Yu-Yun Lin , Szu-Han Chen , Yun-Rou Tseng , Chung-Shin Lu , Fu-Yu Liu , Jia-Hao Lin , Chiing-Chang Chen
{"title":"Highly selective photocatalytic conversion of CO2 to hydrocarbons, H2 evolution, and photodegradation of CV dye using SbSI and SbSeI as catalysts","authors":"Yu-Yun Lin , Szu-Han Chen , Yun-Rou Tseng , Chung-Shin Lu , Fu-Yu Liu , Jia-Hao Lin , Chiing-Chang Chen","doi":"10.1016/j.jcis.2026.139981","DOIUrl":"10.1016/j.jcis.2026.139981","url":null,"abstract":"<div><div>Antimony sulfoiodide (SbSI) and antimony selenoiodide (SbSeI) are well-known chalcohalides extensively used in electronic and optoelectronic applications; however, their potential for photocatalytic CO<sub>2</sub> reduction has not been previously explored. In this study, both SbSI and SbSeI demonstrated effective triple functionality—converting CO<sub>2</sub> into hydrocarbons and H<sub>2</sub> evolution, while simultaneously degrading crystal violet (CV) under visible-light irradiation. After optimization, the SbSI catalyst achieved a CH<sub>4</sub> yield of 1340.2 ppm and an H<sub>2</sub> yield of 7533.8 ppm, while SbSeI produced 1244.8 ppm of CH<sub>4</sub> and 8917.4 ppm of H<sub>2</sub>. The main reaction products were hydrocarbons and H<sub>2</sub>, with high selectivity toward methane: 85.8% CH<sub>4</sub> and 14.2% C<sub>2</sub><sup>+</sup> for SbSI, and 84.2% CH<sub>4</sub> and 15.8% C<sub>2</sub><sup>+</sup> for SbSeI, respectively. This indicates a sequential conversion pathway from CO<sub>2</sub> to CH<sub>4</sub>, followed by C<img>C coupling to form higher hydrocarbons. Additionally, both catalysts showed excellent photocatalytic activity for the degradation of CV dye, with apparent rate constants (<em>k</em>) of 0.1679 h<sup>−1</sup> for SbSI and 0.0554 h<sup>−1</sup> for SbSeI. These results highlight the dual photocatalytic capability of Sb-based chalcohalides, providing new insights into their application in CO<sub>2</sub>-to-hydrocarbon conversion and environmental remediation, thereby contributing to sustainable chemical and energy systems.</div></div>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"710 ","pages":"Article 139981"},"PeriodicalIF":9.7,"publicationDate":"2026-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146136951","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pingping Wu , Xuegang Hao , Mingwei Chang , Wenjia Cao , Sijing Zhang , Jingxia Wang
{"title":"Mechanically tunable structural color hydrogel with MXene/PEDOT:PSS conductive networks for dual-channel information encoding","authors":"Pingping Wu , Xuegang Hao , Mingwei Chang , Wenjia Cao , Sijing Zhang , Jingxia Wang","doi":"10.1016/j.jcis.2026.140020","DOIUrl":"10.1016/j.jcis.2026.140020","url":null,"abstract":"<div><div>Flexible optoelectronic materials capable of simultaneously transducing mechanical stimuli into multiple signal modalities are highly desirable for next-generation wearable electronics, intelligent sensing, and secure communication. Herein, a mechanically tunable conductive structural color hydrogel that integrates a MXene/PEDOT:PSS conductive network with an opal-templated photonic crystal (PC) structure is reported, enabling synchronized optical and electrical dual-signal responses under deformation. The hydrogel is constructed by infiltrating a polyacrylamide matrix containing MXene nanosheets and PEDOT:PSS into a periodic PC template, resulting in vivid, reversible structural colors alongside stable electrical conductivity. Owing to synergistic hydrogen bonding, electrostatic interactions, and chelation among MXene, PEDOT:PSS, and polymer chains, the hydrogel exhibits excellent stretchability (up to 650% strain), high strain sensitivity (gauge factor up to 7.16), rapid response (∼100 ms), and outstanding durability over 500 deformation cycles. Mechanical deformation induces reversible lattice spacing variation in the PC structure, producing pronounced color shifts that correlate quantitatively with resistance changes. The hydrogel is further demonstrated as a wearable platform for Morse code–based dual-channel information encoding and transmission driven by finger motion. This work establishes a versatile strategy for integrating PCs with highly conductive hydrogels, offering new opportunities for multimodal sensing, visualized signal readout, and secure optoelectronic communication.</div></div>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"710 ","pages":"Article 140020"},"PeriodicalIF":9.7,"publicationDate":"2026-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146155640","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Wanting Wang , Wenqing Yu , Yueyang Tan , Hui Yang , Bingwen Li , Xinfang Wang , Xihan Chen , Limin Huang , Zongzhao Sun , Chenglin Zhong , Woon-Ming Lau
