ChemPhysMater最新文献_第5页

In-situ observation of structural evolution of single-atom catalysts: From synthesis to catalysis 原位观测单原子催化剂的结构演变：从合成到催化

ChemPhysMater Pub Date : 2024-01-01 DOI: 10.1016/j.chphma.2023.03.003

Lei Wang , Shuyuan Lyu , Shuohao Li

引用次数: 0

Transient self-assembly driven by chemical fuels 化学燃料驱动的瞬态自组装

ChemPhysMater Pub Date : 2024-01-01 DOI: 10.1016/j.chphma.2023.06.002

Ling Wang , Jin Yuan , Jingcheng Hao

{"title":"Transient self-assembly driven by chemical fuels","authors":"Ling Wang , Jin Yuan , Jingcheng Hao","doi":"10.1016/j.chphma.2023.06.002","DOIUrl":"10.1016/j.chphma.2023.06.002","url":null,"abstract":"<div>Self-assembly has been extensively studied in chemistry, physics, biology, and materials engineering and has become an important “bottom-up” approach in creating intriguing structures for different applications. Using dissipative self-assembly to construct fuel-dependent, energy-consuming, and dynamic nonequilibrium systems is important for developing intelligent life-like materials. Furthermore, dissipative self-assembly has become a research hotspot in materials chemistry, biomedical science, environmental chemistry, and physical chemistry. An in-depth understanding of the process and mechanism provides useful insights to the researchers for developing materials using dissipative self-assembly and also helps guide future innovation in material fabrication. This critical review comprehensively analyzes various chemical fuel input and energy consumption mechanisms, supported by numerous illustrative examples. Versatile transient assemblies, including gels, vesicles, micelles, and nanoparticle aggregates, have been systematically studied in our and other laboratories. The relationship between the molecular structure of precursors and temporal assemblies in dissipative self-assemblies is discussed from the perspective of physical chemistry. Using dissipative self-assembly methods to construct functional assemblies provides important implications for constructing high-energy, nonequilibrium, and intelligent functional materials.</div>","PeriodicalId":100236,"journal":{"name":"ChemPhysMater","volume":"3 1","pages":"Pages 1-23"},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2772571523000372/pdfft?md5=42bec10c071a502f3fc0034310b85116&pid=1-s2.0-S2772571523000372-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88704015","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Atomic-scale characterization of two-dimensional magnets and their heterostructures 二维磁体及其异质结构的原子尺度表征

ChemPhysMater Pub Date : 2023-10-01 DOI: 10.1016/j.chphma.2023.04.001

Yuli Huang , Mingyue Sun , Yihe Wang , Andrew Thye Shen Wee , Wei Chen

{"title":"Atomic-scale characterization of two-dimensional magnets and their heterostructures","authors":"Yuli Huang , Mingyue Sun , Yihe Wang , Andrew Thye Shen Wee , Wei Chen","doi":"10.1016/j.chphma.2023.04.001","DOIUrl":"10.1016/j.chphma.2023.04.001","url":null,"abstract":"<div>The realization of long-range magnetic ordering in two-dimensional (2D) van der Waals systems significantly expands the scope of the 2D family as well as their possible spin-related phenomena and device applications. The atomically thin nature of 2D materials makes their magnetically ordered states sensitive to local environments, and this necessitates advanced characterization at the atomic scale. Here, we briefly review several representative 2D magnetic systems, namely, iron chalcogenides, chromium chalcogenides, chromium trihalides, and their heterostructures. With powerful scanning-probe microscopy, atomically resolved characterization of their crystalline configurations, electronic structures, and magnetization distributions has been achieved, and novel phenomena such as giant tunneling magnetoresistance and topological superconductivity have been observed. Finally, we discuss the challenges and new perspectives in this flourishing field.</div>","PeriodicalId":100236,"journal":{"name":"ChemPhysMater","volume":"2 4","pages":"Pages 282-294"},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2772571523000232/pdfft?md5=6330e170d4379fce3e43ea53185c1240&pid=1-s2.0-S2772571523000232-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74165717","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Solvation number, thermochemical parameter, and viscosity study of sweeteners in aqueous and non-aqueous media through ultrasonic measurements 通过超声测量研究甜味剂在水和非水介质中的溶剂化数、热化学参数和粘度

