Dr. Gabriel Ramos-Ortiz

He received a BSc degree in Physics from the Universidad Nacional Autónoma de México (1996), and his M.S. and Ph.D. degrees from the University of Arizona in 2000 and 2003, respectively. Appointed as research associate at the University of Arizona, he worked in his doctoral dissertation in topics related to the optics of polymers and organic molecules. In 2004 he became a researcher at the Photonics Department of the Centro de Investigaciones en Óptica (CIO). He has published 120 scientific articles in indexed international journals.

Research Interests:

• His current interests include in general organic electronics and non-linear optics, including biophotonics. Spectroscopy and ultrafast Optics.

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Recent publications:

p>2024

• F. Triana-Arango, R. Ramirez-Alarcon, G. Ramos-Ortiz, Entangled two-photon absorption in transmission-based experiments: deleterious effects from linear optical losses, The Journal of Physical Chemistry 128, 2210 (2024).
• A. Alvarez-Quesada, J. E Báez, J O. Jiménez-Halla, G. Ramos-Ortiz, G. González-García, Difluoroboron Complexes Based on Benzimidazole–Phenolates as Blue Emitters, Inorg. Chem. 63, 15, 6649–6659 (2024).
• HM Reynoso-de la Cruz, ED Hernández-Campos, E Ortiz-Ricardo, A Martínez-Borquez, I Rosas-Román, V Contreras, G Ramos-Ortiz, B Mendoza-Santoyo, Cecilia I Zurita-Lopez, R Castro-Beltrán, Acoustically levitated whispering-gallery mode microlasers, Optics & Laser Technology 171 (2024) 110352.

2023

• E Ferreira, G Ramos-Ortiz, A Vazquez, M Trejo-Durán, Third-Order Nonlinear Optical Properties of Choline Chloride Based Deep Eutectic Solvents: Theoretical and Experimental Studies, Journal of Molecular Liquids 384 (2023), 122253.
• F. Triana-Arango, G. Ramos-Ortiz, R. Ramirez-Alarcon, R. Castro-Beltran, Spectral Considerations of Entangled Two-Photon Absorption Effects in HongOuMandel Interference Experiments, The Journal of Physical Chemistry A 28, (2023), e202201692.
• H. M. Reynoso-De La Cruz, I. Rosas-Roman, G. Ramos-Ortiz, B. Mendoza-Santoyo, E. Ortiz- Ricardo, G.Gutierrez-Juarez, R. Castro-Beltran, Studies of transition between amplified pontaneous emission and optical lasing in ultrahigh-Q polymeric micro-pedestals, Optics Express 31 (2023) 9018-9033.
• V. Alvarez-Venicio, R. Castro-Beltrán, G. Ramos-Ortiz, M. Rodríguez, J.E. Alba-Rosales, G. Gutierrez-Juárez, R. Santillán, M.E. Ochoa, L.L. Flores-Villavicencio, M. Sabanero-Lóopez, Red fluorescent benzothiadiazole derivative loaded in different nanoformulations: Optical properties and their use in bio-imaging, Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 290 (2023) 122250.
• M. Kurva, M. Á. Claudio-Catalán, Á. Rentería-Gómez , J. O. C. Jiménez-Halla , G. González- García, J. Velusamyc , G. Ramos-Ortíz, K. Castaño-González, V. Piazza , Rocío Gámez-Montaño, Multicomponent one-pot synthesis of luminescent imidazo [1,2-a]pyridine-3-amines. Studies of fluorescence, solvatochromism, TD-DFT calculations and bioimaging application, Journal of Molecular Structure 1276 (2023) 134797.
• E. Cetina-Mancilla, G.A. Reyes-García, M. Rodríguez-Molina, M. G. Zolotukhin, E. Vivaldo-Lima, M. O. Gonzalez-Díaz, G. Ramos-Ortiz, Room temperature, simple and efficient synthesis and functionalization of aromatic poly(arylene sulfide)s, poly(arylene sulfoxide)s and poly (arylene sulfone)s, European Polymer Journal 184, (2023) 111800.

