Wanyi Zhao, Ning Chen, Yuqing Li, Ce Xing, Dongxue Wei, Yongfeng Zhi, Yuwei Zhang, He Li
{"title":"Flexible Hydrazone-Linked Covalent Organic Frameworks With Enhanced Emission and Selective Nitroaromatic Sensing Performance.","authors":"Wanyi Zhao, Ning Chen, Yuqing Li, Ce Xing, Dongxue Wei, Yongfeng Zhi, Yuwei Zhang, He Li","doi":"10.1002/asia.202500786","DOIUrl":"https://doi.org/10.1002/asia.202500786","url":null,"abstract":"<p><p>Covalent organic frameworks (COFs), with their highly ordered and extended π-conjugated architectures, offer great promise for the development of efficient solid-state luminescent materials. However, their photoluminescence is often hindered by aggregation-caused quenching (ACQ), limiting practical applications. To address this issue, we rationally designed and synthesized two novel hydrazone-linked COFs incorporating flexible vertex units into the backbone, thereby introducing structural flexibility. These COFs exhibit strong green emission in the solid state with high quantum yields approaching 20%, effectively mitigating ACQ effects. Moreover, the incorporation of abundant heteroatoms within the frameworks enables strong noncovalent interactions with electron-deficient nitroaromatic compounds, particularly 2,4,6-trinitrophenol (TNP), resulting in highly sensitive and selective fluorescence-based detection. This study demonstrates a viable strategy for enhancing the luminescent performance of COFs and expands their potential utility in chemical sensing and optoelectronic applications.</p>","PeriodicalId":145,"journal":{"name":"Chemistry - An Asian Journal","volume":" ","pages":"e00786"},"PeriodicalIF":3.3,"publicationDate":"2025-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145079069","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Enhancing H<sub>2</sub>O<sub>2</sub> Photocatalytic Production via Increased Triazine Moiety Content in the Skeleton of Covalent Triazine Framework.","authors":"Liuqing Yang, Qing Wang, Wenjiao Wang, Ying Xu, Liping Guo, Lijun Liao, Zhenzi Li, Xuepeng Wang, Wei Zhou","doi":"10.1002/asia.202500834","DOIUrl":"https://doi.org/10.1002/asia.202500834","url":null,"abstract":"<p><p>Photocatalytic hydrogen peroxide (H<sub>2</sub>O<sub>2</sub>) synthesis offers a promising alternative through direct solar energy utilization. Covalent Triazine Frameworks (CTFs) have emerged as effective photocatalysts due to their structural integrity and nitrogen-rich composition. However, although it is generally considered that increasing the content of triazine moiety in the skeleton is beneficial for improving photocatalytic reaction efficiency, there is still a lack of more direct experimental evidence. In this study, we present the first design of a unique CTF and achieve precise control over the density of triazine units in the CTF skeleton through rational structural design. Further experiments demonstrate the direct impact of triazine content on H<sub>2</sub>O<sub>2</sub> photosynthesis. Photocatalytic assessments reveal that for this unique structure, CTF-Th achieves 3.4 times higher than CTF-T with lower triazine content. This work introduces triazine ring concentration as a critical design parameter and establishes its relationship with photocatalytic performance, providing valuable insights for the rational design of advanced photocatalysts.</p>","PeriodicalId":145,"journal":{"name":"Chemistry - An Asian Journal","volume":" ","pages":"e00834"},"PeriodicalIF":3.3,"publicationDate":"2025-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145079123","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Post-Synthetic Functionalization of Covalent Organic Frameworks for Highly Sensitive and Selective Detection of Plasticizers.","authors":"Aastha, Rabindranath Lo, Swathi Ippili, Saandra Sharma, Abhirami Ajith, Matt Trau, Stepan Kment, Chandrabhas Narayana, Soumik Siddhanta, Kolleboyina Jayaramulu","doi":"10.1002/asia.202500789","DOIUrl":"https://doi.org/10.1002/asia.202500789","url":null,"abstract":"<p><p>Here in, The nanoporous COF was synthesized by using 2-hydroxy-1,3,5-benzenetricarbaldehyde (BTC) and 2,5-diamino-1,4-benzenedithiol (2,5-DABT) under solvothermal conditions. The resulting COF features hydroxy groups from BTC selectively modified with longer octyl chains to impart hydrophobicity, while pendant thiol groups from 2,5-DABT anchor plasmonic silver (Ag) nanoparticles, yielding a superhydrophobic nanoporous material (denoted as Octyl-COF-SH@Ag). Indeed, the resultant Octyl-COF-SH@Ag hybrid serves as an efficient surface-enhanced Raman scattering (SERS) platform for the detection of various phthalic acid esters, including dimethyl phthalate (DMP), diphenyl phthalate (DPhP), dibutyl