Junjie Xue , Xuexin You , Fangwei Lu , Haining Zhang , Bo Gao , Chengrui Xin , Fengyu Li , Baimei Tan , Xinhuan Niu , Simin Li , Fan Zhang , Hui Shen
{"title":"Ligand-performance relationships of surface-modified CeO2 in chemical mechanical polishing: A case of coordination number","authors":"Junjie Xue , Xuexin You , Fangwei Lu , Haining Zhang , Bo Gao , Chengrui Xin , Fengyu Li , Baimei Tan , Xinhuan Niu , Simin Li , Fan Zhang , Hui Shen","doi":"10.1016/j.surfin.2025.107734","DOIUrl":"10.1016/j.surfin.2025.107734","url":null,"abstract":"<div><div>Surface modification represents one of the most effective methods for tailoring the properties of CeO<sub>2</sub> particles in chemical mechanical polishing. Although numerous studies have demonstrated preliminary evidence that ligand structure plays an important role in determining the performance of modified CeO<sub>2</sub>, fundamental insights into the structure-property relationships between ligand coordination number and polishing performance remain lacking in the literature. By comparing the polishing performance of CeO<sub>2</sub> slurries modified by a series of phosphorus ligands with varying numbers of coordination sites-including H<sub>3</sub>PO<sub>4</sub>, aminotrimethylene phosphonic acid (ATMP), and diethylenetriaminepenta(methylenephosphonic acid) (DTPMP)-we demonstrate that ligands with more chelating sites yield superior modification effects. Specifically, optimal performance in terms of suspension stability, material removal rate, and surface quality was observed for slurries modified with DTPMP. Mechanistic investigation through density functional theory calculations reveals that both the coordination strengths and ligand densities on the CeO<sub>2</sub> surface are correlated with their coordination number, which results in distinct performance characteristics of the prepared slurries. This work not only elucidates the fundamental relationships between ligand coordination number and the polishing performance of CeO<sub>2</sub> slurries but also provides a practical strategy for developing high-performance slurries required for chemical mechanical polishing.</div></div>","PeriodicalId":22081,"journal":{"name":"Surfaces and Interfaces","volume":"74 ","pages":"Article 107734"},"PeriodicalIF":6.3,"publicationDate":"2025-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145159168","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Ayda Bouhamed , Rania chaari , Jawhar Aloulou , Ahmed Attaoui , Mario Scholze , Christopher Wöpke , Peter Richter , Martin Dehnert , Mohamed Khlif , Christoph Tegenkamp , Martin F.-X. Wagner , Olfa Kanoun
{"title":"Sustainable high-performance natural fiber composites with integrated strain sensing for aeronautics and automotive applications","authors":"Ayda Bouhamed , Rania chaari , Jawhar Aloulou , Ahmed Attaoui , Mario Scholze , Christopher Wöpke , Peter Richter , Martin Dehnert , Mohamed Khlif , Christoph Tegenkamp , Martin F.-X. Wagner , Olfa Kanoun","doi":"10.1016/j.surfin.2025.107740","DOIUrl":"10.1016/j.surfin.2025.107740","url":null,"abstract":"<div><div>Integrating sensing capabilities into structures made of sustainable materials presents significant opportunities for advanced applications. This study develops smart fibre-reinforced composites using sustainable palm leaf fibres (PLF) specifically designed for automotive interior applications such as dashboard panels, door trim, seat structures, and centre console components, as well as aeronautic cabin interiors including wall panels, overhead compartments, seat frames, and galley structures.</div><div>The developed composites demonstrate mechanical properties comparable to conventional fibre composites while offering integrated sensing capabilities for structural health monitoring of interior systems. Systematic investigation reveals that 10 wt.% PLF content provides optimal balance between mechanical performance and sensing functionality suitable for interior component requirements. This optimal performance is achieved through the enhanced mechanical properties and surface characteristics provided by PLF incorporation, where the palm leaf fibres promote polar interactions due to hydroxyl groups and other polar functionalities, resulting in improved hydrophilicity and intermediate surface characteristics that are critical for sensing applications. The resulting smart composite exhibits exceptional strain sensitivity with a gauge factor of approximately 27, enabling real-time monitoring. The developed bio-based composites offer significant cost advantages with 30–40 % reduced production costs compared to conventional fibre systems and demonstrate scalable manufacturing potential for mass production.