New Journal of Chemistry最新文献

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Unveiling the aggregation-induced chromic emission of triazine anchored BODIPYs† 揭示三嗪锚定 BODIPY 的聚合诱导色发射
IF 2.7 3区 化学
New Journal of Chemistry Pub Date : 2024-09-19 DOI: 10.1039/D4NJ03757J
Pranay Satardekar, Vaishali Chaudhari, Zahir Ali Siddiqui, Sushil Lambud, Nagaiyan Sekar, Rajesh Bhosale and Sandeep More
{"title":"Unveiling the aggregation-induced chromic emission of triazine anchored BODIPYs†","authors":"Pranay Satardekar, Vaishali Chaudhari, Zahir Ali Siddiqui, Sushil Lambud, Nagaiyan Sekar, Rajesh Bhosale and Sandeep More","doi":"10.1039/D4NJ03757J","DOIUrl":"10.1039/D4NJ03757J","url":null,"abstract":"<p >BODIPY derivatives based on 2,4,6-trichloro-1,3,5-triazine have been successfully synthesized and characterized. These molecular systems demonstrate restricted intramolecular rotation (RIR) and J-aggregation, leading to aggregation-induced chromic emission (AICE), with notable green-red fluorescence color switching. Additionally, these derivatives exhibit distinctive self-assembly behaviour and solid-state emission properties. These findings showcase their potential for diverse applications across multiple fields.</p>","PeriodicalId":95,"journal":{"name":"New Journal of Chemistry","volume":null,"pages":null},"PeriodicalIF":2.7,"publicationDate":"2024-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142253101","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}
引用次数: 0
Catalytic asymmetric synthesis of guaiazulene analogues† 瓜氮烯类似物的催化不对称合成†。
IF 2.7 3区 化学
New Journal of Chemistry Pub Date : 2024-09-19 DOI: 10.1039/D4NJ02771J
Xiang Ji, Shengwen Yang, Zhifei Zhao and Shi-Wu Li
{"title":"Catalytic asymmetric synthesis of guaiazulene analogues†","authors":"Xiang Ji, Shengwen Yang, Zhifei Zhao and Shi-Wu Li","doi":"10.1039/D4NJ02771J","DOIUrl":"https://doi.org/10.1039/D4NJ02771J","url":null,"abstract":"<p >The asymmetric Michael addition reaction of guaiazulene to α,β-unsaturated 2-acyl imidazoles was developed with a chiral-at-metal Rh(<small>III</small>) complex as the catalyst for the first time. The corresponding adducts were obtained in good yields (76–98%) with excellent enantioselectivities (up to 99%). The reaction could be conducted on a gram-scale with a low catalyst loading (0.05 mol%) without impacting its efficiency. DFT studies rationalize the enantioselectivity of the reaction.</p>","PeriodicalId":95,"journal":{"name":"New Journal of Chemistry","volume":null,"pages":null},"PeriodicalIF":2.7,"publicationDate":"2024-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142434710","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}
引用次数: 0
Study on the photo-assisted activation of PMS by CuMo1−xWxO4 for degradation of tetracycline† CuMo1-xWxO4 光助活化 PMS 以降解四环素的研究
IF 2.7 3区 化学
New Journal of Chemistry Pub Date : 2024-09-19 DOI: 10.1039/D4NJ03347G
Yonglei Xing, Yongqin Chen, Fenyi Tian, Xiaoyong Jin, Hafiz Muhammad Asif Javed and Gang Ni
