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Front Cover: (ChemPhotoChem 3/2025) 封面：（ChemPhotoChem 3/2025）
IF 3 4区 化学
ChemPhotoChem Pub Date : 2025-03-11 DOI: 10.1002/cptc.202580301
{"title":"Front Cover: (ChemPhotoChem 3/2025)","authors":"","doi":"10.1002/cptc.202580301","DOIUrl":"https://doi.org/10.1002/cptc.202580301","url":null,"abstract":"<p>Cover image provided courtesy of Tomohiro Higashi and co-workers from University of Miyazaki, Japan.\u0000 <figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure>\u0000 </p>","PeriodicalId":10108,"journal":{"name":"ChemPhotoChem","volume":"9 3","pages":""},"PeriodicalIF":3.0,"publicationDate":"2025-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cptc.202580301","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143595213","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Multicolor Upconversion Luminescence from Single Materials 单一材料的多色上转换发光
IF 3 4区 化学
ChemPhotoChem Pub Date : 2025-03-11 DOI: 10.1002/cptc.202400413
Changyuan Lu, Yanzhou Li, Wenwu You
{"title":"Multicolor Upconversion Luminescence from Single Materials","authors":"Changyuan Lu,&nbsp;Yanzhou Li,&nbsp;Wenwu You","doi":"10.1002/cptc.202400413","DOIUrl":"https://doi.org/10.1002/cptc.202400413","url":null,"abstract":"<p>Upconversion (UC) luminescence (UCL) from single materials has garnered significant attention in recent years due to its potential applications in bioimaging, anti-counterfeiting, and display technologies. This review explores the most recent developments in achieving multicolor UCL using single materials. We provide a detailed discussion of the strategies used to obtain multicolor UCL from single materials, including structural design, modifications to excitation power density, control of excitation pulse width, changes in excitation wavelength, temperature adjustments, and the use of time-resolved techniques for dynamic UCL color tuning. The review examines the basic mechanisms behind parameter manipulation and their direct impact on the UC process, highlighting their adaptability for a broad spectrum of applications. Moreover, we examine current challenges and outline potential future directions for the progress of multicolor UCL based on single materials.</p>","PeriodicalId":10108,"journal":{"name":"ChemPhotoChem","volume":"9 6","pages":""},"PeriodicalIF":3.0,"publicationDate":"2025-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144273485","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Fluorescence Enhancement in a Tri(biphenyl-4-yl)amine Derivative via Solid-State Grinding with Metal Salts: Chemosensing and White Light-Emitting Diode Applications 三（联苯-4-基）胺衍生物在金属盐固态研磨中的荧光增强：化学传感和白光发光二极管的应用
IF 3 4区 化学
ChemPhotoChem Pub Date : 2025-03-05 DOI: 10.1002/cptc.202500021
Amit Kumar Mahto, Joyoti Ghosh, Priyadarshini Pradhan, Moloy Sarkar, Sivakumar Vaidyanathan, Rajeev Ramanan, Jaya Prakash Madda
{"title":"Fluorescence Enhancement in a Tri(biphenyl-4-yl)amine Derivative via Solid-State Grinding with Metal Salts: Chemosensing and White Light-Emitting Diode Applications","authors":"Amit Kumar Mahto,&nbsp;Joyoti Ghosh,&nbsp;Priyadarshini Pradhan,&nbsp;Moloy Sarkar,&nbsp;Sivakumar Vaidyanathan,&nbsp;Rajeev Ramanan,&nbsp;Jaya Prakash Madda","doi":"10.1002/cptc.202500021","DOIUrl":"https://doi.org/10.1002/cptc.202500021","url":null,"abstract":"<p>Solid-state luminescent materials find enormous potential applications in LEDs, sensors, recognition, and imaging. On the other hand, molecular aggregations in the solid state limit their usage in real device applications. Herein, we report a 2-hydrazinopyridine derivative of tri(biphenyl-4-yl)amine (TBA-2HP) exhibited green fluorescence emission in the solid state and cyan in the solution. The aggregates present in the solid form of the TBA-2HP were disturbed by grinding solid powder with different metal salts, which enhanced fluorescence emission intensities. Herein, the surfaces of micron-sized metal salt crystal particles serve as templates for the TBA-2HP molecules, or in the broad sense, the salt crystal surfaces act as a “solid-state solvent.” The salt ground matrices exhibited varied emission intensities with metal salts like alkali, alkaline earth, and zinc metal salts. The gradual change in solid state emission color from yellowish green to cyan was observed in the ground matrices of zinc acetate salt with varied amounts of TBA-2HP. Furthermore, the electroluminescence properties of the TBA-2HP were investigated by fabricating the TBA-2HP-doped polymer on the surface of a near-ultraviolet (NUV) and blue light-emitting diode (LED). The TBA-2HP displayed green light emission upon coating a thin layer of TBA-2HP-doped polymer over the surface of a NUV LED bulb and white light emission upon coating a thin layer of TBA-2HP along with a red phosphor-doped polymer on the surface of a blue LED bulb. Moreover, the TBA-2HP was utilized to detect high-explosive picric acid in the solution.