Man

Oscar Guillermo Ramírez Contador

Líneas de Investigación


Educación

  •  Química, PONTIFICIA UNIVERSIDAD CATOLICA DE CHILE. Chile, 2024
  •  Químico, PONTIFICIA UNIVERSIDAD CATOLICA DE CHILE. Chile, 2018

 

Article (17)

Highly efficient and reusable CuAu nanoparticles supported on crosslinked chitosan hydrogels as a plasmonic catalyst for nitroarene reduction

Ramirez, Oscar; Bonardd, Sebastian; Saldias, Cesar; Leiva, Angel; Diaz, David Diaz

Article ISI
ENVIRONMENTAL RESEARCH  (2024)

Hydrogel composites based on chitosan and CuAuTiO<sub>2</sub> photocatalysts for hydrogen production under simulated sunlight irradiation

Ramirez, Oscar; Lopez-Frances, Anton; Baldovi, Herme G.; Saldias, Cesar; Navalon, Sergio; Leiva, Angel; Diaz, David Diaz

Article ISI
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES  (2024)

Unlocking the potential of Opuntia species mucilage in chemistry

Martin, Cristina del Mar Garcia; Ramirez, Oscar; Bonardd, Sebastian; Lopez-Darias, Marta; Franco, Lourdes; 'Rabet, Yassine M.; Khwaldia, Khaoula; Diaz, David Diaz

Article ISI
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES  (2024)

Bimetallic NiPt nanoparticles-enhanced catalyst supported on alginate-based biohydrogels for sustainable hydrogen production

Ramirez, Oscar; Bonardd, Sebastian; Saldias, Cesar; Kroff, Macarena; O'Shea, James N.; Diaz, David Diaz; Leiva, Angel

Article ISI
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES  (2023)

Effects of the Solvent Vapor Exposure on the Optical Properties and Photocatalytic Behavior of Cellulose Acetate/Perylene Free-Standing Films

Coderch, Gustavo; Cordoba, Alexander; Ramirez, Oscar; Bonardd, Sebastian; Leiva, Angel; Haering, Marleen; Diaz, David Diaz; Saldias, Cesar

Article ISI
POLYMERS  (2023)

Marrying plasmonic earth-abundant metals with catalytic metals for visible-light-promoted hydrogen generation on biobased materials

Ramirez, Oscar; Castillo, Sebastian; Bonardd, Sebastian; Saldias, Cesar; O'Shea, James N.; Clive, Christopher Philip; Diaz, David Diaz; Leiva, Angel

Article ISI
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING  (2023)

Photoswitching/back-switching assessment of biobased cellulose acetate/azobenzene handleable films under visible-light LED irradiation

Gajardo, G.; Cordoba, A.; Forero, A.; Fuentealba, D.; Ramirez, O.; Bonardd, S.; Toro-Labbe, A.; Leiva, A.; Diaz, D. Diaz; Saldias, C.

Article ISI
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES  (2023)

CuAu bimetallic plasmonic-enhanced catalysts supported on alginate biohydrogels

Ramirez, Oscar; Bonardd, Sebastian; Saldias, Cesar; Zambrano, Yadira; Diaz Diaz, David; Leiva, Angel

Article ISI
CARBOHYDRATE POLYMERS  (2022)

New Hybrid Nanocomposites with Catalytic Properties Obtained by In Situ Preparation of Gold Nanoparticles on Poly (Ionic Liquid)/Poly (4-Vinylpyridine) Nanofibers

Ramirez, Oscar; Leal, Matias; Briones, Ximena; Urzua, Marcela; Bonardd, Sebastian; Saldias, Cesar; Leiva, Angel

Article ISI
POLYMERS  (2022)

Porous chitosan-based nanocomposites containing gold nanoparticles. Increasing the catalytic performance through film porosity

Bonardd, Sebastian; Ramirez, Oscar; Abarca, Gabriel; Leiva, Angel; Saldias, Cesar; Diaz, David Diaz

Article ISI
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES  (2022)

A facile approach for tuning optical and surface properties of novel biobased Alginate/POTE handleable films via solvent vapor exposure

Mendez-Lopez, M.; Ramos-Hernandez, A.; Moreno-Serna, V.; Bonardd, S.; Ramirez, O.; Silva, Hernan; Inostroza-Rivera, Ricardo; Diaz, D. Diaz; Leiva, A.; Saldias, C.

Article ISI
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES  (2021)

Optical, morphological and photocatalytic properties of biobased tractable films of chitosan/donor-acceptor polymer blends

Jessop, I; Albornoz, J.; Ramirez, O.; Duran, B.; Molero, L.; Bonardd, S.; Kortaberria, G.; Diaz Diaz, D.; Leiva, A.; Saldias, C.

