ACS Materials Letters最新文献

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Spectroscopic Visualization of Polarons and Intervalence Charge Transfer in MoO3–x Nanostructures Via Defect Engineering 基于缺陷工程的MoO3-x纳米结构中极化子和价间电荷转移的光谱可视化
IF 9.6 1区 化学
ACS Materials Letters Pub Date : 2025-02-25 DOI: 10.1021/acsmaterialslett.4c0142910.1021/acsmaterialslett.4c01429
Ravindra Kumar Nitharwal, Anubhab Sahoo, Vivek Kumar, M. S. Ramachandra Rao, Tejendra Dixit* and Sivarama Krishnan*, 
{"title":"Spectroscopic Visualization of Polarons and Intervalence Charge Transfer in MoO3–x Nanostructures Via Defect Engineering","authors":"Ravindra Kumar Nitharwal,&nbsp;Anubhab Sahoo,&nbsp;Vivek Kumar,&nbsp;M. S. Ramachandra Rao,&nbsp;Tejendra Dixit* and Sivarama Krishnan*,&nbsp;","doi":"10.1021/acsmaterialslett.4c0142910.1021/acsmaterialslett.4c01429","DOIUrl":"https://doi.org/10.1021/acsmaterialslett.4c01429https://doi.org/10.1021/acsmaterialslett.4c01429","url":null,"abstract":"<p >The emergence of quasiparticles in interacting matter is a fundamental aspect of contemporary physics, driving the pursuit of novel particles or phenomena that could shed light on mechanisms and improve photocatalytic and photoelectrocatalytic efficiency of MoO<sub>3</sub>. This work extensively studied structural, vibrational, and optical properties and lattice distortions by oxygen defects in MoO<sub>3–x</sub> nanostructures. An additional Raman mode (∼1003 cm<sup><b>-</b>1</sup>) that appeared in α-MoO<sub>3</sub> nanobelts due to oxygen vacancies is also related to the morphology and crystallite size. Coupling between lattice distortions and charge carriers emerged as a polaron band (∼561 nm) in <i>h</i>-MoO<sub>3</sub> nanorods, red-shifted owing to Coulomb interactions during lattice relaxation. Color center formation substantiated redshift, and the crystal field effect explained visible region photoluminescence where intervalence charge transfer (IVCT) exhibited a large Stokes shift. Time-resolved photoluminescence investigations of IVCT and near-band-edge emissions provide a platform to develop future optoelectronic devices with much faster speed and response time.</p>","PeriodicalId":19,"journal":{"name":"ACS Materials Letters","volume":"7 4","pages":"1195–1202 1195–1202"},"PeriodicalIF":9.6,"publicationDate":"2025-02-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143784942","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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
Lithium Antiperovskite-Derived Glass Solid Electrolytes 锂反钙钛矿衍生的玻璃固体电解质
IF 9.6 1区 化学
ACS Materials Letters Pub Date : 2025-02-25 DOI: 10.1021/acsmaterialslett.4c0257810.1021/acsmaterialslett.4c02578
Emily Milan, Gregory J. Rees, Aaron Phillips, Cristian Cano, Yi Wei, Hua Guo, Steve Feller and Mauro Pasta*, 
{"title":"Lithium Antiperovskite-Derived Glass Solid Electrolytes","authors":"Emily Milan,&nbsp;Gregory J. Rees,&nbsp;Aaron Phillips,&nbsp;Cristian Cano,&nbsp;Yi Wei,&nbsp;Hua Guo,&nbsp;Steve Feller and Mauro Pasta*,&nbsp;","doi":"10.1021/acsmaterialslett.4c0257810.1021/acsmaterialslett.4c02578","DOIUrl":"https://doi.org/10.1021/acsmaterialslett.4c02578https://doi.org/10.1021/acsmaterialslett.4c02578","url":null,"abstract":"<p >In this paper, we report the synthesis of Li<sub>2</sub>OHX (X = Br, Cl)-based glasses. These glasses were found to be challenging to synthesize, requiring extreme cooling rates achievable only by a twin-roll quench process. As has been speculated for antiperovskite-derived glasses, indications of improved lithium-ion dynamics are observed. Notably, spin–lattice relaxation nuclear magnetic resonance spectroscopy reveals a higher hopping frequency and significantly lower activation energy for Li<sub>2</sub>OHBr glasses (0.29 eV) compared to the crystalline Li<sub>2</sub>OHBr (0.39 eV). This may be attributable to the increased free volume in the glass samples (ρ<sub>glass</sub>/ρ<sub>cryst</sub> = 0.83) and a reduced ionic interaction of lithium ions with the glass structure. Despite these promising findings, the glasses were found to be unstable under pressure and crystallized in attempts to produce bulk samples for impedance measurements.