ChemPhysMater Pub Date : 2023-10-01 DOI: 10.1016/j.chphma.2023.02.001

J.H. Rakini Chandrasekaran , S. Nithiyanantham

{"title":"Solvation number, thermochemical parameter, and viscosity study of sweeteners in aqueous and non-aqueous media through ultrasonic measurements","authors":"J.H. Rakini Chandrasekaran , S. Nithiyanantham","doi":"10.1016/j.chphma.2023.02.001","DOIUrl":"https://doi.org/10.1016/j.chphma.2023.02.001","url":null,"abstract":"<div>Ultrasonic velocity measurements are used to elucidate various aspects of solvation chemistry, including solute–solute and solute–solvent interactions. Herein, an attempt is made to study a behavior of two sweeteners, D-fructose and D-sorbitol, in aqueous and non-aqueous media was attempted. D-fructose is a simple sugar found in many foods and can be consumed by diabetics and people suffering from hypoglycemia. D-Sorbitol is a sugar substitute used in diet foods, sugar-free chewing gum, mints, cough syrups, mouthwash, toothpaste etc., D-sorbitol is an excellent humectant and texturizing agent that is also used in other products such as pharmaceuticals and cosmetics. The interactions between the solute and solvent molecules are explained in terms of the solvation numbers of both aqueous and non-aqueous solutions of D-fructose and D-sorbitol. The viscosity study correlates the viscosity of the solution with solvation; here, density, ultrasonic velocity, and viscosity of aqueous and non-aqueous solutions at various concentrations are measured at different temperatures ranging from 35 to 55 °C. These parameters provide sufficient information on the interaction between molecules that may aid chemists in analyzing the mechanisms of the behavior of D-fructose and D-sorbitol in water and the water–ethanol medium through which they are consumed. The Fourier transforms infrared spectra of pure solvent, salt, and their solutions were recorded and analyzed for confirmation.</div>","PeriodicalId":100236,"journal":{"name":"ChemPhysMater","volume":"2 4","pages":"Pages 303-314"},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2772571523000037/pdfft?md5=bf434917a83f4cd01b52b31e6dbe4685&pid=1-s2.0-S2772571523000037-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91775252","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Carbon materials for metal-ion batteries 金属离子电池用碳材料

ChemPhysMater Pub Date : 2023-10-01 DOI: 10.1016/j.chphma.2023.02.002

Zhong Qiu , Feng Cao , Guoxiang Pan , Chen Li , Minghua Chen , Yongqi Zhang , Xinping He , Yang Xia , Xinhui Xia , Wenkui Zhang

{"title":"Carbon materials for metal-ion batteries","authors":"Zhong Qiu , Feng Cao , Guoxiang Pan , Chen Li , Minghua Chen , Yongqi Zhang , Xinping He , Yang Xia , Xinhui Xia , Wenkui Zhang","doi":"10.1016/j.chphma.2023.02.002","DOIUrl":"https://doi.org/10.1016/j.chphma.2023.02.002","url":null,"abstract":"<div>Metal-ion (Li-, Na-, Zn-, K-, Mg-, and Al-ion) batteries (MIBs) play an important role in realizing the goals of “emission peak and carbon neutralization” because of their green production techniques, lower pollution, high voltage, and large energy density. Carbon-based materials are indispensable for developing MIBs and are widely adopted as active or auxiliary materials in the anodes and cathodes. For example, carbon-based materials, including graphite, Si/C and hard carbon, have been used as anode materials for Li- and Na-ion batteries. Carbon can also be used as a conductive coating for cathodes, such as in LiFePO4/C, to achieve better performance. In addition, as new high-valence MIBs (Zn-, Al-, and Mg-ion) have emerged, a growing number of novel carbon-based materials have been utilized to construct high-performance MIBs. Herein, we discuss the recent development trends in advanced carbon-based materials for MIBs. The impact of the structure properties of advanced carbon-based materials on energy storage is addressed, and a perspective on their development is also proposed.</div>","PeriodicalId":100236,"journal":{"name":"ChemPhysMater","volume":"2 4","pages":"Pages 267-281"},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2772571523000049/pdfft?md5=08740ad8415007d5629b44385abaa544&pid=1-s2.0-S2772571523000049-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91775256","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Adsorption and desorption of acetone by TiO2 clusters: Transition state theory and sensing analysis TiO2簇对丙酮的吸附与解吸:过渡态理论与传感分析

ChemPhysMater Pub Date : 2023-10-01 DOI: 10.1016/j.chphma.2023.05.001

Mudar Ahmed Abdulsattar , Tasneem Hassan Mahmood , Hussein Hakim Abed , Hayder M. Abduljalil

