{"title":"Highly sensitive plasmonic coupling in metal-semiconductor heterostructure revealed by surface-enhanced Raman spectroscopy","authors":"Temesgen Geremew Tefery, Adhimoorthy Prasannan, Hsieh-Chih Tsai","doi":"10.1016/j.inoche.2026.117497","DOIUrl":"10.1016/j.inoche.2026.117497","url":null,"abstract":"<div><div>Plasmonic metal–semiconductor heterostructures represent a promising frontier for manipulating nanoscale interactions between light and matter, yet the fundamental mechanisms governing plasmonic coupling and interfacial CT dynamics remain insufficiently understood. Here, we report a synergistically engineered CoS/Ag heterostructure that exhibits highly sensitive and tunable plasmonic behavior, elucidated via SERS. By coupling near infrared (NIR)-active plasmonic CoS NPs with visible-range SPR-active Ag NPs, we induce a distinct hybridized SPR mode manifesting as a red-shifted Ag resonance and a blue-shifted CoS plasmonic band. This spectral reshaping dramatically amplifies localized electromagnetic fields and enhances CT efficiency across the metal–semiconductor interface. The CoS/Ag heterostructure achieves an impressive SERS enhancement factor of approximately 5.2 × 10<sup>5</sup> for R6G, with a detection threshold reaching 1.4 × 10<sup>−16</sup> M. Although R6G was employed as a model Raman probe molecule in this study, the observed plasmonic coupling and interfacial charge-transfer mechanisms suggest broader applicability toward other Raman-active analytes. Furthermore, the system demonstrates excellent signal reproducibility (RSD = 5.4%) and long-term stability over 10 days. We suggest a mechanism for coupled plasmon-induced charge transfer (CPICT), wherein photoexcitation of Ag nanoparticles facilitates resonant energy transfer to CoS, promoting efficient electron–hole pair generation and interfacial CT. These findings provide fundamental insights into plasmon–exciton coupling in hybrid nanostructures and establish a versatile platform for developing next-generation optoelectronic, photocatalytic, and ultrasensitive molecular sensing technologies.</div></div>","PeriodicalId":13609,"journal":{"name":"Inorganic Chemistry Communications","volume":"194 ","pages":"Article 117497"},"PeriodicalIF":5.9,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148870785","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}
Muhammad Aman, G. Murtaza, Abid Iqbal, Fakhr Alam, Sohail Mumtaz
{"title":"Advanced computational study of electronic, optical, thermoelectric, and thermodynamic properties of quaternary Zintl KX2Cd2Sb3 (X = Ca, Sr) phases for energy application","authors":"Muhammad Aman, G. Murtaza, Abid Iqbal, Fakhr Alam, Sohail Mumtaz","doi":"10.1016/j.inoche.2026.117503","DOIUrl":"10.1016/j.inoche.2026.117503","url":null,"abstract":"<div><div>The Quaternary Zintl materials have gained great attention in recent time because to their unique structure and promising thermoelectric performance. In this paper, the quaternary Zintl compound KX<sub>2</sub>Cd<sub>2</sub>Sb<sub>3</sub> (X = Ca, Sr) is thoroughly studied using the full-potential linearized augmented plane-wave plus local orbitals (FP-LAPW+lo) method within density functional theory. The exchange-correlation effects are treated using the GGA-PBE functional, while the modified Becke–Johnson (TB-mBJ) potential is employed to obtain accurate electronic properties. Band structures reveal these compounds are direct bandgap semiconductors. The complex quaternary Zintl phases exhibit promising electronic and optical properties, highlighting their potential for optoelectronic applications. The thermoelectric performance measured using the BoltzTraP code, indicates a notable <em>ZT</em> value of 0.70 for KCa<sub>2</sub>Cd<sub>2</sub>Sb<sub>3</sub> and 0.71 for KSr<sub>2</sub>Cd<sub>2</sub>Sb<sub>3</sub> at 800 K, establishing it as very effective for thermoelectric application. Furthermore, their favorable thermoelectric properties, including high Seebeck coefficients and intrinsically low lattice thermal conductivity, make them attractive candidates for thermoelectric generators capable of efficient waste heat recovery and sustainable energy conversion.</div></div>","PeriodicalId":13609,"journal":{"name":"Inorganic Chemistry Communications","volume":"194 ","pages":"Article 117503"},"PeriodicalIF":5.9,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148870771","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}
