transfer complex CuTCNQ nanowire (CuTCNQ NW) array grown on the copper foam was first reported to show CO catalytic oxidation activity at a temperature below 200 °C with the activated O2 as an oxidant. The molecular O2 was energetically activated over the Cu(I)-mediated C≡N bond with a lower energy of -1.167 eV and preferentially reduced to •O2- through one-electron transfer during the activation process by density functional theory calculations and electron paramagnetic resonance. The theoretical calculations indicated that the CO molecule was oxidized by the activated O2 on the CuTCNQ NW surface via the Eley-Rideal mechanism, which had been further confirmed by in situ diffuse reflectance infrared Fourier transform spectra. These results indicated that the local C≡N bond electron-state engineering could effectively improve the molecular O2 activation efficiency, which facilitates the low-temperature CO catalytic oxidation. The findings reported here enhance our understanding on the molecular oxygen activation pathway over metal-organic nanocatalysts and provide a new avenue for rational design of novel low-cost, organic-based heterogeneous catalysts.
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Affiliation(s)
- Siyu Hu
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, Institute of Environmental and Applied Chemistry, College of Chemistry , Central China Normal University , Wuhan 430079 , P. R. China
| | - Wen Xiao
- Department of Materials Science and Engineering , National University of Singapore , 117575 , Singapore
| | - Weiwei Yang
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, Institute of Environmental and Applied Chemistry, College of Chemistry , Central China Normal University , Wuhan 430079 , P. R. China
| | - Ji Yang
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, Institute of Environmental and Applied Chemistry, College of Chemistry , Central China Normal University , Wuhan 430079 , P. R. China
| | - Yarong Fang
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, Institute of Environmental and Applied Chemistry, College of Chemistry , Central China Normal University , Wuhan 430079 , P. R. China
| | - Juxia Xiong
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, Institute of Environmental and Applied Chemistry, College of Chemistry , Central China Normal University , Wuhan 430079 , P. R. China
| | - Zhu Luo
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, Institute of Environmental and Applied Chemistry, College of Chemistry , Central China Normal University , Wuhan 430079 , P. R. China
| | - Hongtao Deng
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, Institute of Environmental and Applied Chemistry, College of Chemistry , Central China Normal University , Wuhan 430079 , P. R. China
| | - Yanbing Guo
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, Institute of Environmental and Applied Chemistry, College of Chemistry , Central China Normal University , Wuhan 430079 , P. R. China
| | - Lizhi Zhang
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, Institute of Environmental and Applied Chemistry, College of Chemistry , Central China Normal University , Wuhan 430079 , P. R. China
| | - Jun Ding
- Department of Materials Science and Engineering , National University of Singapore , 117575 , Singapore
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12
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Singh M, Jampaiah D, Kandjani AE, Sabri YM, Della Gaspera E, Reineck P, Judd M, Langley J, Cox N, van Embden J, Mayes ELH, Gibson BC, Bhargava SK, Ramanathan R, Bansal V. Oxygen-deficient photostable Cu 2O for enhanced visible light photocatalytic activity. NANOSCALE 2018. [PMID: 29543296 DOI: 10.1039/c7nr08388b] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
Oxygen vacancies in inorganic semiconductors play an important role in reducing electron-hole recombination, which may have important implications in photocatalysis. Cuprous oxide (Cu2O), a visible light active p-type semiconductor, is a promising photocatalyst. However, the synthesis of photostable Cu2O enriched with oxygen defects remains a challenge. We report a simple method for the gram-scale synthesis of highly photostable Cu2O nanoparticles by the hydrolysis of a Cu(i)-triethylamine [Cu(i)-TEA] complex at low temperature. The oxygen vacancies in these Cu2O nanoparticles led to a significant increase in the lifetimes of photogenerated charge carriers upon excitation with visible light. This, in combination with a suitable energy band structure, allowed Cu2O nanoparticles to exhibit outstanding photoactivity in visible light through the generation of electron-mediated hydroxyl (OH˙) radicals. This study highlights the significance of oxygen defects in enhancing the photocatalytic performance of promising semiconductor photocatalysts.