2022

• Jayaramakrishnan Velusamy, Gabriel Ramos-Ortiz, Na-doped carbon nanodots: shed light on the concentration modulated photoluminescence and two-photon absorption performance, Colloids and Surfaces A: Physicochemical and Engineering Aspects 634 (2022) 127993.
• Freiman Triana-Arango, Gabriel Ramos-Ortiz, Roberto Ramírez-Alarcón, Entangled two-photon absorption detection through a Hong-Ou-Mandel interferometer, arXiv preprint arXiv:2202.05985 (2022).
• J. Rodríguez-Rea, M. Güizado-Rodríguez, J.-L. Maldonado, G. Ramos- Ortiz, J. U. Reveles, Carlos Silva, V. Barba, E. M. Saucedo-Salazar, M. T. Rodríguez-Hernández, Development of diketopyrrolopyrrole-based donor-acceptor oligomers using direct arylation polymerization: Non-linear and ultrafast optical analysis, and their application in ternary organic solar cells, Optical Materials 134 (2022) 113167.
• L. Loaeza, V. Maraval, A. Saquet, G. Ramos-Ortiz, R. Chauvin, N. Farfán, Strong absorber vs. strong emitter in extended π-conjugated systems: a carbo-benzene–benzothiadiazole chromophore, New Journal of Chemistry 46 (2022) 6494-6501.
• J. Rodríguez-Rea, M. Güizado-Rodríguez, J.-L. Maldonado, G. Ramos-Ortiz, J. U.Reveles, C. Silva, V. Barba, E. M. Saucedo-Salazar.María T. Rodríguez-Hernández, Synthesis of Donor–Acceptor Copolymers Derived from Diketopyrrolopyrrole and Fluorene via Eco-Friendly Direct Arylation: Nonlinear Optical Properties, Transient Absorption Spectroscopy, and Theoretical Modeling, Energies 2022, 15, 3855.
• Y. Juarez-Martinez, P. Labra-Vázquez, A. Enríquez-Cabrera, A. F. Leon-Rojas, D. Martínez- Bourget, P. G. Lacroix, M. Tassé, S. Mallet-Ladeira, N. Farfán, R. Santillan, G. Ramos-Ortiz, I. Malfant, J.-P. Malval, Bimetallic Ruthenium Nitrosyl Complexes with Enhanced Two‐Photon Absorption Properties for Nitric Oxide Delivery, Chemistry–A European Journal 2022, 28, e202201692.
• Pascal G. Lacroix, Isabelle Malfant, Pablo Labra-Vázquez, Norberto Farfan, Gabriel Ramos-Ortiz, Two-photon absorption-based delivery of nitric oxide from ruthenium nitrosyl complexes, Dalton Transactions, Dalton Trans., 2022, 51, 14833–14841.

2021

• R. M Barba-Barba, M. Chammam, G. Ramos-Ortiz, D,i Listunov, J. Velusamy, M. Rodriguez, R.Carriles, C. Silva, C. Duhayon, B. Kauffmann, V. Maraval, R. Chauvin, Linear and nonlinear optical properties of a quadrupolar carbo-benzene and its benzenic parent: The carbo-merization effect, Dyes and Pigments 188 (2021) 109133
• V. Bukhanko, A. F. León‐Rojas, P. G Lacroix, M. Tassé, G. Ramos‐Ortiz, R. M Barba‐Barba, N. Farfán, R. Santillan, I. Malfant, Two‐Photon Absorption Properties in “Push‐Pull” Ruthenium Nitrosyl Complexes with various Fluorenylterpyridine‐Based Ligands, European Journal of Inorganic Chemistry, 2021 (17) 1670-1684.
• I. Caballero-Quintana, J. Rivera-Taco, C. Barthes, J. Nicasio-Collazo, G. Ramos-Ortíz, J.-L. Maldonado, V. Maraval, R. Chauvin, Nano-films of carbo-benzene derivatives: Scanning probe microscopy analysis and prospects of use in organic solar cells, Synthetic Metals 278, 116826 (2021).