</p>","PeriodicalId":19,"journal":{"name":"ACS Materials Letters","volume":"7 4","pages":"1187–1194 1187–1194"},"PeriodicalIF":9.6,"publicationDate":"2025-02-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.acs.org/doi/epdf/10.1021/acsmaterialslett.4c02578","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143784941","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
sp2-sp3 Hybridized Carbons from Curved Carbon Precursors of Fullerenes and Single-Walled Carbon Nanotubes 富勒烯和单壁碳纳米管弯曲碳前体的sp2-sp3杂化碳
IF 9.6 1区 化学
ACS Materials Letters Pub Date : 2025-02-25 DOI: 10.1021/acsmaterialslett.4c0226410.1021/acsmaterialslett.4c02264
Di Jin, Xinyang Li, Shicong Ding and Guochun Yang*, 
{"title":"sp2-sp3 Hybridized Carbons from Curved Carbon Precursors of Fullerenes and Single-Walled Carbon Nanotubes","authors":"Di Jin,&nbsp;Xinyang Li,&nbsp;Shicong Ding and Guochun Yang*,&nbsp;","doi":"10.1021/acsmaterialslett.4c0226410.1021/acsmaterialslett.4c02264","DOIUrl":"https://doi.org/10.1021/acsmaterialslett.4c02264https://doi.org/10.1021/acsmaterialslett.4c02264","url":null,"abstract":"<p ><i>sp</i><sup>2</sup>-<i>sp</i><sup>3</sup> hybridized carbons have garnered attention for their diverse configurations and tunable properties. However, the atomic-level transformation mechanism, particularly the precursor configurations and the six-membered (6-M) ring ratio, remains not fully understood. This study investigated the phase transformations of fullerenes (C<sub>20</sub>, C<sub>60</sub>, C<sub>70</sub>) and single-walled carbon nanotubes (SWCNTs) into <i>sp</i><sup>2</sup>-<i>sp</i><sup>3</sup> hybridized carbon using molecular dynamics simulations. Fullerenes transform into amorphous carbon, while SWCNTs evolve into graphite-diamond hybrids with a semicoherent interface. Temperature controls product type, and pressure modulates <i>sp</i><sup>3</sup>/<i>sp</i><sup>2</sup> ratio. A higher 6-M rings ratio in fullerene precursors increases the structural order manifested by graphite and diamond-like characteristics. A “pinning effect” caused by edge dislocations in SWCNTs facilitates the semicoherent interface formation by increasing the interlayer spacing and altering the stacking order of graphite. The proposed <i>sp</i><sup>2</sup>-<i>sp</i><sup>3</sup> hybridized carbons demonstrate tunable mechanical properties. This study advances our understanding of the atomic-level mechanism underlying <i>sp</i><sup>2</sup>-<i>sp</i><sup>3</sup> hybridized carbon transformations and their potential applications.</p>","PeriodicalId":19,"journal":{"name":"ACS Materials Letters","volume":"7 4","pages":"1179–1186 1179–1186"},"PeriodicalIF":9.6,"publicationDate":"2025-02-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143784940","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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
Freeform 3D Printing of Cell-Adsorptive Cryogels with Shape-Recoverability 具有形状可恢复性的细胞吸附低温物的自由形状3D打印
IF 9.6 1区 化学
ACS Materials Letters Pub Date : 2025-02-24 DOI: 10.1021/acsmaterialslett.4c0183610.1021/acsmaterialslett.4c01836
Edgar J. Castanheira, Luís P. G. Monteiro, Rita Sobreiro-Almeida, Vítor M. Gaspar, Nina Kølln Wittig, Tiago R. Correia, Henrik Birkedal, João M. M. Rodrigues* and João F. Mano*, 
