Inorganic Chemistry Communications最新文献_第9页

Exploring electronic structure and photophysical properties of metalloporphyrin-based metal–organic frameworks for photocatalysis: A quantum chemistry study

IF 4.4 3区化学

Inorganic Chemistry Communications Pub Date : 2025-02-01 DOI: 10.1016/j.inoche.2024.113635

Yoan Hidalgo-Rosa , Mario Saavedra-Torres , Bryan D. Koivisto , Manuel A. Treto-Suárez , Dayán Páez-Hernández , Ximena Zarate , Eduardo Schott

{"title":"Exploring electronic structure and photophysical properties of metalloporphyrin-based metal–organic frameworks for photocatalysis: A quantum chemistry study","authors":"Yoan Hidalgo-Rosa , Mario Saavedra-Torres , Bryan D. Koivisto , Manuel A. Treto-Suárez , Dayán Páez-Hernández , Ximena Zarate , Eduardo Schott","doi":"10.1016/j.inoche.2024.113635","DOIUrl":"10.1016/j.inoche.2024.113635","url":null,"abstract":"<div><div>Hydrogen production is gaining interest as a clean energy source, with photocatalytic water-splitting being a key method due to its eco-friendly nature. Metalloporphyrins-based MOFs (TCPP(M)-MOFs), due to their tunable optical properties, are excellent materials for hydrogen evolution via water-splitting using sunlight. In this research, TCPP(M)-MOFs containing nodes based on metal ion d<sup>10</sup> Zn<sup>2+</sup> and TCPP(M) as linkers (M = Fe<sup>2+</sup>, Ni<sup>2+</sup>, Co<sup>2+</sup>and Cu<sup>2+</sup>) has been studied using theoretical approach. The electronic structure and optical properties of all Zn-TCPP(M)-MOFs were investigated using the density functional theory (DFT) and periodic-DFT calculations. The study revealed a bandgap reduction related to the open-shell metals in the TCPP linker, with an optimal value for the photocatalytic process under sunlight. TD-DFT calculations show that the inclusion of open shell ions enhances the linker-centered ligand-to-metal charge transfer process. Finally, it was suggested some directions for the design of new melloporphyrine-based MOFs, potentially leading to new materials for photocatalytic water-splitting.</div></div>","PeriodicalId":13609,"journal":{"name":"Inorganic Chemistry Communications","volume":"172 ","pages":"Article 113635"},"PeriodicalIF":4.4,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143103171","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Synthesis, crystal structure and magnetic properties of a new Cu(II) dimer, containing 1,3,5-tris(4-carboxylphenyl)benzene and 5–5′dimethyl-2,2′dipyridyl

IF 4.4 3区化学

Inorganic Chemistry Communications Pub Date : 2025-02-01 DOI: 10.1016/j.inoche.2024.113670

Georges Q. Saade , Henrique V.P. Hollauer , Renata Diniz , Sonia Letichevsky , Rodrigo Souza , Davor L. Mariano , Luís Ghivelder , Stéphane Soriano , Odivaldo C. Alves , Lívia B.L. Escobar

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Structural design of dual Z-scheme GCN/CdO/CaFe2O4 ternary heterojunction with high visible light activity: Photocatalytic performance and mechanism in the degradation of Congo red dye

IF 4.4 3区化学

Inorganic Chemistry Communications Pub Date : 2025-02-01 DOI: 10.1016/j.inoche.2024.113697

Anita Sudhaik , Rohit Kumar , Shivangi Sharma , Akshay Sharma , Sushma Devi , Pankaj Raizada , Quyet Van Le , Tansir Ahamad , Van-Huy Nguyen , Pardeep Singh

