RSC Applied Interfaces最新文献

{"title":"Non-covalent adsorption of neurotransmission-relevant proteins on locally laser-oxidized and pristine graphene†","authors":"Aku Lampinen, Johanna Schirmer, Aleksei Emelianov, Andreas Johansson and Mika Pettersson","doi":"10.1039/D4LF00102H","DOIUrl":"https://doi.org/10.1039/D4LF00102H","url":null,"abstract":"<p >Femtosecond pulsed laser two-photon oxidation (2PO) was used to modulate protein adsorption on graphene surfaces on a Si/SiO<small>₂</small> substrate. The adsorption behavior of calmodulin (CaM) and a muscarinic acetylcholine receptor (mAchR) fragment on pristine (Pr) and 2PO-treated graphene were studied, utilizing atomic force microscopy and infrared scattering-type scanning near-field optical microscopy for characterization. The results showed that proteins predominantly bound as a (sub-)monolayer, and selective adsorption could be achieved by carefully varying graphene oxidation level, pH during functionalization, and protein concentration. The most pronounced selectivity was observed at low 2PO levels, where predominantly only point-like oxidized defects are generated. Preferential binding on either Pr or oxidized graphene could be achieved depending on the 2PO and adsorption conditions used. Based on the incubation conditions, the surface area covered by mAchR on single-layer graphene varied from 29% (Pr) <em>vs.</em> 91% (2PO) to 48% (Pr) <em>vs.</em> 13% (2PO). For CaM, the coverage varied from 53% (Pr) <em>vs.</em> 95% (2PO) to 71% (Pr) <em>vs.</em> 52% (2PO). These results can be exploited in graphene biosensor applications <em>via</em> selective non-covalent functionalization of sensors with receptor proteins.</p>","PeriodicalId":101138,"journal":{"name":"RSC Applied Interfaces","volume":" 6","pages":" 1305-1316"},"PeriodicalIF":0.0,"publicationDate":"2024-08-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2024/lf/d4lf00102h?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142579326","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Anisotropic charge transport study of highly oriented P4T2F-HD thin film fabricated at air–liquid interface through second harmonic generation (SHG) analysis","authors":"Radhe Shyam, Takaaki Manaka and Rajiv Prakash","doi":"10.1039/D4LF00206G","DOIUrl":"https://doi.org/10.1039/D4LF00206G","url":null,"abstract":"<p >This study delves into the anisotropic carrier transport characteristics of unidirectionally aligned films made from poly(4-terthiophen-2-yl-difluorobenzothiadiazole) (P4T2F-HD) by using time-resolved microscopic optical second-harmonic generation (TRM-SHG) imaging. Utilizing the unexplored polymer P4T2F-HD for the first time, we focus on exploring its distinctive molecular orientation. This approach provides a unique opportunity to study charge transport dynamics with exceptional spatial and temporal precision within this material. Through SHG imaging, we can directly capture the directional dependency of carrier mobility within the films, uncovering a significant anisotropy in electronic transport. Our methodological approach enabled the visualization of charge movement in real-time, enabling quantitative assessments of carrier velocity and diffusion along distinct directions. The outcomes reveal a marked directional preference in carrier transport, which can be attributed to the molecular orientation and packing within the P4T2F-HD films. This anisotropy is meticulously analyzed in light of the material's electronic structure and molecular orientation, providing a thorough understanding of the forces propelling charge transport in organic semiconductor materials.</p>","PeriodicalId":101138,"journal":{"name":"RSC Applied Interfaces","volume":" 6","pages":" 1296-1304"},"PeriodicalIF":0.0,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2024/lf/d4lf00206g?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142579324","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"In pursuit of all solid state batteries (ASSB): advances at the cathode–electrolyte interface for garnet-based ASSB","authors":"Evan Kurian, Jayashree Pitchai, Soundarya Neelanarayanan and K. Ramesha","doi":"10.1039/D4LF00099D","DOIUrl":"https://doi.org/10.1039/D4LF00099D","url":null,"abstract":"<p >Garnet-based solid-state lithium-ion batteries offer great potential for safe and dense electrochemical energy storage. However, interfacial reactions and stability issues at the interfaces between the Li<small>₇</small>La<small>₃</small>Zr<small>₂</small>O<small>₁₂</small> (LLZO) electrolyte and electrode materials pose challenges to the overall performance and longevity of the batteries. Discussions of the characteristics of solid electrolytes (SEs) and the solid–electrolyte interface (SEI) at the anode side have been well documented so far. This review focuses on developments at the much more complex cathode–electrolyte interface (CEI) with garnet LLZO. The first half of the review introduces the material aspects of garnet LLZO and its challenges in integrating into solid state batteries, also giving insights into its engineering aspects. The second half is dedicated to defining the CEI, and its physico-chemical properties with an emphasis on the recent attempts addressing the CEI. A table of comparison of all the all solid state batteries (ASSBs) developed using garnet LLZO as the electrolyte is also given. The table highlights the advantages and shortcomings of various engineering strategies that utilise the solid–solid contact at the CEI. As there are numerous works that identify themselves as ASSB on paper, but not in principle, this review attempts to recognise the true innovators of all solid-state batteries.