{"title":"Freeform 3D Printing of Cell-Adsorptive Cryogels with Shape-Recoverability","authors":"Edgar J. Castanheira,&nbsp;Luís P. G. Monteiro,&nbsp;Rita Sobreiro-Almeida,&nbsp;Vítor M. Gaspar,&nbsp;Nina Kølln Wittig,&nbsp;Tiago R. Correia,&nbsp;Henrik Birkedal,&nbsp;João M. M. Rodrigues* and João F. Mano*,&nbsp;","doi":"10.1021/acsmaterialslett.4c0183610.1021/acsmaterialslett.4c01836","DOIUrl":"https://doi.org/10.1021/acsmaterialslett.4c01836https://doi.org/10.1021/acsmaterialslett.4c01836","url":null,"abstract":"<p >The intricate porous network of cryogels enhances diffusivity, injectability, and shape-recovery properties, providing a valuable tool for minimally invasive biomedical applications. However, the injection of cell-loaded complex structures remains highly challenging. Here, we demonstrate the freeform 3D printing of fully protein-based macroporous cryogels with cell-adsorptive and shape-recoverable features. The 3D-printed cryogels surpass conventional cryogels, revealing successful injection, cell-adsorptive features, and a high interconnected porosity (99.2%). The rapid hydration process enables the efficient incorporation of individual cells or spheroids into the cryogel network. Using an in-liquid cell aspiration method, the constructs retained cellular content up to 89%, with <i>in vitro</i> culture revealing high viability and cell spreading over 14 days. Our findings highlight the potential of the cryogels’ macroporosity for cell loading and injectability. We anticipate that these off-the-shelf cryogels will pave the way for a new generation of self-adsorptive and injectable cryogels.</p>","PeriodicalId":19,"journal":{"name":"ACS Materials Letters","volume":"7 4","pages":"1152–1161 1152–1161"},"PeriodicalIF":9.6,"publicationDate":"2025-02-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143784913","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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
Macromolecular Chain Aggregation-Induced Multiscale Reinforcement for Strong and Antifatigue Hydrogels 高分子链聚集诱导的强抗疲劳水凝胶的多尺度强化
IF 9.6 1区 化学
ACS Materials Letters Pub Date : 2025-02-24 DOI: 10.1021/acsmaterialslett.4c0257010.1021/acsmaterialslett.4c02570
Wenqian Xing, Yongchuan Wu, Hechuan Zhang, Haidi Wu and Jiefeng Gao*, 
{"title":"Macromolecular Chain Aggregation-Induced Multiscale Reinforcement for Strong and Antifatigue Hydrogels","authors":"Wenqian Xing,&nbsp;Yongchuan Wu,&nbsp;Hechuan Zhang,&nbsp;Haidi Wu and Jiefeng Gao*,&nbsp;","doi":"10.1021/acsmaterialslett.4c0257010.1021/acsmaterialslett.4c02570","DOIUrl":"https://doi.org/10.1021/acsmaterialslett.4c02570https://doi.org/10.1021/acsmaterialslett.4c02570","url":null,"abstract":"<p >Hydrogels have potential applications in artificial cartilage, tendons, and ligaments, while still facing great challenges in simultaneous improvement of strength, toughness, and fatigue resistance. In this work, strong, tough, and ionically conductive hydrogels are prepared via the macromolecular chain aggregation engineered multiscale reinforcement strategy. The tensile strength, fracture strain, fracture energy and fatigue threshold can reach values as high as 10.21 ± 0.79 MPa, 1942.84 ± 162.92%, 71.58 ± 4.23 kJ/m<sup>2</sup>, and 1040.12 J/m<sup>2</sup>, respectively. The hydrogels with ionic conductivity up to 1.45 S/m can be used as piezoresistive sensors for detection of various human body motions. This article provides a strategy for fabricating strong, tough, stretchable, and fatigue-resistant hydrogels with promising applications in flexible and wearable electronics.</p>","PeriodicalId":19,"journal":{"name":"ACS Materials Letters","volume":"7 4","pages":"1162–1170 1162–1170"},"PeriodicalIF":9.6,"publicationDate":"2025-02-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143784896","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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
Circularly Polarized Room-Temperature Phosphorescence from Marine Polysaccharide-Based Helical Assemblies 基于海洋多糖的螺旋组合的室温圆极化磷光
IF 9.6 1区 化学
ACS Materials Letters Pub Date : 2025-02-24 DOI: 10.1021/acsmaterialslett.5c0000410.1021/acsmaterialslett.5c00004
