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Geetha Sadasivan Nair R, Narayanan Nair AK, Sun S. Density functional theory study of doped coronene and circumcoronene as anode materials in lithium-ion batteries. Sci Rep 2024; 14:15220. [PMID: 38956188 PMCID: PMC11219892 DOI: 10.1038/s41598-024-66099-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2024] [Accepted: 06/27/2024] [Indexed: 07/04/2024] Open
Abstract
Density functional theory calculations are carried out to investigate the adsorption properties of Li+ and Li on twenty-four adsorbents obtained by replacement of C atoms of coronene (C24H12) and circumcoronene (C54H18) by Si/N/BN/AlN units. The molecular electrostatic potential (MESP) analysis show that such replacements lead to an increase of the electron-rich environments in the molecules. Li+ is relatively strongly adsorbed on all adsorbents. The adsorption energy of Li+ (Eads-1) on all adsorbents is in the range of - 42.47 (B12H12N12) to - 66.26 kcal/mol (m-C22H12BN). Our results indicate a stronger interaction between Li+ and the nanoflakes as the deepest MESP minimum of the nanoflakes becomes more negative. A stronger interaction between Li+ and the nanoflakes pushes more electron density toward Li+. Li is weakly adsorbed on all adsorbents when compared to Li+. The adsorption energy of Li (Eads-2) on all adsorbents is in the range of - 3.07 (B27H18N27) to - 47.79 kcal/mol (C53H18Si). Assuming the nanoflakes to be an anode for the lithium-ion batteries, the cell voltage (Vcell) is predicted to be relatively high (> 1.54 V) for C24H12, C12H12Si12, B12H12N12, C27H18Si27, and B27H18N27. The Eads-1 data show only a small variation compared to Eads-2, and therefore, Eads-2 has a strong effect on the changes in Vcell.
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Affiliation(s)
- Remya Geetha Sadasivan Nair
- Physical Science and Engineering Division (PSE), Computational Transport Phenomena Laboratory, King Abdullah University of Science and Technology (KAUST), 23955-6900, Thuwal, Saudi Arabia.
| | - Arun Kumar Narayanan Nair
- Physical Science and Engineering Division (PSE), Computational Transport Phenomena Laboratory, King Abdullah University of Science and Technology (KAUST), 23955-6900, Thuwal, Saudi Arabia.
| | - Shuyu Sun
- Physical Science and Engineering Division (PSE), Computational Transport Phenomena Laboratory, King Abdullah University of Science and Technology (KAUST), 23955-6900, Thuwal, Saudi Arabia.
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Ren C, Ma Y, Wang Y, Luo D, Hong Y, Zhang X, Mei H, Liu W. Palmitoylethanolamide-Incorporated Elastic Nano-Liposomes for Enhanced Transdermal Delivery and Anti-Inflammation. Pharmaceutics 2024; 16:876. [PMID: 39065574 PMCID: PMC11280357 DOI: 10.3390/pharmaceutics16070876] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2024] [Revised: 06/24/2024] [Accepted: 06/26/2024] [Indexed: 07/28/2024] Open
Abstract
Palmitoylethanolamide (PEA) exhibits multiple skincare functions such as anti-nociceptive and anti-inflammatory effects. However, its topical application is limited due to its difficulty in bypassing the stratum corneum barrier, relatively low bioavailability, and low stability. Herein, elastic nano-liposomes (ENLs) with excellent deformability and elasticity were utilized as a novel drug delivery system to encapsulate PEA to overcome the abovementioned issues and enhance the biological effects on the skin. ENL was prepared with phosphatidylcholine, cholesterol, and cetyl-PG hydroxyethyl palmitamide with a molar ratio mimicking skin epidermal lipids, and PEA was loaded. The PEA-loaded ENL (PEA-ENL) demonstrated efficient transdermal delivery and enhanced skin retention, with negligible cytotoxicity toward HaCaT cells and no allergic reaction in the human skin patch test. Notably, PEA-ENL treatment increased cell migration and induced significant regulation in the expression of genes associated with anti-nociceptive, anti-inflammatory, and skin barrier repair. The mechanism of the anti-nociceptive and anti-inflammatory effects of PEA was further investigated and explained by molecular docking site analysis. This novel PEA-ENL, with efficient transdermal delivery efficiency and multiple skincare functionalities, is promising for topical application.
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Affiliation(s)
- Chuanpeng Ren
- The Institute of Biocelline Precision Dermatology, Shanghai 200031, China; (Y.W.); (H.M.)
| | - Yanyun Ma
- Human Phenome Institute, Fudan University, Shanghai 201210, China;
- Institute for Six-Sector Economy, Fudan University, Shanghai 201203, China
| | - Yizhen Wang
- The Institute of Biocelline Precision Dermatology, Shanghai 200031, China; (Y.W.); (H.M.)
| | - Dan Luo
- Wuhan Bestcarrier Biotechnology Co., Ltd., Wuhan 430075, China; (D.L.); (Y.H.)
| | - Yanhan Hong
- Wuhan Bestcarrier Biotechnology Co., Ltd., Wuhan 430075, China; (D.L.); (Y.H.)
| | - Xinyuan Zhang
- Shanghai Skinshield Clinical Testing and Technological Research Ltd., Shanghai 201210, China;
| | - Hexiang Mei
- The Institute of Biocelline Precision Dermatology, Shanghai 200031, China; (Y.W.); (H.M.)
| | - Wei Liu
- National Engineering Research Center for Nanomedicine, Huazhong University of Science and Technology, Wuhan 430074, China
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Duraisamy PD, S PMP, Gopalan P, Angamuthu A. Enhanced hydrogen storage of alkaline earth metal-decorated B n (n = 3-14) nanoclusters: a DFT study. J Mol Model 2024; 30:55. [PMID: 38291281 DOI: 10.1007/s00894-024-05847-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Accepted: 01/16/2024] [Indexed: 02/01/2024]
Abstract
CONTEXT Boron-based nanostructures hold significant promise for revolutionizing hydrogen storage technologies due to their exceptional properties and potential in efficiently accommodating and interacting with hydrogen molecules. In this paper, boron-based Bn (n = 3-14) nanoclusters decorated with alkaline earth metals (AEM = Ca and Be) were investigated for hydrogen storage applications based on density function theory (DFT) calculations. To evaluate H2 adsorption capability, the adsorption energies, frontier molecular orbitals (FMOs), natural bond orbital (NBO), and quantum theory of atoms in molecule (QTAIM) analysis are performed. The primary aim of this research work is to achieve targeted value of 5.5 wt% set by the US Department of Energy (DOE) for the year 2025. The results revealed that B5Ca2, B6Ca2, and B10Ca2 structures have the ability to hold up to 12H2 molecules with gravimetric capacities of 15.20, 14.21, and 8.60 wt%, respectively, when compared to other boron structures decorated with calcium. Similarly, for Be-decorated structure, B3Be2 structure can accommodate 3H2 molecules with gravimetric capacity of 10.59 wt%. The result of this study indicates that AEM-decorated Bn nanoclusters hold great promise as potential materials for hydrogen storage. METHODS Density functional theory (DFT) approach at ωB97XD/6-311++G(d,p) level of theory is employed to investigate the possibility of storing H2 molecules on alkaline earth metal (AEM = Ca and Be)-decorated Bn (n = 3-14) nanoclusters. All DFT computations were performed using Gaussian 09 software. To calculate frontier molecular orbitals (FMOs) and quantum theory of atoms in molecule (QTAIM) analysis, we have used GaussView and Multiwfn software, respectively.
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Affiliation(s)
- Parimala Devi Duraisamy
- Department of Physical Sciences, Karunya Institute of Technology and Sciences, Coimbatore, Tamil Nadu, 641114, India
| | - Prince Makarios Paul S
- Department of Physical Sciences, Karunya Institute of Technology and Sciences, Coimbatore, Tamil Nadu, 641114, India
| | - Praveena Gopalan
- Department of Physics, PSGR Krishnammal College for Women, Coimbatore, Tamil Nadu, 641004, India
| | - Abiram Angamuthu
- Department of Physical Sciences, Karunya Institute of Technology and Sciences, Coimbatore, Tamil Nadu, 641114, India.
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Zhao L, Zhuang H, Zhang Y, Ma L, Xi Y, Lin X. Support Effect of Boron Nitride on the First N-H Bond Activation of NH 3 on Ru Clusters. Molecules 2024; 29:328. [PMID: 38257242 PMCID: PMC10818564 DOI: 10.3390/molecules29020328] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2023] [Revised: 01/05/2024] [Accepted: 01/06/2024] [Indexed: 01/24/2024] Open
Abstract
Support effect is an important issue in heterogeneous catalysis, while the explicit role of a catalytic support is often unclear for catalytic reactions. A systematic density functional theory computational study is reported in this paper to elucidate the effect of a model boron nitride (BN) support on the first N-H bond activation step of NH3 on Run (n = 1, 2, 3) metal clusters. Geometry optimizations and energy calculations were carried out using density functional theory (DFT) calculation for intermediates and transition states from the starting materials undergoing the N-H activation process. The primary findings are summarized as follows. The involvement of the model BN support does not significantly alter the equilibrium structure of intermediates and transition states in the most favorable pathway (MFP). Moreover, the involvement of BN support decreases the free energy of activation, ΔG≠, thus improving the reaction rate constant. This improvement is more obvious at high temperatures like 673 K than low temperatures like 298 K. The BN support effect leading to the ΔG≠ decrease is most significant for the single Ru atom case among all three cases studied. Finally, the involvement of the model BN may change the spin transition behavior of the reaction system during the N-H bond activation process. All these findings provide a deeper insight into the support effect on the N-H bond activation of NH3 for the supported Ru catalyst in particular and for supported transition metal catalysts in general.
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Affiliation(s)
- Li Zhao
- College of Chemistry and Chemical Engineering, China University of Petroleum (East China), Qingdao 266580, China; (L.Z.); (Y.Z.); (L.M.); (Y.X.)
| | - Huimin Zhuang
- Shandong Yellow Sea Institute of Science and Technology Innovation, Rizhao 276808, China;
| | - Yixuan Zhang
- College of Chemistry and Chemical Engineering, China University of Petroleum (East China), Qingdao 266580, China; (L.Z.); (Y.Z.); (L.M.); (Y.X.)
| | - Lishuang Ma
- College of Chemistry and Chemical Engineering, China University of Petroleum (East China), Qingdao 266580, China; (L.Z.); (Y.Z.); (L.M.); (Y.X.)
| | - Yanyan Xi
- College of Chemistry and Chemical Engineering, China University of Petroleum (East China), Qingdao 266580, China; (L.Z.); (Y.Z.); (L.M.); (Y.X.)
- Advanced Chemical Engineering and Energy Materials Research Center, China University of Petroleum (East China), Qingdao 266580, China
| | - Xufeng Lin
- College of Chemistry and Chemical Engineering, China University of Petroleum (East China), Qingdao 266580, China; (L.Z.); (Y.Z.); (L.M.); (Y.X.)
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum (East China), Qingdao 266580, China
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Khalid M, Murtaza S, Gull K, Abid S, Imran M, Braga AAC. Influence of acceptors on the optical nonlinearity of 5 H-4-oxa-1,6,9-trithia-cyclopenta[ b]-as-indacene-based chromophores with a push-pull assembly: a DFT approach. RSC Adv 2024; 14:1169-1185. [PMID: 38174281 PMCID: PMC10762516 DOI: 10.1039/d3ra06673h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2023] [Accepted: 12/08/2023] [Indexed: 01/05/2024] Open
Abstract
Herein, a series of compounds (TPD1-TPD6) having a D-π-A architecture was quantum chemically designed via the structural modulation of TPR. Quantum chemical calculations were employed to gain a comprehensive insight into the structural and optoelectronic properties of the designed molecules at the M06/6-311G(d,p) level. Interestingly, all the designed chromophores displayed narrow energy gaps (2.123-1.788 eV) and wider absorption spectra (λmax = 833.619-719.709 nm) with a bathochromic shift in comparison to the reference compound (λmax = 749.602 nm and Egap = 3.177 eV). Further, Egap values were utilized to evaluate global reactivity parameters (GRPs), which indicate that all the chromophores expressed higher softness (σ = 0.134-0.559 eV-1) and lower hardness (η = 4.155-4.543 eV) values than the reference chromophore. Efficient charge transfer from donors towards acceptors was noted through FMOs, which was also supported by DOS and TDM analyses. Overall, the TPD3 derivative exhibited a remarkable reduction in the HOMO-LUMO band gap (1.788 eV) with a red shift as λmax = 833.619 nm. Furthermore, it exhibited prominent linear and non-linear characteristics such as μtotal = 24.1731 D, 〈α〉 = 2.89 × 10-22 esu, and βtotal = 7.24 × 10-27 esu, among all derivatives. The above findings revealed that significant non-linear optical materials could be achieved through structural tailoring with studied efficient acceptors.