Łukasz Szeleszczuk, Muhammad Usman Khan, Katarzyna Mądra-Gackowska, Marcin Gackowski
{"title":"From UV to infrared: Tunable electronic and optical properties of BaThO3 and BaThX3 (X = S, se, Te) Perovskites driven by chalcogen Substitution","authors":"Łukasz Szeleszczuk, Muhammad Usman Khan, Katarzyna Mądra-Gackowska, Marcin Gackowski","doi":"10.1016/j.inoche.2026.117505","DOIUrl":"10.1016/j.inoche.2026.117505","url":null,"abstract":"<div><div>The search for efficient materials for optoelectronic, photovoltaic, and thermoelectric applications has driven significant interest in perovskite systems. However, thorium-based and chalcogen-substituted compounds remain largely unexplored, motivating a comprehensive first-principles investigation. Unlike conventional oxide perovskites, the present work explores the systematic replacement of oxygen with heavier chalcogen anions (S, Se, and Te) in BaThO<sub>3</sub>, providing insight into the role of anion substitution in tuning structural stability, electronic structure, optical response, and thermal behavior. Furthermore, the influence of heavy-element electronic states, particularly Th-derived f-orbital contributions, is analyzed to understand their role in the observed property evolution. In this work, the structural, electronic, optical, mechanical, and thermal properties of BaThO<sub>3</sub> and BaThX<sub>3</sub> (X = S, Se, Te) are systematically studied. The optimized results confirm that all compounds are stable in a cubic phase, with lattice expansion and phonon softening observed upon chalcogen substitution from O to Te. Phonon dispersion calculations confirm the dynamical stability of BaThO<sub>3</sub>, BaThS<sub>3</sub>, and BaThTe<sub>3</sub>, while BaThSe<sub>3</sub> exhibits only a negligible imaginary phonon mode near the Γ-point, indicating that it is close to dynamical stability. Electronic structure analysis reveals that all compounds are semiconductors with a significant reduction in band gap from BaThO<sub>3</sub> to BaThTe<sub>3</sub>, along with a transition from direct to indirect band gap nature. The band gap range suggests that BaThO<sub>3</sub> is more suitable for ultraviolet optoelectronic devices, while BaThS<sub>3</sub> and BaThSe<sub>3</sub>, with moderate band gaps, are promising candidates for photovoltaic (solar cell) applications due to their improved visible light absorption. In particular, BaThTe<sub>3</sub>, with its narrow band gap and strong absorption in the visible region, is potentially interesting for infrared optoelectronic and photodetection applications based on its relatively narrow band gap and calculated optical response. Optical properties further support these findings, showing a pronounced redshift, enhanced dielectric response, and high absorption coefficients (~10<sup>6</sup> cm<sup>−1</sup>) across the series. The combination of suitable band gaps, strong optical absorption, and enhanced dielectric response highlights the potential of these compounds as promising candidates for further investigation as photovoltaic absorber materials. Mechanical analysis confirms that all compounds are elastically stable and ductile. Overall, the present theoretical results provide valuable insights into composition-dependent property engineering in thorium-based perovskites and offer a useful foundation for future experimental investigations.</div></div>","PeriodicalId":13609,"journal":{"name":"Inorganic Chemistry Communications","volume":"194 ","pages":"Article 117505"},"PeriodicalIF":5.9,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148870787","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}