{"title":"Structural design of dual Z-scheme GCN/CdO/CaFe2O4 ternary heterojunction with high visible light activity: Photocatalytic performance and mechanism in the degradation of Congo red dye","authors":"Anita Sudhaik , Rohit Kumar , Shivangi Sharma , Akshay Sharma , Sushma Devi , Pankaj Raizada , Quyet Van Le , Tansir Ahamad , Van-Huy Nguyen , Pardeep Singh","doi":"10.1016/j.inoche.2024.113697","DOIUrl":"10.1016/j.inoche.2024.113697","url":null,"abstract":"<div><div>Recently, the photocatalysis process has emerged as a favourable wastewater treatment approach. Therefore, we constructed a novel visible-light-driven magnetic ternary heterojunction of GCN/CdO/CaFe<sub>2</sub>O<sub>4</sub> photocatalyst for Congo red (CR) dye degradation. This work employed facile and cost-effective methods to fabricate all photocatalysts. g-C<sub>3</sub>N<sub>4</sub> was synthesized via thermal polycondensation, while CdO and CaFe<sub>2</sub>O<sub>4</sub> were fabricated using co-precipitation. Similarly, the co-precipitation method constructed binary (GCN/CdO) and ternary heterojunction of GCN/CdO/CaFe<sub>2</sub>O<sub>4</sub>. The dual Z-scheme heterojunction charge transferal path led to a lower recombination rate and boosted charge separation efficiency with prolonged light absorption, which enhanced the photodegradation ability. The obtained CR degradation efficiency of GCN/CdO/CaFe<sub>2</sub>O<sub>4</sub> dual Z-scheme ternary heterojunction was 88 % within 60 min of light irradiation, more remarkable than other photocatalysts. ESR and scavenging tests confirmed the vital role of <sup>•</sup>O<sub>2</sub><sup>−</sup>, and <sup>•</sup>OH radicals during CR degradation. Additionally, the magnetic nature of ternary heterojunction caused excellent separation of photocatalysts, which resulted in good stability and recyclability with 80 % removal efficiency even after 5 catalytic cycles (confirmed by reusability/recyclability test).</div></div>","PeriodicalId":13609,"journal":{"name":"Inorganic Chemistry Communications","volume":"172 ","pages":"Article 113697"},"PeriodicalIF":4.4,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143102738","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

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Doped hydroxyapatite photocatalyst for efficient degradation of Methylene blue dye

IF 4.4 3区化学

Inorganic Chemistry Communications Pub Date : 2025-02-01 DOI: 10.1016/j.inoche.2024.113684

Shafaq Arif , Hira Fatima , Jawaria Tahir , M.S. Anwar

{"title":"Doped hydroxyapatite photocatalyst for efficient degradation of Methylene blue dye","authors":"Shafaq Arif , Hira Fatima , Jawaria Tahir , M.S. Anwar","doi":"10.1016/j.inoche.2024.113684","DOIUrl":"10.1016/j.inoche.2024.113684","url":null,"abstract":"<div><div>Extensively increasing discharge of organic pollutants and industrial dyes in water necessitates the development of eco-friendly, cost-effective, and sustainable techniques for wastewater treatment. Here, we report the photocatalytic degradation activity of biocompatible and non-toxic copper-doped hydroxyapatite (Cu-HAp) against Methylene blue (MB) dye. A series of Cu-HAp samples were successfully synthesized using the coprecipitation method with varying concentrations of Cu dopant (0, 0.15 %, 0.35 %, 0.55 %, and 0.75 %) on a molar basis. Structural, morphological, and optical properties of Cu-HAp samples were characterized systematically. X-ray diffraction analysis confirmed the hexagonal structure of Cu-HAp. In addition, the EDS results confirmed the presence of Cu dopant in HAp samples. The optical bandgap of HAp decreased from 5.08 to 3.36 eV with increasing the concentration of Cu-dopant up to 0.75 mol%. We observed more than 80 % degradation efficiency for MB dye with 160 min of sunlight exposure. Moreover, the pseudo-first-order- rate constant increased from 0.00218 (HAp) to 0.00935 min<sup>−1</sup> (0.75 % Cu-HAp). Our results showed the recyclability and stability of the Cu-HAp photocatalyst followed by four cycles of dye degradation testing. The current study highlights the potential of Cu-HAp to be used as a photocatalyst for wastewater treatment.</div></div>","PeriodicalId":13609,"journal":{"name":"Inorganic Chemistry Communications","volume":"172 ","pages":"Article 113684"},"PeriodicalIF":4.4,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143102968","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

