ACS Applied Energy Materials最新文献

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Employees' Reactions to a Citizen Incivility Climate: A Multilevel Multisource Study. 员工对公民不文明氛围的反应:一项多层次、多来源的研究
IF 4.2 3区 材料科学
ACS Applied Energy Materials Pub Date : 2024-12-01 Epub Date: 2023-05-24 DOI: 10.1177/0734371X231175336
Sylvie Guerrero, Marie-Ève Lapalme, Kathleen Bentein
{"title":"Employees' Reactions to a Citizen Incivility Climate: A Multilevel Multisource Study.","authors":"Sylvie Guerrero, Marie-Ève Lapalme, Kathleen Bentein","doi":"10.1177/0734371X231175336","DOIUrl":"10.1177/0734371X231175336","url":null,"abstract":"<p><p>Although public service employees are regularly exposed to uncivil behavior by citizens, we still know little about the effects of these incivilities. This study aims to examine the reactions of public employees who work in a climate of citizen incivility. Using a multilevel multisource design, we examine the indirect effects of citizen incivility climate on employee withdrawal and helping behaviors via job tension, and test the moderating influence of employees' public service motivation on these relationships. Our analyses were performed using data collected from a sample of 734 employees and 77 supervisors working in Canadian public libraries. Results show that public servants who work in a climate of citizen incivility experience greater job tension and consequently show more withdrawal and less helping behaviors. Our results also show that public service motivation acts as a buffer against the detrimental effects of incivility climate on helping behaviors, but not against withdrawal.</p>","PeriodicalId":4,"journal":{"name":"ACS Applied Energy Materials","volume":" ","pages":"821-841"},"PeriodicalIF":4.2,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11481042/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41752446","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
A Longitudinal Dynamic Perspective on Quality in Journalism: Investigating the Long-Term Macro-Level Media Effect of Suicide Reporting on Suicide Rates Across a Century. 新闻质量的纵向动态视角:调查一个世纪以来自杀报道对自杀率的长期宏观媒体影响
IF 4.9 3区 材料科学
ACS Applied Energy Materials Pub Date : 2024-12-01 Epub Date: 2023-03-27 DOI: 10.1177/00936502221150315
Manina Mestas, Florian Arendt
{"title":"A Longitudinal Dynamic Perspective on Quality in Journalism: Investigating the Long-Term Macro-Level Media Effect of Suicide Reporting on Suicide Rates Across a Century.","authors":"Manina Mestas, Florian Arendt","doi":"10.1177/00936502221150315","DOIUrl":"10.1177/00936502221150315","url":null,"abstract":"<p><p>Quality of journalism is not a stable phenomenon, yet there is limited longitudinal evidence. We provide a content analysis of news reporting over a whole century within a specific thematic context: suicide reporting. Quality is a key dimension in this context as low-quality reporting is associated with imitative suicides (Werther effect). We took a historical perspective: suicide rates increased in many countries during the 19th century, with suicide reporting hypothesized as a contributory factor. Conducting the first longitudinal study of journalism quality that examines an entire century, we manually coded <i>N</i> = 14,638 articles. Our analyses indicated a strong nonlinear increase in low-quality reporting. Importantly, a high quantity of low-quality reporting predicted annual increases in suicide rates, a finding which is consistent with the idea of a long-term macro-level media effect. Despite limitations in causal interpretations, the findings support recommendations for high-quality suicide reporting in current media guidelines.</p>","PeriodicalId":4,"journal":{"name":"ACS Applied Energy Materials","volume":" ","pages":"927-951"},"PeriodicalIF":4.9,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11537977/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42990997","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