Yaping Jiang, Yufei Zhao, Yuzhen Wu, Gaoyang Xia, Yunxiao Ban
{"title":"Study on the piezo-photocatalytic performance of ZnFe2O4/BaTiO3@alumina hollow particles (ZBA) for tetracycline degradation","authors":"Yaping Jiang, Yufei Zhao, Yuzhen Wu, Gaoyang Xia, Yunxiao Ban","doi":"10.1016/j.inoche.2026.117485","DOIUrl":"10.1016/j.inoche.2026.117485","url":null,"abstract":"<div><div>To overcome the limitations of traditional photocatalysts in treating persistent and biologically hazardous pollutants, this study employed the sol–gel method using hollow alumina nanoparticles as a template to successfully synthesize a hollow ZnFe<sub>2</sub>O<sub>4</sub>/BaTiO<sub>3</sub>@alumina (ZBA) composite material. The prepared ZBA composite exhibited enhanced photocatalytic activity for the degradation of tetracycline (TC), achieving a degradation rate of 84% within 60 min—values that were 2.72-fold, 1.81-fold, and 1.33-fold higher, respectively, than those observed for ZnFe<sub>2</sub>O<sub>4</sub>, BaTiO<sub>3</sub>, and ZnFe<sub>2</sub>O<sub>4</sub>/BaTiO<sub>3</sub>. This performance enhancement can be primarily attributed to its coupled piezoelectric–photocatalytic process, which facilitates charge transfer and reduces the recombination of photogenerated carriers. Free radical trapping experiments confirmed that OH<sup>−</sup>, O<sub>2</sub><sup>−</sup>, and h<sup>+</sup> are the dominant active species involved in the degradation of TC. Furthermore, the hollow alumina support structure improved light utilization efficiency, catalyst dispersion, and magnetic recovery capability. These results demonstrate that the ZBA composite material is an efficient multifunctional photocatalyst with significant potential for practical wastewater treatment applications.</div></div>","PeriodicalId":13609,"journal":{"name":"Inorganic Chemistry Communications","volume":"194 ","pages":"Article 117485"},"PeriodicalIF":5.9,"publicationDate":"2026-08-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148870788","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":"Fluorine-doped carbon quantum dots for sunset yellow analysis in complex food matrices","authors":"Mei Wang , Shan Mou , Xiaofang Tian, Meijie Xie, Xinyu Luo, Pei Zhang, Yingjuan Wang, Boyan Zheng, Qingqing Zou, Qianchun Zhang","doi":"10.1016/j.inoche.2026.116221","DOIUrl":"10.1016/j.inoche.2026.116221","url":null,"abstract":"<div><div>Sunset yellow (SY) is a widely used artificial food coloring that can pose health risks when consumed in excess. In this study, a fluorescent sensor for the quantitative analysis of SY content in complex foods was reported. Using ammonium fluoride and sorbic acid as precursors, fluorine-doped carbon quantum dots (F-CDs) were synthesized via solvothermal method. The prepared F-CDs were characterized by transmission electron microscopy (TEM), atomic force microscopy (AFM), X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR) and X-ray photoelectron spectroscopy (XPS). The results revealed that F-CDs had a uniform morphology and fluorine-rich structure, with an average particle size of 2.15 nm. In addition, we found that F-CDs exhibited excellent selectivity for SY, mainly due to the fluorescence quenching effect of SY on F-CDs. Therefore, a fluorescent sensor based on F-CDs was constructed with a linear detection range of 0.010–75 μM (<em>R</em><sup>2</sup> = 0.997) and a detection limit of 30 nM. The sensor's practical applicability was demonstrated by analyzing of SY in hard candy, tangerine peel sugar, peach jelly, beer, and bread, with recoveries of 92.1%–115% and RSDs of 1.0–4.8%. What's more, the fluorescence detection results were closely related to the HPLC-DAD validation results (relative deviation ≤0.17), highlighting the accuracy of the method. F-CD-based fluorescence detection platforms offer the advantages of simplicity, sensitivity, and reliability, providing a promising tool for routine SY monitoring in food safety applications.