</p>","PeriodicalId":101138,"journal":{"name":"RSC Applied Interfaces","volume":" 5","pages":" 868-895"},"PeriodicalIF":0.0,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2024/lf/d4lf00099d?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142165121","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Polymeric grating prism-based dual-mode miniature surface plasmon resonance sensor chip†","authors":"Wisansaya Jaikeandee, Supeera Nootchanat, Chutiparn Lertvachirapaiboon, Sanong Ekgasit, Kazunari Shinbo, Keizo Kato and Akira Baba","doi":"10.1039/D4LF00236A","DOIUrl":"https://doi.org/10.1039/D4LF00236A","url":null,"abstract":"<p >In this study, we demonstrate the fabrication of a dual-mode miniature surface plasmon resonance (SPR) sensor using a polymeric grating prism made from a UV-curable adhesive, specifically Norland Optical Adhesive 61 (NOA 61), employing a confined sessile drop technique. The SPR excitation of the dual-mode SPR sensor chip was observed through wavelength modulation at incident angles ranging from 45° to 75° in air. The results demonstrated SPR reflectivity curves spanning the vis-NIR region. The mode of each SPR reflectivity curve was elucidated by comparing the SPR dip of the experimental results with the calculated surface plasmon (SP) dispersions. Two types of SPR modes were identified: prism-coupling SPR mode (PC-SPR mode, corresponding to +SP<small>⁰</small> of the gold–NOA 61 interface) and grating-coupling SPR mode (GC-SPR mode, corresponding to −SP<small>⁺¹</small> of the gold–air and gold–NOA 61 interfaces). In deionized water (<em>n</em> ∼ 1.33300), PC-SPR and GC-SPR modes at the gold–air interface were observed using a larger incident angle, whereas only the GC-SPR mode of the gold–NOA 61 interface was obtained at all incident angles. Additionally, the dual-mode SPR property was studied using different concentrations of ethylene glycol in aqueous solution (<em>n</em> ∼ 1.33300–1.38313). The refractive index sensitivity obtained for the PC-SPR and GC-SPR modes at the gold–air interface was 1853 and 489.6 nm per RIU, respectively. Furthermore, the dual-mode SPR sensor demonstrated selective sensitivity by incorporating materials onto a gold-coated grating prism that matched the refractive index of the target analyte and exhibited overlapping absorption at the specific SPR excitation wavelength. Its enhanced response and significant wavelength amplification allow accurate performance in selective sensing situations. These findings underscore the dual-mode SPR sensor's potential as a powerful tool for future advanced sensing and detection applications.</p>","PeriodicalId":101138,"journal":{"name":"RSC Applied Interfaces","volume":" 6","pages":" 1285-1295"},"PeriodicalIF":0.0,"publicationDate":"2024-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2024/lf/d4lf00236a?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142579325","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Electronic structure of thin MoS2 films†","authors":"Benjamin A. Chambers, Christopher T. Gibson and Gunther G. Andersson","doi":"10.1039/D4LF00165F","DOIUrl":"https://doi.org/10.1039/D4LF00165F","url":null,"abstract":"<p >The valence electron structure of exfoliated monolayer MoS<small>₂</small> deposited onto SiO<small>₂</small> was determined by UV photoelectron spectroscopy through component analysis in combination with Auger electron microscopy. The valence electron cut-off for bulk MoS<small>₂</small> was found at 0.64 eV binding energy whilst monolayer MoS<small>₂</small> and few layer MoS<small>₂</small> have higher binding energies of 0.89 eV and 1.26 eV respectively. SiO<small>₂</small> is known to interact only weakly with MoS<small>₂</small>. Thus, the valence electron structure of higher binding energy determined here is thus considered to represent that of a material not affected by strain. The implications of the change in the valence electron cut-off are discussed.</p>","PeriodicalId":101138,"journal":{"name":"RSC Applied Interfaces","volume":" 6","pages":" 1276-1284"},"PeriodicalIF":0.0,"publicationDate":"2024-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2024/lf/d4lf00165f?