2020

• Daniel López-Cabrera, Gabriel Ramos-Ortiz, Edmundo González-Santillán, Rafael Espinosa-Luna, Remi Chauvin, Characterization of the fluorescence intensity and color tonality in the exoskeleton of scorpions, Journal of Photochemistry & Photobiology, B: Biology 209 (2020) 111945.
• Dymytrii Listunov, Ole Hammerich, Irving Caballero-Quintana, Albert Poater, Cécile Barthes, Carine Duhayon, Mie Højer Larsen, José-Luis Maldonado, Gabriel Ramos-Ortiz, Mogens Brøndsted Nielsen, Valérie Maraval, Remi Chauvin, Core carbo‐mer of an extended tetrathiafulvalene: redox‐controlled reversible conversion to a carbo‐benzenic dication, Chemistry–A European Journal 26 (47), 10707-10711 (2020).
• Margarita Romero Ávila, Andrés Felipe León-Rojas, Pascal G. Lacroix, Isabelle Malfant, Norberto Farfán, Rana Mhanna, Rosa Santillan, Gabriel Ramos-Ortiz, and Jean-Pierre Malval, Two-Photon-Triggered NO Release via a Ruthenium−Nitrosyl Complex with a Star-Shaped Architecture, J. Phys. Chem. Lett. 2020, 11, 6487−6491.
• Valdez-Calderón Alejandro, Farfán-Paredes Mónica, Araujo-Padilla Xelha, Rodríguez Mario, Ramos-Ortiz Gabriel, Farfán Norberto, Ramón-Gallegos Eva, Brominated bodipys as potential photosensitizers for photodynamic therapy using low irradiance excitation, POLYHEDRON Volume 176, 15 January 2020, 114207 (2020).
• LA Lozano-Hernández, JL Maldonado, O Hernández-Cruz, J Nicasio-Collazo, M Rodríguez, O Barbosa- García, G Ramos-Ortíz, MG Zolotukhin, U Scherf, Structurally simple OLEDs based on a new fluorinated poly (oxindolylidenearylene), Dyes and Pigments 173, 107989 (2020).
• Karla Karina Guzmán-Rabadán, Marisol Güizado-Rodríguez, Victor Barba, Mario Rodríguez, Jayaramakrishnan Velusamy, Gabriel Ramos-Ortiz, Synthesis of fluorene-thiophene-benzothiadiazole (D- π-A) molecules by direct arylation reactions: Formation of nanoparticles and their fluorescence study by one-and two-photon absorption, Optical Materials 101, 109758 (2020).
• Victor A Camarena-Chávez, R Castro-Beltrán, Orlando M Medina-Cázares, Jonathan U Álvarez-Martínez, G Ramos-Ortíz, G Gutiérrez-Juárez, Implementation and assessment of a low-cost 3D laser platform controlled by open software for printing polymeric micro-structures, Journal of Micromechanics and Microengineering 30 (3), 035010 (2020).

2019

• CA Rosas-Casarez, SP Arredondo-Rea, G Ramos-Ortiz, R Corral-Higuera, A Cruz-Enríquez, JM Gómez-Soberón, Jayaramakrishnan Velusamy, RA Zárraga-Núñez, JJ Campos-Gaxiola, Excitation-dependent photoluminescent properties in geopolymers with addition of Eu2+ Dy3+ co-doped strontium silicoaluminate, Materials Letters 250, 170-173 (2020).
• Siraj Sidhik, Jayaramakrishnan Velusamy, Elder De la Rosa, Sergio Alfonso Pérez-García, Gabriel Ramos- Ortiz, Tzarara López-Luke, Role of carbon nanodots in defect passivation and photo-sensitization of mesoscopic-TiO2 for application in perovskite solar cells, Carbon 146, 388-398 (2020).
• Marwa Chammam, Irving Caballero‐Quintana, Denisse Barreiro‐Argüelles, Olivia Amargós‐Reyes, Youssef Aidibi, Brice Kauffmann, Carine Duhayon, José‐Luis Maldonado, Gabriel Ramos‐Ortíz, Valérie Maraval, Remi Chauvin, Expanding the carbo‐Benzene Chemical Space for Electron‐Accepting Ability: Trifluorotolyl/Tertiobutyl Substitution Balance, Helvetica Chimica Acta 102 (5), e1900049 (2019).