Study rationale and baseline data for pilot trial of dronabinol adjunctive treatment of agitation in Alzheimer's dementia (THC-AD). 屈大麻酚辅助治疗阿尔茨海默氏症痴呆症(THC-AD)躁动试点试验的研究原理和基线数据。
IF 5.4 3区 材料科学
ACS Applied Energy Materials Pub Date : 2024-12-01 Epub Date: 2021-10-11 DOI: 10.1017/S1041610221001150
Leah M Cohen, Eleanor Ash, John D Outen, Ryan Vandrey, Halima Amjad, Marc Agronin, M Haroon Burhanullah, Patricia Walsh, James M Wilkins, Jeannie-Marie Leoutsakos, Milap A Nowrangi, David Harper, Paul B Rosenberg, Brent P Forester
{"title":"Study rationale and baseline data for pilot trial of dronabinol adjunctive treatment of agitation in Alzheimer's dementia (THC-AD).","authors":"Leah M Cohen, Eleanor Ash, John D Outen, Ryan Vandrey, Halima Amjad, Marc Agronin, M Haroon Burhanullah, Patricia Walsh, James M Wilkins, Jeannie-Marie Leoutsakos, Milap A Nowrangi, David Harper, Paul B Rosenberg, Brent P Forester","doi":"10.1017/S1041610221001150","DOIUrl":"10.1017/S1041610221001150","url":null,"abstract":"<p><p>Agitation is a common complication of Alzheimer's dementia (Agit-AD) associated with substantial morbidity, high healthcare service utilization, and adverse emotional and physical impact on care partners. There are currently no FDA-approved pharmacological treatments for Agit-AD. We present the study design and baseline data for an ongoing multisite, three-week, double-blind, placebo-controlled, randomized clinical trial of dronabinol (synthetic tetrahydrocannabinol [THC]), titrated to a dose of 10 mg daily, in 80 participants to examine the safety and efficacy of dronabinol as an adjunctive treatment for Agit-AD. Preliminary findings for 44 participants enrolled thus far show a predominately female, white sample with advanced cognitive impairment (Mini Mental Status Examination mean 7.8) and agitation (Neuropsychiatric Inventory-Clinician Agitation subscale mean 14.1). Adjustments to study design in light of the COVID-19 pandemic are described. Findings from this study will provide guidance for the clinical utility of dronabinol for Agit-AD. ClinicalTrials.gov Identifier: NCT02792257.</p>","PeriodicalId":4,"journal":{"name":"ACS Applied Energy Materials","volume":" ","pages":"1245-1250"},"PeriodicalIF":5.4,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39504140","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
Functional Concurrent Regression Mixture Models Using Spiked Ewens-Pitman Attraction Priors. 使用尖刺Ewens-Pitman吸引先验的功能并发回归混合模型
IF 5.4 3区 材料科学
ACS Applied Energy Materials Pub Date : 2024-12-01 Epub Date: 2023-05-02 DOI: 10.1214/23-ba1380
Mingrui Liang, Matthew D Koslovsky, Emily T Hébert, Michael S Businelle, Marina Vannucci
{"title":"Functional Concurrent Regression Mixture Models Using Spiked Ewens-Pitman Attraction Priors.","authors":"Mingrui Liang, Matthew D Koslovsky, Emily T Hébert, Michael S Businelle, Marina Vannucci","doi":"10.1214/23-ba1380","DOIUrl":"10.1214/23-ba1380","url":null,"abstract":"<p><p>Functional concurrent, or varying-coefficient, regression models are a form of functional data analysis methods in which functional covariates and outcomes are collected concurrently. Two active areas of research for this class of models are identifying influential functional covariates and clustering their relations across observations. In various applications, researchers have applied and developed methods to address these objectives separately. However, no approach currently performs both tasks simultaneously. In this paper, we propose a fully Bayesian functional concurrent regression mixture model that simultaneously performs functional variable selection and clustering for subject-specific trajectories. Our approach introduces a novel