{"title":"A hydrothermal pretreatment-assisted heterogeneous molten salt strategy to synthesize crystalline carbon nitride for solar-driven H2O2 production","authors":"Wanting Wang , Wenqing Yu , Yueyang Tan , Hui Yang , Bingwen Li , Xinfang Wang , Xihan Chen , Limin Huang , Zongzhao Sun , Chenglin Zhong , Woon-Ming Lau","doi":"10.1016/j.jcis.2026.140050","DOIUrl":"10.1016/j.jcis.2026.140050","url":null,"abstract":"<div><div>Interfacial effects critically regulate photocatalytic pathways through charge transfer modulation, reactant enrichment, and transition-state stabilization. However, precisely manipulating free electrons to drive efficient O<sub>2</sub> reduction to H<sub>2</sub>O<sub>2</sub> remains challenging. To address this, we develop a hydrothermal pretreatment-assisted heterogeneous molten salt strategy to synthesize crystalline carbon nitride (S/Cl-CN). This approach synergistically integrates molten KSCN (enabling rapid mass transfer and in situ generation of electron-withdrawing <img>C<img>N groups) with solid KCl (providing spatial confinement for oriented crystallization). The heterogeneous environment optimally tunes interfacial effects, enhancing structural order and charge separation efficiency. The resulting S/Cl-CN exhibits extended visible-light absorption (narrowed bandgap 2.67 eV), accelerated carrier mobility and optimized O<sub>2</sub> adsorption sites via <img>C<img>N-induced electron redistribution. These properties enable record H<sub>2</sub>O<sub>2</sub> production rates of 4.58 mM g<sup>−1</sup> h<sup>−1</sup> in pure water (17-fold higher than the reference) and 177.1 mM g<sup>−1</sup> h<sup>−1</sup> with the sacrificial agent. Mechanistic studies confirm interfacial engineering promotes two-step single-electron oxygen reduction (via stabilized OOH<sup>⁎</sup> and HOOH<sup>⁎</sup> intermediates), complementary water oxidation pathways and reduced energy barriers for O<sub>2</sub> activation and conversion. This work resolves electron-manipulation challenges in photocatalytic H<sub>2</sub>O<sub>2</sub> synthesis and establishes a scalable molten salt platform for interface-optimized catalyst design.</div></div>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"710 ","pages":"Article 140050"},"PeriodicalIF":9.7,"publicationDate":"2026-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146123349","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Yanyan Zhao , Xiaolong Li , Dongmei Xue , Hanfei Zhang , Mingbao Liu , Kaiqiang Xu , Jianjun Zhang
{"title":"Harnessing S-scheme COF/CdIn2S4 heterojunctions for enhanced photocatalytic performance","authors":"Yanyan Zhao , Xiaolong Li , Dongmei Xue , Hanfei Zhang , Mingbao Liu , Kaiqiang Xu , Jianjun Zhang","doi":"10.1016/j.jcis.2026.140030","DOIUrl":"10.1016/j.jcis.2026.140030","url":null,"abstract":"<div><div>Photosynthesis for H<sub>2</sub>O<sub>2</sub> production and pollutant degradation is a promising strategy to solve energy shortages and environmental pollution. However, developing photocatalysts with high-efficiency charge separation, migration, and utilization remains a major challenge. Herein, an organic-inorganic S-scheme heterojunction was constructed by integrating a Schiff-base covalent organic framework (COF) with CdIn<sub>2</sub>S<sub>4</sub> (CIS). Leveraging the staggered energy band alignment and work function difference between COF and CIS, a built-in electric field (IEF) was established at their interface, which not only enabled rapid interfacial charge transfer but also preserved sufficient redox potentials, thereby achieving enhanced photocatalytic activity. The optimized COF/CIS heterojunction leverages its hierarchical structure, broad visible-light absorption, and efficient S-scheme charge transfer to achieve a high photocatalytic H<sub>2</sub>O<sub>2</sub> generation rate of 3247 μmol·g<sup>−1</sup>·h<sup>−1</sup> in RhB solution (10 mg·L<sup>−1</sup>). An apparent quantum yield (AQY) of 3.87% is attained under 420 nm monochromatic light irradiation, along with a RhB degradation efficiency of approximately 93.2%. Furthermore, the enhanced interfacial charge transfer via the S-scheme heterojunction is elucidated using in-situ irradiated X-ray photoelectron survey spectrum (ISI-XPS) and femtosecond transient absorption (fs-TA) spectroscopy. This work establishes a rational design strategy for IEF regulation in organic-inorganic S-scheme heterojunction photocatalysts, thereby advancing the new prospects for artificial photosynthesis in energy and environmental applications.</div></div>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"710 ","pages":"Article 140030"},"PeriodicalIF":9.7,"publicationDate":"2026-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146130735","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Yunshan Mao , Chunxia Tang , Hongyu Sun , Yuhao Sheng , Cailing Yang , Jian Liu , Yifan Wang , Kaishuang Zhang , Shaohai Fu