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Affiliation(s)
- Muhammad Khalid
- Institute of Chemistry, Khwaja Fareed University of Engineering & Information Technology Rahim Yar Khan 64200 Pakistan
- Centre for Theoretical and Computational Research, Khwaja Fareed University of Engineering & Information Technology Rahim Yar Khan 64200 Pakistan
| | - Shahzad Murtaza
- Institute of Chemistry, Khwaja Fareed University of Engineering & Information Technology Rahim Yar Khan 64200 Pakistan
- Centre for Theoretical and Computational Research, Khwaja Fareed University of Engineering & Information Technology Rahim Yar Khan 64200 Pakistan
| | - Khansa Gull
- Institute of Chemistry, Khwaja Fareed University of Engineering & Information Technology Rahim Yar Khan 64200 Pakistan
- Centre for Theoretical and Computational Research, Khwaja Fareed University of Engineering & Information Technology Rahim Yar Khan 64200 Pakistan
| | - Saba Abid
- Institute of Chemistry, Khwaja Fareed University of Engineering & Information Technology Rahim Yar Khan 64200 Pakistan
- Centre for Theoretical and Computational Research, Khwaja Fareed University of Engineering & Information Technology Rahim Yar Khan 64200 Pakistan
| | - Muhammad Imran
- Department of Chemistry, Faculty of Science, King Khalid University P. O. Box 9004 Abha 61413 Saudi Arabia
| | - Ataualpa A C Braga
- Departamento de Química Fundamental, Instituto de Química, Universidade de São Paulo Av. Prof. Lineu Prestes, 748 São Paulo 05508-000 Brazil
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Zhang WP, Li JR, Li YY, Zhao J, Wu K, Xiao H, He C. Acetone Efficient Degradation under Simulated Humid Conditions by Mn-O-Pt Interaction Taming-Triggered Water Dissociation Intensification. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2023; 57:20962-20973. [PMID: 38008907 DOI: 10.1021/acs.est.3c07194] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2023]
Abstract
As a generally existing component in industrial streams, H2O usually inhibits the catalytic degradation efficiency of volatile organic compounds (VOCs) greatly. Here, we propose a novel strategy that accelerates the H2O dissociation and facilitates positive feedbacks during VOC oxidation by fabricating citric acid (CA)-assisted Pt(K)-Mn2O3/SiO2 (Pt-Mn/KS-xCA). Results reveal that the complexation of carboxyl groups of citric acid with Mn cations leads to the formation of small Mn2O3 (4.1 ± 0.2 nm) and further enhances the Mn-O-Pt interaction (strengthened by the Si-O-Mn interaction), which can transfer more electrons from Pt-Mn/KS-6CA to H2O, thus facilitating its breaking of covalent bonds. It subsequently produces abundant surface hydroxyl groups, improving the adsorption and activation abilities of acetone reactant and ethanol intermediate. Attributing to these, the acetone turnover frequency value of Pt-Mn/KS-6CA is 1.8 times higher than that of Pt-Mn/KS at 160 °C, and this multiple changes to 6.3 times in the presence of H2O. Remarkably, acetone conversion over Pt-Mn/KS-6CA increases by up to 14% in the presence of H2O; but it decreases by up to 26% for Pt-Mn/KS due to its weak dissociation ability and high adsorption capacity toward H2O. This work sheds new insights into the design of highly efficient catalytic materials for VOC degradation under humid conditions.
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Affiliation(s)
- Wan-Peng Zhang
- Center for Excellence in Regional Atmospheric Environment, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, P. R. China
- Ningbo (Beilun) Zhongke Haixi Industrial Technology Innovation Center, Ningbo 315021, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Jian-Rong Li
- Center for Excellence in Regional Atmospheric Environment, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, P. R. China
- Ningbo (Beilun) Zhongke Haixi Industrial Technology Innovation Center, Ningbo 315021, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Ying-Ying Li
- Center for Excellence in Regional Atmospheric Environment, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, P. R. China
- Ningbo (Beilun) Zhongke Haixi Industrial Technology Innovation Center, Ningbo 315021, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Junyi Zhao
- Center for Excellence in Regional Atmospheric Environment, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, P. R. China
- Ningbo (Beilun) Zhongke Haixi Industrial Technology Innovation Center, Ningbo 315021, P. R. China
| | - Kun Wu
- Center for Excellence in Regional Atmospheric Environment, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, P. R. China
- Ningbo (Beilun) Zhongke Haixi Industrial Technology Innovation Center, Ningbo 315021, P. R. China
| | - Hang Xiao
- Center for Excellence in Regional Atmospheric Environment, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, P. R. China
- Ningbo (Beilun) Zhongke Haixi Industrial Technology Innovation Center, Ningbo 315021, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Chi He
- State Key Laboratory of Multiphase Flow in Power Engineering, School of Energy and Power Engineering, Xi'an Jiaotong University, Xi'an 710049, Shaanxi, P. R. China
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Keypour H, Kouhdareh J, Karimi-Nami R, Karakaya I, Abdollahi-Moghadam M, Rabiei K, Alavinia S. Facile synthesis of a new covalent organic nanosheet (CON-KEY1) based on polyamide links as an effective heterogeneous catalyst in C-C cross coupling reactions. RSC Adv 2023; 13:28686-28702. [PMID: 37790095 PMCID: PMC10542850 DOI: 10.1039/d3ra05664c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2023] [Accepted: 09/23/2023] [Indexed: 10/05/2023] Open
Abstract
C-C coupling reactions represent a fundamental synthetic methodology widely employed in academic and industrial settings. Herein, we present a report on developing and synthesizing a heterogeneous catalyst that is environmentally compatible and has recycling capabilities. Furthermore, the utilization of this catalyst for C-C coupling reactions was explored. A novel amide-based CON was prepared via the reaction of a novel [2,2'-bipyridine]-5,5'-diamine (BDA) and 1,3,5-tris(4-carboxyphenyl) (TCB). TCB was activated with carbonyl diimidazole (CDI) and then reacted with BDA to synthesize favorable CON (i.e., CON-KEY1). Finally, the CON synthesized was reacted with palladium chloride ions, and the palladium-containing organocatalytic complex was decorated with the abbreviated Pd/CON-KEY1. This new heterogeneous complex was fully characterized through the required techniques, including FT-IR, EDX, XRD, TEM, SEM, ICP, TGA-DTA, N2 isotherms, and elemental mapping analysis. Computer simulation results include a multi-sheet 2D framework proposed by CON-KEY1. As a result, palladium ions were found to be arranged between the layers and on the CON surface. This heterogeneous complex functioned as a catalyst precursor in both the Suzuki-Miyaura coupling reaction of aryl boronic acids with aryl halides and the Heck reaction of aryl halides with acrylate derivatives or styrene. The desired coupling products with various functional groups were successfully attained with excellent yields of up to 98%. Simple set-up, improved yields, short reaction times, non-toxic solvents, catalyst durability, and high turnover frequency are among the distinct advantages of this synthetic method. Some other outstanding features of this catalytic system include convenient separation of catalysts and products, high yields, almost complete conversion, high selectivity, and good turnover frequency (TOF). The results show that the highest product efficiency in the reaction was achieved in the shortest possible time using Pd/CON-KEY1. Theoretical studies demonstrated the precedence of the palladium complexation with nitrogen atoms of CON-KEY1 rather than oxygen ones. Natural Bond Orbital (NBO) analysis affirmed that the system with Pd-N bonds (Eg = 0.089 eV) is more reactive with high electron conductivity compared to the Pd-O system (Eg = 0.120 eV).
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Affiliation(s)
- Hassan Keypour
- Faculty of Chemistry, Bu-Ali Sina University Hamedan 65174 Iran
| | - Jamal Kouhdareh
- Faculty of Chemistry, Bu-Ali Sina University Hamedan 65174 Iran
| | - Rahman Karimi-Nami
- Department of Chemistry, Faculty of Science, University of Maragheh Maragheh Iran
| | - Idris Karakaya
- Department of Chemistry, College of Basic Sciences, Gebze Technical University 41400 Gebze Turkey
| | | | - Khadijeh Rabiei
- Department of Chemistry, Faculty of Science, Qom University of Technology Qom Iran
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Okon GA, Louis H, Eno EA, Chukwuemeka K, Agwamba EC, Adeyinka AS. First-principle study of Cu-, Ag-, and Au-decorated Si-doped carbon quantum dots (Si@CQD) for CO 2 gas sensing efficacies. J Mol Model 2023; 29:229. [PMID: 37407799 DOI: 10.1007/s00894-023-05627-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Accepted: 06/21/2023] [Indexed: 07/07/2023]
Abstract
CONTEXT Nanosensor materials for the trapping and sensing of CO2 gas in the ecosystem were investigated herein to elucidate the adsorption, sensibility, selectivity, conductivity, and reactivity of silicon-doped carbon quantum dot (Si@CQD) decorated with Ag, Au, and Cu metals. The gas was studied in two configurations on its O and C sites. When the metal-decorated Si@CQD interacted with the CO2 gas on the C adsorption site of the gas, there was a decrease in all the interactions with the lowest energy gap of 1.084 eV observed in CO2_C_Cu_Si@CQD followed by CO2_C_Au_Si@CQD which recorded a slightly higher energy gap of 1.094 eV, while CO2_C_Ag_Si@CQD had an energy gap of 2.109 eV. On the O adsorption sites, a decrease was observed in CO2_O_Au_Si@CQD which had the least energy gap of 1.140 eV, whereas there was a significant increase after adsorption in CO2_O_Ag_Si@CQD and CO2_O_Cu_Si@CQD with calculated ∆E values of 2.942 eV and 3.015 eV respectively. The adsorption energy alongside the basis set supposition error (BSSE) estimation reveals that CO2_C_Au_Si@CQD, CO2_C_Ag_Si@CQD, and CO2_C_Cu_Si@CQD were weakly adsorbed, while chemisorption was present in the CO2_O_Ag_Si@CQD, CO2_O_Cu_Si@CQD, and CO2_O_Au_Si@CQD interactions. Indeed, the adsorption of CO2 on the different metal-decorated quantum dots affects the Fermi level (Ef) and the work function (Φ) of each of the decorated carbon quantum dots owed to their low Ef values and high ∆Φ% which shows that they can be a prospective work function-based sensor material. METHODS Electronic structure theory method based on first-principle density functional theory (DFT) computation at the B3LYP-GD3(BJ)/Def2-SVP level of theory was utilized through the use of the Gaussian 16 and GaussView 6.0.16 software packages. Post-processing computational code such as multi-wavefunction was employed for result analysis and visualization.
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Affiliation(s)
- Gideon A Okon
- Department of Chemical Sciences, Clifford University, Owerrinta, Nigeria
- Computational and Bio-Simulation Research Group, University of Calabar, Calabar, Nigeria
| | - Hitler Louis
- Computational and Bio-Simulation Research Group, University of Calabar, Calabar, Nigeria.
- Department of Pure and Applied Chemistry, University of Calabar, Calabar, Nigeria.
- Faculty of Allied Health Sciences, Chettinad Hospital and Research Institute, Chettinad Academy of Research and Education, Kelambakkam, Tamil Nadu, 603103, India.
| | - Ededet A Eno
- Computational and Bio-Simulation Research Group, University of Calabar, Calabar, Nigeria
- Department of Pure and Applied Chemistry, University of Calabar, Calabar, Nigeria
| | - Kelechi Chukwuemeka
- Department of Chemical Sciences, Clifford University, Owerrinta, Nigeria
- Computational and Bio-Simulation Research Group, University of Calabar, Calabar, Nigeria
| | - Ernest C Agwamba
- Computational and Bio-Simulation Research Group, University of Calabar, Calabar, Nigeria
- Department of Chemistry, Covenant University, Ota, Nigeria
| | - Adedapo S Adeyinka
- Department of Chemical Sciences, University of Johannesburg, Johannesburg, South Africa
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Agwamba EC, Louis H, Olagoke PO, Gber TE, Okon GA, Fidelis CF, Adeyinka AS. Modeling of magnesium-decorated graphene quantum dot nanostructure for trapping AsH 3, PH 3 and NH 3 gases. RSC Adv 2023; 13:13624-13641. [PMID: 37152564 PMCID: PMC10155676 DOI: 10.1039/d3ra01279d] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Accepted: 04/18/2023] [Indexed: 05/09/2023] Open
Abstract
A magnesium-decorated graphene quantum dot (C24H12-Mg) surface has been examined theoretically using density functional theory (DFT) computations at the ωB97XD/6-311++G(2p,2d) level of theory to determine its sensing capability toward XH3 gases, where X = As, N and P, in four different phases: gas, benzene solvent, ethanol solvent and water. This research was carried out in different phases in order to predict the best possible phase for the adsorption of the toxic gases. Analysis of the electronic properties shows that in the different phases the energy gap follows the order NH3@C24H12-Mg < PH3@C24H12-Mg < AsH3@C24H12-Mg. The results obtained from the adsorption studies show that all the calculated adsorption energies are negative, indicating that the nature of the adsorption is chemisorption. The adsorption energies can be arranged in an increasing trend of NH3@C24H12-Mg < PH3@C24H12-Mg < AsH3@C24H12-Mg. The best adsorption performance was noted in the gas phase compared to the other studied counterparts. The interaction between the adsorbed gases and the surfaces shows a non-covalent interaction nature, as confirmed by the quantum theory of atoms-in-molecules (QTAIM) and non-covalent interactions (NCI) analysis. The overall results suggest that we can infer that the surface of the magnesium-decorated graphene quantum dot C24H12-Mg is more efficient for sensing the gas AsH3 than PH3 and NH3.