{"title":"Study on the photo-assisted activation of PMS by CuMo1−xWxO4 for degradation of tetracycline†","authors":"Yonglei Xing, Yongqin Chen, Fenyi Tian, Xiaoyong Jin, Hafiz Muhammad Asif Javed and Gang Ni","doi":"10.1039/D4NJ03347G","DOIUrl":"10.1039/D4NJ03347G","url":null,"abstract":"<p >In this study, a series of CuMo<small><sub>1−<em>x</em></sub></small>W<small><sub><em>x</em></sub></small>O<small><sub>4</sub></small> solid solutions (CMWO) were prepared by adjusting the ratio of Mo to W. The morphology, phase, specific surface area, and valence state of the catalysts were characterized using SEM, TEM, XRD, BET, and XPS analysis. The photoelectric characteristics of the CuMo<small><sub>1−<em>x</em></sub></small>W<small><sub><em>x</em></sub></small>O<small><sub>4</sub></small> solid solution materials were analyzed in detail using Mott–Schottky, EIS, PL, and UV-vis DRS analysis. The experimental results show that the energy band structure of the CMWO solid solutions can be tuned to inhibit the carrier recombination under light excitation, thereby facilitating effective electron–hole pair separation. This significantly enhances the performance of photo-assisted PMS activation for tetracycline (TC) degradation. The solid solution material CMWO-3, with a Mo/W ratio of 7 : 3, achieved a TC degradation rate of 88% at pH 5. After five cycles, the TC degradation rate remained at 86%. Throughout the reaction process, photocatalysis and PMS activation exhibited a synergistic effect, generating reactive species such as SO<small><sub>4</sub></small>˙<small><sup>−</sup></small>, ˙OH, <small><sup>1</sup></small>O<small><sub>2</sub></small>, and ˙O<small><sub>2</sub></small><small><sup>−</sup></small>.</p>","PeriodicalId":95,"journal":{"name":"New Journal of Chemistry","volume":null,"pages":null},"PeriodicalIF":2.7,"publicationDate":"2024-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142253100","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}
引用次数: 0
Correction: Fluorescence imaging of cellular GSH to reveal the hindering influence of rutin on ferroptosis 更正:细胞 GSH 荧光成像揭示芦丁对铁突变的阻碍作用
IF 2.7 3区 化学
New Journal of Chemistry Pub Date : 2024-09-19 DOI: 10.1039/D4NJ90129K
Abdul Hadi Mehmood, Jia Chang, Yan Wang, Shijing Li, Jiale Ma, Baoli Dong and Hong Liu
{"title":"Correction: Fluorescence imaging of cellular GSH to reveal the hindering influence of rutin on ferroptosis","authors":"Abdul Hadi Mehmood, Jia Chang, Yan Wang, Shijing Li, Jiale Ma, Baoli Dong and Hong Liu","doi":"10.1039/D4NJ90129K","DOIUrl":"10.1039/D4NJ90129K","url":null,"abstract":"<p >Correction for ‘Fluorescence imaging of cellular GSH to reveal the hindering influence of rutin on ferroptosis’ by Abdul Hadi Mehmood <em>et al.</em>, <em>New J. Chem.</em>, 2024, <strong>48</strong>, 14175–14181, https://doi.org/10.1039/D4NJ00397G.</p>","PeriodicalId":95,"journal":{"name":"New Journal of Chemistry","volume":null,"pages":null},"PeriodicalIF":2.7,"publicationDate":"2024-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2024/nj/d4nj90129k?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142253102","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}
引用次数: 0
A low-temperature solution route for the synthesis of single crystals of BaSe3 and its photovoltaic study† 合成 BaSe3 单晶体的低温溶液路线及其光电研究
IF 2.7 3区 化学
New Journal of Chemistry Pub Date : 2024-09-18 DOI: 10.1039/D4NJ03041A
Komal Srivastava, Akshay K. Ray, Sweta Yadav, Melepurath Deepa and Jai Prakash