Mingjie Wang, Zhaocun Shen*, Fang Zhang, Qiuya Yang, Zihan Han, Yu An, Hongze Ma, Zhichao Xu, Jiancheng Liu, Wei Yuan, Kunyan Sui* and Yanli Zhao*, 
{"title":"Circularly Polarized Room-Temperature Phosphorescence from Marine Polysaccharide-Based Helical Assemblies","authors":"Mingjie Wang,&nbsp;Zhaocun Shen*,&nbsp;Fang Zhang,&nbsp;Qiuya Yang,&nbsp;Zihan Han,&nbsp;Yu An,&nbsp;Hongze Ma,&nbsp;Zhichao Xu,&nbsp;Jiancheng Liu,&nbsp;Wei Yuan,&nbsp;Kunyan Sui* and Yanli Zhao*,&nbsp;","doi":"10.1021/acsmaterialslett.5c0000410.1021/acsmaterialslett.5c00004","DOIUrl":"https://doi.org/10.1021/acsmaterialslett.5c00004https://doi.org/10.1021/acsmaterialslett.5c00004","url":null,"abstract":"<p >Development of circularly polarized room-temperature phosphorescence (CP-RTP) materials based on natural macromolecules remains a great challenge. Herein, we demonstrate a chiral coassembly approach to construct CP-RTP materials using marine polysaccharides. The chiral anionic λ-carrageenan (λ-Car) coassembles with the achiral cationic phosphor bromophenyl-methyl-pyridinium iodide (PYI) through an electrostatic attraction interaction to form helical microfibers, which display blue fluorescence with circularly polarized luminescence. Moreover, the obtained helical λ-Car@PYI microfibers can be spin-coated into thin films, emitting orange CP-RTP due to the inhibition of RTP quenching in the solid state. Interestingly, further study reveals that the molecular structures and conformation of carrageenans have an important influence on their assembled structures and CP-RTP performance. This study provides a perspective on the design and preparation of CP-RTP materials from natural macromolecules.</p>","PeriodicalId":19,"journal":{"name":"ACS Materials Letters","volume":"7 4","pages":"1171–1178 1171–1178"},"PeriodicalIF":9.6,"publicationDate":"2025-02-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143784902","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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
Synergizing Multiple Active Sites for Boosting Activity and Inhibiting Overoxidation in Photocatalytic Methane Valorization 多活性位点协同提高光催化甲烷活化活性和抑制过氧化
IF 9.6 1区 化学
ACS Materials Letters Pub Date : 2025-02-23 DOI: 10.1021/acsmaterialslett.5c0008810.1021/acsmaterialslett.5c00088
Yanduo Liu, Xiyu Li*, Ferdi Karadas, Chao Gao* and Yujie Xiong*, 
{"title":"Synergizing Multiple Active Sites for Boosting Activity and Inhibiting Overoxidation in Photocatalytic Methane Valorization","authors":"Yanduo Liu,&nbsp;Xiyu Li*,&nbsp;Ferdi Karadas,&nbsp;Chao Gao* and Yujie Xiong*,&nbsp;","doi":"10.1021/acsmaterialslett.5c0008810.1021/acsmaterialslett.5c00088","DOIUrl":"https://doi.org/10.1021/acsmaterialslett.5c00088https://doi.org/10.1021/acsmaterialslett.5c00088","url":null,"abstract":"<p >The pursuit of ecofriendly methane utilization has prompted the innovation of photocatalytic techniques to convert methane into profitable chemicals while achieving zero-waste output. However, the readily formed overoxidized products pose a significant challenge due to the oxidation by lattice oxygen in catalysts. To overcome this challenge, we have proposed a strategy of synergizing multiple active sites by integrating Ag nanoparticles and ZnIn<sub>2</sub>S<sub>4</sub> nanosheets onto ultrathin Ti(HPO<sub>4</sub>)<sub>2</sub>. The formed Ti(HPO<sub>4</sub>)<sub>2</sub>/ZnIn<sub>2</sub>S<sub>4</sub> heterojunction promotes the formation of active Ti<sup>3+</sup> sites induced by photogenerated electrons, while the synergistic interaction between Ti<sup>3+</sup> sites (methane adsorption centers), lattice oxygen (activation sites), and Ag nanoparticles (methyl desorption sites) boosts activity and inhibits overoxidation in methane conversion. The constructed photocatalyst demonstrates a remarkable 98% selectivity for ethane production at a rate of 280 μmol·g<sup>–1</sup>·h<sup>–1</sup>, accompanied by stoichiometric hydrogen production. This work highlights a strategy of synergizing multiple active sites for designing photocatalysts for methane valorization.