Past Publications

    2013

  • Ok, Ghosh, Brennaman, Lopez, Meyer, Samulski. Surface patterning of mesoporous niobium oxide films for solar energy conversion.. ACS applied materials & interfaces 5, 3469-74, (2013). http://dx.doi.org/10.1021...
  • Alibabaei, Luo, House, Hoertz, Lopez, Meyer. Applications of metal oxide materials in dye sensitized photoelectrosynthesis cells for making solar fuels: let the molecules do the work. Journal of Materials Chemistry A 1, 4133, (2013). http://pubs.rsc.org/en/co...
  • Liu, Kirsch, Gadisa, Aryal, Mitran, Samulski, Lopez. Effects of nano-patterned versus simple flat active layers in upright organic photovoltaic devices. Journal of Physics D: Applied Physics 46, 024008, (2013). http://stacks.iop.org/002...
  • Lundgren, Lopez, Redwing, Melde. FDTD modeling of solar energy absorption in silicon branched nanowires. Optics Express 21, A392, (2013). http://www.opticsexpress....

    • 2012

  • Gadisa, Liu, Samulski, Lopez. Role of thin n-type metal-oxide interlayers in inverted organic solar cells.. ACS applied materials & interfaces 4, 3846-51, (2012). http://dx.doi.org/10.1021...
  • Ghosh, Hara, Alibabaei, Hanson, Rangan, Bartynski, Meyer, Lopez. Increasing photocurrents in dye sensitized solar cells with tantalum-doped titanium oxide photoanodes obtained by laser ablation.. ACS applied materials & interfaces 4, 4566-70, (2012). http://www.ncbi.nlm.nih.g...
  • Tumbleston, Liu, Samulski, Lopez. Interplay between Bimolecular Recombination and Carrier Transport Distances in Bulk Heterojunction Organic Solar Cells. Advanced Energy Materials 2, 477-486, (2012). http://doi.wiley.com/10.1...
  • Gadisa, Liu, Samulski, Lopez. Minimizing interfacial losses in inverted organic solar cells comprising Al-doped ZnO. Applied Physics Letters 100, 253903, (2012). http://link.aip.org/link/...
  • Alexander, Zhang, {Hight Walker}, Xu, Lopez. Relationship between Length and Surface-Enhanced Raman Spectroscopy Signal Strength in Metal Nanoparticle Chains: Ideal Models versus Nanofabrication. Journal of Nanotechnology 2012, 1-7, (2012). http://www.hindawi.com/jo...
  • Aryal, Ko, Tumbleston, Gadisa, Samulski, Lopez. Large area nanofabrication of butterfly wing's three dimensional ultrastructures. Journal of Vacuum Science & Technology B: Microelectronics and Nanometer Structures 30, 061802-061802-7, (2012). http://link.aip.org/link/...
  • Brosnan, Ghosh, McNeil, Lopez. Influence of ionic pretreatment on the performance of solid electrolyte dye-sensitized solar cells. Solar Energy (2012). http://linkinghub.elsevie...
  • Hanson, Brennaman, Ito, Luo, Song, Parker, Ghosh, Norris, Glasson, Concepcion, Lopez, Meyer. Structure–Property Relationships in Phosphonate-Derivatized, Ru II Polypyridyl Dyes on Metal Oxide Surfaces in an Aqueous Environment. The Journal of Physical Chemistry C 116, 14837-14847, (2012). http://dx.doi.org/10.1021...
  • Gadisa, Tumbleston, Ko, Aryal, Lopez, Samulski. The role of solvent and morphology on miscibility of methanofullerene and poly(3-hexylthiophene). Thin Solid Films (2012). http://linkinghub.elsevie...