2018

• J. Velusamy, G. Ramos-Ortiz, M. Rodríguez, O. Hernández-Cruz, A. Ponce, Prominence of fusion temperature and engineering heteroatoms on multifarious emissive shifts in carbon dots, Journal of Colloid and Interface Science 528, 237–247 (2018).
• D. Barreiro-Argüelles, G. Ramos-Ortiz, J.-L. Maldonado, E. Pérez-Gutiérrez, D. Romero-Borja , M. Meneses-Nava, J. C. Nolasco, Stability study in organic solar cells based on PTB7:PC71BM and the scaling effect of the active layer, Solar Energy 163, 510-518 (2018).
• J. E. Alba-Rosales, G. Ramos-Ortiz, L. F. Escamilla-Herrera, B. Reyes-Ramırez, Polo-Parada, and G. Gutierrez-Juarez, Effects of optical attenuation, heat diffusion, and acoustic coherence in photoacoustic signals produced by nanoparticles, Applied Physics Letters 112, 143101 (2018).
• M. Roose, I. Sasaki, V. Bukhanko, S. Mallet-Ladeira, R. M. Barba-Barba, G. Ramos-Ortiz, A. Enriquez-Cabrera, N. Farfán, P. G. Lacroix, I. Malfant, Nitric oxide photo-release from a ruthenium nitrosyl complex with a 4,4’-bisfluorenyl-2,2’-bipyridine ligand, Polyhedron 151, 100–111 (2018).
• A. Enriquez-Cabrera, P. G. Lacroix, I. Sasaki, S. Malet-Ladeira, N. Farfan, R. M. Barba-Barba, G. Ramos-Ortiz, I. Malfant, Comparison of carbazole and fluorene donating effects on the two-photon absorption and nitric oxide photo-release capabilities in a ruthenium-nitrosyl complex, Eur. J. Inorg. Chem. 531–543 (2018).
• A. Enríquez-Cabrera, A. Vega-Peñaloza, V. Alvarez-Venicio, M. Romero-Avila, P. G. Lacroix, G. Ramos-Ortiz, R. Santillan,N. Farfan, Two-photon absorption properties of four new pentacoordinated diorganotin complexes derived from Schiff bases with fluorine, Journal of Organometallic Chemistry 855, 51-58 (2018)
• P. J. Reynoso-García, M. Güizado-Rodríguez ,Victor Barba , G. Ramos-Ortiz, H. Martínez-Gutiérrez, Stabilization of Silver Nanoparticles with a Dithiocarbamate Ligand and Formation of Nanocomposites by Combination with Polythiophene Derivative Nanoparticles, Advances in Condensed Matter Physics Volume 2018, Article ID 4376051.
• J. E. Alba-Rosales, G. Ramos-Ortiz, G. Martínez-Ponce, R. Castro-Beltrán, Polo-Parada, and G. Gutierrez-Juarez, Dual photoacoustic monitoring in laser ablation synthesis of silver nanoparticles to find in situ their fluence threshold formation, Results in Physics 11, 350-357 (2018).

2017

• D. Barreiro-Arguelles, G. Ramos-Ortiz, Jose-Luis Maldonado, E. Pérez-Gutiérrez. Romero-Borja, A. Alvarez-Fernandez, PTB7:PC71BM-Based Solar Cells Fabricated With the Eutectic Alloy Field’s Metal as an Alternative Cathode and the Influence of an Electron Extraction Layer, IEEE JOURNAL OF PHOTOVOLTAICS, VOL. 7, NO. 1, 191-197 (2017)
• C. Zhu, C. Duhayon, D. Romero-Borja, J.-L. Maldonado, G. Ramos-Ortíz, A. Saquet, V. Maraval, R.Chauvin, Hexaaryl-carbo-benzenes revisited: a novel synthetic route, crystallographic data, and prospects of electrochemical behavior, New Journal of Chemistry, 41, 3908-3914 (2017)
• U. M.V. Basavanag, A. Islas-Jácome, A. Rentería-Gómez, A. S Conejo, M. Kurva, J.O. C Jiménez-Halla, J. Velusamy, G. Ramos-Ortíz, Rocío Gámez-Montaño, Synthesis of 2-julolidin-imidazo [1, 2-a] pyridines via Groebke–Blackburn–Bienaymé reaction and studies of optical properties, New Journal of Chemistry, 41, 3450-3459 (2017)
• K. M. Salas-Alcántara, L. Aparicio-Ixta, I. Torres-Gómez, M. Rodríguez, G. Ramos-Ortiz, R. Espinoza-Luna, J. L. Pichardo-Molina, Modal interferometer based on a single mechanically induced long-period fiber grating and a nanoparticles-coated film section, Optics Letters 42, 1780-1783 (2017)
• A. Enriquez-Cabrera, I. Sasaki, V. Bukhanko, M. Tasse, S. Mallet-Ladeira, P. G. Lacroix, R. M. Barba-Barba,G. Ramos-Ortiz, N. Farfan, Z. Voitenko, I. Malfant, Replacing Two Chlorido Ligands by a Bipyridine Ligand in Ruthenium Nitrosyl Complexes with NO-Release Capabilities: A Comparative Study, Eur. J. Inorg. Chem. 2017, 1446–1456
• M. Antonio Ramírez-Gómez, K. K. Guzmán-Rabadán, E. González-Juárez, M. Güizado-Rodríguez, G. Ramos-Ortiz, J. Enrique Alba-Rosales, Huehueteotl Panzo-Medrano, V. Barba, M. Rodríguez, J.L. Maldonado, M. Á. Basurto-Pensado, Physicochemical and Luminescent Properties of Copolymers Composed of Three Monomers: Polythiophenes Based on 3-Hexylthiophene and 3,4-Ethylenedioxythiophene, International Journal of Polymer Science Volume 2017, Article ID 1918602