</div></div>","PeriodicalId":13609,"journal":{"name":"Inorganic Chemistry Communications","volume":"186 ","pages":"Article 116221"},"PeriodicalIF":5.4,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146074378","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":"Magnetic behavior, spin transitions, and magnetocaloric effect in europium orthoferrite EuFeO₃ nanoparticles synthesized by solid-state reaction","authors":"Y. Errouyessi , H. Lassri , S. Colis , R. Moubah","doi":"10.1016/j.inoche.2026.116224","DOIUrl":"10.1016/j.inoche.2026.116224","url":null,"abstract":"<div><div>We present a comprehensive investigation of the structural, magnetic and magnetocaloric properties of europium orthoferrite <span><math><mtext>EuFe</mtext><msub><mi>O</mi><mn>3</mn></msub></math></span> nanoparticles. X-ray diffraction analysis confirms that the compound crystallizes in a single-phase orthorhombic perovskite structure belonging to the <em>Pbnm</em> space group. The sample exhibits an average crystallite size of 43.6 nm. Europium orthoferrite exhibits an antiferromagnetic ordering of Fe<sup>3+</sup> spins, accompanied by a weak ferromagnetic component induced by the Dzyaloshinskii–Moriya (DM) interaction. Such an interaction induces a slight deviation from the ideal antiparallel alignment of magnetic moments within the antiferromagnetic sublattices, giving rise to a spin-flop transition (SFT) and a small residual ferromagnetic moment. Special attention has been devoted to the spin-reorientation (SR) transitions, analyzed through the magnetocaloric effect (MCE) as a highly sensitive probe. The temperature evolution of the magnetic entropy change <span><math><mo>−</mo><mo>∆</mo><msub><mi>S</mi><mi>M</mi></msub></math></span> exhibits positive maximum values corresponding to a normal MCE near the two SR temperatures, <span><math><msub><mi>T</mi><mrow><mi>SR</mi><mn>1</mn></mrow></msub><mo>=</mo><mn>30</mn><mi>K</mi></math></span> and <span><math><mspace></mspace><msub><mi>T</mi><mrow><mi>SR</mi><mn>2</mn></mrow></msub><mo>=</mo><mn>180</mn><mi>K</mi></math></span>, whereas a negative MCE (negative <span><math><mo>−</mo><mo>∆</mo><msub><mi>S</mi><mi>M</mi></msub></math></span> values) emerges around <em>T</em> = 60 K. Such findings confirm the occurrence of a SR transition with a metamagnetic signature, emphasizing the complex magnetic nature inherent in this orthoferrite system. Analyses of the temperature dependence of the critical exponent <span><math><mi>n</mi><mfenced><mi>T</mi></mfenced></math></span> under various applied magnetic fields further validates the observed transitions and provides deep insight into their intrinsic nature. Moreover, the construction of a universal phenomenological curve, achieved by normalizing each isofield <span><math><mo>−</mo><mo>∆</mo><msub><mi>S</mi><mi>M</mi></msub><mfenced><mi>T</mi></mfenced></math></span> curve, offers additional confirmation of the type and order of these magnetic transitions. Overall, these results highlight the important role of the Dzyaloshinskii–Moriya interaction in stabilizing weak ferromagnetism in <span><math><mtext>EuFe</mtext><msub><mi>O</mi><mn>3</mn></msub></math></span>, while demonstrating the reliability and sensitivity of the magnetocaloric approach as a powerful method for probing subtle SR and metamagnetic phenomena in rare-earth orthoferrites.</div></div>","PeriodicalId":13609,"journal":{"name":"Inorganic Chemistry Communications","volume":"186 ","pages":"Article 116224"},"PeriodicalIF":5.4,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146074783","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}
L. Fatolahi , Jameel M.A. Sulaiman , Ahmed Aldulaimi , Ali Fawzi Al-Hussainy , Nasr Saadoun Abd , Aneta Salova