{"title":"Adsorption and desorption of acetone by TiO2 clusters: Transition state theory and sensing analysis","authors":"Mudar Ahmed Abdulsattar , Tasneem Hassan Mahmood , Hussein Hakim Abed , Hayder M. Abduljalil","doi":"10.1016/j.chphma.2023.05.001","DOIUrl":"10.1016/j.chphma.2023.05.001","url":null,"abstract":"<div>TiO2 cluster sensitivity to acetone adsorption using transition state theory is investigated. Ti10O20 cluster is used to perform the calculations using density functional theory with dispersion corrections. Adsorption state and transition state are calculated via thermodynamic energies, i.e., Gibbs free energy of adsorption and activation. Reaction rate, response, response time, and recovery time as a function of temperature and acetone concentration are calculated. Acetone burning in the air due to autoignition is considered using a logistic function. The results of the theory are compared with available experimental findings that revealed the quality of both theoretical and experimental results. The response time decreases with respect to acetone concentration. On the other hand, the recovery time in the desorption phase increases with acetone concentration. The temperature of maximum response is 356 °C, while the maximum response value is 2.9.</div>","PeriodicalId":100236,"journal":{"name":"ChemPhysMater","volume":"2 4","pages":"Pages 351-355"},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2772571523000244/pdfft?md5=f656ab6c5073144608863dd83231175f&pid=1-s2.0-S2772571523000244-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82209196","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

One-pot solvothermal synthesis of hierarchical Co-doped NiO microspheres with enhanced hydrogen sulfide sensing performances 具有增强硫化氢传感性能的分层共掺杂NiO微球的单锅溶剂热合成

ChemPhysMater Pub Date : 2023-10-01 DOI: 10.1016/j.chphma.2023.03.004

Wenjing Du , Jinbo Zhao , Fenglong Wang , Huan Yang , Ling Chen , Xingyu Yao , Lili Wu , Jiurong Liu

{"title":"One-pot solvothermal synthesis of hierarchical Co-doped NiO microspheres with enhanced hydrogen sulfide sensing performances","authors":"Wenjing Du , Jinbo Zhao , Fenglong Wang , Huan Yang , Ling Chen , Xingyu Yao , Lili Wu , Jiurong Liu","doi":"10.1016/j.chphma.2023.03.004","DOIUrl":"https://doi.org/10.1016/j.chphma.2023.03.004","url":null,"abstract":"<div>In this study we report, for the first time, the synthesis of Co-doped NiO microspheres assembled by two-dimension nanosheets using a facile solvothermal method. The H2S gas-sensing performance of the as-prepared samples was systematically investigated. The result demonstrates that the Co–NiO sensor with Co/Ni molar ratio of 1% (1% Co–NiO) exhibits high response (12.9) and rapid response speed (110 s) to 20×10−6 H2S at 200 °C in comparison with the pure NiO sensor. Moreover, excellent selectivity, repeatability, and stability were achieved. The sensing mechanism illustrates that the superior gas-sensing properties can be attributed to two factors. (1) The hierarchical microspherical construction with an ultrahigh specific surface area of 163.1 m2 g−1 provides adequate active sites for H2S gas adsorption, porous structures, and an interlayer gap that accelerates the diffusion of H2S gas, resulting in improved sensitivity and response speed of the sensor. (2) Co-doping results in a decrease in the particle sizes (ca. 4 nm) and increase in the number of adsorbed ionized oxygen species, which improves sensitivity and selectivity. Therefore, this study provides a facile approach for the synthesis of hierarchical Co–NiO microspheres with enhanced H2S gas-sensing performance.</div>","PeriodicalId":100236,"journal":{"name":"ChemPhysMater","volume":"2 4","pages":"Pages 337-345"},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2772571523000207/pdfft?md5=69a20a19824c52a61e79606ff8c71acf&pid=1-s2.0-S2772571523000207-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91775250","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Boosting the high-rate performance and cycling life of NaTi2(PO4)3 anode by forming N-doped carbon coating derived from polyacrylonitrile 通过形成聚丙烯腈衍生的n掺杂碳涂层，提高了NaTi2(PO4)3阳极的高速性能和循环寿命