</div><div>This work demonstrates the successful development of sustainable, eco-friendly materials with advanced sensing capabilities that show promise for automotive and aerospace applications, contributing to a greener and safer future.</div></div>","PeriodicalId":22081,"journal":{"name":"Surfaces and Interfaces","volume":"75 ","pages":"Article 107740"},"PeriodicalIF":6.3,"publicationDate":"2025-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145223304","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Hassan M.A. Hassan , Mosaed S. Alhumaimess , Ibrahim Hotan Alsohaimi , Abdulelah Nashmi Alrashidi , Ayoub Abdullah Alqadami , Mohamed Y. El-Sayed
{"title":"A new 4-vinylpyridine-modified polymer for clean water: PVP-g-HEMA as an efficient bromate adsorbent","authors":"Hassan M.A. Hassan , Mosaed S. Alhumaimess , Ibrahim Hotan Alsohaimi , Abdulelah Nashmi Alrashidi , Ayoub Abdullah Alqadami , Mohamed Y. El-Sayed","doi":"10.1016/j.surfin.2025.107733","DOIUrl":"10.1016/j.surfin.2025.107733","url":null,"abstract":"<div><div>Bromate (BrO₃⁻) is a carcinogenic by-product of water disinfection that poses significant risks to drinking water safety. In this study, a novel polymeric adsorbent (PVP-g-HEMA) was synthesized by grafting 4-vinylpyridine onto 2-hydroxyethyl methacrylate. Characterization confirmed its functional groups and amorphous structure. The adsorbent achieved a maximum bromate removal efficiency of 95.2 % at pH 4 within just 20 min. Adsorption followed the Langmuir isotherm (q<sub>max</sub> = 0.36 mg/g), and kinetic modeling suggested both physical and chemical interactions. Thermodynamic analysis indicated a spontaneous and exothermic process. The polymer also showed excellent reusability, with 97.94 % desorption efficiency using 1 M NaOH. Ensuring the effective removal of bromate supports efforts toward safely managed drinking water services. These results demonstrate the potential of PVP-g-HEMA as an effective and regenerable adsorbent for rapid bromate removal from water.</div></div>","PeriodicalId":22081,"journal":{"name":"Surfaces and Interfaces","volume":"74 ","pages":"Article 107733"},"PeriodicalIF":6.3,"publicationDate":"2025-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145159930","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Van Tan Tran , Nguyen Hai Pham , Viet Tuyen Nguyen , The Kien Pham , Canh Viet Nguyen , Thi Ngoc Anh Tran , Cong Doanh Sai , Cong Toan Nguyen , Quang Hoa Nguyen , Trong Tam Nguyen , Thi Hong Pham , Thi Hai Yen Le , Minh Phuong Le , Thanh Long Nguyen , An Bang Ngac , Thi Ha Tran
{"title":"Robust and recyclable photo-induced enhanced Raman scattering platform based on ZnO thin film decorated with Au nanoparticles for trace analyte detection","authors":"Van Tan Tran , Nguyen Hai Pham , Viet Tuyen Nguyen , The Kien Pham , Canh Viet Nguyen , Thi Ngoc Anh Tran , Cong Doanh Sai , Cong Toan Nguyen , Quang Hoa Nguyen , Trong Tam Nguyen , Thi Hong Pham , Thi Hai Yen Le , Minh Phuong Le , Thanh Long Nguyen , An Bang Ngac , Thi Ha Tran","doi":"10.1016/j.surfin.2025.107738","DOIUrl":"10.1016/j.surfin.2025.107738","url":null,"abstract":"<div><div>In this study, we present an efficient method for fabricating surface-enhanced Raman scattering (SERS) substrates using ZnO@Au thin films, achieved through radio frequency magnetron sputtering followed by post-annealing process. The photo-induced enhanced Raman scattering (PIERS) effect was thoroughly evaluated through both experimental and simulation approaches. In-situ UV irradiation yielded a 4-fold increase in SERS intensity, enabling a thiram detection limit of 10<sup>-9</sup> M. The prepared substrates demonstrated exceptional reusability and durability, maintaining high performance over extended periods. The combination of experimental data with simulations provides a comprehensive understanding of the PIERS effect, highlighting the method’s potential for highly sensitive, reliable, and versatile analytical applications.