{"title":"Biosynthesis of the ternary nanocomposites based on the zinc oxide/magnesium oxide/gadolinium oxide for photocatalysis, and photobiology performances","authors":"L. Fatolahi , Jameel M.A. Sulaiman , Ahmed Aldulaimi , Ali Fawzi Al-Hussainy , Nasr Saadoun Abd , Aneta Salova","doi":"10.1016/j.inoche.2026.116277","DOIUrl":"10.1016/j.inoche.2026.116277","url":null,"abstract":"<div><div>Recently, ternary metal oxide nanocomposites have been developed as an attractive nanomaterial for the photocatalysis, and photobiology efficiencies due to their remarkable properties. The present work was investigated for the biosynthesis of the ternary nanocomposites based on the Zinc oxide/Magnesium oxide/Gadolinium oxide (ZnO/MgO/Gd<sub>2</sub>O<sub>3</sub>) by using the <em>Ocimum basilicum</em> L., and <em>Hyssopus officinalis</em> L. seed extracts. Different analytical techniques were used to determination structural of the prepared nanocomposites. XRD analysis presented the crystal phase of the prepared nanocomposites. FE-SEM images depicted the spherical form the prepared nanocomposites. UV–vis spectroscopy result shows the narrow band gap of the prepared nanocomposites about 2.7–2.9 eV. Moreover, the photocatalytic performance of the prepared nanocomposites was evaluated for the degradation of rhodamine B (pH = 10), and methyl orange (pH = 3). The findings depicted the highest potential of the ZnO/MgO/Gd<sub>2</sub>O<sub>3</sub> nanocomposite as a substantial photocatalyst for water treatment performances. Also. The prepared nanocomposites show the highest antibacterial activity against <em>E. coli</em>, and <em>S. aurous</em> bacterial under UV light irradiation. This work is novel in demonstrating a green, seed-extract-mediated biosynthesis of ZnO/MgO/Gd₂O₃ ternary nanocomposites and revealing their dual high-efficiency photocatalytic and antibacterial performance under UV irradiation, linked to a narrowed band gap.</div></div>","PeriodicalId":13609,"journal":{"name":"Inorganic Chemistry Communications","volume":"186 ","pages":"Article 116277"},"PeriodicalIF":5.4,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146170131","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":"Sorption of some rare earth elements from aqueous solutions by Chitosan/β-Cyclodextrin /CuO nanocomposite: equilibrium, kinetic and thermodynamic study","authors":"Moubarak A. Sayed , Hisham F. Aly , Lee D. Wilson","doi":"10.1016/j.inoche.2026.116205","DOIUrl":"10.1016/j.inoche.2026.116205","url":null,"abstract":"<div><div>In this study, a novel nanocomposite called chitosan/β-cyclodextrin/CuO (CS-βCD-CuO) nanocomposite was synthesized for use as an efficient sorbent for Eu<sup>3+</sup>, Sm<sup>3+</sup> and Nd<sup>3+</sup> from aqueous media. The characterization of the CS-βCD-CuO nanocomposite was achieved by spectroscopy (FT-IR, <sup>13</sup>C solid-state NMR, EDX, XPS and XRD), microscopy (SEM), and thermogravimetry (TGA-DTA). The effects of several factors that influence the sorption process, including temperature, adsorbent dosage, contact time, initial metal ion concentration, and initial solution pH were conducted. The investigated parameters were optimized as follows: pH 4.0; mass sorbent 0.05 g; aqueous phase volume, 10.0 mL, sorption time, 240 min; desorption time, 240 min; and initial metal-ion concentration (Nd<sup>3+</sup>, Sm<sup>3+</sup> and Eu<sup>3+</sup>; 500 mg/L). According to the experimental findings, the Langmuir isotherm model adequately represented the adsorption isotherms of Eu<sup>3+</sup>, Sm<sup>3+</sup> and Nd<sup>3+</sup> on the CS-βCD-CuO nanocomposite. The maximum monolayer adsorption capacities (q<sub>m</sub>), were detected as follows: Nd<sup>3+</sup>, 59.00; Sm<sup>3+</sup>, 36.61 and Eu<sup>3+</sup>, 65.45 mg/g. The experimental kinetic profiles are well described by the pseudo-second order kinetic model. The sorption process is exothermic and nonspontaneous, according to the determined thermodynamic parameters. Furthermore, at a fixed weight of CS-βCD-CuO nanocomposite, 10.0 mL of HCl (1.0 M) was shown to be the most effective eluent of Eu<sup>3+</sup>, Sm<sup>3+</sup> and Nd<sup>3+</sup>.