</p>","PeriodicalId":10108,"journal":{"name":"ChemPhotoChem","volume":"9 6","pages":""},"PeriodicalIF":3.0,"publicationDate":"2025-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144273297","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Diazonium Salts in Visible Light Photocatalysis – a Focused Overview of their Application in Continuous Flow Synthesis 重氮盐在可见光光催化中的应用综述
IF 3 4区 化学
ChemPhotoChem Pub Date : 2025-02-26 DOI: 10.1002/cptc.202400405
Christoph Deckers, Thomas H. Rehm
{"title":"Diazonium Salts in Visible Light Photocatalysis – a Focused Overview of their Application in Continuous Flow Synthesis","authors":"Christoph Deckers,&nbsp;Thomas H. Rehm","doi":"10.1002/cptc.202400405","DOIUrl":"https://doi.org/10.1002/cptc.202400405","url":null,"abstract":"<p>This mini review presents selected examples of the combination of continuous synthesis in microreactors and photocatalysis with diazonium salts using visible light. The chemical processes in which these reactive intermediates are used are discussed in terms of safety and productivity by switching to continuous flow technology. This approach has proven to be a reliable method for various organic synthesis routes with diazonium salts under mild and well-defined conditions, resulting in improved conversion, selectivity, and overall safety.</p>","PeriodicalId":10108,"journal":{"name":"ChemPhotoChem","volume":"9 6","pages":""},"PeriodicalIF":3.0,"publicationDate":"2025-02-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cptc.202400405","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144273294","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Recent Advances in the Development of Efficient Tin Halide Perovskite Solar Cells: Interface Engineering, Crystallization Kinetics, and Stability Optimization 高效卤化锡钙钛矿太阳能电池的研究进展：界面工程、结晶动力学和稳定性优化
IF 3 4区 化学
ChemPhotoChem Pub Date : 2025-02-22 DOI: 10.1002/cptc.202400328
Shiwei Zhang, Muhammad Abdel-Shakour, Yongle Pan, Junfang Wang, Xu Wang, Xiangyue Meng
{"title":"Recent Advances in the Development of Efficient Tin Halide Perovskite Solar Cells: Interface Engineering, Crystallization Kinetics, and Stability Optimization","authors":"Shiwei Zhang,&nbsp;Muhammad Abdel-Shakour,&nbsp;Yongle Pan,&nbsp;Junfang Wang,&nbsp;Xu Wang,&nbsp;Xiangyue Meng","doi":"10.1002/cptc.202400328","DOIUrl":"https://doi.org/10.1002/cptc.202400328","url":null,"abstract":"<p>Tin halide perovskite solar cells (Sn-PSCs) have garnered significant attention within the research community as a promising renewable and environmentally friendly energy source. Recently, numerous strategies have been explored to enhance the efficiency of Sn-PSCs. This review article highlights the potential of Sn-PSCs as eco-friendly alternatives and examines recent progress in this field. The discussion focuses on the exceptional properties of tin perovskite materials, and the challenges associated with optimizing device performance. The article provides an overview of controlling crystallization kinetics of tin halide perovskites and interface engineering to improve the performance of Sn-PSCs. Additionally, the stability challenges of Sn-PSCs have been discussed, and perspectives on future developments are provided.</p>","PeriodicalId":10108,"journal":{"name":"ChemPhotoChem","volume":"9 6","pages":""},"PeriodicalIF":3.0,"publicationDate":"2025-02-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144273194","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Synthesis and Photophysical Study of 3-(Isoxazol-5-yl)Coumarins 3-（异恶唑-5-酰基）香豆素的合成及光物理研究
IF 3 4区 化学
ChemPhotoChem Pub Date : 2025-02-17 DOI: 10.1002/cptc.202400389
María-C. Ríos, Néstor-F. Bravo, Mario Macías, Bernardo A. Iglesias, Jaime Portilla