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Affiliation(s)
- Ernest C Agwamba
- Computational and Bio-Simulation Research Group, University of Calabar Calabar Nigeria
- Department of Chemistry, Covenant University Otta Nigeria
- Department of Chemical Sciences, University of Johannesburg Johannesburg South Africa
| | - Hitler Louis
- Computational and Bio-Simulation Research Group, University of Calabar Calabar Nigeria
- Department of Pure and Applied Chemistry, Faculty of Physical Sciences, University of Calabar Calabar Nigeria
| | - Praise O Olagoke
- Computational and Bio-Simulation Research Group, University of Calabar Calabar Nigeria
| | - Terkumbur E Gber
- Computational and Bio-Simulation Research Group, University of Calabar Calabar Nigeria
- Department of Pure and Applied Chemistry, Faculty of Physical Sciences, University of Calabar Calabar Nigeria
| | - Gideon A Okon
- Computational and Bio-Simulation Research Group, University of Calabar Calabar Nigeria
| | - Chidera F Fidelis
- Computational and Bio-Simulation Research Group, University of Calabar Calabar Nigeria
- Department of Pure and Applied Chemistry, Faculty of Physical Sciences, University of Calabar Calabar Nigeria
| | - Adedapo S Adeyinka
- Department of Chemical Sciences, University of Johannesburg Johannesburg South Africa
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Pan X, Wei J, Wang M, Zhang J, Xu Z, Wei H, Lai N, Nian K, Zhang R, Zhang X. Comparative studies of transformation behaviors and mechanisms of halophenols in multiple chemical oxidative systems. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 870:161756. [PMID: 36690111 DOI: 10.1016/j.scitotenv.2023.161756] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/06/2022] [Revised: 01/17/2023] [Accepted: 01/17/2023] [Indexed: 06/17/2023]
Abstract
Due to wide applications, halophenols (HPs), especially bromophenols, chlorophenols, and fluorophenols, are commonly detected but resistant to biological removal in wastewater treatment plants (WWTPs). This study investigated the overall transformation behaviors of three representative HPs (2,4-dichlorophenol: 24-DCP, 2,4-dibromophenol: 24-DBP, 2,4-difluorophenol: 24-DFP) in six chemical oxidative systems (KMnO4, K2FeO4, NaClO, O3, UV, and persulfate (PS)). The results revealed fast removal of selected HPs by O3, PS and K2FeO4, while a large discrepancy in their removal efficiencies occurred under UV irradiation, KMnO4 oxidation and particularly chlorination. Based on the analysis of the identified intermediates and products, coupling among the five routes was the general route, and dimers were the main intermediates for HP oxidation. The effect of the halogen atom on the transformation pathways of HPs was highly reaction type dependent. Among the six chemical treatments, PS could induce HPs to yield relatively low-molecular-weight polymers and obtain the highest coupling degree. Transition state (TS) calculations showed that the H atom linked to the phenoxy group of HPs was the most easily abstracted by hydroxyl radicals to form the coupling precursor, i.e., phenoxy radicals. This high coupling behavior further resulted in the increased toxicity to green algae. Characterization revealed that HP reaction solutions treated with PS had a severely negative effect on algae growth, photosynthetic pigment synthesis, and the antioxidant enzyme system. These findings can shed light on the reaction mechanisms of advanced oxidation technologies and some risk management and control of PS technique may be considered when treating phenolic pollutants.
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Affiliation(s)
- Xiaoxue Pan
- Laboratory of Wetland Protection and Ecological Restoration, School of Resources and Environmental Engineering, Anhui University, Anhui, Hefei 230601, China; Anhui Province Engineering Laboratory for Mine Ecological Remediation, School of Resources and Environmental Engineering, Anhui University, Anhui, Hefei 230601, China.
| | - Junyan Wei
- State Key Laboratory of Pollution Control and Resources Reuse, School of the Environment, Nanjing University, Jiangsu, Nanjing 210023, China
| | - Min Wang
- Laboratory of Wetland Protection and Ecological Restoration, School of Resources and Environmental Engineering, Anhui University, Anhui, Hefei 230601, China; Anhui Province Engineering Laboratory for Mine Ecological Remediation, School of Resources and Environmental Engineering, Anhui University, Anhui, Hefei 230601, China
| | - Jie Zhang
- Laboratory of Wetland Protection and Ecological Restoration, School of Resources and Environmental Engineering, Anhui University, Anhui, Hefei 230601, China
| | - Zhiming Xu
- Laboratory of Wetland Protection and Ecological Restoration, School of Resources and Environmental Engineering, Anhui University, Anhui, Hefei 230601, China
| | - Haojie Wei
- Laboratory of Wetland Protection and Ecological Restoration, School of Resources and Environmental Engineering, Anhui University, Anhui, Hefei 230601, China
| | - Nami Lai
- Laboratory of Wetland Protection and Ecological Restoration, School of Resources and Environmental Engineering, Anhui University, Anhui, Hefei 230601, China
| | - Kainan Nian
- Laboratory of Wetland Protection and Ecological Restoration, School of Resources and Environmental Engineering, Anhui University, Anhui, Hefei 230601, China; Anhui Province Engineering Laboratory for Mine Ecological Remediation, School of Resources and Environmental Engineering, Anhui University, Anhui, Hefei 230601, China
| | - Rui Zhang
- School of Water Conservancy and Environment, University of Jinan, Jinan 250022, China
| | - Xuesheng Zhang
- Laboratory of Wetland Protection and Ecological Restoration, School of Resources and Environmental Engineering, Anhui University, Anhui, Hefei 230601, China; Anhui Province Engineering Laboratory for Mine Ecological Remediation, School of Resources and Environmental Engineering, Anhui University, Anhui, Hefei 230601, China.
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11
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Jaleel H, Mansha A, Usman M, Shah Y, Asim S, Yusaf A, Rehman U. DFT analysis on the reaction mechanism of Diels-Alder reaction between 2,4-hexane-1-ol and maleic anhydride. COMPUT THEOR CHEM 2023. [DOI: 10.1016/j.comptc.2023.114084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/27/2023]
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12
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Zheng H, Jin H, Xu Y, Yan L, Wang X. Influence of π-linker on pyrone-based hole transporting materials in perovskite solar cells. MOLECULAR SIMULATION 2023. [DOI: 10.1080/08927022.2023.2189973] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/07/2023]
Affiliation(s)
- Huiwen Zheng
- School of Physics and Optoelectronic Engineering, Xiangtan University, Xiangtan, People’s Republic of China
| | - Hongzhang Jin
- School of Physics and Optoelectronic Engineering, Xiangtan University, Xiangtan, People’s Republic of China
| | - Yan Xu
- School of Physics and Optoelectronic Engineering, Xiangtan University, Xiangtan, People’s Republic of China
| | - Lei Yan
- School of Physics and Optoelectronic Engineering, Xiangtan University, Xiangtan, People’s Republic of China
| | - Xingzhu Wang
- School of Physics and Optoelectronic Engineering, Xiangtan University, Xiangtan, People’s Republic of China
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13
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Al-Faiyz YSS, Sarfaraz S, Yar M, Munsif S, Khan AA, Amin B, Sheikh NS, Ayub K. Efficient Detection of Nerve Agents through Carbon Nitride Quantum Dots: A DFT Approach. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:251. [PMID: 36678006 PMCID: PMC9864457 DOI: 10.3390/nano13020251] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 12/29/2022] [Accepted: 01/01/2023] [Indexed: 06/17/2023]
Abstract
V-series nerve agents are very lethal to health and cause the inactivation of acetylcholinesterase which leads to neuromuscular paralysis and, finally, death. Therefore, rapid detection and elimination of V-series nerve agents are very important. Herein, we have carried out a theoretical investigation of carbon nitride quantum dots (C2N) as an electrochemical sensor for the detection of V-series nerve agents, including VX, VS, VE, VG, and VM. Adsorption of V-series nerve agents on C2N quantum dots is explored at M05-2X/6-31++G(d,p) level of theory. The level of theory chosen is quite adequate in systems describing non-bonding interactions. The adsorption behavior of nerve agents is characterized by interaction energy, non-covalent interaction (NCI), Bader's quantum theory of atoms in molecules (QTAIM), frontier molecular orbital (FMO), electron density difference (EDD), and charge transfer analysis. The computed adsorption energies of the studied complexes are in the range of -12.93 to -17.81 kcal/mol, which indicates the nerve agents are physiosorbed onto C2N surface through non-covalent interactions. The non-covalent interactions between V-series and C2N are confirmed through NCI and QTAIM analysis. EDD analysis is carried out to understand electron density shifting, which is further validated by natural bond orbital (NBO) analysis. FMO analysis is used to estimate the changes in energy gap of C2N on complexation through HOMO-LUMO energies. These findings suggest that C2N surface is highly selective toward VX, and it might be a promising candidate for the detection of V-series nerve agents.
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Affiliation(s)
- Yasair S. S. Al-Faiyz
- Department of Chemistry, College of Science, King Faisal University, Al-Ahsa 31982, Saudi Arabia
| | - Sehrish Sarfaraz
- Department of Chemistry, COMSATS University Islamabad, Abbottabad Campus, Abbottabad 22060, Pakistan
| | - Muhammad Yar
- Department of Chemistry, COMSATS University Islamabad, Abbottabad Campus, Abbottabad 22060, Pakistan
| | - Sajida Munsif
- Department of Chemistry, COMSATS University Islamabad, Abbottabad Campus, Abbottabad 22060, Pakistan
| | - Adnan Ali Khan
- Centre for Computational Materials Science, University of Malakand, Chakdara 18800, Pakistan
- Department of Chemistry, University of Malakand, Chakdara 18800, Pakistan
| | - Bin Amin
- Department of Physics, Abbottabad University of Science & Technology, Abbottabad 22010, Pakistan
| | - Nadeem S. Sheikh
- Chemical Sciences, Faculty of Science, Universiti Brunei Darussalam, Jalan Tungku Link, Gadong BE1410, Brunei
| | - Khurshid Ayub
- Department of Chemistry, COMSATS University Islamabad, Abbottabad Campus, Abbottabad 22060, Pakistan
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Ye YL, Pan KY, Wang WL, Ni BL, Sun WM. On the Catalytic Performance of (ZrO) n (n=1-4) Clusters for CO Oxidation: A DFT Study. Chemphyschem 2023; 24:e202200776. [PMID: 36593177 DOI: 10.1002/cphc.202200776] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Revised: 12/26/2022] [Accepted: 01/02/2023] [Indexed: 01/04/2023]
Abstract
The unique characteristic of superatoms to show chemical properties like those of individual atoms opens a new avenue towards replacing noble metals as catalysts. Given the similar electronic structures of the ZrO superatom and the Pd atom, the CO oxidation mechanisms catalysed by (ZrO)n (n=1-4) clusters were investigated in detail to evaluate their catalytic performance. Our results reveal that a single ZrO superatom exhibits superior catalytic ability in CO oxidation than both larger (ZrO)n (n=2-4) clusters and a Pd atom, indicating the promising potential of ZrO as a "single-superatom catalyst". Moreover, the mechanism of CO oxidation catalysed by ZrO+/- suggests that depositing a ZrO superatom onto the electron-rich substrates is a better choice for practical catalysis application. Accordingly, a graphene nanosheet (coronene) was chosen as a representative substrate for ZrO and Pd to assess their catalytic performances in CO oxidation. Acting as an "electron sponge", this carbon substrate can both donate and accept charges in different reaction steps, enabling the supported ZrO to achieve enhanced catalytic performance in this process with a low energy barrier of 19.63 kcal/mol. This paper presents a new realization on the catalytic performance of Pd-like superatom in CO oxidation, which could increase the interests in exploring noble metal-like superatoms as efficient catalysts for various reactions.