spiked Ewens-Pitman attraction prior that identifies and clusters subjects' trajectories marginally for each functional covariate while using similarities in subjects' auxiliary covariate patterns to inform clustering allocation. Using simulated data, we evaluate the clustering, variable selection, and parameter estimation performance of our approach and compare its performance with alternative spiked processes. We then apply our method to functional data collected in a novel, smartphone-based smoking cessation intervention study to investigate individual-level dynamic relations between smoking behaviors and potential risk factors.</p>","PeriodicalId":4,"journal":{"name":"ACS Applied Energy Materials","volume":" ","pages":"1067-1095"},"PeriodicalIF":5.4,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11507269/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43506288","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
Corrosion-Engineered Room-Temperature Deposition of NiMoO4/NiS/Ni(OH)2 at Nickel Foam: An Efficient Strategy and Electrocatalyst for the Oxygen Evolution Reaction
IF 5.4 3区 材料科学
ACS Applied Energy Materials Pub Date : 2024-11-30 DOI: 10.1021/acsaem.4c0162710.1021/acsaem.4c01627
Marilia B. Dalla Benetta, Eithne Dempsey and Carmel B. Breslin*, 
{"title":"Corrosion-Engineered Room-Temperature Deposition of NiMoO4/NiS/Ni(OH)2 at Nickel Foam: An Efficient Strategy and Electrocatalyst for the Oxygen Evolution Reaction","authors":"Marilia B. Dalla Benetta,&nbsp;Eithne Dempsey and Carmel B. Breslin*,&nbsp;","doi":"10.1021/acsaem.4c0162710.1021/acsaem.4c01627","DOIUrl":"https://doi.org/10.1021/acsaem.4c01627https://doi.org/10.1021/acsaem.4c01627","url":null,"abstract":"<p >The oxygen evolution reaction (OER) tends to limit the rate of electrolysis of water. Accordingly, there is much interest in the development of electrocatalysts for this important half-reaction. Herein, a NiMoO<sub>4</sub>/NiS/Ni(OH)<sub>2</sub> composite was nucleated directly at a nickel foam electrode at room temperature and used as an effective electrocatalyst for the OER. The NiMoO<sub>4</sub>/NiS/Ni(OH)<sub>2</sub> composite was formed in an aqueous solution of thiomolybdate (2.5 mM) dissolved in a 0.1 M acetate solution at a pH of 7.5. Its formation was facilitated through the hydrolysis of the thiomolybdate and corrosion of the nickel foam. Highly adherent deposits of NiMoO<sub>4</sub>/NiS/Ni(OH)<sub>2</sub> were formed at the nickel foam surface and throughout the porous foam network to give an electrochemical active surface area that was approximately 11-fold higher than that of the pristine foam. The OER activity of the NF/NiMoO<sub>4</sub>/NiS/Ni(OH)<sub>2</sub> was studied in an alkaline 1.0 M KOH solution. An onset potential of 1.47 V vs RHE and a Tafel slope of 110 mV dec<sup>–1</sup> were observed. The potential required to deliver a current density of 50 mA cm<sup>–2</sup> was 1.56 V vs RHE. Finally, NiMoO<sub>4</sub>/NiS/Ni(OH)<sub>2</sub> exhibited very good stability over a 16 h period.</p>","PeriodicalId":4,"journal":{"name":"ACS Applied Energy Materials","volume":"7 24","pages":"11703–11713 11703–11713"},"PeriodicalIF":5.4,"publicationDate":"2024-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.acs.org/doi/epdf/10.1021/acsaem.4c01627","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142870141","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
Z-Scheme Transfer Path of Charges in the BiVO4/Bi:ZnIn2S4-Co Photoanode for Photoelectrochemical Water Splitting
IF 5.4 3区 材料科学
ACS Applied Energy Materials Pub Date : 2024-11-30 DOI: 10.1021/acsaem.4c0234210.1021/acsaem.4c02342
Xinyang Fu, Yixin Qi, Yanan Zhao, Weibing Li* and Yaping Zhang*, 