{"title":"Synthesis and Photophysical Study of 3-(Isoxazol-5-yl)Coumarins","authors":"María-C. Ríos,&nbsp;Néstor-F. Bravo,&nbsp;Mario Macías,&nbsp;Bernardo A. Iglesias,&nbsp;Jaime Portilla","doi":"10.1002/cptc.202400389","DOIUrl":"https://doi.org/10.1002/cptc.202400389","url":null,"abstract":"<p>Herein, efficient synthesis and photophysical study of three novel dyes based on 3-(isoxazol-5-yl)coumarins were developed, and their structures were confirmed by X-ray crystallography. The access to these fluorophores implied two condensation reaction steps under microwave conditions, starting from 3-acetylcoumarins and ending with the cyclization of the respective β-enaminone intermediate with hydroxylamine hydrochloride. By investigating solvatofluorochromism, acidochromism, and properties in the solid state, it was possible to establish that the optical properties of these dyes are coumarin ring-dependent, which was supported by TD-DFT calculations. In addition, fluorescence quantum yields (<i>Φ</i><sub>F</sub>) up to 36 % with short lifetimes decay (1.40–4.60 ns) were accompanied by a redshift behavior with electro-donating coumarins. Remarkably, solid-state studies showed a higher emission of the unsubstituted coumarin (<i>Φ</i><sub>F</sub>=64 %) due to significant supramolecular interactions; in addition, acidochromism experiments using TFA were performed, finding detection limits of up to 1.03 μM.</p>","PeriodicalId":10108,"journal":{"name":"ChemPhotoChem","volume":"9 6","pages":""},"PeriodicalIF":3.0,"publicationDate":"2025-02-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144273473","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Light Enhanced Water Dissociation in Bipolar Membranes 光增强双极膜中的水解离
IF 3 4区 化学
ChemPhotoChem Pub Date : 2025-02-14 DOI: 10.1002/cptc.202400377
Patrick K. Giesbrecht, Matthew J. Margeson, Mita Dasog, Michael S. Freund
{"title":"Light Enhanced Water Dissociation in Bipolar Membranes","authors":"Patrick K. Giesbrecht,&nbsp;Matthew J. Margeson,&nbsp;Mita Dasog,&nbsp;Michael S. Freund","doi":"10.1002/cptc.202400377","DOIUrl":"https://doi.org/10.1002/cptc.202400377","url":null,"abstract":"<p>Bipolar membrane (BPM) integration can allow robust and abundant materials to be implemented into energy conversion frameworks and purification pathways vital for the development of clean technologies. However, large membrane voltages associated with water dissociation (WD) have hampered widespread adoption. This work investigates an alternative method to reduce the overvoltage associated with WD operation by illuminating the BPM interface in the presence of nanoparticulate catalyst layers that exhibit plasmonic character. The plasmonic character of the catalyst enhanced the field locally near the active catalyst site, lowering the resistance associated with WD as well as the onset potential for WD. Optimal catalyst loadings allowed a balance of light absorption, catalyst activity, and field utilization. Composites of known WD catalysts that exhibited minimal light activity with a plasmonic and WD active material exhibited improvements in the WD resistance and overvoltage of up to 20 % upon irradiation. This proof-of-concept work introduces a new paradigm for altering WD activity in BPMs, where the optical activity of WD catalysts can provide further tunability towards efficient WD and alternative energy conversion frameworks.</p>","PeriodicalId":10108,"journal":{"name":"ChemPhotoChem","volume":"9 6","pages":""},"PeriodicalIF":3.0,"publicationDate":"2025-02-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cptc.202400377","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144273469","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Suppressed Nonradiative Recombination in 2D Reduced- Graphene- Oxide (rGO)-Wrapped 3D MoS2 Microflower 2D还原氧化石墨烯（rGO）包裹的3D二硫化钼微花中的抑制非辐射重组
IF 3 4区 化学
ChemPhotoChem Pub Date : 2025-02-13 DOI: 10.1002/cptc.202400356
Sumit Majumder, Pronoy Nandi, Abhijit Roy, Dinesh Topwal
{"title":"Suppressed Nonradiative Recombination in 2D Reduced- Graphene- Oxide (rGO)-Wrapped 3D MoS2 Microflower","authors":"Sumit Majumder,&nbsp;Pronoy Nandi,&nbsp;Abhijit Roy,&nbsp;Dinesh Topwal","doi":"10.1002/cptc.202400356","DOIUrl":"https://doi.org/10.1002/cptc.202400356","url":null,"abstract":"<p>We present a comprehensive study on the synthesis and characterization of 2D reduced graphene oxide (rGO) encapsulated 3D Molybdenum disulfide (MoS<sub>2</sub>) nanocomposites, a promising semiconductor material with applications spanning electronic and optoelectronic domains. Through a facile two-step chemical synthesis, we successfully fabricated both pristine MoS<sub>2</sub> (denoted as S1) and MoS<sub>2</sub>-rGO composites (termed S2), yielding distinctive flower-like microspheres comprised of folded nanosheets. Our temperature-dependent PL investigations unveiled pronounced mid-gap emission peaks within the UV (380–468 nm) and visible (490–550 nm) regions, indicative of excitonic behavior. Notably, the S2 composite exhibited enhanced PL intensity and extended carrier lifetimes across all studied temperatures, attributed to effective suppression of surface states via d-electron hopping. Complementary high-resolution transmission electron microscopy (HRTEM), Raman spectroscopy, and X-ray photoelectron spectroscopy (XPS) analyses further corroborated the presence of surface defects and d-electron hopping mechanisms, elucidating their pivotal roles in enhancing PL emission characteristics. This study offers valuable insights into the fundamental properties of MoS<sub>2</sub>-rGO nanocomposites, paving the way for tailored device design and applications.