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Affiliation(s)
- Ya-Ling Ye
- Department of Basic Chemistry, The School of Pharmacy, Fujian Medical University, Fuzhou, 350108, People's Republic of China
| | - Kai-Yun Pan
- Department of Basic Chemistry, The School of Pharmacy, Fujian Medical University, Fuzhou, 350108, People's Republic of China
| | - Wen-Lu Wang
- Department of Basic Chemistry, The School of Pharmacy, Fujian Medical University, Fuzhou, 350108, People's Republic of China
| | - Bi-Lian Ni
- Department of Basic Chemistry, The School of Pharmacy, Fujian Medical University, Fuzhou, 350108, People's Republic of China
| | - Wei-Ming Sun
- Department of Basic Chemistry, The School of Pharmacy, Fujian Medical University, Fuzhou, 350108, People's Republic of China.,School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, Anhui, 230026, People's Republic of China
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15
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Terminalia catappa as Effective Corrosion Resistance in Acidic Medium for Medical Stainless Steel via Experimental and Computational Approaches. CHEMISTRY AFRICA 2022. [DOI: 10.1007/s42250-022-00578-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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16
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Apebende CG, Louis H, Owen AE, Benjamin I, Amodu IO, Gber TE, Asogwa FC. Adsorption properties of metal functionalized fullerene (C 59Au, C 59Hf, C 59Ag, and C 59Ir) nanoclusters for application as a biosensor for hydroxyurea (HXU): insight from theoretical computation. Z PHYS CHEM 2022. [DOI: 10.1515/zpch-2022-0126] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Abstract
This theoretical study was conducted to evaluate the efficiency of fullerene C60 and its metal functionalized nano clusters (C59Au, C59Hf, C59Ag and C59Ir) as a sensor for hydroxyurea (HXU). The various conclusions concerning the adsorption and sensing properties of the studied nano surfaces were achieved using density functional theory (DFT) at the M062X-D3/gen/LanL2DZ/def2svp level of theory. Among the nano clusters studied for this interaction, analysis of the HOMO–LUMO energy differences (E
g) showed that HXU@C59Hg (H2) reflects the least energy gap of 3.042 eV, indicating its greater reactivity, sensitivity and conductivity. Also, the adsorption phenomenon in this current study is best described as chemisorptions owing to the negative adsorption enthalpies observed. Thus, the adsorption energy (E
Ad) follows an increasing pattern of: HXU@C60 (C1) (−0.218 eV) < HXU@C59Ir (I1) (−1.361 eV) < HXU@C59Au (A1) (−1.986 eV) < HXU@C59Hf (H1) (−2.640 eV) < HXU@C59Hg (H2) (−3.347 eV). Least E
g, highest E
Ad and non-covalent nature of interaction attributed to C59Hg surface are sufficient to show that, among all studied surfaces, C59Hg surface emerged as the most suitable adsorbent for the adsorption of HXU. Hence, it can be used in modeling future adsorbent material for hydroxyurea.
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Affiliation(s)
- Chioma G. Apebende
- Computational and Bio-Simulation Research Group , University of Calabar , Calabar , Nigeria
- Department of Pure and Applied Chemistry, Faculty of Physical Sciences , University of Calabar , Calabar , Nigeria
| | - Hitler Louis
- Computational and Bio-Simulation Research Group , University of Calabar , Calabar , Nigeria
- Department of Pure and Applied Chemistry, Faculty of Physical Sciences , University of Calabar , Calabar , Nigeria
| | - Aniekan E. Owen
- Computational and Bio-Simulation Research Group , University of Calabar , Calabar , Nigeria
| | - Innocent Benjamin
- Computational and Bio-Simulation Research Group , University of Calabar , Calabar , Nigeria
- Department of Microbiology, Faculty of Biological Sciences , University of Calabar , Calabar , Nigeria
| | - Ismail O. Amodu
- Computational and Bio-Simulation Research Group , University of Calabar , Calabar , Nigeria
- Department of Mathematics, Faculty of Physical Sciences , University of Calabar , Calabar , Nigeria
| | - Terkumbur E. Gber
- Computational and Bio-Simulation Research Group , University of Calabar , Calabar , Nigeria
- Department of Pure and Applied Chemistry, Faculty of Physical Sciences , University of Calabar , Calabar , Nigeria
| | - Fredrick C. Asogwa
- Computational and Bio-Simulation Research Group , University of Calabar , Calabar , Nigeria
- Department of Pure and Applied Chemistry, Faculty of Physical Sciences , University of Calabar , Calabar , Nigeria
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17
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Khalid M, Anwer W, Adeel M, Shafiq Z, Braga AAC, Assiri MA, Imran M, Ullah A. Exploration of the interesting photovoltaic behavior of the fused benzothiophene dioxide moiety as a core donor with modification in acceptors for high-efficacy organic solar cells. RSC Adv 2022; 12:29010-29021. [PMID: 36320741 PMCID: PMC9552528 DOI: 10.1039/d2ra04473k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Accepted: 09/05/2022] [Indexed: 11/16/2022] Open
Abstract
Non-fullerene-based chromophores with end-capped acceptor modification used in organic solar cells (OSCs) have proven to offer improved performance. Therefore, eight unique benzothiophene-based molecules (D2-D9) were designed by the end-capped acceptor manipulation of a reference molecule (R1). Density functional theory (DFT) and time-dependent density functional theory (TD-DFT) calculations at the B3LYP level were performed to investigate various parameters such as the optical properties, frontier molecular orbitals (FMOs), transition density matrix (TDM), binding energy, density of states (DOS), open-circuit voltage (V oc), and reorganization energies of electrons (λ e) and holes (λ h), to better understand the optoelectronic properties of the newly designed compounds. All the derivatives had broader absorption spectra of 737.562-700.555 nm with a reduced energy gap of 2.132-1.851 eV compared to those of the reference (719.082 nm), except for D8 and D9. A comparable value of V oc and lower reorganization energies were found in the derivatives compared to those of R1. Within the studied compounds, D3 was predicted to be a good optoelectronic material for environmentally friendly organic solar cells (EFOSCs) because of its superior optoelectronic capabilities, low-energy band gap (1.851 eV), highest λ max values of 794.516 and 744.784 nm in chloroform and the gas phase, respectively, and lowest transition energy (1.561 eV) than those of the reference and the other derivatives. Subsequently, end-capped acceptor modification was proven to be an effective method to achieve desired optoelectronic characteristics.
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Affiliation(s)
- Muhammad Khalid
- Institute of Chemistry, Khwaja Fareed University of Engineering & Information TechnologyRahim Yar Khan64200Pakistan,Centre for Theoretical and Computational Research, Khwaja Fareed University of Engineering & Information TechnologyRahim Yar Khan64200Pakistan
| | - Wajeeha Anwer
- Institute of Chemistry, Khwaja Fareed University of Engineering & Information TechnologyRahim Yar Khan64200Pakistan,Centre for Theoretical and Computational Research, Khwaja Fareed University of Engineering & Information TechnologyRahim Yar Khan64200Pakistan
| | - Muhammad Adeel
- Institute of Chemical Sciences, Gomal UniversityDera Ismail KhanKhyber Pukhtoon KhwaPakistan
| | - Zahid Shafiq
- Institute of Chemical Sciences, Bahauddin Zakariya UniversityMultan 60800Pakistan
| | - Ataualpa A. C. Braga
- Departamento de Química Fundamental, Instituto de Química, Universidade de São PauloAv. Prof. Lineu Prestes, 748São Paulo05508-000Brazil
| | - Mohammed A. Assiri
- Department of Chemistry, Faculty of Science, King Khalid UniversityP. O. Box 9004Abha 61413Saudi Arabia,Research Center for Advanced Materials Science (RCAMS), King Khalid UniversityP. O. Box 9004Abha 61514Saudi Arabia
| | - Muhammad Imran
- Department of Chemistry, Faculty of Science, King Khalid UniversityP. O. Box 9004Abha 61413Saudi Arabia,Research Center for Advanced Materials Science (RCAMS), King Khalid UniversityP. O. Box 9004Abha 61514Saudi Arabia
| | - Aman Ullah
- Department of Agricultural, Food and Nutritional Science, Faculty of Agricultural, Life and Environmental Sciences, University of AlbertaEdmontonABCanada
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Asif Iqbal MM, Mehboob MY, Hassan T. Theoretical study of the structure-activity relationship of the S-shaped acceptor molecules for organic solar cell applications. MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING 2022; 148:106763. [DOI: 10.1016/j.mssp.2022.106763] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
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19
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Hadi H, Safari R. Synthesis and experimental/theoretical evaluation of an efficient Calix[4]arene based sensor for selective detection of Pt 2+ ion. Mol Phys 2022. [DOI: 10.1080/00268976.2022.2108516] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
Affiliation(s)
- Hamid Hadi
- Faculty of Science, Department of Chemistry (Physical Chemistry Group), University of Lorestan, Khorramabad, Iran
- Faculty of Science, Department of Chemistry (Physical Chemistry Group), University of Qom, Qom, Iran
| | - Reza Safari
- Faculty of Science, Department of Chemistry (Physical Chemistry Group), University of Qom, Qom, Iran
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20
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Stability, Energetic, and Reactivity Properties of NiPd Alloy Clusters Deposited on Graphene with Defects: A Density Functional Theory Study. MATERIALS 2022; 15:ma15134710. [PMID: 35806834 PMCID: PMC9267918 DOI: 10.3390/ma15134710] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Revised: 02/02/2022] [Accepted: 02/06/2022] [Indexed: 02/04/2023]
Abstract
Graphene with defects is a vital support material since it improves the catalytic activity and stability of nanoparticles. Here, a density functional theory study was conducted to investigate the stability, energy, and reactivity properties of NinPdn (n = 1–3) clusters supported on graphene with different defects (i.e., graphene with monovacancy and pyridinic N-doped graphene with one, two, and three N atoms). On the interaction between the clusters and graphene with defects, the charge was transferred from the clusters to the modified graphene, and it was observed that the binding energy between them was substantially higher than that previously reported for Pd-based clusters supported on pristine graphene. The vertical ionization potential calculated for the clusters supported on modified graphene decreased compared with that calculated for free clusters. In contrast, vertical electron affinity values for the clusters supported on graphene with defects increased compared with those calculated for free clusters. In addition, the chemical hardness calculated for the clusters supported on modified graphene was decreased compared with free clusters, suggesting that the former may exhibit higher reactivity than the latter. Therefore, it could be inferred that graphene with defects is a good support material because it enhances the stability and reactivity of the Pd-based alloy clusters supported on PNG.
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21
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Kashyap S, Batra K. Structural, electronic, thermodynamic and optical properties of SnlSemSn clusters: A DFT study. Chem Phys 2022. [DOI: 10.1016/j.chemphys.2022.111501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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22
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Efficient designing of half-moon-shaped chalcogen heterocycles as non-fullerene acceptors for organic solar cells. J Mol Model 2022; 28:125. [PMID: 35459976 DOI: 10.1007/s00894-022-05116-9] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Accepted: 04/18/2022] [Indexed: 12/16/2022]
Abstract
One key strategy to further improve the power conversion efficiency (PCE) of organic solar cells (OSCs) is to incorporate various complementary functional groups in a molecule. Such strategies proved attractive for tuning the photovoltaic performances of the materials and can show a much higher absorption phenomenon with narrower band gaps. Despite the outstanding benefits, materials selection and their efficient modeling is also an extremely challenging job for the development of OSCs materials. In this manuscript, we proficiently developed an efficient series of small molecule-based non-fullerene acceptors (SM-NFAs) SN1-SN9 for OSCs and characterized by density functional theory (DFT) and time-dependent DFT (TD-DFT). The characteristics required to estimate electron and hole mobility, and open-circuit voltage (Voc) were investigated by optimizing the geometrical parameters, absorption spectra, exciton binding energy, frontier molecular orbitals (FMOs), electronic structures, and charge transfer rates. The outcomes of these materials showed that all newly constructed small-molecule-based non-fullerene acceptors exhibit broader and better absorption efficiency (λmax = 761 to 778 nm) and exciton dissociation, while much lower LUMO energy levels which may help to enhance the reorganizational energies. Further, a narrow bandgap also offers better photovoltaic properties. Hence, the designed molecules exhibited narrow bandgap values (Eg = 2.82 to 2.98 eV) which are lower than that of the reference molecule (3.05 eV). High Voc and photocurrent density values with lower excitation and binding energies eventually increase the PCEs of the OSC devices. The obtained results have shown that designed molecules could be effective aspirants for high-performance OSCs.