phthalate (DBP), diheptyl phthalate (DHeptP), dioctyl phthalate (DOP), dinonyl phthalate (DNP), and diisodecyl phthalate (DIDP), demonstrating exceptional sensitivity with the lowest detectable nanomolar concentration for DMP. Moreover, the resultant hybrid exhibited excellent stability and enabled rapid, highly sensitive, and selective detection of phthalic acid esters through the synergy between AgNPs and Octyl-COF-SH, which enhanced hot spot formation, analyte adsorption, and π-π interactions, making SERS combined with chemometric techniques a powerful approach for plasticizer detection. Furthermore, density functional theory (DFT) calculations were performed to elucidate the interaction between Octyl-COF-SH@Ag and phthalic acid esters, highlighting its selective detection of DMP over DBP.</p>","PeriodicalId":145,"journal":{"name":"Chemistry - An Asian Journal","volume":" ","pages":"e00789"},"PeriodicalIF":3.3,"publicationDate":"2025-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145079214","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Ying Wang, Hui Ding, Changyi Deng, Tingting Huang, Juan Xiao, Mengyuan Xie, Li Zhang, Guancheng Xu
{"title":"Research Progress and Prospects of Prussian Blue Analogs and Their Derivatives in Small-Molecule Oxidative Coupled Hydrogen Production.","authors":"Ying Wang, Hui Ding, Changyi Deng, Tingting Huang, Juan Xiao, Mengyuan Xie, Li Zhang, Guancheng Xu","doi":"10.1002/asia.202500665","DOIUrl":"https://doi.org/10.1002/asia.202500665","url":null,"abstract":"<p><p>In conventional water electrolysis for hydrogen generation, the four-electron transfer mechanism of the oxygen evolution reaction (OER) induces kinetic sluggishness. This sluggishness results in substantial overpotentials and subpar energy conversion efficiencies. Electrochemical small-molecule oxidation reactions possess inherent thermodynamic advantages, thereby effectively reducing the overall operating voltage of the electrolyzer. This voltage reduction provides a novel pathway to overcome the bottleneck imposed by OER kinetics. Prussian blue analogues and their derivatives, which feature tunable metal centers and open cubic framework structures, represent ideal platforms for constructing efficient coupled catalytic systems. This review systematically summarizes their synthetic methods, the influence of electronic structures on catalytic activity, and corresponding optimization strategies, with a specific focus on applications in small-molecule oxidation-assisted hydrogen production. Furthermore, an in-depth analysis of current challenges is presented, and future research directions are outlined. The goal is to provide a theoretical foundation and technical reference for advancing green hydrogen energy technology toward practical breakthroughs.</p>","PeriodicalId":145,"journal":{"name":"Chemistry - An Asian Journal","volume":" ","pages":"e00665"},"PeriodicalIF":3.3,"publicationDate":"2025-09-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145079236","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Renikindi Sravani, Swathi Nenavath, Sai Prasanna Palacharla, Lingamallu Giribabu
{"title":"Triphenylamine-Corrole Donor-Acceptor Systems: Synthesis, Spectroscopy, and Photophysical Studies<sup>!</sup>","authors":"Renikindi Sravani, Swathi Nenavath, Sai Prasanna Palacharla, Lingamallu Giribabu","doi":"10.1002/asia.70310","DOIUrl":"https://doi.org/10.1002/asia.70310","url":null,"abstract":"<p><p>Donor-Acceptor (D-A) systems in which a triphenylamine has tethered at meso phenyl position of corrole (1-TPA-Cor) corrole monomer, (2-TPA-Cor) corrole dimer, and (3-TPA-Cor) corrole trimer have been designed and synthesized. All three D-A systems have been characterized by various spectroscopic techniques that include <sup>1</sup>H NMR, <sup>13</sup>C NMR, HR -MS, absorption, and emission (both steady-state and lifetime) spectroscopies as well as electrochemical methods. Optical and theoretical studies suggest that there will be π-π interactions between donor triphenylamine (TPA) and acceptor corrole (Cor) units and as a result both Soret and Q-bands are red-shifted with broadening of Soret band. Selective excitation of TPA in these D-A systems at 300 nm resulted in the quenching of TPA emission suggested the photo-induced electron transfer (PET) from <sup>1</sup>TPA<sup>*</sup> to corrole. In contrast, excited at 405 nm also resulted in quenching of emission of Cor. As the number of corrole units and polarity of the solvent increased the quenching is more and suggested that PET reactions in these D-A systems. Time-resolved fluorescence studies shown the presence of PET within these systems and revealed an ultra-fast electron rate of ∼10<sup>8</sup> to 10<sup>10</sup> s<sup>-1</sup>, follows the order 3-TPA-Cor > 2-TPA-Cor > 1-TPA-Cor and are polarity of solvent dependent.