Materials Chemistry Frontiers最新文献

{"title":"Contributors to the Materials Chemistry Frontiers Emerging Investigator Series 2024","authors":"None","doi":"10.1039/D5QM90057C","DOIUrl":"https://doi.org/10.1039/D5QM90057C","url":null,"abstract":"<p >The <em>Materials Chemistry Frontiers</em> Emerging Investigators Series highlights the best research being conducted by scientists in the early stages of their independent careers. This editorial features the emerging investigators who contributed to this series in 2024. Each contributor was recommended as carrying out work with the potential to influence future directions in materials chemistry. Congratulations to all the researchers, we hope you enjoy reading their work.</p>","PeriodicalId":86,"journal":{"name":"Materials Chemistry Frontiers","volume":" 19","pages":" 2842-2843"},"PeriodicalIF":6.4,"publicationDate":"2025-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145110366","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Controlling the reaction pathways of C10 aromatics transalkylation with 2-methylnaphthalene over shape-selective La2O3–SiO2–Pt–HBeta with lamellar crystals","authors":"Hao Zhou, Qihao Yang, Jiahao Wang, Ziliang Liao, Lei Li, Jingcheng Xu, Junhui Li and Zhirong Zhu","doi":"10.1039/D5QM00313J","DOIUrl":"https://doi.org/10.1039/D5QM00313J","url":null,"abstract":"<p >A zeolite catalyst, 2.0 wt%La<small>₂</small>O<small>₃</small>–SiO<small>₂</small>(<small>IV</small>)–0.1 wt%Pt–HBeta, with lamellar crystals was applied in the transalkylation of C<small>₁₀</small> aromatics with 2-methylnaphthalene (2-MN) for the synthesis of 2,6-dimethylnaphthalene (2,6-DMN) under an H<small>₂</small> atmosphere. The reaction pathways were accurately controlled by the precise cooperation among six aspects: (1) the synergy of excellent molecule diffusibility of the lamellar crystals with an appropriate shape selectivity at the pore openings narrowed by silicon deposition, capable internal acidity, and reactive participation of the surface active hydrogen species likely formed based on both metal Pt and Lewis acid sites resulted in remarkably enhanced transalkylation reactivity. (2) The teamwork of the inactive external surface covered by silicon and the space-limitation effect and properly assembled reactive sites (metal-Pt and acid) in the channels effectively avoided the naphthalene-ring loss. (3) The methylnaphthalene dealkylation and 2-MN isomerization were significantly weakened due to the reduced internal acidity resulting from La<small>₂</small>O<small>₃</small> modification, selectively eliminating some strong acid sites. (4) The generation of multi-alkylnaphthalenes was greatly avoided, which was attributed to the space limitation and reasonable acid strength in the pores and shorter retention time of the diffusion reaction of lower alkylnaphthalenes in the lamellar crystals. (5) The pore-mouth shape-selectivity obviously enhanced the 2,6-DMN proportion in dimethylnaphthalenes (DMNs). (6) The strong capabilities of the modified lamellar crystals for resisting and accommodating coke with a reasonable catalytic hydrogenation and a providential internal acid strength ensured their excellent catalytic stability. As a result, a 2-MN conversion of &gt;56.9%, a high DMN selectivity of &gt;88.3%, and an enhanced 2,6-DMN yield of &gt;19.3% were obtained during a 280 h on-stream reaction.</p>","PeriodicalId":86,"journal":{"name":"Materials Chemistry Frontiers","volume":" 19","pages":" 2921-2934"},"PeriodicalIF":6.4,"publicationDate":"2025-09-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145110374","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Morphological tuning of assemblies of diblock copolymer micelles via core cross-linking","authors":"Subin Kim, Donghwi Kang, Jaekyun Ahn, Saero Kim, Jaemin Kim, Gwangya Park and Byeong-Hyeok Sohn","doi":"10.1039/D5QM00470E","DOIUrl":"https://doi.org/10.1039/D5QM00470E","url":null,"abstract":"<p >Patchy micelles derived from diblock copolymers serve as versatile building blocks for colloidal assemblies due to their ability to mediate directional interactions <em>via</em> discrete surface patches. Here, we demonstrate a strategy for tuning the morphology of diblock copolymer micelles and their assemblies by controlling the degree of core cross-linking. By varying the amount of cross-linker, single-, two-, and three-patch micelles were formed, which subsequently guided the assembly into dimers, linear chains, and branched structures, respectively. A low degree of cross-linking led to significant core swelling, resulting in elongated cores and the formation of additional patches. Reducing the molecular weight of the copolymer also enabled morphological tuning at a smaller length scale. Furthermore, varying the degree of cross-linking in spherical micelles with long coronas led to the formation of structurally diverse dimers and chains, which were effectively used as templates to organize Au nanoparticles into spatially distinct paired and linear arrays.