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142579323","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Colloidal synthesis of emission-tunable Cu-doped Zn–In–Se/ZnSe core/shell nanocrystals for lighting and bioimaging applications†","authors":"Joicy Selvaraj, Arun Mahesh, Arunkumar Dhayalan, Vaseeharan Baskaralingam, Saravanan Rajendran, Miguel Ángel Gracia Pinilla and Thangadurai Paramasivam","doi":"10.1039/D4LF00132J","DOIUrl":"https://doi.org/10.1039/D4LF00132J","url":null,"abstract":"<p >Herein, environmentally benign Cu<small>^I</small>:Zn–In–Se/ZnSe core/shell luminescent inorganic nanocrystals (NCs) were synthesized <em>via</em> a phosphine-free one-pot, two-step organometallic approach with good colloidal quality. Firstly, Cu<small>^I</small> ion-doped Zn–In–Se colloidal NCs were synthesized <em>via</em> a one-pot heating chemical method using phosphine-free, highly reactive alkylammonium selenide as a Se source. The resulting Cu<small>^I</small>-doped Zn–In–Se colloidal NCs exhibited a doping concentration-dependent colour tunable emission in the range of 450–800 nm with a poor emission intensity. Consequently, in the second, to improve the stability and emission intensity of the doped colloidal NCs, a ZnSe shell was grown over their core <em>via</em> a hot-injection chemical route. The shell growth, performed at a relatively high temperature of ∼240 °C with zinc precursor injection, initially leads to the diffusion of Zn<small>^II</small> ions into the core lattice, followed by the partial substitution with Cu<small>^I</small> and In<small>^III</small> ions close to the surface of NCs and formation of a shell layer over the core. In addition, a continuous blue shift with an increase in the intensity of the emission peak of core Cu<small>^I</small>:Zn–In–Se NCs, caused by partial cation exchange, was observed after sequential Zn precursor injections at specified intervals. The prolonged radiative lifetime of the NCs was observed with the successive injection of the shell precursor, reaching the highest value of 348.7 ns. Subsequently, the potential application of these Cu<small>^I</small>:Zn–In–Se/ZnSe core–shell NCs in flexible electronics and live-cell imaging was tested. Flexible nanocomposite films of polymer–NCs were prepared <em>via</em> the solution drop-casting technique. The composite films showed a good level of optical transmission in the visible region and good PL emission intensity. Moreover, cytotoxicity and optical live-cell imaging studies were carried out and the results revealed that the 11-mercaptoundecanoic acid-capped Cu<small>^I</small>:Zn–In–Se/ZnSe core–shell NCs are biocompatible with the potential for use in the bio-imaging application as a luminescent agent.</p>","PeriodicalId":101138,"journal":{"name":"RSC Applied Interfaces","volume":" 6","pages":" 1317-1333"},"PeriodicalIF":0.0,"publicationDate":"2024-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2024/lf/d4lf00132j?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142579328","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Assessing the potential of non-pyrophoric Zn(DMP)2 for the fast deposition of ZnO functional coatings by spatial atomic layer deposition†","authors":"Liam Johnston, Jorit Obenlüneschloß, Muhammad Farooq Khan Niazi, Matthieu Weber, Clément Lausecker, Laetitia Rapenne, Hervé Roussel, Camilo Sanchez-Velazquez, Daniel Bellet, Anjana Devi and David Muñoz-Rojas","doi":"10.1039/D4LF00160E","DOIUrl":"https://doi.org/10.1039/D4LF00160E","url":null,"abstract":"<p >Spatial atomic layer deposition (SALD) is a promising thin film deposition technique that enables fast, large-scale deposition and nanoscale thickness control by utilizing spatially separated precursor vapors and a substrate-specimen relative motion, while being feasible in atmospheric pressure conditions. This study explores the use of a non-pyrophoric precursor, Zn(DMP)<small>₂</small>, in open-air SALD to produce ZnO, and compares the SALD processing speed, and thin film properties, as well as the environmental impact of using this precursor <em>versus</em> the more conventional diethylzinc (DEZ), whose pyrophoricity discourages open-air processing. For this purpose, a life cycle analysis (LCA) study was carried out. Our investigation shows that Zn(DMP)<small>₂</small> open-air SALD can yield ZnO films faster than conventional ALD using DEZ, producing high purity ZnO films with a growth per cycle of 0.7 Å at 180 °C, which corresponds to 184 Å min<small>⁻¹</small> maximal growth rate. Emphasizing practical applications, the conformality of the ZnO coating produced around silver nanowire (AgNW) networks by Zn(DMP)<small>₂</small> open-air SALD and the functionality of these protective coatings has also been demonstrated. The resulting transparent conductive nanocomposites had a substantially improved durability on par with their DEZ-synthesized counterparts.</p>","PeriodicalId":101138,"journal":{"name":"RSC Applied Interfaces","volume":" 6","pages":" 1371-1381"},"PeriodicalIF":0.0,"publicationDate":"2024-07-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2024/lf/d4lf00160e?