</div></div>","PeriodicalId":22081,"journal":{"name":"Surfaces and Interfaces","volume":"75 ","pages":"Article 107738"},"PeriodicalIF":6.3,"publicationDate":"2025-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145223302","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Electrocatalytic performance of fluoride- and antimony-doped tin oxide coatings produced on titanium substrates using plasma electrolytic oxidation for the electrochemical degradation of organic contaminants in water","authors":"Mona Khalaghi, Keyvan Raeissi, Saied Mehran Nahvi","doi":"10.1016/j.surfin.2025.107737","DOIUrl":"10.1016/j.surfin.2025.107737","url":null,"abstract":"<div><div>Organic pollutants in wastewater can be electrocatalytically oxidized using inactive-type SnO<sub>2</sub> electrodes. However, traditional methods for preparing doped SnO<sub>2</sub> electrodes suffer from low electrochemical efficiency and short service life, which limit their practical application. This research introduces a novel procedure for the organized fabrication of Ti/SnO<sub>2</sub> electrodes doped with F and Sb through the plasma electrolytic oxidation (PEO) process. The Sb-doped electrode (Ti/SnO<sub>2</sub>-Sb) achieved the highest roughness factor (972.43) and outer voltammetric charge (99.55 mC/cm<sup>2</sup>), indicating a superior electroactive surface area. Indeed, Sb doping resulted in the highest oxygen evolution potential (3.13 V<sub>Ag/AgCl</sub>) and the lowest oxide resistance (15.59 Ω cm<sup>2</sup>), along with appropriate hydrophobic properties. The electrochemical degradation test showed 97.09 % methylene blue (MB) degradation using the Ti/SnO<sub>2</sub>-Sb electrode at 10 V over 120 min, which was 2.20 times higher than that of the F-doped electrode. The radical scavenging experiment demonstrated that hydroxyl radicals (OH<sup>o</sup>) and superoxide anion radicals (O<sub>2</sub><sup>-o</sup>) are the crucial reactive species responsible for the electrocatalytic degradation of MB. The PEO coatings exhibited suitable stability after 20 cycles of MB degradation and a promising service lifetime of 290 h, as evaluated in H<sub>2</sub>SO<sub>4</sub> solution.</div></div>","PeriodicalId":22081,"journal":{"name":"Surfaces and Interfaces","volume":"74 ","pages":"Article 107737"},"PeriodicalIF":6.3,"publicationDate":"2025-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145159933","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Conductive polyurethane sponge modified with Gr/EC nanocomposite for high-performance pressure sensor","authors":"Huqiang Chen , Zhe Mao , Tiaohong Zhang , Xin Xu , Xiaohu Qiang","doi":"10.1016/j.surfin.2025.107698","DOIUrl":"10.1016/j.surfin.2025.107698","url":null,"abstract":"<div><div>Polyurethane sponges with multilevel pore structure, high compressibility, and low modulus are promising materials for flexible sensors. However, achieving facile macroscopic assembly while implementing innovative interface engineering to address intrinsic non-conductivity and poor interfacial adhesion remains challenging. Herein, a generalized interface assembly strategy to overcome such a problem by engineering a graphene/ethyl cellulose-modified polyurethane sponge (Gr/EC@PS) consisting of nested structure and conductive skeleton is demonstrated. Benefiting from the hydrogen-bond interactions between purified skeleton surface and ethyl cellulose, as well as mechanical interlocking of graphene nanosheets within the sponge matrix, the sensing properties of the Gr/EC@PS pressure sensor are synergistically enhanced. Consequently, the optimized sensor not only delivers distinguished sensitivity of 3.83 kPa<sup>−1</sup> and rapid response/recovery time (80.6/124.0 ms) across broad pressure ranges, but also a long-duration stability (under 20 kPa pressure, cycling for 2000 times), surpassing most previously reported sponge-typed sensors. The as-proposed synergistic interface engineering approach establishes a novel paradigm for advancing flexible wearable electronics.