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NEW PATENT – METHOD FOR THE PHYSICAL SYNTHESIS OF METALLIC NANOPARTICLES

PATENT WO2022224090 – METHOD FOR THE PHYSICAL SYNTHESIS OF METALLIC NANOPARTICLESPATENT WO2022224090 – METHOD FOR THE PHYSICAL SYNTHESIS OF METALLIC NANOPARTICLES https://patentscope.wipo.int/search/en/detail.jsf?docId=WO2022224090 Abstract(EN) The present invention relates to a method for the physical synthesis of metallic nanoparticles, which comprises: (a) depositing a metallic film on a substrate of irregularly oriented salt crystal; and (b) heat-treatingSigue leyendo «NEW PATENT – METHOD FOR THE PHYSICAL SYNTHESIS OF METALLIC NANOPARTICLES»

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The disconnection between artificial intelligence engineering research and sustainable development

Artificial intelligence (AI) has the potential to contribute to solving some of the most pressing societal issues of our time, but to what extent are engineers reflecting on the uses of their technologies for sustainable development, and who is producing the engineering knowledge behind AI? https://www.leidenmadtrics.nl/articles/the-disconnection-between-artificial-intelligence-engineering-research-and-sustainable-development

Our most recent paper: Valence State Tuning of Gold Nanoparticles in the Dewetting Process: An X-ray Photoelectron Spectroscopy Study

Gold nanoparticles (AuNPs) are commonly synthesized using the citrate reduction method, reducing Au3+ into Au1+ ions and facilitating the disproportionation of aurous species to Au atoms (Au0). This method results on citrate-capped AuNPs with valence single states Au0. Here, we report a methodology that allows obtaining AuNPs by the dewetting process with three different valence states (Au3+,Sigue leyendo «Our most recent paper: Valence State Tuning of Gold Nanoparticles in the Dewetting Process: An X-ray Photoelectron Spectroscopy Study»

New REVIEW: Tug-of-War in the Selection of Materials for Battery Technologies

We are very excited to share that our review Tug-of-War in the Selection of Materials for Battery Technologies has just been published MDPI https://mdpi.com/1792914 #mdpibatteries. #Batteries are the heart and the bottleneck of portable electronic systems. This review studies material used in the four battery components from the perspective and the impact of seven ions (Li+, Na+, K+,Sigue leyendo «New REVIEW: Tug-of-War in the Selection of Materials for Battery Technologies»

Our most recent article published in Nanoscale Advances

One of the important challenges of the #4IR is to provide #energy autonomy to billions of IoT #SDG7. #Thermoelectric materials can play a key role in this. But first, it is necessary to reduce its #thermalConductivity. (SThM) is a powerful technique for thermal characterization. However, one of the most challenging aspects of thermal characterization isSigue leyendo «Our most recent article published in Nanoscale Advances»

Investigador Senior (IS) 2022 Minciencias

Excelentes noticias. En su última clasificación nacional de investigadores el Ministerio de Ciencia, Tecnología e Innovación ha catalogado al profesor Jaime Andrés Pérez en su máxima categoría: Investigador Senior. Esto es especialmente importante de cara a liderar desde Research group – (NANOUPAR) Nanostructures and Applied Physics Group en la UNIVERSIDAD NACIONAL DE COLOMBIA, Sede deSigue leyendo «Investigador Senior (IS) 2022 Minciencias»

Sondas artesanales miden con eficacia contaminación del agua

Desde nuestro grupo de investigación en NANOESTRUCTURAS Y FÍSICA APLICADA (#NANOUPAR) estamos interesados en hacer un ejercicio de economía circular, en el que, utilicemos materiales reciclados, botellas plásticas de alimentación (PET) básicamente, las cuales se pueden utilizar y luego triturar, para usarse de nuevo como material imprimible; la idea a mediano plazo es impulsar laSigue leyendo «Sondas artesanales miden con eficacia contaminación del agua»

Más allá de los rankings:

¿hay investigación en inteligencia artificial para el desarrollo sostenible? La producción de rankings internacionales de investigación, innovación y tecnología permite tener una visión general sobre las capacidades y la preparación de un país para producir y utilizar conocimiento científico. Tal es el caso del Global Innovation Index a nivel de sistemas de innovación nacionales y,Sigue leyendo «Más allá de los rankings:»

Our last paper:

Intense laser field effect on the D2+ molecular complex strongly confined in a semiconductor quantum ring: Electronic and optical properties The present theoretical study is concerned with the behavior of a D2+ molecular complex strongly confined in a semiconductor quantum ring under external probes: intense laser-field radiation and orthogonal electric and magnetic fields. The theoretical calculations were made usingSigue leyendo «Our last paper:»