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Tuning of heterostructured nanomaterial from Sr and P co-doped TiO2 mediated by beta-cyclodextrin – A visible light sensitized photocatalyst: For dyes and microbial degradation

IF 4.4 3区化学

Inorganic Chemistry Communications Pub Date : 2025-02-01 DOI: 10.1016/j.inoche.2024.113725

Raffiunnisa , Siva Rao Tirukkovalluri , Shaik Abdul Alim , Nageswararao Kadiyala , Divya Gorli , Genji Jai Sree , Sai Supriya Singupilla , Ravichandra Matangi

{"title":"Tuning of heterostructured nanomaterial from Sr and P co-doped TiO2 mediated by beta-cyclodextrin – A visible light sensitized photocatalyst: For dyes and microbial degradation","authors":"Raffiunnisa , Siva Rao Tirukkovalluri , Shaik Abdul Alim , Nageswararao Kadiyala , Divya Gorli , Genji Jai Sree , Sai Supriya Singupilla , Ravichandra Matangi","doi":"10.1016/j.inoche.2024.113725","DOIUrl":"10.1016/j.inoche.2024.113725","url":null,"abstract":"<div><div>A heterostructured Sr and P-doped TiO<sub>2</sub> nanomaterial was fabricated using a beta-cyclodextrin-mediated sol–gel approach for the Rose Bengal dye and microbe degradation. The characterization results of the synthesized semiconductor nanocatalysts indicated that the twin doping of Sr and P in TiO<sub>2</sub> led to a reduction in the band gap, as analyzed by UV–Vis DRS, and confirmed the presence of the anatase phase, as analyzed by P-XRD. The band gap energies of the synthesized catalyst were measured by UV–Vis DRS, with values of 2.76 eV for SPT-3 and 2.52 eV for SPT-3BC-2. The particle size of the sample SPT3-BC-2 (4.6 nm), surface area 178.87 m<sup>2</sup>/g, pore volume (0.2206 cm<sup>3</sup>/g), and size of the pore (29 nm) were determined using TEM and BET surface area analyzers, respectively. The substitutional doping of Sr and P dopants into the TiO<sub>2</sub> lattice was also assessed simultaneously by FTIR and XPS. SEM-EDX and XRF were utilized to assess the morphology and composition of the SPT-3-BC-2 catalyst elements. Electrochemical impedance spectroscopy and VB XPS were used to fix the flat band potential at the low energy valence band and the high energy conduction band to fix the reduced band gap. Photoluminescence was also implied to assess the formation of OH radicals and reduced e<sup>−</sup>-hole recombination. Finally, evaluated the efficiency of SPT-3-BC-2 by degradation of Rosebengal dye and studied its antimicrobial activity.</div></div>","PeriodicalId":13609,"journal":{"name":"Inorganic Chemistry Communications","volume":"172 ","pages":"Article 113725"},"PeriodicalIF":4.4,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143103207","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

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CeO2/MnFe2O4 nanocomposite: Structural, magnetic, electrochemical and cytotoxicity properties

IF 4.4 3区化学

Inorganic Chemistry Communications Pub Date : 2025-02-01 DOI: 10.1016/j.inoche.2024.113624

Ala Manohar , Thirukachhi Suvarna , S.V. Prabhakar Vattikuti , Hemanth P.K. Sudhani , Panchanathan Manivasagan , Eue-Soon Jang , M. Atif , Ashok Kumar , Kuldeep Sharma , Naresh Mameda , Ki Hyeon Kim