{"title":"A low-temperature solution route for the synthesis of single crystals of BaSe3 and its photovoltaic study†","authors":"Komal Srivastava, Akshay K. Ray, Sweta Yadav, Melepurath Deepa and Jai Prakash","doi":"10.1039/D4NJ03041A","DOIUrl":"10.1039/D4NJ03041A","url":null,"abstract":"<p >Cadmium chalcogenides are excellent materials for solar cell applications but are also toxic. Thus, new environmentally friendly metal chalcogenides with good photovoltaic properties need to be developed for sustainable applications. Herein, we describe the preparation of red-colored crystals of BaSe<small><sub>3</sub></small> using a low-temperature solution route for the first time. The BaSe<small><sub>3</sub></small> structure was determined and refined using a single-crystal X-ray diffraction study. The tetragonal BaSe<small><sub>3</sub></small> (space group: <em>P</em><img>2<small><sub>1</sub></small><em>m</em>) phase has cell constants of <em>a</em> = <em>b</em> = 7.2871(3) Å and <em>c</em> = 4.2516(3) Å. The chemical bonding in the BaSe<small><sub>3</sub></small> structure can be described using the Zintl–Klemm concept. The Ba atoms of the structure donate electrons to the Se atoms to form the trimeric Se<small><sub>3</sub></small><small><sup>2−</sup></small> Zintl anions. We have investigated the physical properties of a polycrystalline BaSe<small><sub>3</sub></small> sample, which was synthesized at high temperatures <em>via</em> a reaction of pure elements. The sample is a semiconductor with direct and indirect optical bandgap energies of 1.7(2) eV and 1.6(2) eV, respectively, as estimated using the Tauc plot method. The polycrystalline BaSe<small><sub>3</sub></small> sample's total thermal conductivity (<em>κ</em><small><sub><em>tot</em></sub></small>) is 1.07 W m<small><sup>−1</sup></small> K<small><sup>−1</sup></small> near room temperature, which gradually drops to 0.47 W m<small><sup>−1</sup></small> K<small><sup>−1</sup></small> on heating the sample to 773 K. The photovoltaic studies of the material, BaSe<small><sub>3</sub></small>, show a 20.4% increment in efficiency with its inclusion in the TiO<small><sub>2</sub></small>/CdS photoanode due to enhanced light-harvesting and suppressed recombination at the photoanode/electrolyte interface.</p>","PeriodicalId":95,"journal":{"name":"New Journal of Chemistry","volume":null,"pages":null},"PeriodicalIF":2.7,"publicationDate":"2024-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142253124","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}
引用次数: 0
Fabrication of a superhydrophobic cotton@LDH composite for effective oil adsorption 制作超疏水棉@LDH 复合材料,实现有效吸油
IF 2.7 3区 化学
New Journal of Chemistry Pub Date : 2024-09-18 DOI: 10.1039/D4NJ03370A
Shihao Nie, Atian Xie, Jiangping Rui, Jiawei Meng, Fan Wang, Huiqing Feng, Zhijun Ge, Can Wei, Jirong Luo and Jiuyun Cui
{"title":"Fabrication of a superhydrophobic cotton@LDH composite for effective oil adsorption","authors":"Shihao Nie, Atian Xie, Jiangping Rui, Jiawei Meng, Fan Wang, Huiqing Feng, Zhijun Ge, Can Wei, Jirong Luo and Jiuyun Cui","doi":"10.1039/D4NJ03370A","DOIUrl":"10.1039/D4NJ03370A","url":null,"abstract":"<p >The development of superhydrophobic materials with inexpensive cost, and simple preparation processes is crucial for alleviating oil pollution. In this paper, cotton-based composites (cotton@LDH-SA) were prepared by an <em>in situ</em> hydrothermal growth and simple impregnation method. The needle-like Ni–Co LDHs growing on the surface of the cotton fibers formed micro/nano hierarchical structures, and subsequently grafted stearic acid endowing the composite with superwettability. The optimized cotton@LDH-SA possesses a superior superhydrophobicity with a water contact angle of 161.6 ± 2°. The prepared composite adsorbent exhibits excellent oil absorption performance with an adsorption capacity of more than 10 times its own mass. The adsorbent has acceptable reusability, and after 6 cycles of repeated adsorption, the adsorption rate remains at 72.4%. Given the excellent economic and renewable properties of cotton, this composite adsorbent has great potential for application in large-scale production and oil–water separation.