FlatChem最新文献_第8页

Tailoring tin sulfide electrocatalyst with petroleum coke derived reduced graphene oxide for overall water splitting 利用石油焦衍生的还原氧化石墨烯定制硫化锡电催化剂，实现整体水分离

IF 6.2 3区材料科学

FlatChem Pub Date : 2024-05-31 DOI: 10.1016/j.flatc.2024.100689

Chandan Kumar , Thangjam Ibomcha Singh , Pinky Saharan , Ashish Gupta , Jogender Singh , Mandeep Singh , S.R. Dhakate

{"title":"Tailoring tin sulfide electrocatalyst with petroleum coke derived reduced graphene oxide for overall water splitting","authors":"Chandan Kumar , Thangjam Ibomcha Singh , Pinky Saharan , Ashish Gupta , Jogender Singh , Mandeep Singh , S.R. Dhakate","doi":"10.1016/j.flatc.2024.100689","DOIUrl":"https://doi.org/10.1016/j.flatc.2024.100689","url":null,"abstract":"<div>Metal chalcogenides like Tin sulfide (SnS2) presents as viable alternative electrocatalysts for alkaline water splitting (AWS) due to their huge abundance, stability, and environment friendly nature. However, insufficient exposed active sites and poor conductivity severely impede its large-scale applications. In this work, an in-situ hybridization of hexagonal SnS2 with intercalation of reduced graphene oxide nanosheets (TS-rGOx) overcomes the problem of SnS2 stacking. It further enhances the interlayer spacing thereby boosting the number of active sites. The resulting TS-rGOx exhibited excellent oxygen evolution reaction (OER) and hydrogen evolution reaction (HER) activities demanding low overpotential of 313 mV and 196.2 mV at 20 mA/cm2 with long term durability upto 60 h, which can be attributed to enhanced interlayer spacing of SnS2, abundant active sites and higher conductivity resulting from the in-situ hybridization and intercalation of rGO nanosheets. This work opens a prospect towards the design and application of efficient SnS2 based heterostructuredelectrocatalystfor AWS.</div>","PeriodicalId":316,"journal":{"name":"FlatChem","volume":"46 ","pages":"Article 100689"},"PeriodicalIF":6.2,"publicationDate":"2024-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141241316","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Electrodeposition of Au nanoparticles on ITO/PDAC/2H-MoS2 electrode for sensitive determination of bisphenol-A 在 ITO/PDAC/2H-MoS2 电极上电沉积金纳米粒子，用于灵敏测定双酚-A

IF 6.2 3区材料科学

FlatChem Pub Date : 2024-05-27 DOI: 10.1016/j.flatc.2024.100690

Fernando H. O. Alves , Marcos A. Gross , Marco A. Souza , Marcelo A. Pereira-da-Silva , Leonardo G. Paterno

{"title":"Electrodeposition of Au nanoparticles on ITO/PDAC/2H-MoS2 electrode for sensitive determination of bisphenol-A","authors":"Fernando H. O. Alves , Marcos A. Gross , Marco A. Souza , Marcelo A. Pereira-da-Silva , Leonardo G. Paterno","doi":"10.1016/j.flatc.2024.100690","DOIUrl":"10.1016/j.flatc.2024.100690","url":null,"abstract":"<div>Exfoliated 2H-MoS2 holds a promising future for various electrochemical applications. Nevertheless, its electrical conductivity and electrocatalytic efficiency are limited, restricting its standalone use. To address this limitation, this study proposes the electrochemical deposition of gold nanoparticles on layer-by-layer films of poly(diallyl dimethylammonium) hydrochloride interspersed with exfoliated 2H-MoS2, previously assembled on ITO substrate. This modified electrode, denoted as ITO/PDAC/2H-MoS2/Au, was assessed for its effectiveness in the voltametric detection of bisphenol-A (BPA). The optimal electrode architecture demonstrated a linear BPA detection range (0.9 µM-19 µM; R2 > 0.99), with a limit of detection of 23 nM. Notably, the electrochemical deposition was effective on both bare and film modified ITO substrates. However, it was on the ITO/PDAC/2H-MoS2/Au electrode that BPA detection achieved a reasonable level of sensitivity. During electrodeposition, superficial Mo(IV) is oxidized to Mo(VI) while sulfur vacancies are generated. These defect sites enhance the electrochemical activity of 2H-MoS2 and play a pivotal role in nucleating, growing, and immobilizing gold nanoparticles, which collectively enhance the sensor’s performance.</div>","PeriodicalId":316,"journal":{"name":"FlatChem","volume":"46 ","pages":"Article 100690"},"PeriodicalIF":6.2,"publicationDate":"2024-05-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141188347","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Investigating and optimizing the variation of selenium infused MoS2 as electrode material for supercapacitor applications 研究和优化超级电容器应用中作为电极材料的渗硒 MoS2 的变化