</p>","PeriodicalId":86,"journal":{"name":"Materials Chemistry Frontiers","volume":" 19","pages":" 2935-2942"},"PeriodicalIF":6.4,"publicationDate":"2025-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145110390","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Broadband far-red/near-infrared emission of Fe3+ and Mn4+ co-doped MgAl2O4 phosphors for plant lighting","authors":"Chenyang Huang, Yuting Chen, Fugen Wu, Qi Zhang, Yun Teng, Xin Zhang, Huafeng Dong, Xiaozhu Xie and Zhongfei Mu","doi":"10.1039/D5QM00548E","DOIUrl":"https://doi.org/10.1039/D5QM00548E","url":null,"abstract":"<p >Mn<small>⁴⁺</small>-activated phosphors are widely used in plant lighting due to their efficient far-red emission (600–760 nm). However, their narrow emission bandwidth limits their applications. To address this, we co-doped Fe<small>³⁺</small> with a broadband far-red/near-infrared (NIR) emission (650–900 nm) with Mn<small>⁴⁺</small> in a spinel-structured MgAl<small>₂</small>O<small>₄</small> host. This strategy synergistically combines the luminescence characteristics of both ions to achieve a broadened spectral output. Upon 285 nm ultraviolet excitation, the Fe<small>³⁺</small>/Mn<small>⁴⁺</small> co-doped MgAl<small>₂</small>O<small>₄</small> system exhibits a dual-peak broadband emission spanning 600–900 nm, with emission maxima at 655 and 722 nm. Notably, the full width at half maximum (FWHM) reaches 132 nm, representing a 109% increase relative to the Mn<small>⁴⁺</small> singly doped sample (FWHM = 63 nm). The dual-peak broadband emission is highly consistent with the absorption bands of the two types of phytochrome (Pr and Pfr). This spectral matching enables bidirectional control of the phytochrome photoconversion cycle. This work establishes an innovative strategy for developing broadband far-red phosphors that dynamically regulate phytochrome activity to advance precision plant lighting.</p>","PeriodicalId":86,"journal":{"name":"Materials Chemistry Frontiers","volume":" 19","pages":" 2879-2888"},"PeriodicalIF":6.4,"publicationDate":"2025-08-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145110370","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Ultrathin layered double hydroxide nanosheets for the production of multifunctional acid-free papers with enhanced durability","authors":"Wenzhuo Xia, Sinong Wang, Kaige Hou and Yi Tang","doi":"10.1039/D5QM00533G","DOIUrl":"https://doi.org/10.1039/D5QM00533G","url":null,"abstract":"<p >Paper—an essential carrier for information dissemination and the inheritance of civilization—holds significant importance in both daily life and specific applications. Nevertheless, the acidification of paper reduces its mechanical strength, restricts its functionality, and considerably shortens its service life. In this research, a handmade acid-free paper (HMAP) with an initial pH of 7–8 was prepared by incorporating ultrathin magnesium–aluminum layered double hydroxide (LDH) nanosheets as a filler in the paper preparation process. The Mg–Al LDH nanosheets, with an average layer thickness of about 8 nm, were synthesized <em>via</em> a one-step surfactant-assisted hydrothermal method. Simultaneously, the HMAP exhibits the advantages of long service life and acid resistance after a prolonged accelerated aging experiment (two months), maintaining a pH above 6. Additionally, the HMAP also possesses potential application value in some domains such as flame retardancy and adsorption. This work substantiates the feasibility of ultrathin LDH as a paper filler and broadens its prospects in the preparation of acid-free long-life paper.</p>","PeriodicalId":86,"journal":{"name":"Materials Chemistry Frontiers","volume":" 18","pages":" 2820-2831"},"PeriodicalIF":6.4,"publicationDate":"2025-08-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145011382","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Surface and grain boundary passivation using tetraphenylethylene derivative for high-performance perovskite solar cell","authors":"Shubhangi Bhardwaj, Praveen Naik, Anuj Kumar Palariya, Smrutiranjan Panda, Satish Patil and Sushobhan Avasthi","doi":"10.1039/D5QM00255A","DOIUrl":"https://doi.org/10.1039/D5QM00255A","url":null,"abstract":"<p >The efficiency of perovskite solar cells is constrained by surface and bulk recombination, along with poor band alignment at the interfaces of the transport layers. In our study, we demonstrate that