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Employment (2)

Universidad Andrés Bello: Santiago, CL

2007-07 to present | Full Professor (Physical Science)
Employment
Source: Self-asserted source
Walter Orellana

Universidad Andr�s Bello: SANTIAGO, REGION METROPOLITANA DE SANTIAGO, CL

2007 to present | DIRECTOR(A) DOCTORADO CIENCIAS FISICAS (Facultad de Ciencias Exactas)
Employment
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Universidad Andrés Bello via ORCID Member Portal

Education and qualifications (3)

Universidade de São Paulo : São Paulo, SP, BR

1997 | PhD in Physics
Education
Source: Self-asserted source
Walter Orellana

Universidade de São Paulo: Sao Paulo, SP, BR

1992 | Master of Science (Physics)
Education
Source: Self-asserted source
Walter Orellana

Universidad de Chile: Santiago, CL

1989 | Bachelor of Science (Physics)
Education
Source: Self-asserted source
Walter Orellana

Works (50 of 82)

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Page 1 of 2

Stability and activity of organometallic phthalocyanine sheets for oxygen reduction and oxygen evolution reactions: A DFT study

Electrochimica Acta
2025-01 | Journal article
Contributors: Walter Orellana
Source: check_circle
Crossref

Metal Substitutions in the MOF-5 Metal–Organic Framework: A Hybrid Density Functional Theory Study

The Journal of Physical Chemistry C
2024-04-18 | Journal article
Contributors: Walter Orellana
Source: check_circle
Crossref

Fe and Co adatoms on bilayer borophene as single-atom catalysts for the oxygen-reduction reaction: A theoretical study

Physical Review Applied
2024-03-06 | Journal article
Contributors: Walter Orellana; Roberto H. Miwa
Source: check_circle
Crossref

Si5-pentagonal rings and Y-shaped Si4 building blocks in Li32Si18 system: similarities with the crystalline Zintl phase Li12Si7

Molecular Systems Design & Engineering
2023 | Journal article
Contributors: Osvaldo Yañez; Diego Inostroza; Luis Leyva-Parra; José Solar-Encinas; J. César Cruz; Jorge Garza; Alejandro Vásquez-Espinal; Ricardo Pino-Rios; Walter Orellana; William Tiznado
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Crossref

Graphene-supported MB36 clusters (M=Fe, Co, Ni) as a single-atom electrocatalyst for the oxygen reduction reaction: A DFT study

Electrochimica Acta
2023-11 | Journal article
Part of ISSN: 0013-4686
Contributors: José Solar-Encinas; Alejandro Vásquez-Espinal; Osvaldo Yañez; William Tiznado; Walter Orellana
Source: Self-asserted source
Walter Orellana

On the Effects of Br−, ClO4−, NO3− Anions on the Oxygen Reduction Reaction Electrocatalysis at Fe Phthalocyanine Modified Electrodes

Electrochimica Acta
2023-10 | Journal article
Contributors: César Zúñiga Loyola; Angélica Gatica; Nicolás Troncoso; Walter Orellana; Federico Tasca
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Crossref

Planar Elongated B12 Structure in M3B12 Clusters (M = Cu-Au)

Molecules
2022-12-28 | Journal article
Contributors: José Solar-Encinas; Alejandro Vásquez-Espinal; Luis Leyva-Parra; Osvaldo Yañez; Diego Inostroza; Maria Luisa Valenzuela; Walter Orellana; William Tiznado
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Crossref
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Effect of Electrolyte Media on the Catalysis of Fe Phthalocyanine toward the Oxygen Reduction Reaction: Ab Initio Molecular Dynamics Simulations and Experimental Analyses

ACS Catalysis
2022-10-21 | Journal article
Contributors: Walter Orellana; Cesar Zuñiga; Angelica Gatica; Maria-Soledad Ureta-Zanartu; Jose H. Zagal; Federico Tasca
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Crossref

Bowl‐shaped Cluster CuB12−: A Viable Global Minimum with Twofold Aromaticity

ChemPhysChem
2022-10-06 | Journal article
Contributors: José Solar‐Encinas; Luis Leyva‐Parra; Osvaldo Yáñez; Diego Inostroza; Julio R. Barrios‐Llacuachaqui; Alejandro Vásquez‐Espinal; Walter Orellana; William Tiznado
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Crossref

Evidence of carbon-supported porphyrins pyrolyzed for the oxygen reduction reaction keeping integrity

Scientific Reports
2022-05-16 | Journal article
Contributors: Walter Orellana; César Zúñiga Loyola; José F. Marco; Federico Tasca
Source: check_circle
Crossref

