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Esteban Alejandro Araya Hermosilla

Investigador PostDoctoral

Universidad de Chile

Santiago, Chile

My research focuses on polymeric materials and nanocomposites: thermoreversible thermosets, self-healing composites, MXene/graphite exfoliation, bactericidal systems, sensors, and advanced characterization (Raman, FTIR, HNMR DSC, TGA, DMTA, tensile).

Materials science, UNIVERSITEIT GRONINGEN. Holanda, 2019

Visiting researcher Other

UNIV.DI PISA

Pisa, Italia

2024 - 2024
Investigador Postdoctoral Full Time

UNIVERSIDAD DE CHILE

Facultad de ciencias fisicas y matemáticas

Santiago, Chile

2023 - A la fecha
Visiting researcher Full Time

UNIV.DI PISA

Pisa, Italia

2019 - 2023
Postdoc Full Time

UNIV.DI PISA

Pontedera, Chile

2018 - 2023
Asistente de investigacion Full Time

UNIVERSIDAD AUSTRAL DE CHILE

Facultad de ciencias

Valdivia, Chile

2012 - 2013
PhD student Full Time

UNIVERSITEIT GRONINGEN

Faculty of Science and Engineering

Groningen , Holanda

2013 - 2017
Buzo científico Part Time

UNIVERSIDAD AUSTRAL DE CHILE

Facultad de ciencias

Valdivia, Chile

2009 - 2009
Practica profesional Part Time

UNIVERSIDAD AUSTRAL DE CHILE

Facultad de ciencias

Valdivia, Chile

2009 - 2009
Practica profesional Part Time

UNIVERSIDAD AUSTRAL DE CHILE

Facultad de ciencias

Valdivia, Chile

2009 - 2009


Effect of Sonication Approaches on the Silanization and Structural Quality of Multilayer Ti3C2Tx Araya-Hermosilla, Esteban; Correa, Alvaro; Zambrano, Dario; Tormos-Feliu, Eva; Sanudo, E. Carolina; Araya-Hermosilla, Rodrigo; Blanco, Adriana; Gracia, Francisco; Moncada, Daniel; Fuenzalida, Victor; et al. Article ISI ADVANCED ENGINEERING MATERIALS (2025)
Production of Graphite Nanoplatelets via Functionalized Polyketone-Assisted Diels–Alder Chemistry: Evidence of Reduced Layer Thickness and Enhanced Exfoliation Efficiency Ricardo Cisternas; Jaime Orellana; Nataly Silva; Jonathan Correa-Puerta; Andrea Pucci; Ranjita K. Bose; Francesco Picchioni; Esteban Araya-Hermosilla; Rodrigo Araya-Hermosilla Article POLYMERS (2025)
Tailoring Thermomechanical, Shape Memory and Self-Healing Properties of Furan-Based Polyketone via Diels-Alder Chemistry with Different Bismaleimide Crosslinkers Araya-Hermosilla, Esteban; Carlotti, Marco; Orozco, Felipe; Lima, Guilherme Macedo R.; Araya-Hermosilla, Rodrigo; Ortega, Daniela E.; Cortes-Arriagada, Diego; Picchioni, Francesco; Bose, Ranjita K.; Mattoli, Virgilio; et al. Article ISI POLYMERS (2025)
Polyketone-Based Anion-Exchange Membranes for Alkaline Water Electrolysis Racchi, Ottavia; Baldassari, Rebecca; Araya-Hermosilla, Esteban; Mattoli, Virgilio; Minei, Pierpaolo; Pozio, Alfonso; Pucci, Andrea Article ISI POLYMERS (2023)
Preparation of different conjugated polymers characterized by complementary electronic properties from an identical precursor Carlotti, Marco; Losi, Tommaso; De Boni, Francesco; Vivaldi, Federico Maria; Araya-Hermosilla, Esteban; Prato, Mirko; Pucci, Andrea; Caironi, Mario; Mattoli, Virgilio Article ISI POLYMER CHEMISTRY (2023)