{"title":"CeO2/MnFe2O4 nanocomposite: Structural, magnetic, electrochemical and cytotoxicity properties","authors":"Ala Manohar , Thirukachhi Suvarna , S.V. Prabhakar Vattikuti , Hemanth P.K. Sudhani , Panchanathan Manivasagan , Eue-Soon Jang , M. Atif , Ashok Kumar , Kuldeep Sharma , Naresh Mameda , Ki Hyeon Kim","doi":"10.1016/j.inoche.2024.113624","DOIUrl":"10.1016/j.inoche.2024.113624","url":null,"abstract":"<div><div>The synthesis and characterization of CeO<sub>2</sub>/MnFe<sub>2</sub>O<sub>4</sub> nanocomposite is significant due to its potential uses in various sectors, including environment and energy storage. This nanocomposite, created through calcination at 600 °C, has received a lot of interest. However, worries about potential cytotoxicity have encouraged studies into its safe use in biological systems. This study investigates the material’s cytotoxic properties to determine its impact on cell health. Electrochemical testing revealed good capacitance performance within the 0–0.5 V potential window, with a specific capacitance (Cs) of 76 F/g at a current density of 0.25 A/g, making it a prospective candidate for supercapacitor (SC) development. Despite the higher current density of 5 A/g, the electrode maintained 81.28 % of its capacitance retention. These findings highlight the nanocomposite’s potential in SC applications. Furthermore, cell viability studies with normal mouse muscle fibroblasts (BLO-11) and murine colorectal cancer cells (CT-26) demonstrated high biocompatibility, with cell survival rates exceeding 82 %. These findings highlight the need to assess nanocomposite safety for potential biological applications.</div></div>","PeriodicalId":13609,"journal":{"name":"Inorganic Chemistry Communications","volume":"172 ","pages":"Article 113624"},"PeriodicalIF":4.4,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143103215","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

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Synthesis of silicone material organo-cured with thiourea and methyl methacrylate for heavy metals adsorption from polluted water

IF 4.4 3区化学

Inorganic Chemistry Communications Pub Date : 2025-02-01 DOI: 10.1016/j.inoche.2024.113714

Magd M. Badr , Mohamed S. Selim , Walid Mohamed Youssef

{"title":"Synthesis of silicone material organo-cured with thiourea and methyl methacrylate for heavy metals adsorption from polluted water","authors":"Magd M. Badr , Mohamed S. Selim , Walid Mohamed Youssef","doi":"10.1016/j.inoche.2024.113714","DOIUrl":"10.1016/j.inoche.2024.113714","url":null,"abstract":"<div><div>For the first time, a novel solid adsorbent of silicone rubber modified with thiourea and methyl methacrylate polymeric material was developed for Mn(II) and Fe(III) adsorption from wastewater.</div><div>Since these two elements Mn(II) and Fe(III) represent a very big problem in the drinking water resulting from treatment from the technology station during some stages, in this way they are used again in agriculture and also for human use. Before crosslinking the polymer chains, methyl methacrylate (as partial hydrogen bonding cross-linking sites) quickly interacted with thiourea groups, resulting in rapid curing. The polymeric adsorbent’s structure was investigated by XRD, FTIR, SEM, EDX, and Brunauer, Emmett, and Teller analyses. The polymeric material’s adsorption efficiency for Mn(II) and Fe(III) from wastewater has been studied by XRF. The adsorption factors (including contact time, pH, temperature, and metal concentration) were extensively examined. The adsorption optimized conditions were elucidated to study the structure–property relationship. The material’s maximum adsorption capacity was 14 for Mn(II) and 29 mg/g for Fe(III). Reusability studying is 3 stage, A pseudo-second-order mechanism was recycled in the adsorption of Mn(II) and Fe(III) of wastewater, which followed the Langmuir isotherm model. The obtained thermodynamic factors (such as ΔH°, ΔG°, and ΔS°) demonstrated that Mn(II) and Fe(III) were adsorbed exothermically and spontaneously. A novel porous silicone-thiourea-methyl methacrylate blend showed outstanding adsorption efficiency for Mn(II) and Fe(III) adsorption.</div></div>","PeriodicalId":13609,"journal":{"name":"Inorganic Chemistry Communications","volume":"172 ","pages":"Article 113714"},"PeriodicalIF":4.4,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143103544","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

