Ciència dels Materials i Química Física

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Els materials de recerca de la Universitat de Barcelona (UB) a RECERCAT s'obtenen de les col·leccions de Recerca del Dipòsit Digital de la UB.
Si sou membre de la UB i esteu interessat a publicar materials de recerca contacteu amb dipositdigital@ub.edu o consulteu les indicacions .

Política d’accés obert a la UB


Publicacions en accés obert derivades de l'activitat investigadora del professorat de la Universitat de Barcelona.

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Llista ítems afegits recenment

Peroxymonosulfate activation on the S-scheme heterojunction Bi<sub>4</sub>O<sub>5</sub>I<sub>2</sub>/TiO<sub>2</sub> photoanode of a photocatalytic fuel cell for degradation of tetracyclines with green power generation. 

Wu, Huizhong; Liang, Ruiheng; Chen, Yujie; Zhang, Xiuwu; Liu, Jingyang; Xia, Zehua; Sirés Sadornil, Ignacio; Zhou, Minghua (Publication date: 2026-03-23)

Photocatalytic fuel cells (PFC) are green devices for simultaneous contaminant degradation and power generation. However, their performance is still limited due to the inefficient light capture and poor charge transfer at ...

Unlocking the predictive power of quantum-inspired representations for intermolecular properties in machine learning 

Santiago, Raul; Vela Llausí, Sergi; Deumal i Solé, Mercè; Ribas Ariño, Jordi (Publication date: 2026-03-23)

The quest for accurate and efficient Machine Learning (ML) models to predict complex molecular properties has driven the development of new quantum-inspired representations (QIR). This study introduces MODA (Molecular ...

X-ray diffraction pattern analysis of CrFeCoNi high-entropy alloy deposited via cold spray 

Silvello, A. (Alessio); Cabrera, José María; García Cano, Irene; Aguilar, Claudio (Publication date: 2026-03-19)

CrFeCoNi high-entropy alloy (HEA) powder with an equimolar composition was produced via gas atomization and applied as a coating using the cold-spray technique. X-ray diffraction patterns were analyzed to characterize the ...

Efficiency of Orthodontic Adhesives: Influence of Saliva and Shear Direction - in vitro study 

Ignatova, Tatiana; Xuriguera Martín, María Elena; d'Oliveira, Nuno Gustavo; Sánchez Molins, Meritxell (Publication date: 2026-03-13)

This in vitro study evaluated the shear bond strength (SBS) and adhesive remnant index (ARI) of orthodontic molar tubes bonded using conventional, hydrophilic, and self-etch adhesives under dry and saliva-contaminated ...

Assessing the HClO/Fe^2+Fenton-like reaction for the degradation of metronidazole in a flow cell equipped with a Ti-Ru-Ir oxides anode 

Rodríguez, Juan F.; Cornejo, Oscar M.; Sirés Sadornil, Ignacio; Nava, José L. (Publication date: 2026-03-10)

This work examines the electrochemical mineralization of metronidazole (MTZ) via the photoelectro-Fenton-like (PEF-like) process in a flow plant utilizing a filter-press electrolyzer with a Ti|Ti-Ru-Ir-oxides anode. The ...

Unveiling the challenge of evaporator design in clean water production promoted by superabsorbent hydrogels and sunlight 

Amir, Umamah; Lanzalaco, Sonia; Harre, Kathrin; Àgueda, Alba; Pérez-Madrigal, Maria M.; Sirés Sadornil, Ignacio; Armelin, Elaine (Publication date: 2026-02-04)

Climate change is affecting water availability and the supply. This situation is particularly worrying in Mediterranean area countries, where droughts are becoming increasingly long and severe. Herein, a superabsorbent ...

Highly Efficient Air Sterilization via Low-Temperature Interfacial Evaporation in Inductively Heated Superhydrophilic Ferromagnetic Filters 

López-Ortega, A.; Garaio, E.; Esplandiu, María J.; Nogues, Josep; Sepúlveda, Borja; Fons, Arnau; Vaca, Cristina; Franco-Trepat, E.; Lafuente, Aritz; Tajada, J.L.; Serrà i Ramos, Albert; Diaz Pedroza, J.; Franco, S.; Boreika, R.; Erkizia, I.; Izquierdo Useros, Nuria (Publication date: 2026-01-23)

The scientific evidence supporting airborne transmission of pathogens in closed spaces highlights the inefficiency of current air circulation and filtration technologies (e.g., HEPA filters, UV, ozone, ionization) in ...

Multiscale study of the mechanism of catalytic CO<sub>2</sub> hydrogenation: role of the Ni(111) facets 

Lozano-Reis, Pablo; Prats Garcia, Hèctor; Gamallo Belmonte, Pablo; Illas i Riera, Francesc; Sayós Ortega, Ramón (Publication date: 2026-01-23)

The molecular mechanism of CO2 hydrogenation on a Ni(111) surface has been thoroughly investigated by means of periodic density functional theory calculations, including dispersion interactions, along with accurate kinetic ...

Mechanically activated kaolin replacing metakaolin in alkali-activated cement formulation 

Marco-Gibert, Josep; Alvarez-Coscojuela, Adrian; Mañosa Bover, Jofre; Formosa Mitjans, Joan; Chimenos Ribera, Josep Ma. (Publication date: 2026-01-23)

This work provides in-depth research on alkali-activated binder formulations, employing mechanically activatedkaolin (K-MA) as a substitute precursor for metakaolin (MK). The potential of K-MA to replace MK was evaluated ...