</p>","PeriodicalId":145,"journal":{"name":"Chemistry - An Asian Journal","volume":" ","pages":"e70310"},"PeriodicalIF":3.3,"publicationDate":"2025-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145068714","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Solid-Supported Synthesis of Azine-Bridged Unsymmetrically Functionalized Ferrocenyl Architecture, Device Fabrication, and Sensing of Toxic Agents in Aqueous Medium and Gas Phase.","authors":"Biplob Halder, Madhusri Jana, Akriti Bhutia, Sougata Kumar Kar, Somnath Mahapatra, Saurav Chatterjee","doi":"10.1002/asia.202500815","DOIUrl":"https://doi.org/10.1002/asia.202500815","url":null,"abstract":"<p><p>Solid-supported synthesis of azine-bridged unsymmetrically functionalized di-ferrocenyl compounds and their water-soluble, di-(1-hydroxyethyl) derivative has been carried out to explore their electro-chemosensing behavior toward selective recognition of toxic agents, picric acid and phosgene gas, in aqueous, nonaqueous medium, and vapor phase using an electrochemical approach. The functional feature at the ferrocenyl moiety has been tactically used to generate water-soluble diferrocenyl-based bridged-azine, which showed detection of low levels of picric acid in aqueous medium. An intermediate has been isolated and characterized, which revealed the involvement of selective functionalization using the RHA-mediated solid-state synthetic method. All the azine-bridged ferrocenyl derivatives with non-equivalent redox centers have been structurally confirmed using a single-crystal X-ray diffraction study. Furthermore, a multicontroller Arduino-based electronic device has been fabricated along with the sensor part for detecting the toxic phosgene gas and demonstrating the capability to electronically detect low levels of phosgene gas.</p>","PeriodicalId":145,"journal":{"name":"Chemistry - An Asian Journal","volume":" ","pages":"e00815"},"PeriodicalIF":3.3,"publicationDate":"2025-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145068721","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Anulipsa Priyadarshini, Deepak Senapati, Niharika Das, Sonali Gupta, Jaykishon Swain, Debadutta Samal, K C Barick, Rojalin Sahu
{"title":"Development of UiO-66 and ZIF-8 MOF Nanocarriers for Anticancer Drug Delivery in Breast Cancer Cells.","authors":"Anulipsa Priyadarshini, Deepak Senapati, Niharika Das, Sonali Gupta, Jaykishon Swain, Debadutta Samal, K C Barick, Rojalin Sahu","doi":"10.1002/asia.202500672","DOIUrl":"https://doi.org/10.1002/asia.202500672","url":null,"abstract":"<p><p>Metal-organic frameworks (MOFs), characterized by their extensive surface area, biocompatibility, and pH-sensitive degradation have emerged as promising candidates for drug delivery systems (DDSs). This study focused on the development of zinc based zeolitic imidazolate framework (ZIF8) and zirconium-based framework (UiO-66) MOFs as effective nanocarriers for delivery of broad-spectrum chemotherapeutic drug, doxorubicin hydrochloride (DOX), aiming to mitigate adverse side effects in breast cancer treatment. The nanocarriers, ZIF-8 and UiO-66 achieved a maximum drug loading efficiency of about between 79% and 75% at a drug-to-particle ratio of 1:10, and exhibited their pH-responsive release, which is essential for cancer therapy. The in vitro therapeutic efficacy of developed DDSs was explored on breast cancer (MCF-7 and MDA-MB-231) cell lines as well lung normal cells (WI26VA4). From confocal microscopic studies, it has been observed that a substantial amount of DOX is internalized into the cancer cells in a time-dependent manner. It is noteworthy to mention that both the developed drug formulations (DOX@UiO-66 and DOX@ZIF-8) showed dose-dependent toxicity towards cancer cell lines. Moreover, the cell viability studies performed with pure ZIF-8 and UiO-66 MOFs against normal as well as cancer cells demonstrated their biocompatibility nature even at a high concentration of 50 µg/mL. These findings underscore the potential of ZIF-8 and UiO-66 MOFs as effective and biocompatible platforms for drug delivery in breast cancer therapy.