</div></div>","PeriodicalId":22081,"journal":{"name":"Surfaces and Interfaces","volume":"74 ","pages":"Article 107698"},"PeriodicalIF":6.3,"publicationDate":"2025-09-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145159367","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Sustainable arsenic removal using iron-oxide-coated natural minerals: Integrating adsorption, machine learning, and process optimization","authors":"Merve Dönmez Öztel , Alper ALVER , Feryal Akbal , Levent Altaş , Ayşe Kuleyin","doi":"10.1016/j.surfin.2025.107730","DOIUrl":"10.1016/j.surfin.2025.107730","url":null,"abstract":"<div><div>We investigated the sustainable removal of arsenite (As(III)) and arsenate (As(V)) from water using iron oxide-coated pumice (IOCP), sepiolite (IOCS), and zeolite (IOCZ) integrated with machine learning (ML) and optimization techniques. Adsorption kinetics followed a pseudo-second-order model, while equilibrium data were best represented by Langmuir and Sips isotherms, indicating chemisorption on heterogeneous surfaces. To predict and optimize performance, Artificial Neural Networks (ANN), Extreme Gradient Boosting (XGBoost), and Random Forest (RF) were applied, with cross-validated results demonstrating the superior accuracy of ANN (R<sup>2</sup> up to 0.96, RMSE 20–40 µg <span>l</span><sup>-1</sup>). Coupling ANN with Genetic Algorithm and Bayesian Optimization identified global optima for pH, contact time, and initial concentration, yielding residual concentrations of ∼8.1 µg <span>l</span><sup>-1</sup> (IOCP-As(III)), ∼42 µg <span>l</span><sup>-1</sup> (IOCS-As(III)), and ∼1.7 µg <span>l</span><sup>-1</sup> (IOCZ-As(III)), and ∼1.3 µg <span>l</span><sup>-1</sup> (IOCP-As(V)), ∼28 µg <span>l</span><sup>-1</sup> (IOCS-As(V)), and ∼6.2 µg <span>l</span><sup>-1</sup> (IOCZ-As(V)). Compared with trial-and-error conditions (residuals of ∼112 µg <span>l</span><sup>-1</sup> for IOCS-As(III) and ∼27 µg <span>l</span><sup>-1</sup> for IOCP-As(V)), the optimized systems reduced chemical usage by up to 65 %, lowered treatment costs to ∼0.004–0.007 $ mg<sup>-1</sup> As, and delivered positive environmental gains exceeding 80 % for IOCP-As(V) and IOCZ-As(III). These results demonstrate that natural mineral-based sorbents, when coupled with AI-driven optimization, can achieve near-complete removal of both As(III) and As(V) at low cost and with reduced environmental footprint, offering a technically robust and scalable framework for sustainable water treatment.</div></div>","PeriodicalId":22081,"journal":{"name":"Surfaces and Interfaces","volume":"74 ","pages":"Article 107730"},"PeriodicalIF":6.3,"publicationDate":"2025-09-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145159936","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Tailored ZnO/CuS nanoarchitectures self-assembled in natural deep eutectic solvents for enhanced photocatalytic degradation of noxious water contaminants","authors":"Archana Negi , Aman Chauhan , Aanchal Thakur , Vandana Sharma , K.K. Bhasin , Ajeet Kaushik , Ganga Ram Chaudhary","doi":"10.1016/j.surfin.2025.107732","DOIUrl":"10.1016/j.surfin.2025.107732","url":null,"abstract":"<div><div>The photocatalytic properties of catalysts invariably rely on their morphological and electronic attributes. Accordingly, several strategies focused on affecting these two properties have been developed to improve the performance of photocatalytic systems. However, almost every one of those strategies employs cost-intensive chemical modification, which in most cases is environmentally hazardous. In this article, we have demonstrated the effect of natural deep eutectic solvents (NaDESs) in fine tuning the morphological and electronic attributes of a model photocatalyst, ZnO:CuS nanocomposite. Typically, a series of ZnO:CuS catalysts were designed by processing in varied concentrations of urea: fructose and urea: glucose NaDESs. The developed systems were adequately characterized and ZnO:CuS/U:G-<em>1</em> system displayed best morphological, electronic and surface potential properties. Subsequently, ZnO:CuS/U:G-<em>1</em> system also showed best photocatalytic performance towards both model water contaminants, tetracycline hydrochloride and malachite green. Importantly, the photocatalytic performance of this ZnO:CuS/U:G-<em>1</em> system was also compared with ZnO:CuS prepared in conventional solvents like water and ethylene glycol and significant improvement in the morphological, electronic and photocatalytic properties was observed. This presented study shows that how a simple solvent-based strategy can induce changes of significant magnitude, which are otherwise difficult to achieve in a cost-effective and environmentally benign manner.</div></div>","PeriodicalId":22081,"journal":{"name":"Surfaces and Interfaces","volume":"74 ","pages":"Article 107732"},"PeriodicalIF":6.3,"publicationDate":"2025-09-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145159370","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Yi Liu , Wenzuo Li , Qingzhong Li , Jianbo Cheng , Xiaolong Zhang , Chunling Xie , Bo Xiao