{"title":"Z-Scheme Transfer Path of Charges in the BiVO4/Bi:ZnIn2S4-Co Photoanode for Photoelectrochemical Water Splitting","authors":"Xinyang Fu,&nbsp;Yixin Qi,&nbsp;Yanan Zhao,&nbsp;Weibing Li* and Yaping Zhang*,&nbsp;","doi":"10.1021/acsaem.4c0234210.1021/acsaem.4c02342","DOIUrl":"https://doi.org/10.1021/acsaem.4c02342https://doi.org/10.1021/acsaem.4c02342","url":null,"abstract":"<p >The significant carrier recombination occurring in the bulk of BiVO<sub>4</sub> is a primary factor limiting the enhancement of its photoelectrochemical performance. To address this issue, we have incorporated two-dimensional (2D) nanosheet morphology Bi:ZnIn<sub>2</sub>S<sub>4</sub> and Co sites onto the surface of BiVO<sub>4</sub> to create an effective composite photoanode. According to the ultraviolet-visible diffuse reflectance spectroscopy and ultraviolet photoelectron spectroscopy results, it was inferred that a Z-scheme transfer path of charges was formed between BiVO<sub>4</sub> and Bi:ZnIn<sub>2</sub>S<sub>4</sub>, which promoted the separation of bulk phase carriers. Additionally, the 2D topography of Bi:ZnIn<sub>2</sub>S<sub>4</sub> also shortens the transmission distance of the carriers. Furthermore, the presence of Co sites provides more active sites for the surface hydrolysis reaction to proceed. Ultimately, under AM1.5G illumination, the photocurrent density of the BiVO<sub>4</sub>/Bi:ZnIn<sub>2</sub>S<sub>4</sub>-Co photoanode reaches 3.6 mA cm<sup>–2</sup> at 1.23 V vs reversible hydrogen electrodes.</p>","PeriodicalId":4,"journal":{"name":"ACS Applied Energy Materials","volume":"7 24","pages":"11946–11953 11946–11953"},"PeriodicalIF":5.4,"publicationDate":"2024-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142875032","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
Trivalent Metal Chloride Doping for Interfacial Passivation and Enhanced Charge Transfer in Wide Bandgap Perovskite Solar Cells
IF 5.4 3区 材料科学
ACS Applied Energy Materials Pub Date : 2024-11-30 DOI: 10.1021/acsaem.4c0215710.1021/acsaem.4c02157
Yieon Park, Ryosuke Nishikubo*, Mikhail Pylnev, Ryoji Shimomura and Akinori Saeki*, 
{"title":"Trivalent Metal Chloride Doping for Interfacial Passivation and Enhanced Charge Transfer in Wide Bandgap Perovskite Solar Cells","authors":"Yieon Park,&nbsp;Ryosuke Nishikubo*,&nbsp;Mikhail Pylnev,&nbsp;Ryoji Shimomura and Akinori Saeki*,&nbsp;","doi":"10.1021/acsaem.4c0215710.1021/acsaem.4c02157","DOIUrl":"https://doi.org/10.1021/acsaem.4c02157https://doi.org/10.1021/acsaem.4c02157","url":null,"abstract":"<p >Wide-bandgap (WBG) perovskites with high Br content suffer from halide segregation owing to defect-promoting ion migration. The resultant phase segregation causes energy and charge transfer from Br-rich to I-rich areas, resulting in a large voltage loss in WBG perovskite solar cells (PSCs). Herein, we report the multifunctional effects of trivalent metal chloride doping on the efficiency, stability, and charge transfer of WBG PSCs, which were monitored by using in situ photoabsorption and photoluminescence (PL) spectroscopy. Among the examined dopants (BiCl<sub>3</sub>, SbCl<sub>3</sub>, and InCl<sub>3</sub>), InCl<sub>3</sub> effectively passivated the surface of the perovskite grains and prevented halide segregation with the addition of a small amount (1 mol %) to the precursor solutions. Consequently, the In-doped FA<sub>0.8</sub>MA<sub>0.15</sub>Cs<sub>0.05</sub>PbI<sub>2</sub>Br PSC (FA: formamidinium; MA: methylammonium; band gap: 1.73 eV) improved its power conversion efficiency from 16.06 to 17.54% owing to passivation and enhanced electron transfer at the bottom interface. Furthermore, the In-doped PSC exhibited dramatically improved stability during storage and voltage scanning. Our work highlights the critical role of dopants in the formation of WBG perovskite films and their electronic properties, offering a way to improve and stabilize WBG PSCs.</p>","PeriodicalId":4,"journal":{"name":"ACS Applied Energy Materials","volume":"7 24","pages":"11818–11826 11818–11826"},"PeriodicalIF":5.4,"publicationDate":"2024-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142870139","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