2016

• Chapter Book. “Organic Nanomaterials with Two-Photon Absorption Properties for Biomedical Applications” Laura Aparicio-Ixta, Mario Rodriguez, Gabriel Ramos-Ortiz. Contemporary Optoelectronics (Materials, Metamaterials and Device Applications), Springer Netherlands, Chapter 2 pages 25-50, O. Shulika, I. Sukhoivanov (Eds.), ISBN 978-94-017-7315-7 (2016).
• Laura Aparicio-Ixta, J. E. Alba-Rosales, Gabriel Ramos-Ortiz, Mario Rodríguez, Juan L. Pichardo-Molina, Gerardo Gutierrez-Juarez, Myrna Sabanero-Lopez, Liss Flores Villavicencio, Rosa Santillan. Two-photon imaging of a cellular line using organic fluorescent nanoparticles synthesized by laser ablation, Particle Journal (&. Part. Syst. Charact.) 33, 101-109 (2016).
• Arturo Jiménez-Sánchez, Itzel Isunza-Manrique, Gabriel Ramos-Ortiz, Jesus Rodríguez-Romero, Norberto Farfan, Rosa Santillan. Strong Dipolar Effects on an Octupolar Luminiscent Chromophore: Implications on Their Linear and Nonlinear Optical Properties, The Journal of Physical Chemistry Part A, 120, 4314−4324 (2016)
• D. Peralta-Domínguez, M. Rodriguez, G. Ramos-Ortiz, J. L. Maldonado, D. Luna-Moreno, M. Ortiz-Gutierrez, V. Barba, A Schiff base derivative used as sensor of copper through colorimetric and surface plasmon resonance techniques, Sensors and Actuators B 225, 221–227 (2016)
• Bin Chen, Guangxue Feng, Bairong He, Chiching Goh, Gabriel Ramos-Ortiz, Laura Aparicio-Ixta, Jian Zhou, Laiguan Ng, Zujin Zhao, Bin Liu, and Ben Zhong Tang Silole-based Red Fluorescent Organic Dots for Bright Two-Photon Fluorescence in vitro Cell and in vivo Blood Vessel Imaging, Small 12, 782-792 (2016).
• S. Romero-Servin, A. Lozano-Hernández, J.-L. Maldonado, R. Carriles, G. Ramos-Ortíz, E. Perez-Guitierrez, U.Scherf, M.l Zolothukin, Light emission properties of a cross-conjugated fluorine polymer: demonstration of its use in electro-luminescence and lasing devices, Polymers 8, 2 (43) (2016).
• E González-Juárez, M Güizado-Rodríguez, V Barba, M Melgoza-Ramírez, M Rodríguez, G Ramos-Ortíz, JL Maldonado, Polythiophenes based on pyrene as pendant group: Synthesis, structural characterization and luminescent properties, Journal of Molecular Structure 1103, 25-34 (2016)