{"title":"Dual-metal-boron system: A promising candidate electrocatalyst towards CO2 reduction reaction","authors":"Yi Liu , Wenzuo Li , Qingzhong Li , Jianbo Cheng , Xiaolong Zhang , Chunling Xie , Bo Xiao","doi":"10.1016/j.surfin.2025.107727","DOIUrl":"10.1016/j.surfin.2025.107727","url":null,"abstract":"<div><div>Metal borides have found extensive use in breaking the inert chemical bonds in small molecules due to their outstanding catalytic capabilities. Meanwhile, the dual-metal catalysts (DACs) have garnered much attention owing to their numerous active sites and adjustable chemical properties. Inspired by these findings, 55 different dual-metal-boron based systems were constructed by introducing two transition metal atoms (TMs) into boron-doped graphene (BG). Their catalytic performance towards CO<sub>2</sub> reduction reaction (CO<sub>2</sub>RR) was studied by employing density functional theory calculations. It is found that the MnZn@BG electrocatalyst could effectively reduce the CO<sub>2</sub> into CH<sub>4</sub> with a low limiting potential of -0.29 V. The catalytic performance of MnZn@BG is enhanced under acidic conditions. Furthermore, the competitive hydrogen evolution reaction is effectively suppressed on MnZn@BG, contributing to its high selectivity for CO<sub>2</sub>RR. Machine learning analysis revealed that, except for the widely used <em>d</em>-band center descriptor, the number of <em>d</em>-electrons on TMs significantly influences the CO<sub>2</sub> adsorption strength on TM1TM2@BG. These results suggest that the MnZn@BG is a promising candidate as a CO<sub>2</sub>RR electrocatalyst, offering insights into the application of dual-metal-boron systems in sustainable energy conversion.</div></div>","PeriodicalId":22081,"journal":{"name":"Surfaces and Interfaces","volume":"74 ","pages":"Article 107727"},"PeriodicalIF":6.3,"publicationDate":"2025-09-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145159163","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Jaehyeok Kim , Minji Kim , Inkyu Sohn , Jisang Yoo , Taehyun Kim , Chanju Lee , Yusuke Ohshima , Shinichi Kato , Tatsuya Nakazawa , Hyungjun Kim
{"title":"Growth and characterization of Ir3Se8 thin films via chemical vapor deposition for NIR photodetector and gas sensor applications","authors":"Jaehyeok Kim , Minji Kim , Inkyu Sohn , Jisang Yoo , Taehyun Kim , Chanju Lee , Yusuke Ohshima , Shinichi Kato , Tatsuya Nakazawa , Hyungjun Kim","doi":"10.1016/j.surfin.2025.107729","DOIUrl":"10.1016/j.surfin.2025.107729","url":null,"abstract":"<div><div>Platinum-group metal chalcogenides exhibit significant potential for electronic and optoelectronic applications due to their promising semiconducting properties. However, the growth of iridium chalcogenides remains underdeveloped, mainly due to challenges such as the limited availability of suitable precursors, difficulties in achieving precise stoichiometric control, and the complexity of their crystallization processes. In this work, we present the first successful synthesis of Ir<sub>3</sub>Se<sub>8</sub> thin films via chemical vapor deposition (CVD) using a novel iridium precursor, tricarbonyl (1,2,3-η)-1,2,3-tri(tert-butyl)-cyclopropenyl iridium (TICP), with Se powder. The films were deposited at temperatures ranging from 300 to 500°C, and structural analysis revealed that 300°C is the optimal growth temperature for obtaining high-quality, stoichiometric Ir<sub>3</sub>Se<sub>8</sub> films. Optical characterization of Ir<sub>3</sub>Se<sub>8</sub> using UV-Vis-NIR spectroscopy determined the bandgap to be 0.67 eV, confirming its semiconducting nature. Additionally, metal-semiconductor-metal (MSM) devices fabricated with the synthesized Ir<sub>3</sub>Se<sub>8</sub> films demonstrated stable near-infrared (NIR) photoresponse. Furthermore, gas sensor measurements exhibited a high response of 640% and a recovery rate of 97% for NO₂ detection at room temperature. This study provides a novel approach for the low-temperature synthesis of Ir<sub>3</sub>Se<sub>8</sub> and highlights its potential in optoelectronic and gas sensing applications.</div></div>","PeriodicalId":22081,"journal":{"name":"Surfaces and Interfaces","volume":"74 ","pages":"Article 107729"},"PeriodicalIF":6.3,"publicationDate":"2025-09-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145119749","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}