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23
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Quantum chemical designing of novel fullerene-free acceptor molecules for organic solar cell applications. J Mol Model 2022; 28:67. [PMID: 35201436 DOI: 10.1007/s00894-022-05062-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Accepted: 02/17/2022] [Indexed: 10/19/2022]
Abstract
Organic solar cells (OSCs) with bulk heterojunction (BHJ) structures consisting of electron-donor and electron-acceptor materials have achieved impressive progress over the past decade, demonstrating their great potential in practical applications. In this study, we have designed five fullerene-free acceptor-based molecules containing indaceno-dithiophene as a central core moiety. We studied the optoelectronic features of these newly architecture molecules by using DFT and TD-DFT approaches. For the investigation of the optoelectronic characteristics of the reference and newly designed molecules, we performed different parameters including FMO's, absorption maxima, excitation energy, transition density matrix (TDM) along with binding energy, dipole moment, the partial density of states, charge mobility, and charge transfer analysis. Among all engineered molecules, SK1 has proven to be the most efficient solar cell due to its promising optoelectronic and photovoltaic properties. SK1 reveals smaller band-gap (Egap = 1.959 eV) and lesser λh (0.0070 eV) and λe (0.0051 eV). SK1 illustrated comparable binding energy value (0.33 eV) and lowest excitation energy (1.62 eV) which will lead to improved power conversion efficiency values. The SK1 molecule demonstrated the highest λmax value (764 nm) in the solvent phase which could lead to redshift absorption for achieving the high efficiency of OSCs. This molecular modeling approves that the best working efficiency of organic solar devices can be achieved by terminal group modifications due to their promising photovoltaic and optoelectronic properties. It is evident from the current analysis that all the theoretically fabricated molecules (SK1-SK5) are fabulous and highly suggested to experimental workers for their synthesis and advancement of these highly competent solar devices in the future.
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In silico modelling of acceptor materials by End-capped and π-linker modifications for High-Performance organic solar Cells: Estimated PCE > 18%. COMPUT THEOR CHEM 2022. [DOI: 10.1016/j.comptc.2021.113555] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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25
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Mehboob MY, Hussain R, Jamil S, Ahmed M, Khan MU, Haroon M, Janjua MRSA. Physical‐organic aspects along with linear and nonlinear optical properties of benzene sulfonamide compounds: In silico analysis. J PHYS ORG CHEM 2022. [DOI: 10.1002/poc.4313] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
| | - Riaz Hussain
- Department of Chemistry University of Okara Okara Pakistan
| | - Saba Jamil
- Super Light Materials and Nanotechnology Laboratory, Department of Chemistry University of Agriculture Faisalabad Pakistan
| | - Mahmood Ahmed
- Division of Science and Technology University of Education Lahore Pakistan
| | | | - Muhammad Haroon
- Department of Chemistry King Fahd University of Petroleum and Minerals (KFUPM) Dhahran Saudi Arabia
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Janjua MRSA. Quantum design of transition metals decorated on boron phosphide inorganic nanocluster for Favipiravir adsorption: a possible treatment for COVID-19. NEW J CHEM 2022. [DOI: 10.1039/d1nj04697g] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Herein, a quantum drug delivery design of transition metals decorated on boron phosphide (B12P12) inorganic nanocage for favipiravir adsorption has been presented. Thus, these systems may facilitate us as COVID-19 therapy.
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Pari AA, Yousefi M, Samadi S, Allahgholi Ghasri MR, Torbati MB. Structural analysis of an iron-assisted carbon monolayer for delivery of 2-thiouracil. MAIN GROUP CHEMISTRY 2021. [DOI: 10.3233/mgc-210079] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
An idea of employing an iron-assisted carbon (FeC) monolayer for delivery of 2-thiouracil (2TU) was examined in this work by analyzing structural features for singular and bimolecular models. Density functional theory (DFT) calculations were performed for optimizing the structures and evaluating molecular and atomic descriptors for analyzing the models systems. Two bimolecular models were obtained assigning by S-FeC and O-FeC models, in which each of S and O atom of 2TU was relaxed towards the Fe region of FeC surface in the mentioned models, respectively. The results indicated that both models were achievable with slightly more favorability for formation of S-FeC model. The obtained molecular orbital properties revealed the dominant role of FeC monolayer for managing future interactions of attached 2TU, which is indeed a major role for employing nanomaterials for targeted drug delivery purposes. In addition to energies and molecular orbital features, atomic quadrupole coupling constants indicated the benefit of employing FeC monolayer for drug delivery of 2TU.
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Affiliation(s)
- Azar Asgari Pari
- Department of Chemistry, Yadegar-e Imam Khomeini (RAH) Shahr-e-Rey Branch, Islamic Azad University, Tehran, Iran
| | - Mohammad Yousefi
- Department of Chemistry, Faculty of Pharmaceutical Chemistry, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Susan Samadi
- Department of Chemistry, Yadegar-e Imam Khomeini (RAH) Shahr-e-Rey Branch, Islamic Azad University, Tehran, Iran
| | | | - Maryam Bikhof Torbati
- Department of Biology, Yadegar-e Imam Khomeini (RAH) Shahr-e-Rey Branch, Islamic Azad University, Tehran, Iran
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Yang L, Xiao W, Wang J, Li X, Wang L. Tunable formaldehyde sensing properties of palladium cluster decorated graphene. RSC Adv 2021; 11:37120-37130. [PMID: 35496415 PMCID: PMC9043533 DOI: 10.1039/d1ra06940c] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Accepted: 11/12/2021] [Indexed: 12/31/2022] Open
Abstract
The ability to tune the adsorption strength of the targeted gas on sensing materials is crucial for sensing applications. By employing first-principles calculations the adsorption and sensing properties of HCHO on small Pd n (n = 1-6) cluster decorated graphene have been systematically investigated. The adsorption energy is found to depend on the size of the Pd n cluster and can be tuned in a wide range from -0.68 eV on Pd(111) to -1.98 eV on the Pd3/graphene system. We also find that the Pd n /graphene (n = 5 and 6) systems have an appropriate adsorption energy for HCHO gas sensing. The current-voltage curves are calculated by the non-equilibrium Green's function method for the two-probe nano-sensor devices along both the armchair and zigzag directions. The devices constructed with Pd n /graphene (n = 5 and 6), having the highest absolute response over 20% at small voltages, should be applicable for HCHO detection. This work provides a theoretical basis for exploring potential applications of metal cluster decorated graphene for gas sensing.
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Affiliation(s)
- Lunwei Yang
- State Key Laboratory of Nonferrous Metals and Processes, GRINM Group Co., Ltd. Beijing 100088 P. R. China .,GRIMAT Engineering Institute Co., Ltd. Beijing 101407 P. R. China.,General Research Institute for Nonferrous Metals Beijing 100088 P. R. China.,Department of Materials Physics and Chemistry, School of Materials Science and Engineering, Key Laboratory for Anisotropy and Texture of Materials, Ministry of Education, Northeastern University Shenyang 110819 P. R. China
| | - Wei Xiao
- State Key Laboratory of Nonferrous Metals and Processes, GRINM Group Co., Ltd. Beijing 100088 P. R. China .,GRIMAT Engineering Institute Co., Ltd. Beijing 101407 P. R. China.,General Research Institute for Nonferrous Metals Beijing 100088 P. R. China
| | - Jianwei Wang
- State Key Laboratory of Nonferrous Metals and Processes, GRINM Group Co., Ltd. Beijing 100088 P. R. China .,GRIMAT Engineering Institute Co., Ltd. Beijing 101407 P. R. China.,General Research Institute for Nonferrous Metals Beijing 100088 P. R. China
| | - Xiaowu Li
- Department of Materials Physics and Chemistry, School of Materials Science and Engineering, Key Laboratory for Anisotropy and Texture of Materials, Ministry of Education, Northeastern University Shenyang 110819 P. R. China
| | - Ligen Wang
- State Key Laboratory of Nonferrous Metals and Processes, GRINM Group Co., Ltd. Beijing 100088 P. R. China .,GRIMAT Engineering Institute Co., Ltd. Beijing 101407 P. R. China.,General Research Institute for Nonferrous Metals Beijing 100088 P. R. China
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29
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Deciphering the role of end-capped acceptor units for amplifying the photovoltaic properties of donor materials for high-performance organic solar cell applications. COMPUT THEOR CHEM 2021. [DOI: 10.1016/j.comptc.2021.113454] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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30
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Mehboob MY, Hussain R, Irshad Z, Farwa U, Adnan M, Muhammad S. Designing and Encapsulation of Inorganic Al12N12 Nanoclusters with Be, Mg, and Ca Metals for Efficient Hydrogen Adsorption: A Step Forward Towards Hydrogen Storage Materials. JOURNAL OF COMPUTATIONAL BIOPHYSICS AND CHEMISTRY 2021. [DOI: 10.1142/s2737416521500411] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Nanoclusters such as [Formula: see text][Formula: see text] have received increased attention due to their diverse applications in the fields of optoelectronics and energy storage. In this paper, we have investigated a series of alkaline earth metal (AEM)-encapsulated [Formula: see text][Formula: see text] nanoclusters for hydrogen adsorption. Thermodynamic adsorption parameters, optical and nonlinear optical properties were investigated using density functional theory (DFT) at the B3LYP/6-31G(d,p) level of theory. Encapsulation of AEMs (Be, Mg and Ca) is an effective strategy to improve the NLO reaction and thermodynamic and adsorption properties of [Formula: see text][Formula: see text] nanoclusters. The adsorption energies ranging from [Formula: see text]26.57[Formula: see text]kJ/mol to [Formula: see text]213.33[Formula: see text]kJ/mol for the three guests (Be, Mg and Ca) capsulated [Formula: see text][Formula: see text] nanoclusters are observed. The adsorption energy is affected by the size of the nanocage. Therefore, Ca- and Mg-encapsulated cages show higher values of adsorption energy. Overall, an increase in adsorption energy ([Formula: see text][Formula: see text]kJ/mol to [Formula: see text]91.06[Formula: see text]kJ/mol) is observed for (Be, Mg and Ca) encapsulated [Formula: see text][Formula: see text] nanoclusters compared to untreated [Formula: see text][Formula: see text] and H2-[Formula: see text][Formula: see text] cages. Moreover, adsorption of hydrogen on AEMs encapsulated in [Formula: see text][Formula: see text] leads to a decrease in the HOMO-LUMO energy gap with an enhancement of linear and nonlinear hyperpolarizability. All hydrogen-adsorbed AEMs [Formula: see text][Formula: see text] nanocages exhibit large [Formula: see text] and [Formula: see text] values, suggesting that these systems are potential candidates for optical materials. Various geometrical parameters such as frontier molecular orbitals (FMOs), partial density of states, global quantum descriptor of reactivity, natural bond orbital testing and molecular electrostatic strength analyses were performed to investigate the thermodynamic stability of all the studied systems. The results obtained confirmed that the designed systems are suitable for hydrogen storage. Therefore, we recommend that these systems be investigated for their hydrogen storage and optical properties.