2015

• S. Romero-Servin, M. de Anda Villa, R. Carriles, G. Ramos-Ortíz, J L Maldonado, M. Rodríguez, M. Güizado-Rodríguez. Photophysical study in polymer-based solar cells with an organo-boron molecule in the active layer. Materials, 8 (2015) 4258-4272.
• D. Peralta-Domínguez, M. Rodríguez, G. Ramos-Ortíz, J L Maldonado, M. A. Meneses-Nava, O. Barbosa-García, R. Santillan, N. Farfan. A Schiff base derivative from cinnamaldehyde for colorimetric detection of Ni2+ in water. Sensors and Actuators B 207 (2015) 511–517
• Bagla, M Anda-Villa, R. M. Barba-Barba, C. Poidevin, G. Ramos-Ortíz, Valérie Maraval, Christine Lepetit, Nathalie Saffon-Merceron, José-Luis Maldonado, Remi Chauvin. Difluorenyl-carbo-benzenes, hydrocarbon quadrupolar chromophores: synthesis, electronic structure, and two-photon absorption properties. Chemistry - A European Journal (aceptado 2015)
• J.L. Maldonado, V.M. Herrera-Ambriz, M. Rodríguez, G. Ramos-Ortíz, M.A. Meneses-Nava, O. Barbosa-García, R. Santillan, N. Farfán. Reversible Holography and Optical Phase Conjugation for Image Formation/Correction Using Highly Efficient Organic Photorefractive Polymers. Journal of Applied Research and Technology (aceptado 2015).
• M. Zolotukhin, S. Fomine, F. A. Ruiz-Treviño, G Ramos-Ortiz, JL Maldonado, O. Cruz, L. Alexandrova, C Aguilar, G. Pliego. High-Tg, functional aromatic polymers. Macromolecules 48 (2015) 1026-1037.
• R.M. A.de la Garza Rubí, M. Güizado-Rodríguez, D. Mayorga-Cruz, M. Á. Basurto-Pensado, J. A. Guerrero-Álvarez, G. Ramos-Ortiz, M. Rodríguez, J L Maldonado. Polythiophene Derivative Functionalized with Disperse Red 1 Chromophore: its Third Order Nonlinear Properties Through Z-scan Technique Under Continuous and Femtosecond Irradiation. Optical Materials 46 (2015), 366-372
• A.R. Gutiérrez, R.A. Vázquez, I. Moggio, E. Arias , O. Coreño, J.L. Maldonado, G. Ramos-Ortíz, O. Rodríguez, R.M. Jiménez-Barrera. Mechanosynthesis of a phenylenedivinylidenebisquinoline. Optical, morphological and electroluminescence properties. Journal of Molecular Structure 1086 (2015) 138–145
• M. Chávez-Castillo, A. Ledesma-Juárez, M. Güizado-Rodríguez, J. Castrellón-Uribe, Gabriel Ramos-Ortiz, M. Rodríguez, J.-L. Maldonado, J.-A. Guerrero-Álvarez, V. Barba. Third-Order Nonlinear Optical Behavior of Novel Polythiophene Derivatives Functionalized with Disperse Red 19 Chromophore. International Journal of Polymer Science (2015), Article ID 219361

2014

• J.A. Del-Oso, J L Maldonado, G. Ramos-Ortíz, M. Rodríguez, M. Güizado-Rodríguez, J. Escalante, B. A. Frontana-Uribe, E. Pérez-Gutiérrez, R. Santillan. New polythiophene derivatives and enhanced photovoltaic effect by a boron compound blended with them in OPVs cells. Synthetic Metals 196 (2014) 83–91
• E. Pérez-Gutiérrez, J.L. Maldonado, J. Nolasco, G. Ramos-Ortíz, M. Rodríguez, U. Mendoza-De la Torre, M.A. Meneses-Nava, O. Barbosa-García, H. García-Ortega, N. Farfán, G. Granados, R.Santillan, E. Juaristi. Titanium oxide:fullerene composite films as electron collector layer in organic solar cells and the use of an easy-deposition cathode analysis. Optical Materials 36, 1336–1341 (2014).
• Jiménez-Sánchez, M. Rodríguez, R. Métivier, G. Ramos-Ortíz, J. L Maldonado, Netzahualcoyotl Réboles, N. Farfán, Keitaro Nakatani, R. Santillan. Synthesis and crystal structures of a series of Schiff bases: a photo-, solvato-and acidochromic compound. New Journal of Chemistry 38, 730 (2014).
• J. C. Nolasco, G. Ramos-Ortiz, J.L. Maldonado, O. Barbosa-Garcia, B Ecker, E. Von Hauff.Polymer/Cathode interface region limiting the Voc in organic bulk heterojunction solar cells: a quantitative analysis. Appl. Phys. Lett 104, 043308 (2014).
• Oleksiy V. Shulik, Igor A. Sukhoivanov, Gabriel Ramos-Ortiz, Igor V. Guryev, Sergii O. Iakushev, and José Amparo Andrade Lucio. Characterization of all-normal-dispersion microstructured optical fiber via numerical simulation of passive nonlinear pulse reshaping and single-pulse flat-top supercontinuum. Journal of Nanophotonics 8, 083890-2 (2014).
• Zujin Zhao , Bin Chen , Junlong Geng , Zhengfeng Chang , Laura Aparicio-Ixta , Han Nie , Chi Ching Goh , Lai Guan Ng , Anjun Qin , Gabriel Ramos-Ortiz , Bin Liu , and Ben Zhong Tang. Red Emissive Biocompatible Nanoparticles from Tetraphenylethene- Decorated BODIPY Luminogens for Two-Photon Excited Fluorescence Cellular Imaging and Mouse Brain Blood Vascular Visualization. Particle &. Part. Syst. Charact. (en impresión), DOI: 10.1002/ppsc.201300223.
• Cristina C Jiménez, Norberto Farfán, Margarita Romero Ávila, Mario Rodríguez, Laura Aparicio-Ixta, Gabriel Ramos-Ortiz, José Luis Maldonado, Rosa Santillan, Nancy E Magaña-Vergara, Ma Eugenia Ochoa. Synthesis and chemical-optical characterization of novel two-photon fluorescent borinates derived from Schiff bases . Journal of Organometallic Chemistry 755, 33 (2014).