    • 2011

  • Ghosh, Brennaman, Uher, Ok, Samulski, McNeil, Meyer, Lopez. Nanoforest Nb2O5 photoanodes for dye-sensitized solar cells by pulsed laser deposition.. ACS applied materials & interfaces 3, 3929-35, (2011). http://www.ncbi.nlm.nih.g...
  • Liu, Turley, Tumbleston, Samulski, Lopez. Minority carrier transport length of electrodeposited Cu2O in ZnO/Cu2O heterojunction solar cells. Applied Physics Letters 98, 162105, (2011). http://link.aip.org/link/...
  • Ray, Lopez. Numerical design and scattering losses of a one-dimensional metallo – dielectric multilayer with broadband coupling of propagating waves to plasmon modes in the visible range. J. Optical Society of America B 28, 1778-1781, (2011). .
  • Ko, Tumbleston, Gadisa, Aryal, Lopez, Samulski. Light-trapping nano-structures in organic photovoltaic cells. Journal of Materials Chemistry (2011). http://xlink.rsc.org/?DOI...
  • Pashkin, Kübler, Ehrke, Lopez, Halabica, Haglund, Huber, Leitenstorfer. Ultrafast insulator-metal phase transition in VO_ 2 studied by multiterahertz spectroscopy. Physical Review B 83, 195120, (2011). http://link.aps.org/doi/1...
  • Wu, Zimmers, Aubin, Ghosh, Liu, Lopez. Electric-field-driven phase transition in vanadium dioxide. Physical Review B 84, 2-5, (2011). http://link.aps.org/doi/1...
  • Ko, Tumbleston, Henderson, Euliss, DeSimone, Lopez, Samulski. Biomimetic microlens array with antireflective “moth-eye” surface. Soft Matter 10-13, (2011). http://xlink.rsc.org/?DOI...
  • Ghosh, Brennaman, Concepcion, Hanson, Kumbhar, Meyer, Lopez. Efficient high surface area vertically aligned metal oxide nanostructures for dye-sensitized photoanodes by pulsed laser deposition. 81090U-81090U-6, (2011). http://proceedings.spiedi...
  • Ko, Tumbleston, Schenck, Lopez, Samulski. Photonic Crystal Geometry for Organic Polymer:Fullerene Standard and Inverted Solar Cells. The Journal of Physical Chemistry C 115, 4247-4254, (2011). http://apps.isiknowledge....

    • 2010

  • Tumbleston, Ko, Samulski, Lopez, Oluseyi. Electro-optical model of photonic crystal bulk heterojunction organic solar cells. 1280, 121-129, (2010). http://link.aip.org/link/...
  • Ko, Tumbleston, Ok, Chun, Lopez, Samulski. Suppression of bimolecular recombination by UV-sensitive electron transport layers in organic solar cells. Journal of Applied Physics 108, 083101, (2010). http://link.aip.org/link/...
  • Tumbleston, Ko, Samulski, Lopez. Nonideal parasitic resistance effects in bulk heterojunction organic solar cells. Journal of Applied Physics 108, 084514, (2010). http://link.aip.org/link/...
  • Meldrum, Lopez, Magruder, Boatner, White. Structure and Properties of Nanoparticles Formed by Ion Implantation. 116, (2010). http://www.springerlink.c...
  • Alexander, Skinner, Zhang, Wei, Lopez. Tunable SERS in Gold Nanorod Dimers through Strain Control on an Elastomeric Substrate. Nano Letters 101005155324050, (2010). http://pubs.acs.org/doi/a...
  • Williams, Retterer, Lopez, Ruiz, Samulski, DeSimone. High-resolution PFPE-based molding techniques for nanofabrication of high-pattern density, sub-20 nm features: a fundamental materials approach.. Nano letters 10, 1421-8, (2010). http://dx.doi.org/10.1021...
  • Tumbleston, Ko, Samulski, Lopez. Analyzing local exciton generation profiles as a means to extract transport lengths in organic solar cells. Physical Review B 82, 205325, (2010). http://apps.isiknowledge....
  • Ghosh, Baker, Lopez. Optical properties and aging of gasochromic WO3. Thin Solid Films 518, 2247-2249, (2010). http://linkinghub.elsevie...

    • 2009

  • Tumbleston, Ko, Samulski, Lopez. Electrophotonic enhancement of bulk heterojunction organic solar cells through photonic crystal photoactive layer. Applied Physics Letters 94, 043305, (2009). http://link.aip.org/link/...
  • Alexander, Hampton, Zhang, Dhawan, Xu, Lopez. A high-throughput method for controlled hot-spot fabrication in SERS-active gold nanoparticle dimer arrays. Journal of Raman Spectroscopy 40, 2171-2175, (2009). http://doi.wiley.com/10.1...
  • Donev, Lopez, Feldman, Haglund. Confocal Raman microscopy across the metal-insulator transition of single vanadium dioxide nanoparticles.. Nano letters 9, 702-6, (2009). http://www.ncbi.nlm.nih.g...
  • Ko, Tumbleston, Zhang, Williams, DeSimone, Lopez, Samulski. Photonic crystal geometry for organic solar cells.. Nano letters 9, 2742-2746, (2009). http://dx.doi.org/10.1021...
  • Tumbleston, Ko, Samulski, Lopez. Absorption and quasiguided mode analysis of organic solar cells with photonic crystal photoactive layers. Optics Express 17, 7670, (2009). http://www.opticsexpress....
  • Ray, Hampton, Lopez. Simple demonstration of visible evanescent-wave enhancement with far-field detection.. Optics letters 34, 2048-50, (2009). http://www.ncbi.nlm.nih.g...