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Synergistic effect of Cu and Ag on porous (Cu, Ag) co-doped CeO2 nanosheets for low-temperature CO oxidation

IF 4.4 3区化学

Inorganic Chemistry Communications Pub Date : 2025-02-01 DOI: 10.1016/j.inoche.2024.113729

Chaochuang Yin , Yizhu Lei , Hong Wu , Yane Xu , Hongchao Luo , Hu Wang

{"title":"Synergistic effect of Cu and Ag on porous (Cu, Ag) co-doped CeO2 nanosheets for low-temperature CO oxidation","authors":"Chaochuang Yin , Yizhu Lei , Hong Wu , Yane Xu , Hongchao Luo , Hu Wang","doi":"10.1016/j.inoche.2024.113729","DOIUrl":"10.1016/j.inoche.2024.113729","url":null,"abstract":"<div><div>CeO<sub>2</sub> with porous nanosheet structure was prepared by changing the calcination environment. The prepared CeO<sub>2</sub> nanosheets had high specific surface area and porosity, which was suitable for supporting other active components. By the same synthesis conditions, a small amount of Cu and Ag was introduced into the synthesis system of CeO<sub>2</sub> nanosheets respectively. The introduction of Cu or Ag did not significantly change the morphology of the prepared CeO<sub>2</sub> nanosheets, but it notably improved the catalytic activity for CO oxidation. Therefore, considering the significant improvement of catalytic performance caused by the single doping of Cu or Ag, (Cu, Ag) were co-doped into the CeO<sub>2</sub> system. The analysis of physical structure (XRD, BET, SEM and TEM) and surface chemical properties (XPS, Raman and H<sub>2</sub>-TPR) showed that the (Cu, Ag) co-doping not only improved the dispersion of Cu and Ag species on the catalyst surface, but also increased the Ag<sup>0</sup> and oxygen vacancies on the catalyst surface. The smaller Ag<sup>0</sup> crystallite size and the abundant oxygen vacancies made the catalyst easier to activate O<sub>2</sub> at low temperature, so the activity of the catalyst at low temperature was significantly enhanced compared to the CeO<sub>2</sub> singly doped with Cu or Ag. At the same time, the high dispersion of Cu-Ag species was conducive to electron transfer between Cu-Ag species and CeO<sub>2</sub> support.</div></div>","PeriodicalId":13609,"journal":{"name":"Inorganic Chemistry Communications","volume":"172 ","pages":"Article 113729"},"PeriodicalIF":4.4,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143103549","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Application and regeneration of magnetic material MgAlLDH@Fe3O4 humic acid with removal capacity for malachite green

IF 4.4 3区化学

Inorganic Chemistry Communications Pub Date : 2025-02-01 DOI: 10.1016/j.inoche.2024.113669