2013

• E. Alba-Rosales, G. Ramos-Ortiz, M. Rodríguez, L. Polo-Parada and G. Gutiérrez-Juárez. In Situ Characterization of Laser Ablation by Pulsed Photoacoustic: The Case of Organic Nanocrystal Synthesis. International Journal of Thermophysics, 34, 1828–1837 (2013).
• Jesús Rodríguez–Romero, Laura Aparicio–Ixta, Mario Rodríguez, Gabriel Ramos–Ortíz, José Luis Maldonado, Arturo Jiménez–Sánchez, Norberto Farfán, Rosa Santillan.Synthesis, chemical–optical characterization and solvent interaction effect of novel fluorene–chromophores with D–A–D structure. Dyes and Pigments 98, 31-41 (2013).
• Rodrigo Chan-Navarro, Víctor M Jiménez-Pérez, Blanca M Muñoz-Flores, HV Dias, Ivana Moggio, Eduardo Arias, Gabriel Ramos-Ortíz, Rosa Santillan, Concepción García, Maria Eugenia Ochoa, Muhammed Yousufuddin, Noemi Waksman. Luminescent organoboron compounds derived from salicylidenebenzohydrazide: Synthesis, characterization, structure, and photophysical properties. Dyes and Pigments 99, 1036 (2013).
• Arturo Jiménez-Sánchez, Mario Rodríguez, Rémi Métivier, Gabriel Ramos-Ortíz, Jose Luis Maldonado, Netzahualcoyotl Réboles, Norberto Farfán, Keitaro Nakatani, Rosa Santillan. Synthesis and crystal structures of a series of Schiff bases: a photo-, solvato-and acidochromic compound. New Journal of Chemistry (Aceptado 2013).

2012

• Laura Aparicio-Ixta, Gabriel Ramos-Ortiz, Juan L. Pichardo-Molina, Jose Luis Maldonado, Mario Rodriguez, Vıctor M. Tellez-Lopez, Daniel Martinez-Fong, Mikhail G. Zolotukhin, Serguei Fomine, Marco. A. Meneses-Nava and Oracio Barbosa-Garcıa. Two-photon excited fluorescence of silica nanoparticles loaded with a fluorene-based monomer and its crossconjugated polymer: their application to cell imaging. Nanoscale, 4, 7751 (2012).
• Mario Rodríguez, José Luis Maldonado, Gabriel Ramos-Ortíz, Oscar Domínguez, Ma. Eugenia Ochoa, Rosa Santillan,Norberto Farfán, Marco Antonio Meneses-Nava, Oracio Barbosa-García. X-ray diffraction analysis, and chemical–optical characterizations of 3 boron complexes from bidentate ligands. Polyhedron 43, 194–200 (2012).
• Jose-Francisco Salinas, Jose-Luis Maldonado, Gabriel Ramos-Ortız, Mario Rodrıguez, Marco-Antonio Meneses-Nava, Oracio Barbosa-Garcıa, Rosa Santillan, Norberto Farfan. On the use of Woods metal for fabricating and testing polymeric organic solar cells: An easy and fast method. Solar Energy Materials & Solar Cells 95, 595-601 (2011).
• Rongrong Hu, Jose Luis Maldonado, Mario Rodriguez, Chunmei Deng, Cathy K. W. Jim, Jacky W. Y. Lam, Matthew M. F. Yuen, Gabriel Ramos-Ortiz, and Ben Zhong Tang. Study of Structure-Property Relationships for One-Photon and Two-Photon Excited Aggregation-induced Emission of Tetraphenylethene derivatives. J: Mater. Chem. 22, 232-240 (2012).
• U. Contreras, M. A. Meneses-Nava, O. Barbosa-García, J.L. Maldonado, G. Ramos-Ortiz. Double pulse and calibration free laser-induced breakdown spectroscopy at low ablative energies. Opt. Lett. 37, 4591-4593 (2012).