</p>","PeriodicalId":19,"journal":{"name":"ACS Materials Letters","volume":"7 4","pages":"1144–1151 1144–1151"},"PeriodicalIF":9.6,"publicationDate":"2025-02-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143784901","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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 Molecular Conjugation Size for Efficient Defect Passivation in Perovskite Photovoltaics 调整钙钛矿光伏电池中有效缺陷钝化的分子共轭尺寸
IF 9.6 1区 化学
ACS Materials Letters Pub Date : 2025-02-23 DOI: 10.1021/acsmaterialslett.5c0005710.1021/acsmaterialslett.5c00057
Tao Zhang, Qingquan He*, Xiuyuan Chen, An Chen, Jiewen Yu, Shicheng Pan, Gang Xu, Zenan Zhang, Xiaolong Bian, Gaopeng Xu, Kun Zhou, Ting Chen, Guochao Lu, Lisha Fan, Jing Li, Benjamin Agyei-Tuffour, David Dodoo-Arhin and Jun Pan*, 
{"title":"Tailoring Molecular Conjugation Size for Efficient Defect Passivation in Perovskite Photovoltaics","authors":"Tao Zhang,&nbsp;Qingquan He*,&nbsp;Xiuyuan Chen,&nbsp;An Chen,&nbsp;Jiewen Yu,&nbsp;Shicheng Pan,&nbsp;Gang Xu,&nbsp;Zenan Zhang,&nbsp;Xiaolong Bian,&nbsp;Gaopeng Xu,&nbsp;Kun Zhou,&nbsp;Ting Chen,&nbsp;Guochao Lu,&nbsp;Lisha Fan,&nbsp;Jing Li,&nbsp;Benjamin Agyei-Tuffour,&nbsp;David Dodoo-Arhin and Jun Pan*,&nbsp;","doi":"10.1021/acsmaterialslett.5c0005710.1021/acsmaterialslett.5c00057","DOIUrl":"https://doi.org/10.1021/acsmaterialslett.5c00057https://doi.org/10.1021/acsmaterialslett.5c00057","url":null,"abstract":"<p >Film surface defects impede the performance of perovskite solar cells. Conjugated molecules with electron-donating/withdrawing groups have demonstrated efficacy in passivating these defects. However, the influence of the conjugated backbone on the passivation state of functional groups has remained insufficiently explored. In this study, we investigated the passivation effectiveness of C═O and N–H groups in different conjugated environments using 2,3-dihydroquinolin-4(1H)-one (DQLO), quinolin-4(1H)-one (QLO), and acridin-9(10H)-one (ADO). Our findings revealed that underconjugated DQLO failed to passivate and even diminished the device performance. Conversely, the larger conjugated ADO led to an averaged electron density distribution and self-aggregation, reducing passivation effectiveness. Optimal passivation was achieved with QLO, resulting in a power conversion efficiency of 23.05% and enhanced stability, retaining 89.0% of initial performance after 1050 h at 30% R.H. and 92.1% after 230 h at 70 °C in N<sub>2</sub>. This research underscores the crucial role of conjugated backbones in enhancing the molecular passivation efficiency.</p>","PeriodicalId":19,"journal":{"name":"ACS Materials Letters","volume":"7 4","pages":"1135–1143 1135–1143"},"PeriodicalIF":9.6,"publicationDate":"2025-02-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143784900","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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
Engineering an Inorganic-Rich Interphase with Versatile Nonflammable Electrolytes toward Stable Alkali Metal Batteries 为稳定的碱金属电池设计一种多用途不燃电解质的富无机界面
IF 9.6 1区 化学
ACS Materials Letters Pub Date : 2025-02-21 DOI: 10.1021/acsmaterialslett.4c0261810.1021/acsmaterialslett.4c02618
Shuo Zhang, Guo Yang, Yanan Lai, Tongyue Xu, Xinwei Shi, Xin Zhong, Mingjin Cui*, Menghao Yang*, Jiwoong Bae and Yu Ding*, 