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Affiliation(s)
- Mandeep Singh
- Ian Potter NanoBioSensing Facility, NanoBiotechnology Research Laboratory, School of Science, RMIT University, Melbourne, VIC 3000, Australia.
| | - Deshetti Jampaiah
- Ian Potter NanoBioSensing Facility, NanoBiotechnology Research Laboratory, School of Science, RMIT University, Melbourne, VIC 3000, Australia.
| | - Ahmad E Kandjani
- Centre for Advanced Materials and Industrial Chemistry, School of Science, RMIT University, Melbourne, VIC 3000, Australia
| | - Ylias M Sabri
- Centre for Advanced Materials and Industrial Chemistry, School of Science, RMIT University, Melbourne, VIC 3000, Australia
| | | | - Philipp Reineck
- ARC Centre of Excellence for Nanoscale BioPhotonics, School of Science, RMIT University, Melbourne, VIC 3000, Australia
| | - Martyna Judd
- Research School of Chemistry, Australian National University, Canberra, ACT 2601, Australia
| | - Julien Langley
- Research School of Chemistry, Australian National University, Canberra, ACT 2601, Australia
| | - Nicholas Cox
- Research School of Chemistry, Australian National University, Canberra, ACT 2601, Australia
| | - Joel van Embden
- School of Science, RMIT University, Melbourne, VIC 3000, Australia
| | - Edwin L H Mayes
- RMIT Microscopy and Microanalysis Facility (RMMF), RMIT University, Melbourne, VIC 3000, Australia
| | - Brant C Gibson
- ARC Centre of Excellence for Nanoscale BioPhotonics, School of Science, RMIT University, Melbourne, VIC 3000, Australia
| | - Suresh K Bhargava
- Centre for Advanced Materials and Industrial Chemistry, School of Science, RMIT University, Melbourne, VIC 3000, Australia
| | - Rajesh Ramanathan
- Ian Potter NanoBioSensing Facility, NanoBiotechnology Research Laboratory, School of Science, RMIT University, Melbourne, VIC 3000, Australia.
| | - Vipul Bansal
- Ian Potter NanoBioSensing Facility, NanoBiotechnology Research Laboratory, School of Science, RMIT University, Melbourne, VIC 3000, Australia.
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13
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Debnath A, Bera A, Chattopadhyay KK, Saha B. Facile additive-free synthesis of hematite nanoparticles for enhanced adsorption of hexavalent chromium from aqueous media: Kinetic, isotherm, and thermodynamic study. INORG NANO-MET CHEM 2017. [DOI: 10.1080/24701556.2017.1357581] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- A. Debnath
- Department of Civil Engineering, National Institute of Technology Agartala, Jirania, West Tripura, India
| | - A. Bera
- Department of Physics, National Institute of Technology Agartala, Jirania, West Tripura, India
| | - K. K. Chattopadhyay
- Thin film and Nanoscience Laboratory, Department of Physics, Jadavpur University, Kolkata, India
| | - B. Saha
- Department of Physics, National Institute of Technology Agartala, Jirania, West Tripura, India
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14
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La DD, Ramanathan R, Kumar D, Ahmed T, Walia S, Anuradha, Berean KJ, Bhosale SV, Bansal V. Galvanic Replacement of Semiconducting CuTCNQF
4
with Ag
+
Ions to Enhance Electron Transfer Reaction. ChemistrySelect 2017. [DOI: 10.1002/slct.201701597] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Duong D. La
- School of Science RMIT University GPO Box 2476 Melbourne VIC 3001 Australia
| | - Rajesh Ramanathan
- Ian Potter NanoBioSensing Facility NanoBiotechnology Research Laboratory School of Science RMIT University GPO Box 2476 Melbourne VIC 3001 Australia
| | - Dipesh Kumar
- Ian Potter NanoBioSensing Facility NanoBiotechnology Research Laboratory School of Science RMIT University GPO Box 2476 Melbourne VIC 3001 Australia
| | - Taimur Ahmed
- Functional Materials and Microsystems Research Group and Micro Nano Research Facility School of Engineering RMIT University GPO Box 2476 Melbourne VIC 3001 Australia