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142579333","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Correction: Polyvinylpyrrolidone-mediated synthesis of ultra-stable gold nanoparticles in a nonaqueous choline chloride–urea deep eutectic solvent","authors":"Raúl Ortega-Córdova, Kaori Sánchez-Carrillo, Saúl Carrasco-Saavedra, Gonzalo Ramírez-García, María G. Pérez-García, J. Félix Armando Soltero-Martínez and Josué D. Mota-Morales","doi":"10.1039/D4LF90023E","DOIUrl":"https://doi.org/10.1039/D4LF90023E","url":null,"abstract":"<p >Correction for ‘Polyvinylpyrrolidone-mediated synthesis of ultra-stable gold nanoparticles in a nonaqueous choline chloride–urea deep eutectic solvent’ by Raúl Ortega-Córdova <em>et al.</em>, <em>RSC Appl. Interfaces</em>, 2024, <strong>1</strong>, 600–611, https://doi.org/10.1039/D3LF00261F.</p>","PeriodicalId":101138,"journal":{"name":"RSC Applied Interfaces","volume":" 5","pages":" 1093-1093"},"PeriodicalIF":0.0,"publicationDate":"2024-07-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2024/lf/d4lf90023e?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142165117","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Investigation into the adhesion properties of PFAS on model surfaces†","authors":"Jack Welchert, McKenna Dunmyer, Lynn Carroll, Irbis Martinez, Trisha J. Lane, Daniel A. Bellido-Aguilar, Suchol Savagatrup and Vasiliki Karanikola","doi":"10.1039/D4LF00228H","DOIUrl":"https://doi.org/10.1039/D4LF00228H","url":null,"abstract":"<p >Perfluoroalkyl substances (PFAS) are a category of environmental contaminants of increasing global concern. Common treatments are adsorption, ion exchange and pressure-driven membrane processes, all of which are non-selective, demonstrate quick breakthrough, unsustainable regeneration, and require disposal of concentrates with high PFAS concentrations. The challenges presented by modern treatment practices to sustainably remove PFAS from water have led researchers to investigate alternative, economically viable PFAS remediation options such as development of novel sorbents. An integral step in developing novel PFAS removal matrices is material characterization; specifically pertaining to molecular interactions between adsorbent and adsorbate. To investigate this fundamental relationship, atomic force microscopy (AFM) was utilized to produce force profiles between two PFAS, perfluorooctanesulfonate (PFOS) and perfluorobutanesulfonate (PFBS), and surfaces in different conditions. Silicon wafers were surface modified with three silane molecules: aminopropyltriethoxysilane (APTES), triethoxy(octyl)silane, and trimethoxy(octdecyl)silane to observe the effect of surface polarity and hydrophobicity on PFAS adhesion. Force spectroscopy measurements taken with AFM were conducted in deionized water, sodium chloride, and magnesium chloride to examine the impact of ions on PFAS adhesion. The results of this study show that the force of PFAS adhesion onto surfaces is lowest in deionized water and increases in strength with addition of divalent cations.</p>","PeriodicalId":101138,"journal":{"name":"RSC Applied Interfaces","volume":" 6","pages":" 1265-1275"},"PeriodicalIF":0.0,"publicationDate":"2024-07-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2024/lf/d4lf00228h?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142579322","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Light-driven interfaces for PFAS detection and destruction","authors":"Frank R. A. Schrama, Scott E. Massimi, Michael R. Dooley, Brian G. Trewyn, Shubham Vyas and Ryan M. Richards","doi":"10.1039/D4LF00171K","DOIUrl":"https://doi.org/10.1039/D4LF00171K","url":null,"abstract":"<p >Due to exposure risks and health concerns, global limitations on per- and polyfluoroalkyl substances (PFAS) have become increasingly restrictive over the last few years, with limitations of some legacy PFAS in drinking water reaching single digit ppt in the United States and certain European countries. As the allotted maxima for contamination have reached such low levels, broad research efforts in the degradation and detection of PFAS materials are being intensely investigated. Light driven technologies (photocatalysis and plasmonics) represent important interfacial phenomena with potential to detect and/or decompose PFAS. Despite the commonalities at the interface, little discussion merging detection and destruction exists, thereby resulting in minimal transference of concepts, experimental success, and potential dual functionality systems. This review will cover the basics of photocatalytic degradation technologies surrounding PFAS, the basics of plasmonics for PFAS detection, and a discussion on how these fields can progress in future work.</p>","PeriodicalId":101138,"journal":{"name":"RSC Applied Interfaces","volume":" 5","pages":" 833-845"},"PeriodicalIF":0.0,"publicationDate":"2024-07-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2024/lf/d4lf00171k?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142165119","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}