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Affiliation(s)
| | - Riaz Hussain
- Department of Chemistry, University of Okara, Okara 56300, Pakistan
| | - Zobia Irshad
- Graduate School, Department of Chemistry, Chosun University, 501-759, Republic of Korea
| | - Ume Farwa
- Department of Chemistry, Chonnam National University, 77 Yongbong-ro, Buk-gu, Gwangju 61186, Republic of Korea
| | - Muhammad Adnan
- Graduate School, Department of Chemistry, Chosun University, 501-759, Republic of Korea
| | - Shabbir Muhammad
- Department of Physics, College of Science, King Khalid University, P.O. Box 9004, Abha 61413, Saudi Arabia
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Hussain S, Chatha SAS, Hussain AI, Hussain R, Yasir Mehboob M, Mansha A, Shahzad N, Ayub K. A Theoretical Framework of Zinc-Decorated Inorganic Mg 12O 12 Nanoclusters for Efficient COCl 2 Adsorption: A Step Forward toward the Development of COCl 2 Sensing Materials. ACS OMEGA 2021; 6:19435-19444. [PMID: 34368531 PMCID: PMC8340102 DOI: 10.1021/acsomega.1c01473] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Accepted: 07/12/2021] [Indexed: 05/09/2023]
Abstract
Gas sensors are widely explored due to their remarkable detection efficiency for pollutants. Phosgene is a toxic gas and its high concentration in the environment causes some serious health problems like swollen throat, a change in voice, late response of nervous systems, and many more. Therefore, the development of sensors for quick monitoring of COCl2 in the environment is the need of the time. In this aspect, we have explored the adsorption behavior of late transition metal-decorated Mg12O12 nanoclusters for COCl2. Density functional theory at the B3LYP/6-31G(d,p) level is used for optimization, frontier molecular orbital analysis, dipole moment, natural bonding orbitals, bond lengths, adsorption energies, and global reactivity descriptor analysis. Decoration of Zn on pure Mg12O12 delivered two geometries named as Y1 and Y2 with adsorption energy values of -388.91 and -403.11 kJ/mol, respectively. Adsorption of COCl2 on pure Mg12O12 also delivered two geometries (X1 and X2) with different orientations of COCl2. The computed adsorption energy values of X1 and X2 are -44.92 and -71.32 kJ/mol. However, adsorption of COCl2 on Zn-decorated Mg12O12 offered two geometries named as Z1 and Z2 with adsorption energy values of -455.22 and -419.04 kJ/mol, respectively. These adsorption energy values suggested that Zn decoration significantly enhances the adsorption capability of COCl2 gas. Further, the narrow band gap and large dipole moment values of COCl2-adsorbed Zn-decorated Mg12O12 nanoclusters suggested that designed systems are efficient candidates for COCl2 adsorption. Global reactivity indices unveil the great natural stability and least reactivity of designed systems. Results of all analyses suggested that Zn-decorated Mg12O12 nanoclusters are efficient aspirants for the development of high-performance COCl2 sensing materials.
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Affiliation(s)
- Shahid Hussain
- Department
of Applied Chemistry, Government College
University, Faisalabad 38000, Pakistan
| | | | - Abdullah Ijaz Hussain
- Department
of Applied Chemistry, Government College
University, Faisalabad 38000, Pakistan
| | - Riaz Hussain
- Department
of Chemistry, University of Okara, Okara 56300, Punjab, Pakistan
| | | | - Asim Mansha
- Department
of Chemistry, Government College University, Faisalabad 38000, Pakistan
| | - Nabeel Shahzad
- Department
of Chemistry, Government College University, Faisalabad 38000, Pakistan
| | - Khurshid Ayub
- Department
of Chemistry, COMSATS University, Abbottabad Campus, Abbottabad 22060, Pakistan
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32
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Muhammad Asif Iqbal M, Yasir Mehboob M, Hussain R, Adnan M, Irshad Z. Synergistic effects of fluorine, chlorine and bromine-substituted end-capped acceptor materials for highly efficient organic solar cells. COMPUT THEOR CHEM 2021. [DOI: 10.1016/j.comptc.2021.113335] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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33
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Mehboob MY, Hussain R, Irshad Z, Adnan M. Role of acceptor guests in tuning optoelectronic properties of benzothiadiazole core based non-fullerene acceptors for high-performance bulk-heterojunction organic solar cells. J Mol Model 2021; 27:226. [PMID: 34259943 DOI: 10.1007/s00894-021-04843-9] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Accepted: 07/01/2021] [Indexed: 11/28/2022]
Abstract
Recently, end-capped acceptors tailoring approach has attracted many researchers because of unceasing higher power conversion efficiencies (PCEs) of resulted compounds. By keeping in view, the crucial role of NFAs in bulk-heterojunction OSCs, herein, we molecularly engineered five new non-fullerene acceptor materials (Y6A1-Y6A5) by modifying a recently synthesized Y6 molecule (R), having 18% power conversion efficiency when combined with D18 donor polymer. The structural-elemental connection, physical-chemical, optoelectronic, and photovoltaic characteristics of novel deigned and reference material (R) are studied with advanced quantum-chemical modulations. Density functional theory and time dependent-density functional theory has been employed through various basis sets to investigate the designed molecules theoretically. Interestingly, all of the newly modeled materials displayed lower excitation energies with lower HOMO-LUMO energy-gaps in-contrast with R molecule. Moreover, a red-shifted absorption and lower reorganizational energies of electron and hole are also a novel feature of these designed materials. The lower binding energy values of modeled materials offers better charge separation and high photo-current density (Jsc) as compared to R. Transition density analysis, open circuit voltage, and molecular electrostatic potential analysis suggested that end-capped acceptors alteration of R molecule is an efficient approach for tuning the optoelectronic properties of non-fullerene-based acceptor molecules (Y6A1-Y6A5). In last, composite study of donor: acceptor (D18:Y6A2) complex has also been carried-out to realize the charge transfer process at the donor-acceptor interface. After all investigations, we hope that our theoretical modeled materials are superior than Y6 molecule, therefore, we endorse these materials for the synthesis to prepare highly-efficient BHJ-OSCs devices.
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Affiliation(s)
| | - Riaz Hussain
- Department of Chemistry, University of Okara, Okara, 56300, Pakistan
| | - Zobia Irshad
- Graduate School, Department of Chemistry, Chosun University, Gwangju, 501-759, Republic of Korea.
| | - Muhammad Adnan
- Graduate School, Department of Chemistry, Chosun University, Gwangju, 501-759, Republic of Korea.
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34
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End-capped engineering of bipolar diketopyrrolopyrrole based small electron acceptor molecules for high performance organic solar cells. COMPUT THEOR CHEM 2021. [DOI: 10.1016/j.comptc.2021.113242] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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35
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Mehboob MY, Hussain F, Hussain R, Ali S, Irshad Z, Adnan M, Ayub K. Designing of Inorganic Al 12N 12 Nanocluster with Fe, Co, Ni, Cu and Zn Metals for Efficient Hydrogen Storage Materials. JOURNAL OF COMPUTATIONAL BIOPHYSICS AND CHEMISTRY 2021. [DOI: 10.1142/s2737416521500186] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Hydrogen is considered as one of the attractive environmentally friendly materials with zero carbon emission. Hydrogen storage is still challenging for its use in various energy applications. That’s why hydrogen gained more and more attention to become a major fuel of today’s energy consumption. Therefore, nowadays, hydrogen storage materials are under extensive research. Herein, efforts are being devoted to design efficient systems which could be used for future hydrogen storage purposes. To this end, we have employed density functional theory (DFT) to optimize the geometries of the designed inorganic Al[Formula: see text]N[Formula: see text] nanoclusters with transition metals (Fe, Co, Ni, Cu and Zn). Various positions of metal encapsulated Al[Formula: see text]N[Formula: see text] are examined for efficient hydrogen adsorption. After adsorption of H2 on late transition metals encapsulated Al[Formula: see text]N[Formula: see text] nanocluster, different geometric parameters like frontier molecular orbitals, adsorption energies and nature bonding orbitals have been performed for exploring the potential of metal encapsulated for hydrogen adsorption. Moreover, molecular electrostatic potential (MEP) analysis was also performed in order to explore the different charge separation upon H2 adsorption on metals encapsulated Al[Formula: see text]N[Formula: see text] nanoclusters. Also, global indices of reactivity like ionization potential, electron affinity, electrophilic index, chemical softness and chemical hardness were also examined by using DFT. The adsorption energy results suggested encapsulation of late transition metals in Al[Formula: see text]N[Formula: see text] nanocage efficiently enhancing the adsorption capability of Al[Formula: see text]N[Formula: see text] for hydrogen adsorption. Results of all analysis suggested that our designed systems are efficient candidates for hydrogen adsorption. Thus, we recommended a novel kind of systems for hydrogen storage materials.
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Affiliation(s)
| | - Fakhar Hussain
- Department of Chemistry, University of Agriculture Faisalabad, Faisalabad, Pakistan
| | - Riaz Hussain
- Department of Chemistry, University of Okara, Okara 56300, Pakistan
| | - Shaukat Ali
- Department of Chemistry, University of Agriculture Faisalabad, Faisalabad, Pakistan
| | - Zobia Irshad
- Graduate School, Department of Chemistry, Chosun University, 501-759 Gwangju, Republic of Korea
| | - Muhammad Adnan
- Graduate School, Department of Chemistry, Chosun University, 501-759 Gwangju, Republic of Korea
| | - Khurshid Ayub
- Department of Chemistry, COMSATS University, Abbottabad Campus, Abbottabad 22060, Pakistan
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36
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Hussain S, Chatha SAS, Hussain AI, Hussain R, Yasir Mehboob M, Mansha A, Shahzad N, Ayub K. In Silico Designing of Mg12O12 Nanoclusters with a Late Transition Metal for NO 2 Adsorption: An Efficient Approach toward the Development of NO 2 Sensing Materials. ACS OMEGA 2021; 6:14191-14199. [PMID: 34124442 PMCID: PMC8190788 DOI: 10.1021/acsomega.1c00850] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Accepted: 03/18/2021] [Indexed: 05/09/2023]
Abstract
Gas sensors are widely used for detection of environmental pollution caused by various environmental factors such as road traffic and combustion of fossil fuels. Nitrogen dioxide (NO2) is one of the leading pollutants of the present age, which causes a number of serious health issues including acute bronchitis, cough, and phlegm, particularly in children. Nowadays, researchers are focused on designing new sensor materials for detection and removal of NO2 from the environment. In this line, we have made an attempt to design NO2 sensing materials by using theoretical techniques. Here, we have reported decoration of Mg12O12 nanoclusters with a late transition metal (Cu) by employing density functional theory at the B3LYP/6-31G(d,p) basis set. The decoration of metal on Mg12O12 gives two geometries (M1 and M2) with adsorption energies of -363.81 and -384.09 kJ/mol, respectively. Adsorption of NO2 on pristine Mg12O12 expressed an adsorption energy value of -62.36 kJ/mol. Adsorption of NO2 on Cu-decorated Mg12O12 nanocages delivered two geometries (N1 and N2) with adsorption energies of -442.56 and -447.64 kJ/mol. Metal-decorated Mg12O12 nanoclusters offer better adsorption of NO2 as compared to pristine Mg12O12 . Adsorption of NO2 on Cu-Mg12O12 nanoclusters also causes narrowing of band gap of magnesium oxide nanoclusters. Large dipole moment, high Q NBO with large electrophilic index in NO2-Cu-Mg12O12 nanoclusters suggested that metal-decorated Mg12O12 nanoclusters are efficient candidates for NO2 adsorption. Different geometric parameters and results of global reactivity descriptors show that NO2-Cu-Mg12O12 nanoclusters are quite stable in nature with least reactivity. Thus, conceptualized systems are potential candidates for applications in NO2 sensing materials.