Nur Ahmad , Tomohito Kameda , Mir Tamzid Rahman , Aldes Lesbani

{"title":"Application and regeneration of magnetic material MgAlLDH@Fe3O4 humic acid with removal capacity for malachite green","authors":"Nur Ahmad , Tomohito Kameda , Mir Tamzid Rahman , Aldes Lesbani","doi":"10.1016/j.inoche.2024.113669","DOIUrl":"10.1016/j.inoche.2024.113669","url":null,"abstract":"<div><div>Malachite green (MG), a dye in wastewater, pollutes the natural environment, and it is difficult to eliminate dyes from aquatic systems. MgAlLDH-magnetite humic acid (Mg3Al@M2HA) was prepared for MG adsorption via coprecipitation and hydrothermal methods. The adsorption was performed using the batch adsorption method at the pH of the point of zero charge (8.33), with an optimum contact time of 120 min and a maximum concentration of 100 mg/L of MG. Furthermore, the pseudo-second-order and Langmuir models were better fitted to the kinetic and isotherm models, respectively. The maximum monolayer adsorption capacity for MG on Mg3Al@M2HA at 313 K was 113.6 mg/g. The calculated thermodynamic parameters (<span><math><mi>Δ</mi></math></span> H = 18.524 kJ/mol, <span><math><mi>Δ</mi></math></span> S = 0.076 J/Kmol, <span><math><mi>Δ</mi></math></span> G = − 4.586 to − 6.111 kJ/mol) implied that the MG adsorption was spontaneous, endothermic, and had degrees of randomness in the temperature range of 303–323 K. Moreover, the ΔH was less than 40 kJ/mol, confirming that the combination of MG with Mg3Al@M2HAwas due to the physisorption with electrostatic interaction, hydrogen bonding, and π–π interaction. Recycling experiments showed that the MG removal rate was 82.55 % after 5 cycles. This study provides new insights into Mg3Al@M2HA and its potential applications for MG adsorption.</div></div>","PeriodicalId":13609,"journal":{"name":"Inorganic Chemistry Communications","volume":"172 ","pages":"Article 113669"},"PeriodicalIF":4.4,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143103678","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Tailoring MoSe2-hybrid polymer composites for optimized electrocatalytic activity in dye-sensitized solar cells (DSSCs)

IF 4.4 3区化学

Inorganic Chemistry Communications Pub Date : 2025-02-01 DOI: 10.1016/j.inoche.2024.113570

Shivam Kashyap , Usama Ansari , Deepak Poddar , Ankita Singh , Anjana Sarkar , Deepali Jain

{"title":"Tailoring MoSe2-hybrid polymer composites for optimized electrocatalytic activity in dye-sensitized solar cells (DSSCs)","authors":"Shivam Kashyap , Usama Ansari , Deepak Poddar , Ankita Singh , Anjana Sarkar , Deepali Jain","doi":"10.1016/j.inoche.2024.113570","DOIUrl":"10.1016/j.inoche.2024.113570","url":null,"abstract":"<div><div>Polymers have consistently proven to be a convenient option for enhancing the catalytic characteristics of Molybdenum diselenide. Opting for the correct choice facilitates permanent exfoliation, enhances the available space on the surface, and improves the adaptability of the dichalcogenide. In this study, the researchers utilized two highly advantageous conducting polymers, namely poly(3,4-ethylenedioxythiophene) (PD) and polyaniline (Pn), to enhance the efficiency of MoSe<sub>2</sub> in the dye-sensitized solar cell. Optimal percentage is crucial for achieving a uniformly distributed, consistent, and well-separated system that improves the electrocatalytic sites and conductive properties while providing flexibility through PD. Furthermore, PD is employed independently, without the assistance of a secondary polymer. The produced composite’s purity, morphology, and surface area were examined using X-ray diffraction, field emission scanning electron microscopy, and Brunauer-Emmett-Teller analysis. Electrochemical investigations reveal that composites display outstanding electrocatalytic performance, rapid electron transfer rate, and enhanced current flow compared to unadorned materials. The devices’ photovoltaic performance was assessed by employing a typical solar simulator set at an intensity of 1 Sun (AM 1.5 G). The electrochemical investigation of the fabricated hybrid system demonstrates the efficacy of a high level of electrocatalysis and excellent device performance with a photoconversion efficiency of 8.65 %. This makes it an effective and affordable choice for a counter electrode in DSSCs.</div></div>","PeriodicalId":13609,"journal":{"name":"Inorganic Chemistry Communications","volume":"172 ","pages":"Article 113570"},"PeriodicalIF":4.4,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143103695","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0