</p>","PeriodicalId":95,"journal":{"name":"New Journal of Chemistry","volume":null,"pages":null},"PeriodicalIF":2.7,"publicationDate":"2024-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142253126","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}
引用次数: 0
The reaction mechanism and kinetics of H2O2 production on graphene modified by oxygen functional groups: the effect of an aqueous environment† 氧官能团修饰的石墨烯产生 H2O2 的反应机制和动力学:水环境的影响
IF 2.7 3区 化学
New Journal of Chemistry Pub Date : 2024-09-18 DOI: 10.1039/D4NJ03228D
Shiyi Zhang, Feifei Jiang, Yuanjie Zheng, Wenjing Tu, Shuoshuo Fu, Guangxu Chen and Yun Zhao
{"title":"The reaction mechanism and kinetics of H2O2 production on graphene modified by oxygen functional groups: the effect of an aqueous environment†","authors":"Shiyi Zhang, Feifei Jiang, Yuanjie Zheng, Wenjing Tu, Shuoshuo Fu, Guangxu Chen and Yun Zhao","doi":"10.1039/D4NJ03228D","DOIUrl":"10.1039/D4NJ03228D","url":null,"abstract":"<p >Carbon-based materials incorporated with oxygen functional groups (OFGs-Gr) exhibit outstanding electrocatalytic performance for hydrogen peroxide (H<small><sub>2</sub></small>O<small><sub>2</sub></small>) production <em>via</em> the two-electron oxygen reduction reaction (2e<small><sup>−</sup></small> ORR). Currently, the nature of the active functional group and the underlying reaction mechanism are still under debate. Herein, we constructed the OFGs-Gr structures and systematically investigated the effect of the aqueous environment (including pH and electrode potential) on the catalyst performance in combination with <em>ab initio</em> molecular dynamics (AIMD). The carboxyl group (COOH-Gr structure) plays a key role in the neutral solution environment. The water molecules on COOH-Gr effectively modified the interaction of the C sites with OOH. The adsorption strength of OOH increases with increasing pH, resulting in an ether group (dopant-Gr in the C–O–C structure), maintaining excellent properties in alkaline media. Furthermore, our calculations demonstrate that the selectivity of H<small><sub>2</sub></small>O<small><sub>2</sub></small> generation for dopant-Gr is increased by an elevated electrode potential, while the selectivity for COOH-Gr is decreased. These findings provide a dynamic perspective that elucidates that both pH and electrode potential synergistically influence the catalytic properties for H<small><sub>2</sub></small>O<small><sub>2</sub></small> synthesis.</p>","PeriodicalId":95,"journal":{"name":"New Journal of Chemistry","volume":null,"pages":null},"PeriodicalIF":2.7,"publicationDate":"2024-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142253174","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}
引用次数: 0
Chiral metal–dithiocarbamate complexes with pendant phenolic groups: synthesis, crystallographic, photophysical and in silico study† 手性金属-二硫代氨基甲酸盐络合物--含有酚类基团:合成、晶体学、光物理和微观研究
IF 2.7 3区 化学
New Journal of Chemistry Pub Date : 2024-09-18 DOI: 10.1039/D4NJ03057E