Promoting Hydrogen Evolution Reaction in Acidic and Neutral Conditions on Co-Based Ternary Electrocatalyst: Enhancing Catalytic Activity via Electrochemical Oxidation
IF 5.4 3区 材料科学
ACS Applied Energy Materials Pub Date : 2024-11-30 DOI: 10.1021/acsaem.4c0229310.1021/acsaem.4c02293
Soyeon Lim, Deok-Hye Park, Hyewon Jin, Jaeyeon Park, Yeosol Yoon, Soo-Kil Kim, Kyung-Won Park* and Taeho Lim*, 
{"title":"Promoting Hydrogen Evolution Reaction in Acidic and Neutral Conditions on Co-Based Ternary Electrocatalyst: Enhancing Catalytic Activity via Electrochemical Oxidation","authors":"Soyeon Lim,&nbsp;Deok-Hye Park,&nbsp;Hyewon Jin,&nbsp;Jaeyeon Park,&nbsp;Yeosol Yoon,&nbsp;Soo-Kil Kim,&nbsp;Kyung-Won Park* and Taeho Lim*,&nbsp;","doi":"10.1021/acsaem.4c0229310.1021/acsaem.4c02293","DOIUrl":"https://doi.org/10.1021/acsaem.4c02293https://doi.org/10.1021/acsaem.4c02293","url":null,"abstract":"<p >Water electrolysis presents significant potential for the sustainable production of green hydrogen. However, its widespread adoption faces several challenges, primarily the high cost and limited availability of Pt-group metal catalysts. To address this challenge, researchers have investigated high-performance catalysts based on affordable transition metals. One such catalyst that has attracted attention is CuCoMo, known for its notable activity and stability in the hydrogen evolution reaction (HER) under alkaline conditions. In this study, we presents an electrodeposited CuCoMo catalyst that is also effective for HER under both acidic and neutral conditions. The catalytic performance was significantly enhanced through electrochemical oxidation. This post-treatment process alters the structure and chemical state of the catalyst surface, enhancing its effectiveness in promoting HER under acidic and neutral environments. The modified catalyst demonstrated overpotentials of 25 and 28 mV, achieving a current density of 10 mA cm<sup>–2</sup> in acidic and neutral conditions, respectively. Furthermore, the catalyst’s performance was assessed in a single cell, where it achieved a current density of 1.05 A cm<sup>–2</sup> at 2.0 V using deionized water as the feedstock. The catalyst exhibited superior HER activity in both half-cell and single-cell evaluations, highlighting its potential as efficient alternative to Pt for practical water electrolyzers.</p>","PeriodicalId":4,"journal":{"name":"ACS Applied Energy Materials","volume":"7 24","pages":"11929–11936 11929–11936"},"PeriodicalIF":5.4,"publicationDate":"2024-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142875061","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
Porous Cobalt–Nickel Binary Oxide Nanosheets for Electrochemical Glycerol Oxidation
IF 5.4 3区 材料科学
ACS Applied Energy Materials Pub Date : 2024-11-29 DOI: 10.1021/acsaem.4c0199510.1021/acsaem.4c01995
Biplab Kumar Manna, Rajib Samanta and Sudip Barman*, 
{"title":"Porous Cobalt–Nickel Binary Oxide Nanosheets for Electrochemical Glycerol Oxidation","authors":"Biplab Kumar Manna,&nbsp;Rajib Samanta and Sudip Barman*,&nbsp;","doi":"10.1021/acsaem.4c0199510.1021/acsaem.4c01995","DOIUrl":"https://doi.org/10.1021/acsaem.4c01995https://doi.org/10.1021/acsaem.4c01995","url":null,"abstract":"<p >The substitution of the oxygen evolution reaction (OER) with more valuable anodic reactions (like the glycerol oxidation reaction; GOR) not only reduces the cell voltage for hydrogen production in the cathode but also provides more value-added products in the anode. The GOR provides an effective way to form value-added chemicals; for example, formic