IF 6.2 3区材料科学

FlatChem Pub Date : 2024-05-27 DOI: 10.1016/j.flatc.2024.100688

Pardeep Khichi , Priya Siwach , Latisha Gaba , Vijay Kumar , Jagdish Kumar , Anil Ohlan , Rahul Tripathi

{"title":"Investigating and optimizing the variation of selenium infused MoS2 as electrode material for supercapacitor applications","authors":"Pardeep Khichi , Priya Siwach , Latisha Gaba , Vijay Kumar , Jagdish Kumar , Anil Ohlan , Rahul Tripathi","doi":"10.1016/j.flatc.2024.100688","DOIUrl":"10.1016/j.flatc.2024.100688","url":null,"abstract":"<div>Molybdenum disulfide (MoS2) has been immensely explored for its potential usage in energy storage applications owing to its high theoretical specific capacitance and layered structure. Here, we have investigated the effect of selenium addition in MoS2 forming MoS2(1-x)Se2x alloys and studied their electrochemical performance. Selenization was performed through a simple hydrothermal method. The electrochemical performance of MoS1Se1 was evaluated in a two-electrode configuration. The selenization is found to improve the electrochemical performance of MoS2 and the MoS1Se1 alloy with the optimal S (sulfur) to Se (selenium) ratio of 1:1 exhibits an excellent areal capacitance of 2629.45 mF/cm2 at 1 mA/cm2, with an appreciable specific capacitance of 266.51 F/g at a current density of 0.5 A/g and excellent cycle stability of 81.64 % after 6000 cycles. Along with the experimental findings, Density functional theory calculations were also performed, revealing that the electronic properties of MoSSe systems can be tuned by varying the ratio of S and Se.</div>","PeriodicalId":316,"journal":{"name":"FlatChem","volume":"46 ","pages":"Article 100688"},"PeriodicalIF":6.2,"publicationDate":"2024-05-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141188351","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Seeded growth of PdPtAg-on-Au heterogeneous nanoplates for efficient methanol oxidation Reaction: Interface engineering in quaternary metallic electrocatalysts 用于高效甲醇氧化的 PdPtAg-on-Au 异质纳米板的种子生长反应：季金属电催化剂的界面工程

