Dr. Jorge Peón Peralta


Department of Physical Chemistry

Address: Circuito Exterior s/n, Ciudad Universitaria. District Coyoacán. ZIP Code 04510 Mexico City. Mexico

Telephone: (+52) (55) 56-22-45-08
Fax: (+52) (55) 56-16-22-17





Dr. Jorge Peon obtained his bachelor’s degree in Chemistry from the National Autonomous University of México, and his Ph.D. in Physical Chemistry from The Ohio State University, USA. He also made postdoctoral studies at the California Institute of Technology USA. He joined the Institute of Chemistry of the National University of Mexico in 2003.


Studies of the dynamics of electronically excited states of molecules, including ionization phenomena, internal conversion, energy transfer, electron transfer, proton transfer, and photochemical transformations.


Graduated students: 8 BSc, 7 MSc, and 4 PhD.

Students interested in Dr. Peon's supervision for thesis (graduate and undergraduate), social work, research summer or professional practices are welcomed.


He has been an invited speaker at several international conferences, includingUltra-fast and Ultra-small: New Frontiers in AMO Physics”, “Femtochemistry 10”, and the International Conference on Photochemistry 2011”.



  • Bichromophoric Sensors for Ratiometric Measurements of Molecular Microenvironments through the Interplay of Charge Transfer and Energy Transfer Channels. Andres Arroyo-Pieck, Daniela Araiza-Olivera, and Jorge Peon. ChemPlusChem 2018, 83, 1097–1108. DOI: 10.1002/cplu.201800333
  • Ultrafast Photoluminescence Kinetics from Hot Excitonic States in CdSe Nanocrystals. Rafael López-Arteaga and Jorge Peon. J. Phys. Chem. C 2018, 122, 26698−26706. DOI: 10.1021/acs.jpcc.8b07257
  • Origin of Photoinduced Geometrical Change of Copper (I) Complexes from the Quantum Chemical Topology View. Luis Gutierrez-Arzaluz, David Ignacio Ramírez-Palma, Lillian G Ramírez-Palma, José Enrique Barquera-Lozada, Jorge Peón, and Fernando Cortes-Guzman. Chem. Eur. J. DOI: 10.1002/chem.201804596
  • Fluorophore Release from a Polymethinic Photoremovable Protecting Group Through a Nonlinear Optical Process. Jesús Rodríguez-Romero, Cesar A. Guarín, Andrés Arroyo-Pieck, Luis Gutiérrez-Arzaluz, Rafael López-Arteaga, Pedro Navarro, and Jorge Peón. ChemPhotoChem, 2017, 1, 397-407. DOI: 10.1002/cptc.201700076
  • Nitrated Fluorophore Formation upon Two-Photon Excitation of an Azide with Extended Conjugation. Luis Gutiérrez-Arzaluz, Rafael López-Arteaga, Fernando Cortés-Guzmán, and Jorge Peón. J. Phys. Chem. B, 2017, 121, 9910-9919. DOI: 10.1021/acs.jpcb.7b09446
  • Transient IR Spectroscopic Observation of Singlet and Triplet Statesof 2Nitrofluorene: Revisiting the Photophysics of Nitroaromatics. Martin A.B. Larsen, Jan Thøgersen, Anne B. Stephansen, Jorge Peon, Theis I. Sølling and Søren R. Keiding. Enviado. J. Phys. Chem. A, 2016, 120 (1), pp 28–35 DOI: 10.1021/acs.jpca.5b09125
  • Ultrafast excited state hydrogen atom transfer in salicylideneaniline driven by changes in aromaticity. Luís Gutiérrez-Arzaluz, Fernando Cortés-Guzmán, Tomás Rocha-Rinza, and Jorge Peon. Phys. Chem. Chem. Phys. DOI: 10.1039/c5cp03699b. 2015. 
  • Ultrafast Fluorescence Study of the Effect of Carboxylic and Carboxylate Substituents on the Excited State Properties of Anthracene. William Rodríguez-Córdoba, Raquel Noria-Moreno, Pedro Navarro and Jorge Peon. Journal of Luminescence. 2013. DOI:10.1016/j.jlumin.2013.08.046
  • Dynamics of the Formation of a Charge Transfer State in 1, 2-bis (9-anthryl) acetylene in Polar Solvents: Symmetry Reduction with the Participation of an Intramolecular Torsional Coordinate. Luís Gutiérrez-Arzaluz, César Augusto Guarín-Duran, William Rodriguez-Córdoba, and Jorge Peon. Journal of Physical Chemistry B. 2013. DOI: 10.1021/jp4038705
  • The influence of push-pull states on the ultrafast intersystem crossing in nitroaromatics. Rafael López Arteaga, Anne Stephansen, César Augusto Guarín-Duran Theis Solling, and Jorge Peon. J. Phys. Chem. B, 2013, 117 (34), pp 9947–9955 DOI: 10.1021/jp403602v
  • Dynamics of the Upper Excited States of Cyanine Dyes. An Ultrafast Fluorescence Study. Cesar A. Guarin-Duran, Juan. P. Villabona-Monsalve, Rafael Lopez, and Jorge Peón. J. Phys. Chem. B, 2013, 117 (24), pp 7352–7362 DOI: 10.1021/jp400278t
  • Ultrafast Excited State Dynamics of Allopurinol, a Modified DNA Base. Juan P. Villabona-Monsalve, Rosa E. Islas, William Rodríguez-Córdoba, Spiridoula Matsika, and Jorge Peon. J. Phys. Chem. A, 2013, 117 (5), pp 898–904 DOI: 10.1021/jp3107815
  • Photophysics of a Cis Axially Disubstituted Macrocycle: Rapid Intersystem Crossing in a TinIV Phthalocyanine with a Half-Domed Geometry. Elizabeth Gutiérrez-Meza, Raquel Noria, Gilma Granados, Virginia Gómez-Vidales, José Zeferino Ramírez, Hirám Isaac Beltrán, and Jorge Peon. J. Phys. Chem. B, 2012, 116 (48), pp 14107–14114 DOI: 10.1021/jp3078453
  • Theoretical study of the absorption and nonradiative deactivation of 1-nitronaphthalene in the low-lying singlet and triplet excited states including methanol and ethanol solvent effects. Yoelvis Orozco-Gonzalez, Kaline Coutinho, Jorge Peon, and Sylvio Canuto. The Journal of Chemical Physics 137, 054307 (2012); DOI: 10.1063/1.4738757
  • On the Accessibility to Conical Intersections in Purines: Hypoxanthine and its Singly Protonated and Deprotonated Forms. Juan Villabona-Monsalve, Raquel Noria, Spiridoula Matsika, Jorge Peon. J. Am. Chem. Soc., 2012, 134 (18), pp 7820–7829 DOI: 10.1021/ja300546x
  • Photoinduced Energy Transfer in Bichromophoric Pyrene-PPV Oligomer Systems: The Role of Flexible Donor-Acceptor Bridges. William Rodríguez-Córdoba, Cesar A. Sierra, Cristian Ochoa Puentes, Paul Lahti, Jorge Peon*. J. Phys. Chem. B, 2012, 116 (11), pp 3490–3503 DOI: 10.1021/jp208602q
  • The Role of Upper Triplet States on the Photophysics of Nitrated Polyaromatic Compounds: The S1 Lifetimes of Singly Nitrated Pyrenes. Eddy F. Plaza-Medina, William Rodríguez-Córdoba, and Jorge Peon. J. Phys. Chem. A, 2011, 115 (35), pp 9782–9789 DOI: 10.1021/jp204321h

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