acid, glycolic acid, glyceraldehyde, glyceric acid, etc. Nevertheless, the current difficulty with catalysts are that they have low oxidation activity and low conversion ratio. In this regard, three-dimensional amorphous NiCoO<sub><i>x</i></sub>/CN<sub><i>x</i></sub>-300 nanosheets were synthesized for electrochemical glycerol oxidation. The catalyst exhibits greater activity toward electrochemical glycerol oxidation with a very low potential of 1.24 V (vs RHE) at 10 mA/cm<sup>2</sup> current density. It also shows a very high faradaic efficiency of ∼97% (formic acid of 87% and glycolic acid of 10%) at 1.5 V (RHE) potential along with a high selectivity of ∼89.7% towards formic acid production. The commercial Pt/C∥NiCoO<sub><i>x</i></sub>/CN<sub><i>x</i></sub>-300 (HER∥GOR) electrolyzer needs only 250 mV lower potential to reach 10 mA/cm<sup>2</sup> current density compared to conventional water splitting. Additionally, the electrolyzer is stable up to 48 h at 1.7 V cell potential, reducing 14.7% energy consumption compared to traditional water splitting. We also demonstrate that OH* adsorption on the catalytic surface plays an important role in glycerol oxidation. This work provides fascinating details to design cost-effective transition metal-based electrocatalysts for glycerol oxidation to form value-added products as well as low energy consumption for cathodic hydrogen production.</p>","PeriodicalId":4,"journal":{"name":"ACS Applied Energy Materials","volume":"7 24","pages":"11787–11798 11787–11798"},"PeriodicalIF":5.4,"publicationDate":"2024-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142875036","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
Facile One-Pot Synthesis of Silicon Carbide-Carbon Supported Gold Nanoparticles (Au/SiC-C) as a Durable Electrocatalyst for Electrochemical Oxygen Reduction Reaction
IF 5.4 3区 材料科学
ACS Applied Energy Materials Pub Date : 2024-11-28 DOI: 10.1021/acsaem.4c0210810.1021/acsaem.4c02108
N. Mohanapriya,  and , Naveen Chandrasekaran*, 
{"title":"Facile One-Pot Synthesis of Silicon Carbide-Carbon Supported Gold Nanoparticles (Au/SiC-C) as a Durable Electrocatalyst for Electrochemical Oxygen Reduction Reaction","authors":"N. Mohanapriya,&nbsp; and ,&nbsp;Naveen Chandrasekaran*,&nbsp;","doi":"10.1021/acsaem.4c0210810.1021/acsaem.4c02108","DOIUrl":"https://doi.org/10.1021/acsaem.4c02108https://doi.org/10.1021/acsaem.4c02108","url":null,"abstract":"<p >This study presents a simple one-pot method to synthesize gold nanoparticles supported on a silicon carbide-carbon nanocomposite (Au/SiC-C) as an efficient electrocatalyst for the oxygen reduction reaction (ORR) in an alkaline medium. The SiC-C support was prepared by carbothermal reduction of an iminosilane-resorcinol (ISR) composite, formed by the reaction of 3-aminopropyl triethoxysilane (APTES) with acetone and resorcinol. During ISR formation, the Au precursor was incorporated to produce ISR-supported gold nanoparticles (Au/ISR), which were subsequently transformed into Au/SiC-C. Here, imine groups in ISR served as reducing agents, eliminating the need for conventional reducing agents to convert Au<sup>3+</sup> ions to Au nanoparticles. The formation of Au/ISR and Au/SiC-C was confirmed by using X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), and Raman spectroscopy. The Au/SiC-C catalyst exhibited effective ORR activity under alkaline conditions, achieving direct 4e<sup>–</sup> transfer with minimal H<sub>2</sub>O<sub>2</sub> production.</p>","PeriodicalId":4,"journal":{"name":"ACS Applied Energy Materials","volume":"7 24","pages":"11807–11817 11807–11817"},"PeriodicalIF":5.4,"publicationDate":"2024-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142875031","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
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