{"title":"Dynamically tunable and broadband electromagnetic wave absorption cellulose nanofiber-based aerogel metamaterial via one-dimensional interface engineering","authors":"Yunshan Mao , Chunxia Tang , Hongyu Sun , Yuhao Sheng , Cailing Yang , Jian Liu , Yifan Wang , Kaishuang Zhang , Shaohai Fu","doi":"10.1016/j.jcis.2026.139998","DOIUrl":"10.1016/j.jcis.2026.139998","url":null,"abstract":"<div><div>Dynamic materials with broadband absorption and deflecting reflective beam properties are crucial for electromagnetic defense in complex environments. This work presented a cellulose nanofiber-based aerogel (MBAA) with superb elastic properties, featuring a reticulated pore wall structure <em>via</em> one-dimensional interface engineering. The reticulated pore walls of MBAA ensured excellent stress transfer, while the incorporation of silver nanowires introduced significant conductive losses. These features enabled the strain-driven tunable electromagnetic property of MBAA, yielding the lowest RL value of −65.56 dB and EAB of 4.0 GHz at 20% strain amplitude. Furthermore, a hollow aerogel metamaterial (MBAM) inspired by the natural structure of pine was proposed. Simulation results confirmed that the structural advantages of hexagonal cavity in MBAM activated EMW transmission paths, achieved broadband EMW absorption across a wide frequency range (1–18 GHz) optimizing through eight structural parameters. Moreover, MBAM demonstrated surprisingly deflection reflected beam properties varying from effective attenuation to anomalous reflection/scattering at different strain amplitudes. This was due to the abundant structure resonance and edge scattering effects, with a reduction in radar cross-section (RCS) reaching up to 43.33 dB·m<sup>2</sup>. This study pioneers the realization of dynamically tunable broadband absorption and deflection-reflected beam properties, offering valuable insights for metamaterial design in electromagnetic defense.</div></div>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"710 ","pages":"Article 139998"},"PeriodicalIF":9.7,"publicationDate":"2026-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146130706","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Jie Yang , Xiaowen Zhang , Kongying Zhu , Xiaoyan Yuan , Wenxiong Shi , Tingting Ren , Lixia Ren
{"title":"Self-assembled nanostructures of 3ph-imi[FeCl4] as a strong ice recrystallization inhibitor","authors":"Jie Yang , Xiaowen Zhang , Kongying Zhu , Xiaoyan Yuan , Wenxiong Shi , Tingting Ren , Lixia Ren","doi":"10.1016/j.jcis.2026.140021","DOIUrl":"10.1016/j.jcis.2026.140021","url":null,"abstract":"<div><div>Ice recrystallization inhibition (IRI) materials are important in both fundamental research and practical applications, but achieving efficient regulation through molecular design remains challenging. Herein, we synthesized a series of imidazole-based ionic liquids with triphenyl groups, 3ph-imi[X], and investigated the influence of various anions on their relationship between self-assembled structures and ice crystal regulation properties. In aqueous solution, 3ph-imi[FeCl₄] was found to form well-defined spindle-shaped nanosheets with crystalline order, whereas the other anions (cl, Br, NO<sub>3</sub>, Tb(NO<sub>3</sub>)<sub>4</sub>, ho(NO<sub>3</sub>)<sub>4</sub>) yielded conventional spherical micelles. Notably, 3ph-imi[FeCl₄] exhibited strong IRI activity (23.8%) at a rather low concentration (0.32 mM). The mechanism of the high IRI activity was investigated using single crystal X-ray diffraction and molecular dynamics simulations, which indicated that the spacing between its hydrophilic groups (7.07 Å) matched the lattice parameter of hexagonal ice along the <em>c</em>-axis, enabling effective adsorption onto the ice crystal surface thereby inducing interfacial curvature to inhibit ice crystal growth. This study provides new insights for designing high performance IRI materials by optimizing anion selection and molecular assembly to enhance interfacial order and ice matching capability, expanding the potential applications of ionic liquids in low-temperature fields</div></div>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"710 ","pages":"Article 140021"},"PeriodicalIF":9.7,"publicationDate":"2026-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146137104","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Robust Pickering emulsions stabilized with pH-responsive self-assembled amphiphilic tadpole bottlebrush copolymers: bulk reversibility of the self-assembly is lost at the interface.","authors":"Clément Goubault , Julien Rosselgong , Gireeshkumar Balakrishnan Nair , Élise Deniau , Maud Save , Christophe Chassenieux , Véronique Schmitt","doi":"10.1016/j.jcis.2026.140019","DOIUrl":"10.1016/j.jcis.2026.140019","url":null,"abstract":"<div><div>Hypothesis: The newly synthesized amphiphilic tadpole bottlebrush copolymer can exist in solution as unimers (disassembled polymer chains) or micelles depending on pH. Owing to this specific structure, these assemblies are at thermodynamic equilibrium, allowing for dynamic transitions between unimer and aggregated states. We hypothesize that the same copolymer can stabilize emulsions with distinct properties at varying pH, whether in its unimer or micellar state (Pickering emulsions).</div><div>Experiments: We characterized the copolymer behavior in aqueous solutions across pH range using dynamic light scattering (DLS), contact angle measurements, and dynamic tensiometry. Dodecane-in-water emulsions were prepared using the copolymer at various pH values. Emulsion characteristics were studied using optical microscopy and laser granulometry, complemented by visual observations to assess stability over time. The adsorption of polymer micelles at the emulsion droplet surface was investigated using transmission electron microscopy (TEM) of freeze-fractured samples.</div><div>Findings: Above pH 5–6, the copolymer acts as a macromolecular surfactant, resulting in emulsions with short-term stability. At lower pH (pH <5–6), when the copolymer self-assembles into micelles, very stable emulsions are obtained, exhibiting long-term stability (> 2 years) even at low copolymer concentrations (as low as 0.001 wt% with respect to total sample weight). Drop size is tunable with the copolymer concentration. TEM analysis of freeze-fractured emulsions reveals micelle adsorption at the droplet surface at low pH, highlighting their efficiency as Pickering emulsion stabilizers. Despite the copolymer reversible assembly in solution, no emulsion breakup occurs when pH increases to reach the unimer state domain. This unexpected behavior suggests that adsorbed copolymer micelles lose pH-sensitivity at the water-dodecane interface, demonstrating a unique system where interfacial behavior differs from solution behavior.</div></div>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"710 ","pages":"Article 140019"},"PeriodicalIF":9.7,"publicationDate":"2026-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146137109","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Gongde Lan , Yuchen Liu , Hongyuan Mao , Han Yu , Weicheng Huang , Pengxiang Chen , Xin Chen , Qingxu Song , Yufeng Cheng , Yuxia Luan
{"title":"A gadolinium-doped polyphenol-boron nanodrug for improved boron neutron capture therapy","authors":"Gongde Lan , Yuchen Liu , Hongyuan Mao , Han Yu , Weicheng Huang , Pengxiang Chen , Xin Chen , Qingxu Song , Yufeng Cheng , Yuxia Luan","doi":"10.1016/j.jcis.2026.139970","DOIUrl":"10.1016/j.jcis.2026.139970","url":null,"abstract":"<div><div>Boron neutron capture therapy (BNCT) is a promising strategy for selective tumor eradication. However, the clinical application of the boron delivery agent <em>p</em>‑boronophenylalanine (BPA) is limited by challenges such as poor solubility, suboptimal tumor accumulation, and lack of effective imaging capabilities. Here, we present a metal polyphenol-based boron nanodrug (EB@Gd NPs), designed to address these challenges and enhance the efficacy of BNCT. Self-assembled from epigallocatechin-3-gallate (EGCG), BPA, and gadolinium ions (Gd<sup>3+</sup>), the EB@Gd NPs exhibit significantly improved tumor targeting and enable real-time magnetic resonance imaging (MRI). These nanoparticles show enhanced tumor accumulation, with MRI providing dynamic insights into boron distribution, thus aiding in determining optimal timing for neutron irradiation. Furthermore, EGCG potentiates therapeutic effect of BNCT by inhibiting DNA repair and promoting efficient DNA double-strand breaks. Therefore, the EB@Gd NPs demonstrate potent tumor growth inhibition in BNCT, holding great potential for improving precision and efficacy of BNCT in cancer therapy.</div></div>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"710 ","pages":"Article 139970"},"PeriodicalIF":9.7,"publicationDate":"2026-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146071105","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Zhongyang Cao , Jun Ji , Ziteng Wang, Xiaotian Xia, Yanlong Zhao, Kangkang Zhou, Wei Zhai, Guoqiang Zheng, Kun Dai, Chuntai Liu, Changyu Shen