IF 6.2 3区材料科学

FlatChem Pub Date : 2024-05-21 DOI: 10.1016/j.flatc.2024.100674

Yuanyuan Min , Na Zhao , Yingying Wang , Yanyun Ma , Yiqun Zheng

{"title":"Seeded growth of PdPtAg-on-Au heterogeneous nanoplates for efficient methanol oxidation Reaction: Interface engineering in quaternary metallic electrocatalysts","authors":"Yuanyuan Min , Na Zhao , Yingying Wang , Yanyun Ma , Yiqun Zheng","doi":"10.1016/j.flatc.2024.100674","DOIUrl":"10.1016/j.flatc.2024.100674","url":null,"abstract":"<div>Interface engineering plays a critical role in the development of high-efficient fuel cell catalysts, as the interfaces across different components can synergistically and substantially accelerate electrocatalysis kinetics, together with improvement in mass transfer and structural stability. In this study, we report a feasible strategy to create PdPtAg-on-Au heterogenous nanoplates (PdPtAg-on-Au HNPs) and validate their structural advantages in electrocatalysis. By limiting the doping of Au nanoplates with Pt/Ag atoms on the surface and subsequently depositing Pd nanodots in a highly scattered pattern, abundant multimetallic interfaces form and enhance the methanol oxidation reaction (MOR) electrocatalytic process. The optimized PdPtAg-on-Au HNPs/C electrocatalysts exhibited superior mass activity, improved reaction kinetics, and long-term durability compared to commercial Pt/C. DFT simulations suggest that the chemical surrounding of the Pd/Pt catalytic active center with AuAg atoms can lower the reaction barrier and CO binding affinity. This work provides a feasible synthetic strategy for preparing multimetallic fuel cell electrocatalysts with advanced control over heterogeneous structures, highlighting the potential of interface engineering in the rational design of electrocatalysts.</div>","PeriodicalId":316,"journal":{"name":"FlatChem","volume":"46 ","pages":"Article 100674"},"PeriodicalIF":6.2,"publicationDate":"2024-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141134834","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Direct laser writing of MnOx decorated laser-induced graphene on paper for sustainable microsupercapacitor fabrication 在纸上直接激光写入氧化锰装饰的激光诱导石墨烯，实现可持续微型超级电容器制造

IF 6.2 3区材料科学

FlatChem Pub Date : 2024-05-16 DOI: 10.1016/j.flatc.2024.100672

Rodrigo Abreu , Maykel dos Santos Klem , Tomás Pinheiro , Joana Vaz Pinto , Neri Alves , Rodrigo Martins , Emanuel Carlos , João Coelho

{"title":"Direct laser writing of MnOx decorated laser-induced graphene on paper for sustainable microsupercapacitor fabrication","authors":"Rodrigo Abreu , Maykel dos Santos Klem , Tomás Pinheiro , Joana Vaz Pinto , Neri Alves , Rodrigo Martins , Emanuel Carlos , João Coelho","doi":"10.1016/j.flatc.2024.100672","DOIUrl":"10.1016/j.flatc.2024.100672","url":null,"abstract":"<div>Laser-induced graphene (LIG) on paper is a popular choice for fabricating flexible micro-supercapacitors (MSCs) as it is a simple and sustainable process. However, carbon-based MSC electrodes have limited energy densities. To address this challenge, this study presents a highly reproducible and cost-effective method for decorating manganese oxide (MnOx) on interdigital LIG MSC electrodes, fabricated via a single-step direct laser writing (DLW) process on paper substrates. The paper fibers embedded with MnOx precursors are transformed into graphene through laser processing while reducing the salt, resulting in the formation of MnOx-LIG. The resulting MnOx-LIG-MSC exhibits a specific capacitance of 12.30 mF cm−2 (0.05 mA cm−2) with a 60 % retention at 1000 bending cycles (30°), due to the pseudocapacitive contribution of MnOx. Furthermore, the devices exhibit high electrochemical stability, retaining 190 % of the initial specific capacitance after 10,000 cycles, and a high energy density of 2.6 μWh cm−2 (at a power of 0.109 mW cm−2). The study demonstrates that manganese oxide-based LIG-MSCs have the potential to be used as energy storage devices for portable, low-cost, and flexible paper electronics.</div>","PeriodicalId":316,"journal":{"name":"FlatChem","volume":"46 ","pages":"Article 100672"},"PeriodicalIF":6.2,"publicationDate":"2024-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2452262724000667/pdfft?md5=16cdfd673b7374620198963808407249&pid=1-s2.0-S2452262724000667-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141060753","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Chlorinated graphene and graphene nanoribbons: A density functional theory study 氯化石墨烯和石墨烯纳米带：密度泛函理论研究