Shailykumari K. Patel, Aniket A. Deshmukh, Lata Kahar, Pallepogu Raghavaiah and Vinay K. Singh
{"title":"Chiral metal–dithiocarbamate complexes with pendant phenolic groups: synthesis, crystallographic, photophysical and in silico study†","authors":"Shailykumari K. Patel, Aniket A. Deshmukh, Lata Kahar, Pallepogu Raghavaiah and Vinay K. Singh","doi":"10.1039/D4NJ03057E","DOIUrl":"10.1039/D4NJ03057E","url":null,"abstract":"&lt;p &gt;We report a novel series of chiral monometallic dithiocarbamate complexes with pendant phenolic groups, formulated as [M{κ&lt;small&gt;&lt;sub&gt;2&lt;/sub&gt;&lt;/small&gt;S^S-S&lt;small&gt;&lt;sub&gt;2&lt;/sub&gt;&lt;/small&gt;CN(CH&lt;small&gt;&lt;sub&gt;2&lt;/sub&gt;&lt;/small&gt;PhOH)(CH(&lt;em&gt;S&lt;/em&gt;-CH&lt;small&gt;&lt;sub&gt;3&lt;/sub&gt;&lt;/small&gt;))(NaPh)}&lt;small&gt;&lt;sub&gt;2&lt;/sub&gt;&lt;/small&gt;] (M = Ni(&lt;small&gt;II&lt;/small&gt;) &lt;em&gt;S&lt;/em&gt;,&lt;em&gt;S&lt;/em&gt;-&lt;strong&gt;1&lt;/strong&gt;, Cu(&lt;small&gt;II&lt;/small&gt;) &lt;em&gt;S&lt;/em&gt;,&lt;em&gt;S&lt;/em&gt;-&lt;strong&gt;2&lt;/strong&gt;, Zn(&lt;small&gt;II&lt;/small&gt;) &lt;em&gt;S&lt;/em&gt;,&lt;em&gt;S&lt;/em&gt;-&lt;strong&gt;3&lt;/strong&gt;) and [M{κ&lt;small&gt;&lt;sub&gt;2&lt;/sub&gt;&lt;/small&gt;S^S-S&lt;small&gt;&lt;sub&gt;2&lt;/sub&gt;&lt;/small&gt;CN(CH&lt;small&gt;&lt;sub&gt;2&lt;/sub&gt;&lt;/small&gt;PhOH)(CH(&lt;em&gt;R&lt;/em&gt;-CH&lt;small&gt;&lt;sub&gt;3&lt;/sub&gt;&lt;/small&gt;))(NaPh)}&lt;small&gt;&lt;sub&gt;2&lt;/sub&gt;&lt;/small&gt;] (M = Ni(&lt;small&gt;II&lt;/small&gt;) &lt;em&gt;R&lt;/em&gt;,&lt;em&gt;R&lt;/em&gt;-&lt;strong&gt;4&lt;/strong&gt;, Cu(&lt;small&gt;II&lt;/small&gt;) &lt;em&gt;R&lt;/em&gt;,&lt;em&gt;R&lt;/em&gt;-&lt;strong&gt;5&lt;/strong&gt;, Zn(&lt;small&gt;II&lt;/small&gt;) &lt;em&gt;R&lt;/em&gt;,&lt;em&gt;R&lt;/em&gt;-&lt;strong&gt;6&lt;/strong&gt;). These compounds were synthesized through a process involving chiral amino precursors &lt;em&gt;S&lt;/em&gt;-HL&lt;small&gt;&lt;sup&gt;1&lt;/sup&gt;&lt;/small&gt;, &lt;em&gt;R&lt;/em&gt;-HL&lt;small&gt;&lt;sup&gt;2&lt;/sup&gt;&lt;/small&gt;, CS&lt;small&gt;&lt;sub&gt;2&lt;/sub&gt;&lt;/small&gt; and the corresponding metal acetates. All the compounds have been characterized by microanalysis and standard spectroscopic methods such as &lt;small&gt;&lt;sup&gt;1&lt;/sup&gt;&lt;/small&gt;H and &lt;small&gt;&lt;sup&gt;13&lt;/sup&gt;&lt;/small&gt;C{&lt;small&gt;&lt;sup&gt;1&lt;/sup&gt;&lt;/small&gt;H}NMR, IR, UV-visible absorption and EPR spectroscopy. The spectral data suggest a square planar coordination geometry around the nickel(&lt;small&gt;II&lt;/small&gt;) and copper(&lt;small&gt;II&lt;/small&gt;) centers and a tetrahedral coordination geometry around zinc(&lt;small&gt;II&lt;/small&gt;), which is corroborated by density functional theory calculations. The unprecedented molecular structures of imine precursors &lt;em&gt;S&lt;/em&gt;-I, &lt;em&gt;R&lt;/em&gt;-I and Ni(&lt;small&gt;II&lt;/small&gt;)-dithiocarbamate complex &lt;em&gt;S&lt;/em&gt;,&lt;em&gt;S&lt;/em&gt;-&lt;strong&gt;1&lt;/strong&gt; were elucidated by single crystal X-ray diffraction (SCXRD), and their crystal packing patterns were studied. Evidently, the change in chirality could not induce changes in the donor–acceptor sites of &lt;em&gt;S&lt;/em&gt;-I and &lt;em&gt;R&lt;/em&gt;-I, and their molecules are primarily stabilized by O–H⋯N and C–H⋯π interactions, forming a 2D