Insights into the electronic structure of Fe penta-coordinated complexes. Spectroscopic examination and electrochemical analysis for the oxygen reduction and oxygen evolution reactions

Journal of Materials Chemistry A
2021 | Journal article
Contributors: César Zúñiga Loyola; Gabriel Abarca; Soledad Ureta-Zañartu; Carolina Aliaga; Jose H. Zagal; Moulay Tahar Sougrati; Frédéric Jaouen; Walter Orellana; Federico Tasca
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Crossref

Oxygen reduction reaction on a 68-atom-gold cluster supported on carbon nanotubes: theoretical and experimental analysis

Materials Chemistry Frontiers
2021 | Journal article
Contributors: César Zúñiga Loyola; Angélica Gatica Caro; Joseph Govan; Gabriel Abarca; Walter Orellana; Federico Tasca
Source: check_circle
Crossref

Oxygen Reduction Reaction at Co and Fe MN5 Catalysts. Calculated and Experimental O2-Fe and O2-Co Binding Energy, Activity Indexes, Volcano Correlations

ECS Meeting Abstracts
2021-05-30 | Journal article
Contributors: Federico Tasca; Walter Orellana; Jose H Zagal
Source: check_circle
Crossref

D-π-A dye attached on TiO2(101) and TiO2(001) surfaces: Electron transfer properties from ab initio calculations

Solar Energy
2021-03 | Journal article
Part of ISSN: 0038-092X
Source: Self-asserted source
Walter Orellana

Penta-coordinated transition metal macrocycles as electrocatalysts for the oxygen reduction reaction

Journal of Solid State Electrochemistry
2021-01-23 | Journal article
Contributors: Joseph Govan; Walter Orellana; José H. Zagal; Federico Tasca
Source: check_circle
Crossref

Durability of Graphene-Supported Iron Phthalocyanine in Acidic and Basic Media: A Theoretical Study

ECS Meeting Abstracts
2020-11-23 | Journal article
Contributors: Walter Orellana; Federico Tasca
Source: check_circle
Crossref

Influence of Cyano Substituents on the Electron Density and Catalytic Activity Towards the Oxygen Reduction Reaction for Iron Phthalocyanine

ECS Meeting Abstracts
2020-11-23 | Journal article
Contributors: Federico Tasca; Joseph Govan; Gabriel Abarca; Walter Orellana; Jose H Zagal
Source: check_circle
Crossref

Inducing a level inside of CdTe bandgap doping with Sn using a co-sublimation technique by CSS

Materials Science in Semiconductor Processing
2020-03 | Journal article
Part of ISSN: 1369-8001
Source: Self-asserted source
Walter Orellana

Electronic properties and topological phases of a two-dimensional allotrope of nitrogenated carbon

Physical Review B
2020-02-10 | Journal article
Contributors: A. León; W. Orellana; E. Suárez Morell; M. Pacheco
Source: check_circle
Crossref

Oxygen Reduction Reaction at Penta-Coordinated Co Phthalocyanines

Frontiers in Chemistry
2020-01-29 | Journal article
Part of ISSN: 2296-2646
Source: Self-asserted source
Walter Orellana

In search of the most active MN4 catalyst for the oxygen reduction reaction. The case of perfluorinated Fe phthalocyanine

Journal of Materials Chemistry A
2019 | Journal article
Contributors: Gabriel Abarca; Marco Viera; Carolina Aliaga; José F. Marco; Walter Orellana; José H. Zagal; Federico Tasca
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Crossref

Symmetry and thermodynamics of tellurium vacancies in cadmium telluride

Physica B: Condensed Matter
2019-09 | Journal article
Part of ISSN: 0921-4526
Source: Self-asserted source
Walter Orellana

Self-compensation in chlorine-doped CdTe

Scientific Reports
2019-06-24 | Journal article
Contributors: Walter Orellana; Eduardo Menéndez-Proupin; Mauricio A. Flores
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Crossref

Energetics and Electronic Properties of Interstitial Chlorine in CdTe

physica status solidi (b)
2019-03 | Journal article
Contributors: Walter Orellana; Eduardo Menéndez‐Proupin; Mauricio A. Flores
Source: check_circle
Crossref

(Li6Si5)2–5: The Smallest Cluster‐Assembled Materials Based on Aromatic Si56− Rings

Chemistry – A European Journal
2019-02-18 | Journal article
Contributors: Osvaldo Yañez; Victor Garcia; Jorge Garza; Walter Orellana; Alejandro Vásquez‐Espinal; William Tiznado
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Crossref