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Affiliation(s)
- Shahid Hussain
- Department
of Applied Chemistry, Government College
University, Faisalabad 38000, Pakistan
| | | | - Abdullah Ijaz Hussain
- Department
of Applied Chemistry, Government College
University, Faisalabad 38000, Pakistan
| | - Riaz Hussain
- Department
of Chemistry, University of Okara, Okara, Punjab 56300, Pakistan
| | | | - Asim Mansha
- Department
of Chemistry, Government College University, Faisalabad 38000, Pakistan
| | - Nabeel Shahzad
- Department
of Chemistry, Government College University, Faisalabad 38000, Pakistan
| | - Khurshid Ayub
- Department
of Chemistry, COMSATS University Islamabad, Abbottabad Campus, Abbottabad 22060, Pakistan
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37
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Mehboob MY, Hussain R, Irshad Z, Adnan M. Designing of U‐shaped acceptor molecules for indoor and outdoor organic solar cell applications. J PHYS ORG CHEM 2021. [DOI: 10.1002/poc.4210] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
| | - Riaz Hussain
- Department of Chemistry University of Okara Okara Pakistan
| | - Zobia Irshad
- Graduate School, Department of Chemistry Chosun University Gwangju South Korea
| | - Muhammad Adnan
- Graduate School, Department of Chemistry Chosun University Gwangju South Korea
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38
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Bashir M, Yousuf I, Arjmand F, Tabassum S. Deciphering the effect of hydrophobicity on protein binding interaction in cobalt(II) complexes by multispectroscopic and computational methods. J Biomol Struct Dyn 2021; 40:7381-7393. [PMID: 33685362 DOI: 10.1080/07391102.2021.1897678] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
In the present work, we report the synthesis, characterization of two cobalt complexes (1 and 2) and their HSA binding studies by multispectroscopic methods. Hirshfeld surfaces analysis and fingerprint plot analysis were carried out to identify intermolecular interactions viz., N-H···O, O-H···O and C-H···O linkages in crystal framework of the complexes. Density functional theory (DFT) studies were carried out to ascertain the electronic structure and molecular geometry of the complexes 1 and 2, and determine the localization of HOMO and LUMO in the complexes. A comparative in vitro interaction study of complex 1 and 2 with human serum albumin protein was carried out by employing UV-vis, fluorescence, circular dichroism, FTIR and molecular docking techniques. Interestingly, the HSA binding affinity of complex 2 was found to be more than complex 1 which was evidenced from the higher binding constant values owing to its strong hydrophobic topology. Further, a significant conformational change in microenvironment of HSA was noticed upon binding with complexes 1 and 2, nevertheless more perturbations were noticed in presence of complex 1. Molecular docking studies were carried out to validate the spectroscopic results and ascertain the preferential binding mode of complexes at the specific target site of HSA.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Masrat Bashir
- Department of Chemistry, Aligarh Muslim University, Aligarh, Uttar Pradesh, India
| | - Imtiyaz Yousuf
- Department of Chemistry, Aligarh Muslim University, Aligarh, Uttar Pradesh, India
| | - Farukh Arjmand
- Department of Chemistry, Aligarh Muslim University, Aligarh, Uttar Pradesh, India
| | - Sartaj Tabassum
- Department of Chemistry, Aligarh Muslim University, Aligarh, Uttar Pradesh, India
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39
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Janjua MRSA. How Does Bridging Core Modification Alter the Photovoltaic Characteristics of Triphenylamine-Based Hole Transport Materials? Theoretical Understanding and Prediction. Chemistry 2021; 27:4197-4210. [PMID: 33210769 DOI: 10.1002/chem.202004299] [Citation(s) in RCA: 49] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Revised: 11/06/2020] [Indexed: 11/07/2022]
Abstract
Perovskite solar cells have gained immense interest from researchers owing to their good photophysical properties, low-cost production, and high power conversion efficiencies. Hole transport materials (HTMs) play a dominant role in enhancing the power conversion efficiencies (PCEs) and long diffusion length of holes and electrons in perovskite solar cells. In hole transport materials, modification of π-linkers has proved to be an efficient approach for enhancing the overall PCE of perovskite solar cells. In this work, π-linker modification of a recently synthesized H-Bi molecule (R) is achieved with novel π-linkers. After structural modifications, ten novel HTMs (HB1-HB10) with a D-π-D backbone are obtained. The structure-property relationship, and optoelectronic and photovoltaic characteristics of these newly designed hole transport materials are examined comprehensively and compared with reference molecules. In addition, different geometric parameters are also examined with the assistance of density functional theory (DFT) and time-dependent DFT. All the designed molecules exhibit narrow HOMO-LUMO energy gaps (Eg =2.82-2.99 eV) compared with the R molecule (Eg =3.05 eV). The designed molecules express redshifting in their absorption spectra with low values of excitation energy, which in return offer high power conversion efficiencies. Further, density of states and molecular electrostatic potential analysis is performed to locate the different charge sites in the molecules. The reorganizational energies of holes and electrons are found to have good values, suggesting that these novel designed molecules are efficient hole transport materials for perovskite solar cells. In addition, the low binding energy values of the designed molecules (compared with R) offer high current charge density. Finally, complex study of HB9:PC61 BM is also undertaken to understand the charge transfer between the molecules of the complex. The results of all analyses advocate that these novel designed HTMs are promising candidates for the construction of future high-performance perovskite solar cells.
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40
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Aasi A, Mehdi Aghaei S, Panchapakesan B. Outstanding Performance of Transition-Metal-Decorated Single-Layer Graphene-like BC 6N Nanosheets for Disease Biomarker Detection in Human Breath. ACS OMEGA 2021; 6:4696-4707. [PMID: 33644577 PMCID: PMC7905814 DOI: 10.1021/acsomega.0c05495] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Accepted: 01/25/2021] [Indexed: 06/12/2023]
Abstract
In the present work, we report highly sensitive and selective nanosensors constructed with metal-decorated graphene-like BC6N employing nonequilibrium Green's function (NEGF) formalism combined by density functional theory (DFT) toward multiple inorganic and sulfur-containing gas molecules (NO, NO2, NH3, CO, CO2, H2S, and SO2) as disease biomarkers from human breath. Monolayer sheets of pristine BC6N and Pd-decorated BC6N were evaluated for their gas adsorption properties, electronic property changes, sensitivity, and selectivity toward disease biomarkers. The pristine BC6N nanosheets exhibited sharp drops in the bandgap when interacted with gases such as NO2 while barely affected by other gases. However, the nanosecond recovery time and low adsorption energies limit the gas sensing applications of the pristine BC6N sheet. On the other hand, the Pd-decorated BC6N-based sensor underwent a semiconductor to metal transition upon the adsorption of NO x gas molecules. The conductance change of the sensor's material in terms of I-V characteristics revealed that the Pd-decorated BC6N sensor is highly sensitive (98.6-134%) and selective (12.3-74.4 times) toward NO x gas molecules with a recovery time of 270 s under UV radiation at 498 K while weakly interacting with interfering gases in exhaled breath such as CO2 and H2O. The gas adsorption behavior suggests that metal-decorated BC6N sensors are excellent candidates for analyzing pulmonary disease and cardiovascular biomarkers, among other ailments of the stomach, kidney, and intestine.
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Affiliation(s)
- Aref Aasi
- Small Systems Laboratory,
Department of Mechanical Engineering, Worcester
Polytechnic Institute, Worcester, Massachusetts 01609, United States
| | - Sadegh Mehdi Aghaei
- Small Systems Laboratory,
Department of Mechanical Engineering, Worcester
Polytechnic Institute, Worcester, Massachusetts 01609, United States
| | - Balaji Panchapakesan
- Small Systems Laboratory,
Department of Mechanical Engineering, Worcester
Polytechnic Institute, Worcester, Massachusetts 01609, United States
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41
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Mehboob MY, Hussain R, Irshad Z, Adnan M. Enhancement in the Photovoltaic Properties of Hole Transport Materials by End‐Capped Donor Modifications for Solar Cell Applications. B KOREAN CHEM SOC 2021. [DOI: 10.1002/bkcs.12238] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
| | - Riaz Hussain
- Department of Chemistry University of Okara Okara 56300 Pakistan
| | - Zobia Irshad
- Graduate School, Department of Chemistry Chosun University Gwangju 501‐759 Republic of Korea
| | - Muhammad Adnan
- Graduate School, Department of Chemistry Chosun University Gwangju 501‐759 Republic of Korea
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Khan MU, Hussain R, Mehboob MY, Khalid M, Ehsan MA, Rehman A, Janjua MRSA. First theoretical framework of Z-shaped acceptor materials with fused-chrysene core for high performance organic solar cells. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 245:118938. [PMID: 32971344 DOI: 10.1016/j.saa.2020.118938] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Revised: 09/02/2020] [Accepted: 09/07/2020] [Indexed: 05/24/2023]
Abstract
Chrysene core containing fused ring acceptor materials have remarkable efficiency for high performance organic solar cells. Therefore, present study has been carried out with the aim to design chrysene based novel Z-shaped electron acceptor molecules (Z1-Z6) from famous Z-shaped photovoltaic material FCIC (R) for organic photovoltaic applications. End-capped engineering at two electron-accepting end groups 1,1-dicyanomethylene-3-indanone of FCIC is made with highly efficient end-capped acceptor moieties and impact of end-capped modifications on structure-property relationship, photovoltaic and electronic properties of newly designed molecules (Z1-Z6) has been studied in detail through DFT and TDDFT calculations. The efficiencies of the designed molecules are evaluated through energy gaps, exciton binding energy along with transition density matrix (TDM) analysis, reorganizational energy of electron and hole, absorption maxima and open circuit voltage of investigated molecules. The designed molecules exhibit red-shift and intense absorption in near-infrared region (683-749 nm) of UV-Vis-NIR absorption spectrum with narrowing of HOMO-LUMO energy gap from 2.31 eV in R to 1.95 in eV in Z5. Moreover, reduction in reorganization energy of electron from 0.0071 (R) to 0.0049 (Z5), and enhancement in open circuit voltage from 1.08 V in R to 1.20 V in Z5 are also observed. Twisted Z-shape of designed molecules prevents self-aggregation that facilitates miscibility of donor and acceptor. Low values of binding energy, excitation energy, and reorganizational energy (electron and hole) suggest that novel designed molecules offer high charge mobilities as compared to FCIC. Our findings indicate that these novel designed molecules can display better photovoltaic parameters and are suitable candidates if used in organic solar cells.
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Affiliation(s)
- Muhammad Usman Khan
- Department of Chemistry, University of Okara, Okara 56300, Pakistan; Department of Applied Chemistry, Government College University, Faisalabad 38000, Pakistan
| | - Riaz Hussain
- Department of Chemistry, University of Okara, Okara 56300, Pakistan.
| | | | - Muhammad Khalid
- Department of Chemistry, Khwaja Fareed University of Engineering & Information Technology, Rahim Yar Khan 64200, Pakistan
| | - Muhammad Ali Ehsan
- Center of Research Excellence in Nanotechnology (CENT), King Fahd University of Petroleum & Minerals, Dhahran 31261, Saudi Arabia
| | - Abdul Rehman
- Department of Chemistry, King Fahd University of Petroleum and Minerals, Dhahran 31261, Saudi Arabia
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Mehboob MY, Khan MU, Hussain R, Hussain R, Ayub K, Sattar A, Ahmad MK, Irshad Z, Adnan M. Designing of benzodithiophene core-based small molecular acceptors for efficient non-fullerene organic solar cells. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 244:118873. [PMID: 32889342 DOI: 10.1016/j.saa.2020.118873] [Citation(s) in RCA: 52] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Revised: 08/07/2020] [Accepted: 08/18/2020] [Indexed: 05/21/2023]
Abstract
Nowadays, organic solar cells (OSCs) with non-fullerene electron acceptors provide the highest efficiencies among all studied OSCs. To further improve the efficiencies of fullerene-free organic solar cells, end-capped acceptor modification is made with strong electron withdrawing groups. In this report, we have theoretically designed five new novel Benzodithiophene core-based acceptor molecules (H1-H5) with the aim to study the possible enhancement in photophysical, optoelectronic, and photovoltaic properties of newly designed molecules. The end-capped acceptor modification of famous and recently synthesized FBDIC molecule has been made with strong electron withdrawing groups. Density functional theory and time-dependent-density functional theory are extensively used to study the structural-property relationship, optical properties and various geometrical parameters like frontier molecular orbitals alignment, excitation and binding energy, transition density matrix along with open circuit voltage, density of states and dipole moment. Commonly, low reorganization energies (hole and electron) afford high charge mobility and our all designed systems are enriched in aspect (λe = 0.0044-0.0104 eV and λh = 0.0060-0.0090 eV). Moreover, H1-H5 molecules demonstrate red-shifting in absorption spectrum (λmax = 741-812 nm) as compare to R (λmax = 728 nm). Low excitation and binding energies with low HOMO (highest occupied molecular orbital)-LUMO (lowest unoccupied molecular orbital) energy gap of H1-H5 suggested that designed molecules are better and suitable candidates for high performance organic solar cell. Results of all analysis indicate that this theoretical framework demonstrates that end-capped acceptors modification is a simple and effective alternative strategy to achieve the desirable optoelectronic properties. Therefore, H1-H5 are recommended to experimentalist for out-looking future developments of highly efficient solar cells.
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Affiliation(s)
| | - Muhammad Usman Khan
- Department of Chemistry, University of Okara, Okara 56300, Pakistan; Department of Applied Chemistry, Government College University, Faisalabad 38000, Pakistan.
| | - Riaz Hussain
- Department of Chemistry, University of Okara, Okara 56300, Pakistan.
| | - Riaz Hussain
- Department of Chemistry, University of Education Lahore, D.G. Khan Campus, Dera Ghazi Khan 32200, Pakistan
| | - Khurshid Ayub
- Department of Chemistry, COMSATS University, Abbottabad 22060, Pakistan
| | - Abdul Sattar
- Department of Chemistry, University of Education Lahore, D.G. Khan Campus, Dera Ghazi Khan 32200, Pakistan
| | - Muhammad Kaleem Ahmad
- Department of Biosciences, COMSATS Institute of Information and Technology Islamabad, Sahiwal campus, Pakistan
| | - Zobia Irshad
- Graduate School, Department of Chemistry, Chosun University, Gwangju 501-759, Republic of Korea
| | - Muhammad Adnan
- Graduate School, Department of Chemistry, Chosun University, Gwangju 501-759, Republic of Korea.