sheet-like structure in the &lt;em&gt;ab&lt;/em&gt;-plane. Notably, the chiral &lt;em&gt;S&lt;/em&gt;,&lt;em&gt;S&lt;/em&gt;-&lt;strong&gt;1&lt;/strong&gt; complex crystallized in a monomeric achiral space group (triclinic, P1) in which two dithiocarbamate ligands are bonded to the nickel(&lt;small&gt;II&lt;/small&gt;) ion in a S^S chelating mode forming a square planar geometry around the metal center. The photophysical properties of all the compounds have been investigated using UV-visible absorption, emission, and thermogravimetric analyses. Compounds exhibited intense blue photoluminescence with maximum emissions in the 330–336 nm region upon excitation in the UV region. A molecular docking study was performed to validate the potentials of these compounds in protein–ligand interactions against B-DNA Dodecamer (PDB Id: 1BNA) and cyclins (PDB Id: 1w98), which are indeed essential proteins of the cell","PeriodicalId":95,"journal":{"name":"New Journal of Chemistry","volume":null,"pages":null},"PeriodicalIF":2.7,"publicationDate":"2024-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142253175","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}
引用次数: 0
Handedness inversion of the Bragg reflection light of cholesteric liquid crystal polymer network films using a half-wave plate† 利用半波板反转胆甾液晶聚合物网络薄膜的布拉格反射光的手性
IF 2.7 3区 化学
New Journal of Chemistry Pub Date : 2024-09-18 DOI: 10.1039/D4NJ02983F
Ming Zhang, Baozong Li, Wei Liu, Yi Li and Yonggang Yang
{"title":"Handedness inversion of the Bragg reflection light of cholesteric liquid crystal polymer network films using a half-wave plate†","authors":"Ming Zhang, Baozong Li, Wei Liu, Yi Li and Yonggang Yang","doi":"10.1039/D4NJ02983F","DOIUrl":"10.1039/D4NJ02983F","url":null,"abstract":"<p >Colourful cholesteric liquid crystal polymer network (CLCN) films can selectively reflect circularly polarized light whose handedness is consistent with that of the CLCN films. The CLCN patterns have been applied for decoration and anti-counterfeiting. Herein, colourful patterns are prepared using a CLCN pattern and a nematic liquid crystal polymer network (NLCN) film. The structural colours are controlled by the helical pitches of the CLCN pattern. The NLCN film acts as the half-wave plate to invert the handedness of the circularly polarized lights reflected by the CLCN pattern. The sandwiched R-CLCN (right-handed CLCN)/NLCN/R-CLCN film can reflect both a left- and a right-handed circularly polarized light. The reflectance of this sandwiched film can be tuned by changing the NLCN and R-CLCN film thicknesses. Moreover, a colour pattern is also prepared based on this sandwiched structure, which is potentially applied for decoration and anti-counterfeiting.</p>","PeriodicalId":95,"journal":{"name":"New Journal of Chemistry","volume":null,"pages":null},"PeriodicalIF":2.7,"publicationDate":"2024-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142253130","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}
引用次数: 0
Functional modification of graphene nanoparticles: covalent grafting of peptides and π bonding for drug loading and delivery† 石墨烯纳米颗粒的功能修饰:多肽的共价接枝和π键合用于载药和给药
IF 2.7 3区 化学
New Journal of Chemistry Pub Date : 2024-09-18 DOI: 10.1039/D4NJ02525C
Kaiyue Hu, Luigi Brambilla, Paola Moretti, Chiara Bertarelli, Chiara Castiglioni, Giuseppe Pappalardo and Giuseppina Sabatino
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