Biomimicking vitamin B12. A Co phthalocyanine pyridine axial ligand coordinated catalyst for the oxygen reduction reaction

Electrochimica Acta
2018 | Journal article
EID:

2-s2.0-85041552087

Contributors: Riquelme, J.; Neira, K.; Marco, J.F.; Hermosilla-Ibáñez, P.; Orellana, W.; Zagal, J.H.; Tasca, F.
Source: Self-asserted source
Walter Orellana via Scopus - Elsevier

Climbing over the activity volcano correlation by biomimicking Vitamin B12: A co phthalocyanine pyridine axial ligand coordinated catalyst for the reduction of molecular oxygen

ECS Transactions
2018 | Conference paper
EID:

2-s2.0-85050111172

Contributors: Riquelme, J.; Neira, K.; Marco, J.F.; Hcrmosilla, P.; Vencgas, D.; Orellana, W.; Ponce, I.; Zagal, J.H.; Tasca, F.
Source: Self-asserted source
Walter Orellana via Scopus - Elsevier

Hydrogen storage on cation-decorated biphenylene carbon and nitrogenated holey graphene

International Journal of Hydrogen Energy
2018-12 | Journal article
Contributors: Raúl Guerrero-Avilés; Walter Orellana
Source: check_circle
Crossref

Energetics and diffusion of liquid water and hydrated ions through nanopores in graphene: ab initio molecular dynamics simulation

Physical Chemistry Chemical Physics
2017 | Journal article
Contributors: Raúl Guerrero-Avilés; Walter Orellana
Source: check_circle
Crossref
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Self-compensation in phosphorus-doped CdTe

Physical Review B
2017 | Journal article
EID:

2-s2.0-85037106117

Contributors: Flores, M.A.; Orellana, W.; Menéndez-Proupin, E.
Source: Self-asserted source
Walter Orellana via Scopus - Elsevier

Sn-doped CdTe as promising intermediate-band photovoltaic material

Journal of Physics D: Applied Physics
2017 | Journal article
EID:

2-s2.0-85012067084

Contributors: Flores, M.A.; Men�ndez-Proupin, E.; Orellana, W.; Peǹa, J.L.
Source: Self-asserted source
Walter Orellana via Scopus - Elsevier

First-principles DFT + GW study of the Te antisite in CdTe

Computational Materials Science
2016 | Journal article
EID:

2-s2.0-84986917949

Contributors: Flores, M.A.; Orellana, W.; Menéndez-Proupin, E.
Source: Self-asserted source
Walter Orellana via Scopus - Elsevier

First-principles DFT+GW study of oxygen-doped CdTe

Physical Review B
2016 | Journal article
EID:

2-s2.0-84969132808

Contributors: Flores, M.A.; Orellana, W.; Menéndez-Proupin, E.
Source: Self-asserted source
Walter Orellana via Scopus - Elsevier

Theoretical study of intrinsic defects in CdTe

Journal of Physics: Conference Series
2016 | Conference paper
EID:

2-s2.0-84979500285

Contributors: Menéndez-Proupin, E.; Orellana, W.
Source: Self-asserted source
Walter Orellana via Scopus - Elsevier

Insights into the hydrogen dissociation mechanism on lithium edge-decorated carbon rings and graphene nanoribbon

International Journal of Hydrogen Energy
2016-04 | Journal article
Contributors: Alejandro Vásquez-Espinal; Ricardo Pino-Rios; Patricio Fuentealba; Walter Orellana; William Tiznado
Source: check_circle
Crossref

Noncovalent functionalization of carbon nanotubes and graphene with tetraphenylporphyrins: stability and optical properties from ab initio calculations

Journal of Materials Science
2015 | Journal article
WOSUID:

WOS:000345407900041

Contributors: Orellana, Walter; Correa, Julian D.
Source: Self-asserted source
Walter Orellana via ResearcherID
grade
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Single- and double-wall carbon nanotubes fully covered with tetraphenylporphyrins: Stability and optoelectronic properties from ab initio calculations

Chemical Physics Letters
2015 | Journal article
WOSUID:

WOS:000359147100009

Contributors: Orellana, Walter
Source: Self-asserted source
Walter Orellana via ResearcherID
grade
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Tellurium vacancy in cadmium telluride revisited: Size effects in the electronic properties

Physica Status Solidi (B) Basic Research
2015 | Journal article
EID:

2-s2.0-84938650742

Contributors: Menéndez-Proupin, E.; Orellana, W.
Source: Self-asserted source
Walter Orellana via Scopus - Elsevier