Article ISI
CARBOHYDRATE POLYMERS  (2020)

A novel environmentally friendly method in solid phase for in situ synthesis of chitosan-gold bionanocomposites with catalytic applications

Bonardd, Sebastian; Saldias, Cesar; Ramirez, Oscar; Radic, Deodato; Recio, Francisco J.; Urzua, Marcela; Leiva, Angel

Article ISI SCOPUS
CARBOHYDRATE POLYMERS  (2019)

Exploring the Effect of the Irradiation Time on Photosensitized Dendrimer-Based Nanoaggregates for Potential Applications in Light-Driven Water Photoreduction

Martinez, Natalia P.; Inostroza-Rivera, Ricardo; Duran, Boris; Molero, Leonard; Bonardd, Sebastian; Ramirez, Oscar; Isaacs, Mauricio; Diaz Diaz, David; Leiva, Angel; Saldias, Cesar

Article ISI SCOPUS
NANOMATERIALS  (2019)

New poly(itaconate)s with bulky pendant groups as candidates for "all-polymer" dielectrics

Bonardd, Sebastian; Alegria, Ángel; Ramirez, Oscar; Saldías, Cesar; Leiva, Ángel; Kortaberria, Galder

Article ISI SCOPUS
REACTIVE FUNCTIONAL POLYMERS  (2019)

Biobased Chitosan Nanocomposite Films Containing Gold Nanoparticles: Obtainment, Characterization, and Catalytic Activity Assessment

Ramirez O.; Bonardd S.; Saldías C.; Radic D.; Leiva Á.

Article ISI SCOPUS
ACS APPLIED MATERIALS & INTERFACES  (2017)

New cyclometalated Ir(III) complexes with bulky ligands with potential applications in LEC devices: experimental and theoretical studies of their photophysical properties

Dreyse, Paulina; Gonzalez, Ivan; Cortes-Arriagada, Diego; Ramirez, Oscar; Salas, Ignacio; Gonzalez, Andrea; Toro-Labbe, Alejandro; Loeb, Barbara

Article ISI SCOPUS
NEW JOURNAL OF CHEMISTRY  (2016)

Proyecto (3)

Materiales poliméricos para dieléctricos aplicables a almacenamiento de energía.

FONDAP (115110019)

Proyecto
2018-2020
Personal técnico y/o de apoyo

Nanocompositos basados en polímeros enfocados a aplicaciones de almacenamiento y conversión de energía

FONDECYT (1161159)

Proyecto
2016-2019
Personal técnico y/o de apoyo

Películas poliméricas delgadas conteniendo nanopartículas de metales nobles, síntesis, caracterización y evaluación de potenciales aplicaciones

FONDECYT (1120119)

Proyecto
2012-2015
Personal técnico y/o de apoyo

17
Oscar Ramírez

9
Angel Leiva

Full Professor

Physical Chemistry

PONTIFICIA UNIVERSIDAD CATÓLICA DE CHILE

Santiago, Chile

4
Sebastian Bonardd

Investigador Postdoctoral

Departamento de Química Orgánica

Universidad de La Laguna

San Cristobal de La Laguna, España

3
Cesar Saldias

Profesor Asistente

de Química Física

Pontificia Universidad Catolica de Chile

Santiago, Chile

2
Boris Duran

Instructor Adjunto

PONTIFICIA UNIVERSIDAD CATOLICA DE CHILE

1
Macarena Kroff

Academico a honorario

Química Inorgánica

Pontificia Universidad Católica de Chile

Santiago, Chile

1
Ignacio Jessop

Profesor Asistente Jornada Completa

Departamento de Química

Universidad de Tarapacá

Arica, Chile

1
Iván González

Profesor

Química

Universidad Tecnológica Metropolitana

Santiago, Chile

1
Francisco Recio

Profesor Asistente

PONTIFICIA UNIVERSIDAD CATOLICA DE CHILE

Chile

1
Natalia Martínez

Investigador Postdoctoral

Química

Pontificia Universidad Católica de Chile

Santiago, Chile

1
Diego Cortés

Académico No Regular

Programa Institucional de Fomento a la Investigación, Desarrollo e Innovación

Universidad Tecnológica Metropolitana

Santiago, Chile

1
Alejandro Toro

PROFESOR TITULAR

Química Física

PONTIFICIA UNIVERSIDAD CATOLICA DE CHILE

Santiago, Chile

1
Paulina Dreyse

Profesor Asistente

Departamento de Química

Universidad de Chile

Santiago, Chile