| | - Sumeet Walia
- Functional Materials and Microsystems Research Group and Micro Nano Research Facility School of Engineering RMIT University GPO Box 2476 Melbourne VIC 3001 Australia
| | - Anuradha
- School of Science RMIT University GPO Box 2476 Melbourne VIC 3001 Australia
| | - Kyle J. Berean
- School of Engineering RMIT University GPO Box 2476 Melbourne VIC 3001 Australia
| | | | - Vipul Bansal
- Ian Potter NanoBioSensing Facility NanoBiotechnology Research Laboratory School of Science RMIT University GPO Box 2476 Melbourne VIC 3001 Australia
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15
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Pradhan D, Sukla LB, Sawyer M, Rahman PK. Recent bioreduction of hexavalent chromium in wastewater treatment: A review. J IND ENG CHEM 2017. [DOI: 10.1016/j.jiec.2017.06.040] [Citation(s) in RCA: 190] [Impact Index Per Article: 27.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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16
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La DD, Bhosale SV, Jones LA, Bhosale SV. Arginine-induced porphyrin-based self-assembled nanostructures for photocatalytic applications under simulated sunlight irradiation. Photochem Photobiol Sci 2017; 16:151-154. [PMID: 27976777 DOI: 10.1039/c6pp00335d] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In this communication, we have investigated the arginine-induced fabrication of porphyrin (TCPP)-based supramolecular nanostructures. These self-assembled porphyrin nanostructures such as nanobelts show enhanced photocatalytic activity for the photodegradation of pollutant Rhodamine B under simulated visible-light irradiation.
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Affiliation(s)
- Duong Duc La
- Organic Supramolecular Research Group (OSRL), Centre for Advanced Materials and Industrial Chemistry (CAMIC), School of Science, RMIT University, GPO Box 2476, Melbourne 3001, Victoria, Australia.
| | - Sidhanath V Bhosale
- Polymer and Functional Materials Division, CSIR-Indian Institute of Chemical Technology, Hyderabad 500 007, Telangana, India.
| | - Lathe A Jones
- Centre of Advanced Materials and Industrial Chemistry (CAMIC), School of Science, RMIT University, GPO Box 2476, Melbourne 3001, Victoria, Australia
| | - Sheshanath V Bhosale
- Organic Supramolecular Research Group (OSRL), Centre for Advanced Materials and Industrial Chemistry (CAMIC), School of Science, RMIT University, GPO Box 2476, Melbourne 3001, Victoria, Australia.
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17
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Arginine-Mediated Self-Assembly of Porphyrin on Graphene: A Photocatalyst for Degradation of Dyes. APPLIED SCIENCES-BASEL 2017. [DOI: 10.3390/app7060643] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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18
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La DD, Bhosale SV, Jones LA, Revaprasadu N, Bhosale SV. Fabrication of a Graphene@TiO
2
@Porphyrin Hybrid Material and Its Photocatalytic Properties under Simulated Sunlight Irradiation. ChemistrySelect 2017. [DOI: 10.1002/slct.201700473] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Duong Duc La
- School of Science RMIT University, GPO Box 2476 Melbourne VIC 3001 Australia
| | - Sidhanath V. Bhosale
- Polymers and Functional Material Division CSIR-Indian Institute of Chemical Technology Hyderabad 500 007, Telangana India
| | - Lathe A. Jones
- Centre for Advanced Materials and Industrial Chemistry (CAMIC) School of Science RMIT University, GPO Box 2476 Melbourne 3001 Victoria Australia
| | - Neerish Revaprasadu
- Department of Chemistry University of Zululand, Private Bag X 1001 Kwa-Dlangezwa 3880 South Africa
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19