Electroactive performance and cost evaluation of carbon nanotubes and carbon black as conductive fillers in self-healing shape memory polymers and other composites Orozco, Felipe; Salvatore, Alex; Sakulmankongsuk, Anchista; Gomes, Diego Ribas; Pei, Yutao; Araya-Hermosilla, Esteban; Pucci, Andrea; Moreno-Villoslada, Ignacio; Picchioni, Francesco; Bose, Ranjita K. Article ISI POLYMER (2022)
Functionalized aliphatic polyketones with germicide activity Araya-Hermosilla, Esteban; Parlanti, Paola; Gemmi, Mauro; Mattoli, Virgilio; Di Pietro, Sebastiano; Iacopini, Dalila; Granchi, Carlotta; Turchi, Barbara; Fratini, Filippo; Di Bussolo, Valeria; et al. Article ISI RSC ADVANCES (2022)
Nitrogen Dioxide Optical Sensor Based on Redox-Active Tetrazolium/Pluronic Nanoparticles Embedded in PDMS Membranes Araya-Hermosilla, Esteban; Araya-Hermosilla, Rodrigo; Visentin, Francesco; Picchioni, Francesco; Pucci, Andrea; Mattoli, Virgilio Article ISI CHEMOSENSORS (2022)
One-step functionalization of mildly and strongly reduced graphene oxide with maleimide: an experimental and theoretical investigation of the Diels-Alder [4+2] cycloaddition reaction Ferretti, Alfonso; Sinha, Sourab; Sagresti, Luca; Araya-Hermosilla, Esteban; Prato, Mirko; Mattoli, Virgilio; Pucci, Andrea; Brancato, Giuseppe Article ISI PHYSICAL CHEMISTRY CHEMICAL PHYSICS (2022)
Rapid self-healing in IR-responsive plasmonic indium tin oxide/polyketone nanocomposites Araya-Hermosilla, Esteban; Gabbani, Alessio; Mazzotta, Arianna; Ruggeri, Marina; Orozco, Felipe; Cappello, Valentina; Gemmi, Mauro; Bose, Ranjita K.; Picchioni, Francesco; Pineider, Francesco; et al. Article ISI JOURNAL OF MATERIALS CHEMISTRY A (2022)
Synthesis of poly(1-vinylimidazole)-<i>block</i>-poly(9-vinylcarbazole) copolymers via RAFT and their use in chemically responsive graphitic composites Migliore, Nicola; Araya-Hermosilla, Esteban; Scheutz, Georg M.; Sumerlin, Brent S.; Pucci, Andrea; Raffa, Patrizio Article ISI JOURNAL OF POLYMER SCIENCE (2022)
Valorization of seashell waste in polypropylene composites: An accessible solution to overcome marine landfilling Cangiotti, Jacopo; Scatto, Marco; Araya-Hermosilla, Esteban; Micheletti, Cosimo; Crivellari, Diego; Balloni, Alice; Pucci, Andrea; Benedetti, Alvise Article ISI EUROPEAN POLYMER JOURNAL (2022)
Thermally Switchable Electrically Conductive Thermoset rGO/PK Self-Healing Composites Araya-Hermosilla, Esteban; Giannetti, Alice; Lima, Guilherme Macedo R.; Orozco, Felipe; Picchioni, Francesco; Mattoli, Virgilio; Bose, Ranjita K.; Pucci, Andrea Article ISI POLYMERS (2021)
Chemical and Temperature Sensors Based on Functionalized Reduced Graphene Oxide Araya-Hermosilla, Esteban; Minichino, Matteo; Mattoli, Virgilio; Pucci, Andrea Article ISI CHEMOSENSORS (2020)