IF 6.2 3区材料科学

FlatChem Pub Date : 2024-05-14 DOI: 10.1016/j.flatc.2024.100670

Florentino López-Urías , Juan L. Fajardo-Díaz , Verónica L. Medina-Llamas , Armando D. Martínez-Iniesta , Morinobu Endo , Emilio Muñoz-Sandoval

{"title":"Chlorinated graphene and graphene nanoribbons: A density functional theory study","authors":"Florentino López-Urías , Juan L. Fajardo-Díaz , Verónica L. Medina-Llamas , Armando D. Martínez-Iniesta , Morinobu Endo , Emilio Muñoz-Sandoval","doi":"10.1016/j.flatc.2024.100670","DOIUrl":"10.1016/j.flatc.2024.100670","url":null,"abstract":"<div>Functional groups based on halides, such as fluorine (F), chlorine (Cl), bromine (Br), and iodine (I), are crucial for understanding the chemical reactivity of graphitic nanomaterials. Except for I, halogens exhibit electronegativity greater than carbon (C); therefore, charge transfer from carbon to halogen is expected. First-principles density functional theory calculations were performed to determine the role of different Cl-functional groups (methyl-trichloride, ethyl-trichloride, chloride, acyl-chloride, vinyl-chloride, acetyl hypochlorite, chloramines, sulfonyl chloride, and more) on the electronic properties of graphene and graphene nanoribbons (GNRs). GNRs with zigzag edges (ZGNRs) and armchair edges (AGNRs) were studied. We analyzed the optimized structures, band structure, density of states, cohesive energy, and band gap. Our results revealed that the based-Cl functional groups can provide an alternative route to activate the borders and surfaces of sp2 carbon materials. Methyl-trichloride and acyl-chloride can induce magnetism and metallicity. Chloride and acyl-chloride are the most energetically stable functional groups attached to the edges. Surprisingly, methyl-trichloride or acyl-chloride functionalizing the surface of the AGNRs showed a direct (indirect) band gap for states with spin-up (spin-down). The results of aromatic (chlorobenzene- and dichlorobenzene-like structures) functionalization considering F, Cl, Br, and I are also shown. Finally, –F2 and –ClF functionalization cases are discussed.</div>","PeriodicalId":316,"journal":{"name":"FlatChem","volume":"46 ","pages":"Article 100670"},"PeriodicalIF":6.2,"publicationDate":"2024-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141041715","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Graphene quantum dots (GQDs)-modified screen-printed electrode for the determination of cannabidiol (CBD) in hemp seeds flour 石墨烯量子点 (GQDs) 改性丝网印刷电极用于测定大麻籽粉中的大麻二酚 (CBD)

IF 6.2 3区材料科学

FlatChem Pub Date : 2024-05-13 DOI: 10.1016/j.flatc.2024.100673

Khouloud Abid , Angelo Ferlazzo , Giovanni Neri

{"title":"Graphene quantum dots (GQDs)-modified screen-printed electrode for the determination of cannabidiol (CBD) in hemp seeds flour","authors":"Khouloud Abid , Angelo Ferlazzo , Giovanni Neri","doi":"10.1016/j.flatc.2024.100673","DOIUrl":"10.1016/j.flatc.2024.100673","url":null,"abstract":"<div>In this work, the development of a graphene quantum dots (GQDs)-modified screen-printed carbon (SPCE) electrode for the determination of cannabidiol (CBD), a cannabinoid present in the Cannabis L. Sativa (hemp) plant, is reported. This cannabinoid is non-intoxicating and non-psychoactive, thus CBD-containing drugs as well as CBD-containing foods, are now on the market in many countries due to their health-beneficial effects and pharmacological activities. Because of the increasing interest in analyzing CBD in these real samples, we analyzed here a sample of hemp flour that was used for testing the developed CBD electrochemical sensor. Preliminary work devoted to optimizing the analysis conditions, allowed to development of a GQDs-modified electrode with promising characteristics for the simple screening of CBD. The electroanalytical tests for CBD detection showed a sensitivity of 0.98 μAμM-1 cm−2, which is increased by 2-folder compared to bare SPCE, and a limit of detection (LOD) equal to 0.277 μM. The developed GQDs/SPCE sensor and the analysis procedure were then applied for the CBD analysis in a hemp seeds flour sample. Based on the results obtained, the advantages/disadvantages evidenced by operating with the developed electrochemical sensor in the analysis of CBD in real samples were discussed.</div>","PeriodicalId":316,"journal":{"name":"FlatChem","volume":"46 ","pages":"Article 100673"},"PeriodicalIF":6.2,"publicationDate":"2024-05-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141054379","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Large control of friction and wear enabled by Ti3AlC2 MAX- multilayer graphene-polydopamine composites 通过 Ti3AlC2 MAX 多层石墨烯-多巴胺复合材料实现摩擦和磨损的大幅控制