Hydrogen-induced nanotunnel structure on the C-terminated β-SiC(0 0 1)-c(2 × 2) surface investigated by ab-initio calculations

Applied Surface Science
2015-12-01 | Journal article
Contributors: E.F. Rosso; R.J. Baierle; W. Orellana; R.H. Miwa
Source: check_circle
Crossref

Strong pi-pi interaction of porphyrins on (6,5) carbon nanotubes with full surface coverage: Ab-initio calculations

Applied Physics Letters
2014 | Journal article
WOSUID:

WOS:000341151400068

Contributors: Orellana, Walter
Source: Self-asserted source
Walter Orellana via ResearcherID
grade
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Catalytic Properties of Transition Metal-N-4 Moieties in Graphene for the Oxygen Reduction Reaction: Evidence of Spin-Dependent Mechanisms

Journal of Physical Chemistry C
2013 | Journal article
WOSUID:

WOS:000319649100031

Contributors: Orellana, Walter
Source: Self-asserted source
Walter Orellana via ResearcherID
grade
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Light-harvesting efficiency of a (6,5) carbon nanotube functionalized with a free-base tetraphenylporphyrin: Density functional theory calculations

Journal of Applied Physics
2013 | Journal article
WOSUID:

WOS:000319292800380

Contributors: Correa, J. D.; Orellana, W.
Source: Self-asserted source
Walter Orellana via ResearcherID
grade
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Metal-phthalocyanine functionalized carbon nanotubes as catalyst for the oxygen reduction reaction: A theoretical study

Chemical Physics Letters
2012 | Journal article
WOSUID:

WOS:000305802800016

Contributors: Orellana, Walter
Source: Self-asserted source
Walter Orellana via ResearcherID
grade
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Optical response of carbon nanotubes functionalized with (free-base, Zn) porphyrins, and phthalocyanines: A DFT study

Physical Review B
2012 | Journal article
WOSUID:

WOS:000308528400011

Contributors: Correa, J. D.; Orellana, W.
Source: Self-asserted source
Walter Orellana via ResearcherID
grade
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Catalytic activity toward oxygen reduction of transition metal porphyrins covalently linked to single-walled carbon nanotubes: A density functional study

Physical Review B
2011 | Journal article
WOSUID:

WOS:000295796700005

Contributors: Orellana, Walter
Source: Self-asserted source
Walter Orellana via ResearcherID
grade
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First-principles calculations of the thermal stability of Ti3SiC2(0001) surfaces

Surface Science
2011 | Journal article
WOSUID:

WOS:000296175100025

Contributors: Orellana, Walter; Gutierrez, Gonzalo
Source: Self-asserted source
Walter Orellana via ResearcherID
grade
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Approximate quantum mechanical method for describing excitations and related properties of finite single-walled carbon nanotubes

Physical Review B
2010 | Journal article
WOSUID:

WOS:000278482800002

Contributors: Montero-Alejo, A. L.; Fuentes, M. E.; Menendez-Proupin, E.; Orellana, W.; Bunge, C. F.; Montero, L. A.; Garcia de la Vega, J. M.
Source: Self-asserted source
Walter Orellana via ResearcherID
grade
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Electron transition energies of single-walled carbon nanotubes: Hartree - Fock's CNDOL approaches for describing excitations and related properties

Nanotechnology 2010: Electronics, Devices, Fabrication, MEMS, Fluidics and Computational - Technical Proceedings of the 2010 NSTI Nanotechnology Conference and Expo, NSTI-Nanotech 2010
2010 | Conference paper
EID:

2-s2.0-78049445000

Contributors: Montero, A.L.; Fuentes, M.E.; Menéndez, E.; Orellana, W.; Bunge, C.; Montero, L.A.; De La Vega, J.M.G.
Source: Self-asserted source
Walter Orellana via Scopus - Elsevier

Iron porphyrin attached to single-walled carbon nanotubes: Electronic and dynamical properties from ab initio calculations

Physical Review B
2010 | Journal article
WOSUID:

WOS:000281643200011

Contributors: Ruiz-Tagle, Igor; Orellana, Walter
Source: Self-asserted source
Walter Orellana via ResearcherID
grade
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Reaction and incorporation of H-2 molecules inside single-wall carbon nanotubes through multivacancy defects

Physical Review B
2009 | Journal article
WOSUID:

WOS:000269638900093

Contributors: Orellana, Walter
Source: Self-asserted source
Walter Orellana via ResearcherID
grade
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