ChemPhysMater Pub Date : 2023-10-01 DOI: 10.1016/j.chphma.2023.02.004

Huan Yang , Zhongnian Yang , Yujun Bai , Wenjing Du , Yuheng Wang , Jiru Xian

{"title":"Boosting the high-rate performance and cycling life of NaTi2(PO4)3 anode by forming N-doped carbon coating derived from polyacrylonitrile","authors":"Huan Yang , Zhongnian Yang , Yujun Bai , Wenjing Du , Yuheng Wang , Jiru Xian","doi":"10.1016/j.chphma.2023.02.004","DOIUrl":"https://doi.org/10.1016/j.chphma.2023.02.004","url":null,"abstract":"<div>Poor electron conductivity is the key issue influencing the rate capability of NaTi2(PO4)3 (NTP). Hence, herein, polyacrylonitrile (PAN) was utilized as a NTP modifier by simply mixing NTP in a liquid PAN suspension, followed by sintering at 850 °C for 5 h. The product with a PAN/NTP mass ratio of 0.3 delivered splendid rate capabilities (achieving lithiation capacities of 282.9, 243.0, 207.1, 173.1, 133.5, and 257.5 mAh g−1 at 0.1, 0.2, 0.4, 0.8, 1.6, and 0.1 A−1, respectively) and excellent long cycling life (capacity retention of 165.5 mAh g−1 after 1200 cycles at 0.5 A g−1). Based on detailed structural and compositional characterizations, as well as cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS), the uniform N-doped carbon coating stemming from PAN carbonization around the NTP particles promoted electron transfer, while the oxygen vacancies induced by N-doping in NTP facilitated Li+ diffusion. The boosted and well matched electronic and ionic conductivities give rise to the optimized electrochemical performance.</div>","PeriodicalId":100236,"journal":{"name":"ChemPhysMater","volume":"2 4","pages":"Pages 315-322"},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2772571523000062/pdfft?md5=4410088577346ee8617b87251dafdf8a&pid=1-s2.0-S2772571523000062-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91775253","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Phosphor-aluminosilicate CsPbX3 perovskite fluorescent glass with low formation temperature for photoluminescence display applications 低形成温度的磷铝硅酸盐CsPbX3钙钛矿荧光玻璃，用于光致发光显示应用

ChemPhysMater Pub Date : 2023-10-01 DOI: 10.1016/j.chphma.2023.03.001

Bin Liu , Jinkai Li , Bingqiang Cao , Lei Zhang , Zongming Liu

{"title":"Phosphor-aluminosilicate CsPbX3 perovskite fluorescent glass with low formation temperature for photoluminescence display applications","authors":"Bin Liu , Jinkai Li , Bingqiang Cao , Lei Zhang , Zongming Liu","doi":"10.1016/j.chphma.2023.03.001","DOIUrl":"https://doi.org/10.1016/j.chphma.2023.03.001","url":null,"abstract":"<div>All-inorganic perovskites are rapidly emerging as novel optoelectronic functional materials owing to their fluorescence properties. However, the stability of these materials has always been the biggest challenge for their applications in photoelectric devices. Therefore, this study focuses on developing phosphor-aluminosilicate-based CsPbX3 (X = Cl, Br, and I) glass with a low reaction temperature by adding CsCO3, PbX2, and NaX to the raw materials in order to improve the stabilities. The glass network intermediates of SiO2 and Al2O3 doping in the raw material enhanced the stability of the pure phosphate glass network structure and devitrification while decreasing the melting temperature. Full chromatographic CsPbX3 quantum dots (QDs) encapsulated in phosphate-based glass were found to increase the fluorescence properties and quantum efficiency (>59%). Notably, the high water stability of CsPbX3 QDs glasses, with the maintenance of 90% luminous intensity, emerged when soaked in water. In addition, the excellent thermal stability and anti-ion exchange properties of the CsPbX3 QDs glasses were revealed. Benefiting from the above, multicolor light-emitting diode (LED) devices were assembled with a mixture of phosphors of CsPbX3 QDs glasses and commercial red-emission K2SiF6:Mn4+ phosphor spread on an InGaN chip, demonstrating bright light with superior luminous properties. Phosphor-aluminosilicate-based CsPbX3 QDs glass with high stability and low formation temperature would provide new methods for applications in lighting and displays.</div>","PeriodicalId":100236,"journal":{"name":"ChemPhysMater","volume":"2 4","pages":"Pages 323-330"},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2772571523000141/pdfft?md5=9bd1df39c94f04e358de9564189be7f7&pid=1-s2.0-S2772571523000141-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91775254","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Polarization-dependent optical engineering of ferroelectric domains 依赖偏振的铁电畴光学工程

ChemPhysMater Pub Date : 2023-10-01 DOI: 10.1016/j.chphma.2023.02.006

Shan Liu , Yan Sheng , Wieslaw Krolikowski

引用次数: 0