2011

• R. Castro-Beltrán, H. Desirena, G. Ramos-Ortiz, E. De la Rosa, G. Lanty, J. S. Lauret, S. Romero–Servin, A. Schülzgen. Third-order nonlinear optical response and pholuminiscence characterization of tellurite glasses with different alkali metal oxides as network modifiers. JOURNAL OF APPLIED PHYSICS 110, 083110 (2011).
• Mario Rodríguez, Gabriel Ramos-Ortíz, José Luis Maldonado, Víctor M. Herrera-Ambriz, Rosa Santillan, Norberto Farfán, Keitaro Nakatani. Structural, thermal and optical characterization of a Schiff base as a new organic material for nonlinear optical crystals and films with reversible noncentrosymmetry. Spectrochimica Acta Part A 79, 1757– 1761 (2011).
• Zujin Zhao, Zhefeng Li, Jacky W. Y. Lam, Jose-Luis Maldonado, Gabriel Ramos-Ortiz, Yang Liu, Wangzhang Yuan, Jianbin Xu, Qian Miao and Ben Zhong Tang. High hole mobility of 1,2-bis[40-(diphenylamino)biphenyl-4-yl]-1,2-diphenylethene in field effect transistor. Chem. Commun., 2011, 47, 6924–6926 (2011).
• Jose-Francisco Salinas, Jose-Luis Maldonado, Gabriel Ramos-Ortız, Mario Rodrıguez, Marco-Antonio Meneses-Nava, Oracio Barbosa-Garcıa, Rosa Santillan, Norberto Farfan. On the use of Woods metal for fabricating and testing polymeric organic solar cells: An easy and fast method. Solar Energy Materials & Solar Cells 95, 595-601 (2011).
• Zujin Zhao , Jacky W. Y. Lam , Carrie Y. K. Chan , Shuming Chen , Jianzhao Liu , Ping Lu Mario Rodriguez , José-Luis Maldonado , Gabriel Ramos-Ortiz , Herman H. Y. Sung, Ian D. Williams , Huimin Su , Kam Sing Wong , Yuguang Ma , Hoi Sing Kwok , Huayu Qiu, and Ben Zhong Tang . Stereoselective Synthesis, Effi cient Light Emission, and High Bipolar Charge Mobility of Chiasmatic Luminogens. Advanced Materials 23, 5430–5435 (2011).

2010

• G. Ramos-Ortíz, J.L. Maldonado, M.C.G. Hernández, M.G. Zolotukhin, S. Fomine, N. Fröhlich, U. Scherf, F. Galbrecht, E. Preis, M. Salmon, J. Cárdenas, M.I. Chávez. Synthesis, characterization and third-order non-linear optical properties of novel fluorene monomers and their cross-conjugated polymers. Polymer 51, 2351-2359 (2010).
• Ana C. Muñoz-Muñoz, Juan L. Pichardo-Molina, Gabriel Ramos-Ortíz, Oracio Barbosa-García, José L. Maldonado, Marco A. Meneses-Nava, Nancy E. Ornelas-Soto, Antonio Escobedo and Pedro L. López-de-Alba. Identification and Quantification of Furanic Compounds in Tequila and Mezcal using Spectroscopy and Chemometric Methods. J. Braz. Chem. Soc. 21, 1077-1087 (2010).
• Yan Wan, Linyin Yan, Zujin Zhao, Xiaonan Ma, Qianjin Guo, Mingli Jia, Ping Lu, Gabriel Ramos-Ortiz, Jose´ Luis Maldonado, Mario Rodrıguez, and Andong Xia. Gigantic Two-Photon Absorption Cross Sections and Strong Two-Photon Excited Fluorescence in Pyrene Core Dendrimers with Fluorene/Carbazole as Dendrons and Acetylene as Linkages. J. Phys. Chem. B 114 11737-11745 (2010).
• Mario Rodríguez, G. Ramos-Ortiz, Martha I. Alcalá-Salas, J.L. Maldonado, Karla A. López-Varela, Yliana López, Oscar Domínguez, M.A. Meneses-Nava, O. Barbosa-Garcia, Rosa Santillan, Norberto Farfán. One-pot synthesis and characterization of a new series of boronates for the growth of single crystals with nonlinear optical properties. Dyes and Pigments. 87, 76-83 (2010).