</div></div>","PeriodicalId":13609,"journal":{"name":"Inorganic Chemistry Communications","volume":"186 ","pages":"Article 116205"},"PeriodicalIF":5.4,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146170316","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":"Nitric oxide gas sensor based on electrospun tin oxide nanofibers surface-decorated by gold nanoparticles","authors":"Jiang Haotian, Zhang Jie, Li Wei","doi":"10.1016/j.inoche.2026.116286","DOIUrl":"10.1016/j.inoche.2026.116286","url":null,"abstract":"<div><div>The decoration of noble-metal remains an effective and general strategy to rejuvenate “old” sensing materials for targeted gases. Herein, gold was loaded onto electrospun SnO<sub>2</sub> nanofibers by a simple impregnation route and the resulting hybrids were employed to detect nitric oxide (NO). XRD, TEM, XPS and elemental mapping corroborated that metallic Au clusters were successfully anchored on the fiber surface. Owing to the spill-over effect, these clusters supply additional active sites and chemisorbed oxygen. Gas-sensing measurements revealed that, even at a relatively low operating temperature, the Au-decorated SnO<sub>2</sub> nanofibers delivered a striking response of 37.3 toward 200 ppb NO, whereas negligible cross-responses were observed to typical interferents in exhaled breath. Moreover, the sensor exhibited excellent repeatability and long-term stability. These results demonstrate the remarkable potential of Au surface functionalization for boosting the NO-sensing performance of SnO<sub>2</sub> nanofibers.</div></div>","PeriodicalId":13609,"journal":{"name":"Inorganic Chemistry Communications","volume":"186 ","pages":"Article 116286"},"PeriodicalIF":5.4,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146170371","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}
A. Arathi , Srilatha Rao , T. Aravinda , G.K. Prashanth , Narasimha Raghavendra
{"title":"Integrating corrosion inhibition studies with heavy metal ion detection using cholesteryl hemisuccinate","authors":"A. Arathi , Srilatha Rao , T. Aravinda , G.K. Prashanth , Narasimha Raghavendra","doi":"10.1016/j.inoche.2026.116245","DOIUrl":"10.1016/j.inoche.2026.116245","url":null,"abstract":"<div><div>This research article aims to investigate the anti-corrosion performance and heavy metal ion detection using Cholesteryl hemisuccinate <em>(CHEMS)</em> mainly an amphiphilic molecule. For corrosion inhibition studies, electrochemical methods were utilized that showed inhibition efficiencies, maximum of 84.03% in 1 M HCl and 85.43% in 1 M H<sub>2</sub>SO<sub>4</sub> at 80 ppm (<em>EIS</em> studies). A mixed type of inhibition, with a strong cathodic influence in 1 M HCl and a strong anodic influence in 1 M H<sub>2</sub>SO<sub>4</sub> media as evaluated by <em>PDP</em> studies. The temperature-dependent measurements indicated that the adsorption of <em>CHEMS</em> on MS exhibited Langmuir adsorption behaviour in both acidic media. Surface morphology studies provided supporting evidence for the proposed inhibition mechanism. To understand further, the mechanism of inhibition, theoretical studies such as Density Function Theory (<em>DFT</em>) and Monte Carlo simulation (<em>MCS</em>) were conducted. The electrochemical sensing studies using <em>CHEMS</em>-modified glassy carbon electrode (<em>CHEMS-GCE</em>) provides ultra-high sensitivity, enabling the detection of Hg<sup>2+</sup>ions at low concentrations.</div></div>","PeriodicalId":13609,"journal":{"name":"Inorganic Chemistry Communications","volume":"186 ","pages":"Article 116245"},"PeriodicalIF":5.4,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146170508","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}