modifying the surface and grain boundary (GB) of perovskite using tetraphenylethylene-enamine (TPE-en) enhances band alignment at the perovskite-hole transport layer interface and mitigates recombination within the perovskite material. By leveraging the solubility of small organic molecules in orthogonal solvents, we introduce TPE-en onto the perovskite surface akin to anti-solvent methods. Our investigation reveals a significant enhancement in the short circuit current density, fill factor, and open circuit voltage of the surface-modified (SM) perovskite. Specifically, we achieve a total power conversion efficiency of 18.73% (MA<small>_0.9</small>AA<small>_0.1</small>PbI<small>₃</small>). Comparative analyses show TPE-en outperforms other reported TPE derivatives in device performance. Through systematic interface analysis, we observe that TPE-en effectively reduces surface and GB defects by elevating the HOMO levels of the perovskite, introducing an interface dipole at the perovskite-spiro-OMeTAD interface. Optical measurements such as time-resolved photoluminescence, Ultraviolet photoelectron spectroscopy, and X-ray photoelectron spectroscopy were used to investigate the cause of this improvement. A 0.28 eV surface dipole formed provided effective band alignment, resulting in enhanced hole extraction and photovoltaic performance.</p>","PeriodicalId":86,"journal":{"name":"Materials Chemistry Frontiers","volume":" 19","pages":" 2943-2950"},"PeriodicalIF":6.4,"publicationDate":"2025-08-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145110391","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Afterglow of carbon dots regulated by the solvent effect for temperature sensing and anti-counterfeiting","authors":"Feng Wang, Xin Chen and Xiangying Sun","doi":"10.1039/D5QM00265F","DOIUrl":"https://doi.org/10.1039/D5QM00265F","url":null,"abstract":"<p >Afterglow carbon dots have attracted a lot of attention due to their unique advantageous properties, such as high sensitivity and resistance to interference from background light. However, achieving dual-mode afterglow emission from the single-mode afterglow of carbon dots remains a challenge. Here, we achieved the induction of a carbon dot afterglow emission mode through solvent effects. In this method, boric acid is used to construct a rigid plane to suppress the non-radiative transition of triplet excitons, and the afterglow of carbon dots can be changed from dual-mode emission, to single-mode emission to no afterglow emission under H<small>₂</small>O, DMF and MeOH environments during the synthesis. Notably, the solvent contains different hybrid forms of the nitrogen element, which have different effects on the delayed fluorescence: sp<small>²</small> hybrid nitrogen causes the delayed fluorescence to disappear and sp hybrid nitrogen induces a slight increase in delayed fluorescence. Meanwhile, doping with N effectively improves the quantum yield of CDs@BA. Finally, carbon dots with different afterglow properties were obtained in different solvent environments and applied in temperature sensing and anti-counterfeiting. This work provides a design idea and a feasible strategy to construct carbon dots with different afterglow properties.</p>","PeriodicalId":86,"journal":{"name":"Materials Chemistry Frontiers","volume":" 18","pages":" 2804-2811"},"PeriodicalIF":6.4,"publicationDate":"2025-08-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145011380","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Data-driven composition-only machine learning for high-performance solid-state electrolytes","authors":"Jiayao Yu, Lujie Jin, Yujin Ji and Youyong Li","doi":"10.1039/D5QM00438A","DOIUrl":"https://doi.org/10.1039/D5QM00438A","url":null,"abstract":"<p >As a pivotal advancement in energy storage technology, all-solid-state batteries represent a transformative direction for next-generation lithium-ion batteries. To address the critical challenge of low ionic conductivity in solid-state electrolytes (SSEs), we propose a machine learning-driven screening workflow to search for SSEs with high ionic conductivity. By leveraging an experimental database of lithium-ion SSEs, we trained five ensemble boosting models using exclusive elemental composition and temperature parameters. The CatBoost algorithm emerges as the optimal predictor, achieving superior accuracy in ionic conductivity estimation. By implementing this model, we systematically screened 3311 lithium-containing materials from the Materials Project database, identifying 22 promising candidates with the predicted ionic conductivity exceeding 1 mS cm<small>⁻¹</small>. Especially, the predicted conductivity of Li<small>₈</small>SeN<small>₂</small> (2.72 mS cm<small>⁻¹</small>) is well consistent with the AIMD measurement (2.85 mS cm<small>⁻¹</small>). This data-driven approach accelerates SSE discovery while providing fundamental insights into structure–property relationships, establishing a robust framework for next-generation electrolyte development.