{"title":"Super-adhesive sensor based on amylopectin-polyacrylic acid hydrogel for deep learning-assisted sign language recognition","authors":"Zhongyang Cao , Jun Ji , Ziteng Wang, Xiaotian Xia, Yanlong Zhao, Kangkang Zhou, Wei Zhai, Guoqiang Zheng, Kun Dai, Chuntai Liu, Changyu Shen","doi":"10.1016/j.jcis.2026.139914","DOIUrl":"10.1016/j.jcis.2026.139914","url":null,"abstract":"<div><div>Flexible wearable electronic devices have garnered substantial research attention and emerged as a pivotal technology across diverse domains, ranging from healthcare monitoring to human-machine interaction. Despite significant advancements in flexible wearable electronic devices, their further application in advanced fields remains limited by poor adhesion and unstable performance. Hydrogels, as soft materials with three-dimensional cross-linked networks, possess inherent advantages that make them promising candidates for addressing these challenges. To comprehensively tackle the challenges, polyacrylic acid /tannic acid /amylopectin (PATA) hydrogels were rationally designed by tuning their composition and network architecture. The resulting PATA hydrogel integrates multiple desirable properties, including superior toughness (431.199 kJ m<sup>−3</sup>), high gauge factor (GF = 3.24), enhanced electrical conductivity (14.58 mS m<sup>−1</sup>), and strong adhesion to diverse surfaces (89.91 kPa). Moreover, the PATA hydrogel demonstrates remarkable capability in accurately detecting and distinguishing signals from various sources, demonstrating its versatility for communication and monitoring applications. Notably, it can be seamlessly integrated into a deep learning-assisted sign language recognition system, enabling efficient and reliable signal conversion. This innovation provides a robust foundation for bridging the communication gap between deaf-mute individuals and the hearing community.</div></div>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"709 ","pages":"Article 139914"},"PeriodicalIF":9.7,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146027875","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Fei Zheng, Na Yang, Shiqi Li, Jingkun Ren, Chengxi Zhang, Yang Hao, Qinjun Sun, Yuying Hao
{"title":"Bidirectional dual-anchoring buried interface regulates crystallization kinetics of perovskite prepared using two-step method for stable and efficient photovoltaics","authors":"Fei Zheng, Na Yang, Shiqi Li, Jingkun Ren, Chengxi Zhang, Yang Hao, Qinjun Sun, Yuying Hao","doi":"10.1016/j.jcis.2026.139866","DOIUrl":"10.1016/j.jcis.2026.139866","url":null,"abstract":"<div><div>Buried interface engineering has been widely recognized as an effective strategy to regulate the perovskite (PVK) crystallization kinetics. However, the mechanism of buried interfaces affect PVK crystallization kinetics is not yet well understood. In this work, a SnO<sub>2</sub>/PVK buried interface was modified using N,N′-ethylenediamine disuccinic acid (EDDS) to regulate the crystallization kinetics of the PVK prepared by two-step method and the influencing mechanism was investigated via in-situ spectroscopy techniques. The results indicated EDDS-modified buried interface accelerated the infiltration of organic ammonium salt solution and the formation of sol-gel state, delayed the formation and merging growth of PVK microcrystals, induced the oriented growth of PVK and improved the quality of the PVK film. Moreover, the EDDS exhibited a bidirectional dual-anchoring effect at the SnO<sub>2</sub>/PVK interface, which improved the electrical performance of SnO<sub>2</sub> film, ameliorated the SnO<sub>2</sub>/PVK interface contact and energy level arrangement and passivated interfacial defects. Benefiting from these advantages, EDDS-modified perovskite solar cells (PSCs) exhibited a power conversion efficiency (PCE) of 24.40%, higher than that of control device (22.89%). An unencapsulated EDDS-modified PSC also exhibited optimal operational stability, sustaining 79% of its initial PCE after continuous illumination for 500 h, being superior to 48% for the control device.</div></div>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"709 ","pages":"Article 139866"},"PeriodicalIF":9.7,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146035897","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}