IF 6.2 3区材料科学

FlatChem Pub Date : 2024-05-10 DOI: 10.1016/j.flatc.2024.100671

Pankaj Bharti , Shubham Jaiswal , Rajeev Kumar , Pradip Kumar , Muhamed Shafeeq M , Anup Kumar Khare , Chetna Dhand , Neeraj Dwivedi

{"title":"Large control of friction and wear enabled by Ti3AlC2 MAX- multilayer graphene-polydopamine composites","authors":"Pankaj Bharti , Shubham Jaiswal , Rajeev Kumar , Pradip Kumar , Muhamed Shafeeq M , Anup Kumar Khare , Chetna Dhand , Neeraj Dwivedi","doi":"10.1016/j.flatc.2024.100671","DOIUrl":"https://doi.org/10.1016/j.flatc.2024.100671","url":null,"abstract":"<div>Friction and wear pose significant challenges in moving mechanical systems. Despite efforts to address these challenges with MAX phase materials, many of these materials lack effective lubrication and wear protection under ambient conditions. Here, we developed a composite coating that addresses these challenges through a combination of materials chemistry and engineering. This coating, composed of polydopamine-functionalized Ti3AlC2 MAX (F-MAX) and multilayer graphene (MGr), known as F-MAX + MGr, demonstrated exceptional tribological performance. At its best composition, the F-MAX + MGr composite coating reduced the friction at sliding interfaces by 82 % and decreased the wear on the counterpart ball by 99.76 % compared to bare surfaces. Importantly, its tribological performance surpassed that of pristine MAX, F-MAX, and MGr coatings. This improvement is attributed to the synergistic lubricating effect of the inherently low shear strengths of Ti3AlC2 MAX and MGr, the chemical properties of PDA, and the occurrence of incommensurate contacts at the interfaces. This work pioneers slippery and wear-resistant surfaces via a combination of chemical modification and materials engineering, with implications for both fundamental science and technological advancement.</div>","PeriodicalId":316,"journal":{"name":"FlatChem","volume":"46 ","pages":"Article 100671"},"PeriodicalIF":6.2,"publicationDate":"2024-05-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140951100","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

First principles study of transition metal (TM = Sc, Ti, V, Cr, Mn) doped penta-BAs5 monolayer for adsorption of CO, NH3, NO, SO2 过渡金属（TM = Sc、Ti、V、Cr、Mn）掺杂五-BAs5 单层吸附 CO、NH3、NO、SO2 的第一性原理研究

IF 6.2 3区材料科学

FlatChem Pub Date : 2024-05-09 DOI: 10.1016/j.flatc.2024.100668

Kexin Wang , Yanqing Shen , Lingling Lv , Xianghui Meng , Xiangqian Jiang , Long Pang , Peng E , Zhongxiang Zhou

