UPR Rio Piedras Campus

  

Chemical Vapor Deposition System



Diamond Film

Graphene Quantum Dot






Carbon nanotubes forming flower-like structures



Recent Peer-reviewed Publications:

• Effect of Poling on Photovoltaic Properties in Highly Oriented BiFeO3 Thin Films, R.K. Katiyar, P. Misra, G. Morell, R.S. Katiyar, Integrated Ferroelectrics, 157, 168, (2014). 
• Enhanced Structural Integrity and Electrochemical Performanceof AlPO4-Coated MoO2 Anode Material for Lithium-Ion Batteries, José I.López-Pérez, Edwin O. Ortiz-Quiles, Khaled Habiba, Mariel Jiménez-Rodríguez,Brad R. Weiner and Gerardo Morell, ISRN Electrochemistry 2014, Article ID359019, http://dx.doi.org/10.1155/2014/359019
• Physicalproperties of bifunctional BST/LSMO nanocomposites, Juan Beltran-Huarac, RicardoMartinez, and Gerardo Morell, Journal of Applied Physics 115, 084102, 2014.
• Newroute to the fabrication of nanocrystalline diamond films, Deepak Varshney,Javier Palomino, Jennifer Gil, Oscar Resto, Brad R. Weiner, and Gerardo Morell,Journal of Applied Physics 115, 054304, 2014.
• Single-Crystal γ-MnS Nanowires Conformally Coated with Carbon, Juan Beltran-Huarac, Oscar Resto, Jennifer Carpena-Nuñez, Wojciech M. Jadwisienczak, Luis F. Fonseca, Brad. R. Weiner, and Gerardo Morell, ACS Applied Materials and Interfaces 6, 1180, 2014.  
• Room Temperature Gas Sensor Based on Tin Dioxide-Carbon Nanotubes Composite Films, Frank Mendoza, Dionne M. Hernández, Vladimir Makarov, Emmanuel Febus, Brad R. Weiner, and Gerardo Morell, Sensors & Actuators: B. Chemical 190, 227-233, 2014.
• Luminescent Graphene Quantum Dots Fabricated by Pulsed Laser Synthesis, Khaled Habiba, Vladimir I. Makarov, Javier Avalos, Maxime J. F. Guinel, Brad R. Weiner, and Gerardo Morell, Carbon 64, 341-350, 2013.
• Synthesis and Transport Properties of La_0.67Sr0_.33MnO₃ Conformally-coated on Carbon Nanotubes, Juan Beltran-Huarac, Jennifer Carpena-Nuñez, Danilo Barrionuevo, Frank Mendoza, Ram S. Katiyar, Luis F. Fonseca, Brad R. Weiner, Gerardo Morell1, Carbon 65, 252-260, 2013.
• Stability of the Mn photoluminescence in bifunctional ZnS:0.05Mn nanoparticles, Juan Beltran-Huarac, Jingzhou Wang, Hiroki Tanaka, Wojciech M. Jadwisienczak, Brad R. Weiner, and Gerardo Morell, Journal of Applied Physics 114, 053106, 2013.
• Single-step route to hierarchical flower-like carbon nanotube clusters decorated with ultrananocrystalline diamond, Deepak Varshney, Anirudha V. Sumant, Oscar Resto, Frank Mendoza, Kenneth Perez Quintero, Majid Ahmadi, Brad R. Weiner, Gerardo Morell, Carbon 63, 253–262, 2013.
• Advance in novel boron nitride nanosheets to nano-electronic device applications, Muhammad Sajjad, Gerardo Morell, and Peter Feng, ACS Applied Materials and Interfaces, DOI:10.1021/am400871s, 2013.
• Bifunctional Fe3O4/ZnS:Mn composite nanoparticles, Juan Beltrán-Huarac, Maxime J-F. Guinel, Brad R. Weiner and Gerardo Morell; Materials Letters 98, 108, 2013.