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Jadoon T, Mahmood T, Ayub K. Silver cluster (Ag 6) decorated coronene as non-enzymatic sensor for glucose and H 2O 2. J Mol Graph Model 2020; 103:107824. [PMID: 33360482 DOI: 10.1016/j.jmgm.2020.107824] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Revised: 12/04/2020] [Accepted: 12/08/2020] [Indexed: 01/09/2023]
Abstract
Silver-graphene quantum dots are promising electrochemical sensors due to their unique electronic properties. Herein, we report the comprehensive DFT study to explore the electronic properties of silver cluster (Ag6) decorated coronene as model for silver graphene quantum dots. The current study aims to investigate the sensing ability of silver-coronene complex for non-enzymatic electrochemical detection of glucose & H2O2. The stability of the complexes of analytes with silver decorated coronene is supported by their greater interaction energies (-36.7 to -44.9 kcal mol-1). NBO charge analysis and charge decomposition analysis (CDA) reveal donor-acceptor charge transfer interactions in the complexes. Frontier molecular orbital analysis illustrates that charge is transferred from analytes to silver decorated coronene during excitation from HOMO to LUMO. The Uv-visible results show that λmax is red shifted during interactions of analytes with silver decorated coronene. The NCI analysis illustrates the strong non-covalent (M … O) and unusual M … H-O interactions in the complexes. The precedent sensing performance of Ag6-coronene might be attributed to the synergistic effect of both silver clusters and coronene in the composite. The evaluated results validate the excellent sensing ability of silver-graphene quantum dots for the detection of glucose & H2O2. The outcome of the current study and its prospects will open the avenue for the rational development of smart sensors.
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Affiliation(s)
- Tabish Jadoon
- Department of Chemistry, COMSATS University Abbottabad Campus, 22060, Pakistan
| | - Tariq Mahmood
- Department of Chemistry, COMSATS University Abbottabad Campus, 22060, Pakistan
| | - Khurshid Ayub
- Department of Chemistry, COMSATS University Abbottabad Campus, 22060, Pakistan.
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Siddique SA, Siddique MBA, Hussain R, Liu X, Mehboob MY, Irshad Z, Adnan M. Efficient tuning of triphenylamine-based donor materials for high-efficiency organic solar cells. COMPUT THEOR CHEM 2020. [DOI: 10.1016/j.comptc.2020.113045] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Younas F, Mehboob MY, Ayub K, Hussain R, Umar A, Khan MU, Irshad Z, Adnan M. Efficient Cu Decorated Inorganic B 12P 12 Nanoclusters for Sensing Toxic COCl 2 Gas: A Detailed DFT Study. JOURNAL OF COMPUTATIONAL BIOPHYSICS AND CHEMISTRY 2020. [DOI: 10.1142/s273741652150006x] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Gas sensing materials have been widely explored recently owing to their versatile environmental and agriculture monitoring applications. Phosgene (COCl2) is a toxic and harmful gas, therefore, a reliable and sensitive technique is required for monitoring its quantity in the atmosphere. In this study, pure as well as copper decorated B[Formula: see text]P[Formula: see text](Cu-BP) nanoclusters were analyzed using DFT method to investigate their specific potential for phosgene gas adsorption. Cu interaction resulted in three optimized geometries S1, S2 and S3 with interaction energies of [Formula: see text]234.52[Formula: see text]kJ/mol, [Formula: see text]214.59[Formula: see text]kJ/mol and [Formula: see text]266.45[Formula: see text]kJ/mol, respectively. In all these three cases, the COCl2 prefers to interact at the top of the cage. The phosgene molecule (COCl2) interacts with bare nanocage at a distance of 3.22[Formula: see text]Å with interaction energy of [Formula: see text]6.22[Formula: see text]kJ/mol, while the observed interaction energies of phosgene at Cu decorated B[Formula: see text]P[Formula: see text] are [Formula: see text]76.90[Formula: see text]kJ/mol, [Formula: see text]119.03[Formula: see text]kJ/mol and [Formula: see text]29.60[Formula: see text]kJ/mol, respectively. To observe the variations in electronic structure, fermi level, molecular electrostatic potential (MEP), frontier molecular orbitals (FMOs), natural bonding orbital ([Formula: see text]), softness, hardness, chemical potential and electrophilicity are calculated before and after phosgene adsorption. Energy gap reduce significantly after phosgene adsorption from 2.31[Formula: see text]eV, 2.05[Formula: see text]eV and 2.46[Formula: see text]eV to 1.54[Formula: see text]eV, 1.57[Formula: see text]eV and 2.45[Formula: see text]eV, respectively. Results of all analysis suggested that decoration of Cu significantly enhanced the adsorption power of B[Formula: see text]P[Formula: see text] nan-cluster for COCl2 molecule. Therefore, the Cu-decorated B[Formula: see text]P[Formula: see text] nanocages are considered as potential candidates for application in COCl2 sensors.
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Affiliation(s)
- Faiza Younas
- Department of Chemistry, University of Okara, Okara-56300, Pakistan
| | | | - Khurshid Ayub
- Department of Chemistry, COMSATS University, Abbottabad Campus, Abbottabad 22060, Pakistan
| | - Riaz Hussain
- Department of Chemistry, University of Okara, Okara-56300, Pakistan
| | - Ali Umar
- Department of Chemistry, University of Okara, Okara-56300, Pakistan
| | | | - Zobia Irshad
- Graduate School, Department of Chemistry, Chosun University, Gwangju 501-759, Republic of Korea
| | - Muhammad Adnan
- Graduate School, Department of Chemistry, Chosun University, Gwangju 501-759, Republic of Korea
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Hussain R, Imran M, Mehboob MY, Ali M, Hussain R, Khan MU, Ayub K, Yawer MA, Saleem M, Irfan A. Exploration of adsorption behavior, electronic nature and NLO response of hydrogen adsorbed Alkali metals (Li, Na and K) encapsulated Al12N12 nanocages. JOURNAL OF THEORETICAL & COMPUTATIONAL CHEMISTRY 2020. [DOI: 10.1142/s0219633620500315] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Due to the increasing demand of Al[Formula: see text]N[Formula: see text] in optoelectronics and sensing materials, we intended to investigate the adsorption behavior, electronic nature and NLO response of hydrogen and different metals decorated Al[Formula: see text]N[Formula: see text] nanocages. Different systems are designed by hydrogen adsorption and encapsulation of metals (Li, Na and K) in Al[Formula: see text]N[Formula: see text]. Density functional theory at B3LYP functional with conjunction of 6-31G([Formula: see text], [Formula: see text] basis set is utilized in order to gain optimized geometries. Different calculations including linear and first-order hyperpolarizability are conducted at same level of theory. Instead of chemiosorption, a phyisosorption phenomenon is seen in all hydrogen adsorbed metal encapsulated Al[Formula: see text]N[Formula: see text] nanoclusters. The [Formula: see text] analysis confirmed the charge separation in hydrogen adsorbed metal encapsulated nanocages. Molecular electrostatic potential (MEP) analysis cleared the different charge sites in all the systems. Similarly, frontier molecular orbitals analysis corroborated the charge densities shifting upon hydrogen adsorption on metal encapsulated AlN nanocages. HOMO–LUMO band gaps suggest effective use of H2-M-AlN in sensing materials. Global indices of reactivity also endorsed that all hydrogen adsorbed metal encapsulated systems are better materials than pure Al[Formula: see text]N[Formula: see text] nanocage for sensing applications. Lastly, linear and first hyperpolarizability of H2-M-AlN nanocages are found to be greater than M-AlN and pure AlN nanocages. Results of these parameters recommend metal encapsulated nanocages as efficient contributors for the applications in hydrogen sensing and optoelectronic devices.
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Affiliation(s)
- Riaz Hussain
- Department of Chemistry, University of Education, Lahore, Campus Dera Ghazi Khan 32200, Punjab, Pakistan
| | - Muhammad Imran
- Research Center for Advanced Materials Science, King Khalid University, P. O. Box 9004, Abha 61413, Saudi Arabia
- Department of Chemistry Faculty of Science, King Khalid University, P. O. Box 9004, Abha 61413, Saudi Arabia
| | | | - Muhammad Ali
- Department of Chemistry, University of Education, Lahore, Campus Dera Ghazi Khan 32200, Punjab, Pakistan
| | - Riaz Hussain
- Department of Chemistry, University of Okara, Okara, 56300, Pakistan
| | | | - Khurshid Ayub
- Department of Chemistry, COMSATS Institute of Information Technology, Abbottabad 22060, Pakistan
| | - Mirza Arfan Yawer
- Department of Chemistry, University of Education, Lahore, Campus Dera Ghazi Khan 32200, Punjab, Pakistan
| | - Muhammad Saleem
- Department of Chemistry, University of Education, Lahore, Campus Dera Ghazi Khan 32200, Punjab, Pakistan
| | - Ahmad Irfan
- Research Center for Advanced Materials Science, King Khalid University, P. O. Box 9004, Abha 61413, Saudi Arabia
- Department of Chemistry Faculty of Science, King Khalid University, P. O. Box 9004, Abha 61413, Saudi Arabia
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Mehboob MY, Khan MU, Hussain R, Fatima R, Irshad Z, Adnan M. Designing of near-infrared sensitive asymmetric small molecular donors for high-efficiency organic solar cells. JOURNAL OF THEORETICAL & COMPUTATIONAL CHEMISTRY 2020. [DOI: 10.1142/s0219633620500340] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Herein, we have designed four small molecular donors (SMDs) with Donor–Acceptor–Acceptor (D–Á–A) backbone having different acceptor units for highly efficient organic solar cells (OSCs). The specific molecular modeling has been made by replacing the additional acceptor unit (A) of recently synthesized TPA-DAA-MDN molecule (R) by employing different highly efficient acceptor units in order to improve the photovoltaic performances of the molecules. A theoretical approach (DFT and TD-DFT) has been applied to investigate the photophysical, opto-electronic and photovoltaic parameters of the designed molecules (DAA1–DAA4) and compared with the reference molecule (R). The red-shifting absorption of SMDs is the most important factor for highly efficient OSCs. Our all formulated molecules showed a red shifted absorption spectrum and also exhibit near IR sensitivity. Acceptor unit modification of R molecule causes reduction in HOMO-LUMO energy gap; therefore, all designed molecules offer better opto-electronic properties as compared to R molecule. A variety of certain critical factors essential for efficient SMDs like frontier molecular orbitals (FMOs), absorption maxima, dipole moment, exciton binding energy along with transition density matrix, excitation energy, open circuit voltages and charge mobilities of (DAA1–DAA4) and R have also been investigated. Generally, low values of reorganizational energy (hole and electron) offer high charge mobility and our all designed molecules are enriched in this aspect. High open circuit voltage values, low excitation energies, large dipole moment values indicate that our designed SMDs are suitable candidates for high-efficiency OSCs. Furthermore, conceptualized molecules are superior and thus are suggested to experimentalist for out-looking future progresses of highly efficient OSCs devices.
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Affiliation(s)
| | - Muhammad Usman Khan
- Department of Chemistry, University of Okara, Okara-56300, Pakistan
- Department of Applied Chemistry, Government College University, Faisalabad-38000, Pakistan
| | - Riaz Hussain
- Department of Chemistry, University of Okara, Okara-56300, Pakistan
| | - Rafia Fatima
- Department of Chemistry, The University of Lahore, Lahore, Pakistan
| | - Zobia Irshad
- Graduate School, Department of Chemistry, Chosun University, Gwangju, 501-759, Republic of Korea
| | - Muhammad Adnan
- Graduate School, Department of Chemistry, Chosun University, Gwangju, 501-759, Republic of Korea
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Mehboob MY, Hussain R, Khan MU, Adnan M, Umar A, Alvi MU, Ahmed M, Khalid M, Iqbal J, Akhtar MN, Zafar F, Shahi MN. Designing N-phenylaniline-triazol configured donor materials with promising optoelectronic properties for high-efficiency solar cells. COMPUT THEOR CHEM 2020. [DOI: 10.1016/j.comptc.2020.112908] [Citation(s) in RCA: 67] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Khan MU, Mehboob MY, Hussain R, Fatima R, Tahir MS, Khalid M, Braga AAC. Molecular designing of high‐performance 3D star‐shaped electron acceptors containing a truxene core for nonfullerene organic solar cells. J PHYS ORG CHEM 2020. [DOI: 10.1002/poc.4119] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Muhammad Usman Khan
- Department of Chemistry University of Okara Okara Pakistan
- Department of Applied Chemistry Government College University Faisalabad Pakistan
| | | | - Riaz Hussain
- Department of Chemistry University of Okara Okara Pakistan
| | - Rafia Fatima
- Department of Chemistry University of Lahore Lahore Pakistan
| | - Muhammad Suleman Tahir
- Department of Chemistry Khwaja Fareed University of Engineering and Information Technology Rahim Yar Khan Pakistan
| | - Muhammad Khalid
- Department of Chemistry Khwaja Fareed University of Engineering and Information Technology Rahim Yar Khan Pakistan
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