{"title":"First principles study of transition metal (TM = Sc, Ti, V, Cr, Mn) doped penta-BAs5 monolayer for adsorption of CO, NH3, NO, SO2","authors":"Kexin Wang , Yanqing Shen , Lingling Lv , Xianghui Meng , Xiangqian Jiang , Long Pang , Peng E , Zhongxiang Zhou","doi":"10.1016/j.flatc.2024.100668","DOIUrl":"https://doi.org/10.1016/j.flatc.2024.100668","url":null,"abstract":"<div>In this paper, the adsorption capacity of intrinsic penta-BAs5 monolayer on CO, NH3, NO, SO2 and the effect of transition metal doping on gas sensing characteristics are systematically studied by first-principles calculations. Adsorption energy, recovery time, band structure, charge transfer and density of states (DOS) are investigated. The electronic properties and sensing mechanisms under different adsorption systems are expounded. The results showed that the intrinsic penta-BAs5 monolayer had the strongest adsorption capacity for NO and weak sensitivity to CO, NH3 and SO2, which shown strong gas selectivity. Moreover, the recovery time of NO at 380 k was 3.93 s, which was more inclined to be desorption at high temperature. In addition, Sc and Ti doping could selectively improve the adsorption capacity of the intrinsic penta-BAs5 monolayer. The charge transfer of SO2-Sc-BAs5 and CO-Ti-BAs5 were increased by 6.78 and 10.33 times compared with those before doping. The band structure and DOS show that Ti atom and CO have orbital hybridization, which improved the interaction between gases and penta-BAs5. Therefore, intrinsic penta-BAs5, Sc-BAs5 and Ti-BAs5 are suitable for gas sensing and toxic gas monitoring, and have broad application prospects.</div>","PeriodicalId":316,"journal":{"name":"FlatChem","volume":"46 ","pages":"Article 100668"},"PeriodicalIF":6.2,"publicationDate":"2024-05-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140910050","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Shining bright: B@S-codoped graphitic carbon nitride nanorods illuminate enhanced catalytic C-N bond formation under visible-light 熠熠生辉：掺杂 B@S 的氮化石墨碳纳米棒在可见光下催化 C-N 键形成的能力得到增强

IF 6.2 3区材料科学

FlatChem Pub Date : 2024-05-07 DOI: 10.1016/j.flatc.2024.100669

Neha Chaurasia , Rajesh K. Yadav , Shaifali Mishra , Rehana Shahin , Satyam Singh , Navneet K. Gupta , S.K. Pandey , Mantesh Kumari Yadav , Jin-OoK Baeg , Ahmad J. Obaidullah , Krishna Kumar Yadav

{"title":"Shining bright: B@S-codoped graphitic carbon nitride nanorods illuminate enhanced catalytic C-N bond formation under visible-light","authors":"Neha Chaurasia , Rajesh K. Yadav , Shaifali Mishra , Rehana Shahin , Satyam Singh , Navneet K. Gupta , S.K. Pandey , Mantesh Kumari Yadav , Jin-OoK Baeg , Ahmad J. Obaidullah , Krishna Kumar Yadav","doi":"10.1016/j.flatc.2024.100669","DOIUrl":"https://doi.org/10.1016/j.flatc.2024.100669","url":null,"abstract":"<div>Graphitic carbon nitride as a photocatalyst seeking attention nowadays, due to its thermal stability, band structure, and chemical properties. Herein, we reported a boron sulfur co-doped graphitic carbon nitride (B@S-g-C3N4) photocatalyst synthesized by a one-pot thermal polycondensation mechanism. However, it was observed that due to co-doping in native carbon nitride structure the photocatalytic behavior and the band structure enhanced which was capable of fascinating the demand of organic transformations i.e. photocatalytic and charge transfer capability. The synthesized B@S-g-C3N4 photocatalyst was characterized by UV–vis DRS, FT-IR, XRD, SEM, EDX, HR-TEM, XPS and electrochemical properties. In addition, the synthesized B@S-g-C3N4 photocatalyst is a metal-free carbon nitride photocatalyst proven to be highly effective in performing organic transformations (conversion yield 98 %) like C-N bond formation under visible light source.</div>","PeriodicalId":316,"journal":{"name":"FlatChem","volume":"46 ","pages":"Article 100669"},"PeriodicalIF":6.2,"publicationDate":"2024-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140894494","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0