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Lu J, Nafady A, Abrahams BF, Abdulhamid M, Winther-Jensen B, Bond AM, Martin LL. Structural, Spectroscopic, and Electrochemical Characterization of Semi-Conducting, Solvated [Pt(NH3)4](TCNQ)2·(DMF)2 and Non-Solvated [Pt(NH3)4](TCNQ)2. Aust J Chem 2017. [DOI: 10.1071/ch17245] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
The demand for catalysts that are highly active and stable for electron-transfer reactions has been boosted by the discovery that [Pt(NH3)4](TCNQF4)2 (TCNQF4 = 2,3,5,6-tetrafluoro-7,7,8,8-tetracyanoquinodimethane) is an efficient catalyst. In this work, we prepare and characterize the two related [Pt(NH3)4]2+ complexes, [Pt(NH3)4](TCNQ)2·(DMF)2 (1) and [Pt(NH3)4](TCNQ)2 (2). Reaction of [Pt(NH3)4](NO3)2 with LiTCNQ in a mixed solvent (methanol/dimethylformamide, 4 : 1 v/v) gives [Pt(NH3)4](TCNQ)2·(DMF)2 (1), whereas the same reaction in water affords [Pt(NH3)4](TCNQ)2 (2). 2 has been previously reported. Both 1 and 2 have now been characterized by single-crystal X-ray crystallography, Fourier-transform (FT)IR, Raman and UV-vis spectroscopy, and electrochemistry. Structurally, in 1, the TCNQ1− anions form infinite stacks with a separation between adjacent anions within the stack alternating between 3.12 and 3.42 Å. The solvated structure 1 differs from the non-solvated form 2 in that pairs of TCNQ1− anions are clearly displaced from each other. The conductivities of pressed pellets of 1 and 2 are both in the semi-conducting range at room temperature. 2 can be electrochemically synthesized by reduction of a TCNQ-modified electrode in contact with an aqueous solution of [Pt(NH3)4](NO3)2 via a nucleation growth mechanism. Interestingly, we discovered that 1 and 2 are not catalysts for the ferricyanide and thiosulfate reaction. Li+ and tetraalkylammonium salts of TCNQ1−/2− and TCNQF41−/2− were tested for potential catalytic activity towards ferricyanide and thiosulfate. Only TCNQF41−/2− salts were active, suggesting that the dianion redox level needs to be accessible for efficient catalytic activity and explaining why 1 and 2 are not good catalysts. Importantly, the origin of the catalytic activity of the highly active [Pt(NH3)4](TCNQF4)2 catalyst is now understood, enabling other families of catalysts to be developed for important electron-transfer reactions.
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20
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La DD, Rananaware A, Salimimarand M, Bhosale SV. Well-dispersed assembled porphyrin nanorods on graphene for the enhanced photocatalytic performance. ChemistrySelect 2016. [DOI: 10.1002/slct.201601001] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Duong Duc La
- School of Science; RMIT University; GPO Box 2476 Melbourne, VIC 3001 Australia
| | - Anushri Rananaware
- School of Science; RMIT University; GPO Box 2476 Melbourne, VIC 3001 Australia
| | - Mina Salimimarand
- School of Science; RMIT University; GPO Box 2476 Melbourne, VIC 3001 Australia
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21
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Hoshyargar F, O'Mullane AP. Tetrathiafulvalene–7,7,8,8‐Tetracyanoquinodimethane and Tetrathiafulvalene–2,3,5,6‐Tetrafluoro‐7,7,8,8‐tetracyanoquinodimethane Organic Charge‐Transfer Complexes: Reusable Catalysts for Electron‐Transfer Reactions. ChemCatChem 2016. [DOI: 10.1002/cctc.201600467] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Faegheh Hoshyargar
- School of Chemistry, Physics and Mechanical Engineering Queensland University of Technology (QUT) GPO Box 2434 Brisbane QLD 4001 Australia
| | - Anthony P. O'Mullane
- School of Chemistry, Physics and Mechanical Engineering Queensland University of Technology (QUT) GPO Box 2434 Brisbane QLD 4001 Australia
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