Electrically-Conductive Polyketone Nanocomposites Based on Reduced Graphene Oxide Araya-Hermosilla, Esteban Alejandro; Carlotti, Marco; Picchioni, Francesco; Mattoli, Virgilio; Pucci, Andrea Article ISI POLYMERS (2020)
Mechanical properties and electrical surface charges of microfibrillated cellulose/imidazole-modified polyketone composite membranes Caballero, Leonardo; Rolleri, Aldo; Quero, Franck Article ISI POLYMER TESTING (2020)
pH-Responsive Polyketone/5,10,15,20-Tetrakis-(Sulfonatophenyl)Porphyrin Supramolecular Submicron Colloidal Structures Araya-Hermosilla, Esteban; Moreno-Villoslada, Ignacio; Araya-Hermosilla, Rodrigo; Flores, Mario E.; Raffa, Patrizio; Biver, Tarita; Pucci, Andrea; Picchioni, Francesco; Mattoli, Virgilio Article ISI POLYMERS (2020)
Synthesis of tuneable amphiphilic-modified polyketone polymers, their complexes with 5,10,15,20-tetrakis-(4-sulfonatophenyl)porphyrin, and their role in the photooxidation of 1,3,5-triphenylformazan confined in polymeric nanoparticles Abbing, MR Article ISI SCOPUS POLYMER (2019)
Totally Organic Redox-Active pH-Sensitive Nanoparticles Stabilized by Amphiphilic Aromatic Polyketones Munoz-Suescun, F; Oyarzun-Ampuero, F; Raffa, P; Polgar, LM; Picchioni, F Article ISI SCOPUS JOURNAL OF PHYSICAL CHEMISTRY B (2018)
An easy synthetic way to exfoliate and stabilize MWCNTs in a thermoplastic pyrrole-containing matrix assisted by hydrogen bonds R. Araya-Hermosilla, A. Pucci, E. Araya-Hermosilla, P. P. Pescarmona, P. Raffa, L. M. Polgar, I. Moreno-Villoslada, M. Flores, G. Fortunato, A. A. Broekhuis and F. Picchioni. Article ISI SCOPUS RSC ADVANCES (2016)
Novel polyketones with pendant imidazolium groups as nanodispersants of hydrophobic antibiotics Araya-Hermosilla E; Toncelli, C; Picchioni, F; Moreno-Villoslada, I Article ISI SCOPUS JOURNAL OF APPLIED POLYMER SCIENCE (2015)
Immobilization of rhodamine 6G in calcium alginate microcapsules based on aromatic-aromatic interactions with poly(sodium 4-styrenesulfonate) Araya-Hermosilla, Esteban; Muñoz, Daniel; Orellana, Sandra; Yáñez, Alejandro; Olea, Andres F.; Oyarzun Ampuero, Felipe; Moreno Villoslada, Ignacio Article ISI SCOPUS REACTIVE & FUNCTIONAL POLYMERS (2014)
Sensing Cu2+ by controlling the aggregation properties of the fluorescent dye rhodamine 6G with the aid of polyelectrolytes bearing different linear aromatic density Araya-Hermosilla R.; Araya-Hermosilla E; Torres-Gallegos C.; Alarcon-Alarcon, C; Moreno-Villoslada, I Article ISI SCOPUS REACTIVE AND FUNCTIONAL POLYMERS (2013)


MATERIALS BASED ON NANOPARTICLES CONTAINING ACTIVE LOW MOLECULAR WEIGTH MOLECULES FONDECYT (1120514) Proyecto 2012-2015 Personal técnico y/o de apoyo
NANOPARTICLE FORMATION BASED ON AROMATIC-AROMATIC INTERACTIONS FONDECYT (1090341) Proyecto 2009-2012 Tesista


Polymer-Assisted Graphite Exfoliation: Advancing Nanostructure Preparation and Multifunctional Composites Orellana, Jaime; Araya-Hermosilla, Esteban; Pucci, Andrea; Araya-Hermosilla, Rodrigo Review ISI POLYMERS (2024)