On the role of dynamic electron correlation in non-orthogonal configuration interaction with fragments 

Sanchez-Mansilla, Aitor; Sousa Romero, Carmen; Kathir, R. K.; Broer, Ria; Straatsma, T. P.; de Graaf, Coen (Publication date: 2026-01-16)

Two different approaches have been implemented to include the effect of dynamic electron correlation in the Non-Orthogonal Configuration Interaction for Fragments (NOCI-F) method. The first is based on shifting the diagonal ...

Tuning MXenes Towards Their Use in Photocatalytic Water Splitting 

Ontiveros Cruz, Diego; Vela Llausí, Sergi; Viñes Solana, Francesc; Sousa Romero, Carmen (Publication date: 2026-01-15)

Finding appropriate photocatalysts for solar-driven water (H2O) splitting to generate hydrogen (H2) fuel is a challenging task, particularly when guided by conventional trial-and-error experimental methods. Here, density ...

GronOR: Scalable and Accelerated Non-Orthogonal Configuration Interaction for Molecular Fragment Wave Functions 

Straatsma, T. P.; Broer, Ria; Sanchez-Mansilla, Aitor; Sousa Romero, Carmen; de Graaf, Coen (Publication date: 2026-01-09)

GronOR is a program package for nonorthogonalconfiguration interaction calculations. Electronic wave functions are constructed in terms of antisymmetrized products of multiconfiguration molecular fragment wave functions. ...

Exploring the photoactive properties of promising MXenes for water splitting 

Ontiveros Cruz, Diego; Viñes Solana, Francesc; Sousa Romero, Carmen (Publication date: 2026-01-09)

The photoactive properties and effectiveness of a selected group of ten terminated MXenes—Sc2CT2, Y2CT2 (T = Cl, Br, S, and Se), Y2CI2 and Zr2CO2—has been deeply studied by means of density functional theory (DFT). Here ...

Thermal evaluation of polymorphic transitions in layered hybrid organic-inorganic perovskites for energy storage applications 

Salgado Pizarro, Rebeca; Navarro-Rivero, M. E.; Ding, Y.; Barreneche, Camila; Fernández Renna, Ana Inés (Publication date: 2025-12-19)

Layered hybrid organic-inorganic perovskites (LHOIPs) have gained specific attention in applications such as optoelectronics. However, from the thermal perspective, these materials present a high potential for thermal ...

Life cycle assessment of the climate change impact of magnesium phosphate cements formulated with tundish deskulling waste compared to conventional cement 

Alfocea Roig, Anna; Müller, Amelie; Steubing, Bernhard; Huete-Hernández, Sergio; Giró Paloma, Jessica; Formosa Mitjans, Joan (Publication date: 2025-12-15)

Ordinary Portland cement (OPC) production significantly contributes to greenhouse gas emissions due to high resource consumption and CO2 output. It is therefore imperative to investigate alternative cements, such as magnesium ...

New database of sustainable solid particle materials to perform a material-based design for a thermal energy storage in concentrating solar power 

Majó, Marc; Calderón Díaz, Alejandro; Svobodova Sedlackova, Adela; Segarra Rubí, Mercè; Fernández Renna, Ana Inés; Barreneche, Camila (Publication date: 2025-12-15)

Renewable energies have surged worldwide, aiming to mitigate greenhouse gas emissions and reduce dependence on fossil fuels. Concentrated solar power (CSP) with thermal energy storage (TES) emerges as a viable alternative ...

Highly efficient singlet oxygen production in a cascade photoelectrocatalytic system for water decontamination 

Liang, Ruiheng; Li, Shuaishuai; Zhang, Xiuwu; Hu, Zhongzheng; Wu, Huizhong; Sun, Jiangli; Song, Ge; Liu, Jingyang; Chai, Yandong; Sirés Sadornil, Ignacio; Zhou, Minghua (Publication date: 2025-11-28)

Singlet oxygen (¹O₂) demonstrates great potential for selective wastewater detoxification, which raises the appeal to achieve a controllable, mild, and efficient generation of this reactive species for water decontamination. ...

Durably Superhydrophobic Magnetic Cobalt Ferrites for Highly Efficient Oil–Water Separation and Fast Microplastic Removal 

Ren, Anhua; Rius Ayra, Oriol; Kang, Min; Llorca i Isern, Núria (Publication date: 2025-07-21)

Microplastic pollution has become a primary global concern in the 21st century. Recyclable magnetic particles with micro-nanostructures are considered an efficient and economical way to remove microplastics from water. In ...

Development of hazelnut shell‑derived biochar to support a bifunctional MoCoelectrocatalyst for HER/OER in alkaline medium 

Ñanculeo, Jaime; Andreu Arbella, Teresa; Sirés Sadornil, Ignacio; Ramírez, Andrés; Cea, Mara; Nahuelcura, Benjamín; Valenzuela, Gerson; Garrido-Miranda, Karla; González, María Eugenia (Publication date: 2025-07-15)

Hydrogen evolution reaction (HER) and oxygen evolution reaction (OER), the two concurrent reactions for the electrolytic production of green H2, require low-cost and sustainable electrocatalysts for their scale-up, as for ...

Determining the chemical ordering in nanoalloys by considering atomic coordination types 

Farris, Riccardo; Neyman, Konstantin M.; Bruix Fusté, Albert (Publication date: 2025-07-16)

The energetically most favorable chemical ordering of bimetallic nanoparticles can be characterized by combining global optimization algorithms and surrogate energy models. The latter approximate the energy of nanoalloys ...

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