</p>","PeriodicalId":145,"journal":{"name":"Chemistry - An Asian Journal","volume":" ","pages":"e00672"},"PeriodicalIF":3.3,"publicationDate":"2025-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145068708","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Design Strategies for the Construction of Visible-to-NIR Light Triggered Diarylethenes.","authors":"Adrija Majumdar, Nusrat Jahan, Arunabha Thakur","doi":"10.1002/asia.202500831","DOIUrl":"https://doi.org/10.1002/asia.202500831","url":null,"abstract":"<p><p>Diarylethenes (DAEs) are a well-known class of photochromic compounds, known for their high thermal stability and excellent fatigue resistance. However, traditional DAEs typically require ultraviolet (UV) light to activate their photochromic behavior, which limits their applicability in biological and practical systems due to potential UV-induced photodamage and poor tissue penetration. To overcome these challenges, significant efforts have been made to develop molecular switches that can be triggered by visible and NIR light due to their high tissue penetration and comparably less cell damage properties. Despite the escalating interest and swift advancements in this field, a comprehensive review on molecular designing strategies that enable visible and NIR triggered DAE-based organic systems still remains scarce. This review presents a comprehensive overview of all reported photoswitchable DAEs responsive to visible and NIR light published over the past 7 years (2018-2025). It highlights intricate modular design strategies, such as π-extended conjugation, photoinduced electron transfer, two-photon absorption, nanoparticle-mediated upconversion, and supramolecular assembly, supplemented with tabulated and comprehensively curated data on the photochromic properties of each compound. By detailing design approaches and structure-function relationships, this review provides a clear and integrated understanding of strategies to achieve visible and NIR-triggered photochromism in DAE-based molecules and outlines future directions for the field.</p>","PeriodicalId":145,"journal":{"name":"Chemistry - An Asian Journal","volume":" ","pages":"e00831"},"PeriodicalIF":3.3,"publicationDate":"2025-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145068716","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Visible-Light-Driven Synthesis of Pyrrolo[3,4-b]quinolin-1-one Imines Exhibiting Aggregation-Induced Enhanced Emission.","authors":"Chinnagounder Kameshwaran, Fazlur-Rahman Nawaz Khan","doi":"10.1002/asia.202500770","DOIUrl":"https://doi.org/10.1002/asia.202500770","url":null,"abstract":"<p><p>In recent years, visible light-mediated transformations have gained significant attention. In this work, we report the synthesis of N-substituted 2,3-dihydro-1H-pyrrolo[3,4-b]quinolin-1-ones via a one-pot strategy involving C(sp<sup>3</sup>)-H functionalization, cyclization, and condensation to form the corresponding imines under visible-light conditions. Furthermore, the imines exhibited Aggregation-Induced Enhanced Emission (AIEE) properties and favorable photophysical response toward metal ions. Subsequent metal-free aerobic oxidation of these imines in the presence of a peroxide medium afforded the corresponding amides. The synthetic utility of this protocol was further demonstrated through post-functionalization of the products and gram-scale synthesis.</p>","PeriodicalId":145,"journal":{"name":"Chemistry - An Asian Journal","volume":" ","pages":"e00770"},"PeriodicalIF":3.3,"publicationDate":"2025-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145068751","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"On the Rise of Slurry Electrolysis for Energy Applications","authors":"Jingjing Xiong, Guanwu Lian, Prof. Zhongxin Chen","doi":"10.1002/asia.202500851","DOIUrl":"10.1002/asia.202500851","url":null,"abstract":"<p>Slurry electrolysis represents a paradigm shift in diverse electrochemical applications by replacing conventional fixed electrodes with flowable suspensions of electrochemically active particles for scalable energy conversion and storage. In this perspective, we will detail the recent advances of slurry electrolysis in electrocatalysis, semi-solid flow batteries, and flow-electrode capacitive deionization, featuring the fundamental role of the formation of the electro-percolation network in charge transport in these slurry systems. Mechanistic insights into the dynamic evolution of flowable suspension are provided via advanced characterization techniques, including operando EIS, computational fluid dynamics calculations, and in situ imaging. Finally, we will provide a forward-looking perspective in tackling the challenges in electrochemical side reactions and slurry instability for their practical applications.</p>","PeriodicalId":145,"journal":{"name":"Chemistry - An Asian Journal","volume":"20 19","pages":""},"PeriodicalIF":3.3,"publicationDate":"2025-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://aces.onlinelibrary.wiley.com/doi/epdf/10.1002/asia.202500851","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145062995","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}