</p>","PeriodicalId":10108,"journal":{"name":"ChemPhotoChem","volume":"9 6","pages":""},"PeriodicalIF":3.0,"publicationDate":"2025-02-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cptc.202400356","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144273502","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Photooxygenation Reactions of Olefins Under Flow Conditions: An Experimental and In-Silico Study 流动条件下烯烃的光氧化反应：实验和硅研究
IF 3 4区 化学
ChemPhotoChem Pub Date : 2025-02-13 DOI: 10.1002/cptc.202500027
Dr. Giada Moroni, Dr. Yi-Hsuan Tsai, Dr. Marco Ballarotto, Prof. Andrea Carotti, Prof. Jean-Christophe M. Monbaliu, Prof. Antimo Gioiello
{"title":"Photooxygenation Reactions of Olefins Under Flow Conditions: An Experimental and In-Silico Study","authors":"Dr. Giada Moroni,&nbsp;Dr. Yi-Hsuan Tsai,&nbsp;Dr. Marco Ballarotto,&nbsp;Prof. Andrea Carotti,&nbsp;Prof. Jean-Christophe M. Monbaliu,&nbsp;Prof. Antimo Gioiello","doi":"10.1002/cptc.202500027","DOIUrl":"https://doi.org/10.1002/cptc.202500027","url":null,"abstract":"<p>The photooxygenation reaction of olefins was investigated in a LED flow reactor module from both experimental and <i>in-silico</i> point of view. Initially, operating parameters potentially affecting the photoreaction efficiency, including the loading of the photosensitizer (methylene blue) (mol %), residence time and temperature were screened. The optimal conditions were then applied for the synthesis of 1,2-dioxetanes providing a straightforward and scalable approach to important chemiluminescent molecular probes for bioanalytical and diagnostic applications. Moreover, the scope of the reaction was tested for the oxidation of diverse alkenes under Schenck ene conditions leading synthetically useful hydroperoxides. From this, a chemometric analysis was performed to propose a preliminary <i>in-silico</i> model useful to both rationalize and predict the photooxygenation reaction outcome.</p>","PeriodicalId":10108,"journal":{"name":"ChemPhotoChem","volume":"9 6","pages":""},"PeriodicalIF":3.0,"publicationDate":"2025-02-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cptc.202500027","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144273504","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Photochemical Surface Degradation in Spiropyran Based Films 螺旋吡喃基薄膜的光化学表面降解
IF 3 4区 化学
ChemPhotoChem Pub Date : 2025-02-13 DOI: 10.1002/cptc.202400382
Dr. Ruben Feringa, Jacopo M. Martinelli, Dr. Wesley R. Browne
{"title":"Photochemical Surface Degradation in Spiropyran Based Films","authors":"Dr. Ruben Feringa,&nbsp;Jacopo M. Martinelli,&nbsp;Dr. Wesley R. Browne","doi":"10.1002/cptc.202400382","DOIUrl":"https://doi.org/10.1002/cptc.202400382","url":null,"abstract":"<p>Functional coatings based on molecular photoswitches hold promise in photoswitching of surface properties and especially solvent contact angles. Combining molecular photoswitches with other components creates shapeable amorphous rather than crystalline surfaces. Here, a potentially polymerisable thioctic acid unit was combined with a spiropyran photochromic switch (spiropyran thioctic ester (<b>SPTE</b>)) to form amorphous photoswitchable films. The photochromism of the films shows reversibility. However, we show that the increase in surface polarity observed upon switching with UV light is due in large part to degradation at the surface that does not occur in the bulk of the films. Vibrational spectroscopy reveals that the initial photoswitching to the merocyanine state is followed by degradation. We show that the surface sensitivity of the technique used to monitor switching is critical to observing the changes that are responsible for the switching in surface polarity.</p>","PeriodicalId":10108,"journal":{"name":"ChemPhotoChem","volume":"9 6","pages":""},"PeriodicalIF":3.0,"publicationDate":"2025-02-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cptc.202400382","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144273503","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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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