</p>","PeriodicalId":86,"journal":{"name":"Materials Chemistry Frontiers","volume":" 19","pages":" 2871-2878"},"PeriodicalIF":6.4,"publicationDate":"2025-08-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145110369","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Temperature-induced helix inversion in naphthyl-based cholesteric liquid crystals","authors":"Antonija Ožegović, Aleksandra Šimanović, Irena Dokli, Patrick Davidson, Ivan Dozov, Jurica Novak, Anamarija Knežević and Andreja Lesac","doi":"10.1039/D5QM00456J","DOIUrl":"https://doi.org/10.1039/D5QM00456J","url":null,"abstract":"<p >Achieving precise control over macroscopic chirality in self-organized systems is a key challenge in the development of advanced supramolecular functional materials. Here, we report a novel class of liquid crystalline compounds bearing a single chiral center, which exhibit reversible, thermally-induced helix inversion in the cholesteric phase. The (<em>S</em>)-naphthyl-3-hydroxypropanoic moiety is identified as the critical structural fragment responsible for this rare behavior. Remarkably, the helix inversion can be transferred from the pure chiral compound to an achiral nematic host, at guest concentrations as low as 6%, preserving the characteristic transition from a high-temperature left-handed helix to a low-temperature right-handed one. This also enables precise tuning of the helix inversion temperature across an exceptionally broad range – from below room temperature up to 114 °C. Importantly, structural modifications to the alkyl ester moiety do not suppress helix inversion, allowing for targeted tuning of inversion temperature, host compatibility, and potential incorporation of additional stimuli-responsive functions. The combination of thermally-induced helix inversion, the ability to transfer this unique feature to an achiral host, and the wide temperature range over which this inversion can be adjusted makes these new chiral mesogens a versatile molecular platform for designing thermoresponsive chiral materials.</p>","PeriodicalId":86,"journal":{"name":"Materials Chemistry Frontiers","volume":" 19","pages":" 2900-2908"},"PeriodicalIF":6.4,"publicationDate":"2025-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2025/qm/d5qm00456j?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145110372","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Single atom embedded ZnO monolayers as bifunctional electrocatalysts for the ORR/OER: a machine learning-assisted DFT study†","authors":"Siyao Wang, Dongxu Jiao and Jingxiang Zhao","doi":"10.1039/D5QM00437C","DOIUrl":"https://doi.org/10.1039/D5QM00437C","url":null,"abstract":"<p >Electrocatalysts that exhibit bifunctional activity for the oxygen reduction reaction (ORR) and the oxygen evolution reaction (OER) are essential for advancing the sustainability of clean energy. Using density functional theory (DFT) computations, we systematically investigated the catalytic performance of 17 transition metal single atoms embedded in two-dimensional ZnO for the ORR and OER. Our results indicate that these single atoms strongly interact with ZnO, forming stable single-atom catalysts (SACs). Among them, Ni–ZnO is identified as a promising bifunctional ORR/OER catalyst due to its low overpotentials (<em>η</em><small>^ORR</small> = 0.42 V, <em>η</em><small>^OER</small> = 0.54 V). Furthermore, employing the constant potential method, the <em>η</em><small>^ORR</small> (0.32 V) and <em>η</em><small>^OER</small> (0.31 V) values can be further reduced under acidic conditions. Machine learning (ML) analysis revealed that the number of outermost electron (<em>N</em><small>_e</small>) and first ionization energy (<em>E</em><small>_i</small>) are the two primary descriptors governing OER activity, while ORR activity is mainly influenced by <em>E</em><small>_i</small> and the atomic radius (<em>R</em><small>_TM</small>). This study provides theoretical guidance for designing low-cost, efficient bifunctional ORR/OER electrocatalysts and demonstrates the potential of ML in elucidating the relationship between intrinsic catalyst properties and their catalytic activity.</p>","PeriodicalId":86,"journal":{"name":"Materials Chemistry Frontiers","volume":" 18","pages":" 2784-2793"},"PeriodicalIF":6.4,"publicationDate":"2025-08-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145011378","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}