{"title":"Engineering an Inorganic-Rich Interphase with Versatile Nonflammable Electrolytes toward Stable Alkali Metal Batteries","authors":"Shuo Zhang,&nbsp;Guo Yang,&nbsp;Yanan Lai,&nbsp;Tongyue Xu,&nbsp;Xinwei Shi,&nbsp;Xin Zhong,&nbsp;Mingjin Cui*,&nbsp;Menghao Yang*,&nbsp;Jiwoong Bae and Yu Ding*,&nbsp;","doi":"10.1021/acsmaterialslett.4c0261810.1021/acsmaterialslett.4c02618","DOIUrl":"https://doi.org/10.1021/acsmaterialslett.4c02618https://doi.org/10.1021/acsmaterialslett.4c02618","url":null,"abstract":"<p >Alkali metal-based anodes are considered key to increasing the energy density of batteries thanks to the low redox potential and high capacity. Nevertheless, their practical application has been hampered by safety issues caused by the high reactivity of alkali metals, as well as the flammability of conventional organic electrolytes. In this study, we report a type of intrinsically nonflammable, cost-effective, and high-performance electrolytes. Such a novel flame-retardant electrolyte consists of heptafluoro-1-methoxypropane and fluoroethylene carbonate. In the proof-of-concept demonstration, the LiCoO<sub>2</sub>-based battery achieves the capacity of 182.6 mAh g<sup>–1</sup> at a rate of 5C, with 81.2% capacity retention after 300 cycles even at a high upper cutoff voltage of 4.6 V. The Na ion battery can reach a capacity retention of 90.6% at an ultrahigh rate of 30C, and the K ion battery retains 84.2% of its initial capacity after 200 cycles.</p>","PeriodicalId":19,"journal":{"name":"ACS Materials Letters","volume":"7 4","pages":"1127–1134 1127–1134"},"PeriodicalIF":9.6,"publicationDate":"2025-02-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143784895","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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
Room-Temperature Phosphorescence from Bamboo Fibers and Designed Materials 竹纤维和设计材料的室温磷光
IF 9.6 1区 化学
ACS Materials Letters Pub Date : 2025-02-20 DOI: 10.1021/acsmaterialslett.4c0233810.1021/acsmaterialslett.4c02338
Yingxiang Zhai, Jingyi Zhou, Ben Dang, Xingping Cui, Shouxin Liu, Xuetong Shi, Ran Bi, Jian Li, Shujun Li*, Orlando J. Rojas* and Zhijun Chen*, 
{"title":"Room-Temperature Phosphorescence from Bamboo Fibers and Designed Materials","authors":"Yingxiang Zhai,&nbsp;Jingyi Zhou,&nbsp;Ben Dang,&nbsp;Xingping Cui,&nbsp;Shouxin Liu,&nbsp;Xuetong Shi,&nbsp;Ran Bi,&nbsp;Jian Li,&nbsp;Shujun Li*,&nbsp;Orlando J. Rojas* and Zhijun Chen*,&nbsp;","doi":"10.1021/acsmaterialslett.4c0233810.1021/acsmaterialslett.4c02338","DOIUrl":"https://doi.org/10.1021/acsmaterialslett.4c02338https://doi.org/10.1021/acsmaterialslett.4c02338","url":null,"abstract":"<p >Recent developments in room-temperature phosphorescence (RTP) from biobased polymers have shown great promise in realizing sustainable RTP systems. Here, we introduce an efficient “top-down” method to achieve RTP biofibers using bamboo following partial delignification (B-fibers). The photophysical characterization combined with structural, surface, and chemical inquiries along with DFT calculations revealed the fundamental reasons for RTP, associated with the interactions between cellulose, hemicelluloses, and the residual lignin. Multiple emissive oxygen-containing clusters and aromatic chromophores in the B-fibers were shown to be RTP-active with a lifetime of 294.9 ms. The RTP emission of the B-fibers was found to be sensitive to temperature, excitation, and humidity. Moreover, when combined with a water-soluble fluorescent dye, red afterglow emission was demonstrated under the effect of energy transfer. Following these results, we synthesized functional luminescent materials (paper, films, textiles, and aerogels), proposed herein as practical, sustainable, and compostable choices for photoexcitation in the visible range.</p>","PeriodicalId":19,"journal":{"name":"ACS Materials Letters","volume":"7 3","pages":"1119–1126 1119–1126"},"PeriodicalIF":9.6,"publicationDate":"2025-02-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.acs.org/doi/epdf/10.1021/acsmaterialslett.4c02338","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143528600","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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