    • 2008

  • Leitenstorfer, Kübler, Lopez, Halabica, Haglund, Huber. Ultrafast insulator-metal transition in VO 2 : interplay between coherent lattice motion and electronic correlations. Physica Status Solidi (C) 6, 149-151, (2009). http://doi.wiley.com/10.1...
  • Donev, Suh, Lopez, Feldman, {Haglund Jr.}. Using a Semiconductor-to-Metal Transition to Control Optical Transmission through Subwavelength Hole Arrays. Advances in OptoElectronics 2008, 1-11, (2008). http://www.hindawi.com/jo...
  • Tumbleston, Ko, Lopez, Samulski. Characterizing enhanced performance of nanopatterned bulk heterojunction organic photovoltaics. Proceedings of SPIE 7047, 70470S_1-70470S_9, (2008). http://link.aip.org/link/...

    • 2007

  • McMahon, Ferrara, Bowie, Lopez, {Haglund Jr.}. Second harmonic generation from resonantly excited arrays of gold nanoparticles. Applied Physics B 87, 259-265, (2007). http://www.springerlink.c...
  • Karakurt, Boneberg, Leiderer, Lopez, Halabica, Haglund. Transmission increase upon switching of VO[sub 2] thin films on microstructured surfaces. Applied Physics Letters 91, 091907, (2007). http://link.aip.org/link/...
  • Kübler, Ehrke, Huber, Lopez, Halabica, Haglund, Leitenstorfer. Coherent Structural Dynamics and Electronic Correlations during an Ultrafast Insulator-to-Metal Phase Transition in VO2. Physical Review Letters 99, 1-4, (2007). http://link.aps.org/doi/1...

    • 2006

  • Rozen, Lopez, Haglund, Feldman. Two-dimensional current percolation in nanocrystalline vanadium dioxide films. Applied Physics Letters 88, 081902, (2006). http://link.aip.org/link/...
  • Suh, Donev, Lopez, Feldman, Haglund. Modulated optical transmission of subwavelength hole arrays in metal-VO[sub 2] films. Applied Physics Letters 88, 133115, (2006). http://link.aip.org/link/...
  • Hmelo, McMahon, Lopez, Magruder, Weller, Haglund, Feldman. Fabrication of Metallic Nanocrystal Arrays for Nanoscale Nonlinear Optics. (2006). http://doi.wiley.com/10.1...
  • Lopez, Haglund, Feldman, Boatner, Haynes. Optical nonlinearities and the ultrafast phase transition of VO2 nanoparticles and thin films. 61180O-61180O-9, (2006). http://proceedings.spiedi...
  • Donev, Suh, Villegas, Lopez, Haglund, Feldman. Optical properties of subwavelength hole arrays in vanadium dioxide thin films. Physical Review B 73, 1-4, (2006). http://link.aps.org/doi/1...
  • Jepsen, Fischer, Thoman, Helm, Suh, Lopez, Haglund. Metal-insulator phase transition in a VO2 thin film observed with terahertz spectroscopy. Physical Review B 74, 1-9, (2006). http://link.aps.org/doi/1...
  • McMahon, Lopez, Haglund, Ray, Bunton. Second-harmonic generation from arrays of symmetric gold nanoparticles. Physical Review B 73, 1-4, (2006). http://link.aps.org/doi/1...
  • McMahon. Second harmonic generation from centrosymmetric arrays of gold nanoparticles. Proceedings of SPIE 61061N-61061N-9, (2006). http://link.aip.org/link/...

    • 2005

  • Mcmahon, Lopez, Meyer, Feldman, Haglund. Rapid tarnishing of silver nanoparticles in ambient laboratory air. Applied Physics B 80, 915-921, (2005). http://www.springerlink.c...
  • Rini, Cavalleri, Schoenlein, López, Feldman, Haglund, Boatner, Haynes. Photoinduced phase transition in VO2 nanocrystals: ultrafast control of surface-plasmon resonance.. Optics letters 30, 558-60, (2005). http://www.ncbi.nlm.nih.g...
  • Rini, Cavalleri, López, Boatner, F, Haynes, Feldman, Schoenlein. Ultrafast Control of a Surface Plasmon Resonance via the Insulator to Metal Transition in VO 2 Nanoparticles. 1, 792-794, (2005). http://link.springer.com/...

    • 2004

  • Lopez, Boatner, Haynes, Haglund, Feldman. Switchable reflectivity on silicon from a composite VO[sub 2]-SiO[sub 2] protecting layer. Applied Physics Letters 85, 1410, (2004). http://link.aip.org/link/...
  • Lopez, Haglund, Feldman, Boatner, Haynes. Optical nonlinearities in VO2 nanoparticles and thin films. Applied Physics Letters 85, 5191, (2004). http://link.aip.org/link/...
  • Suh, Lopez, Feldman, Haglund. Semiconductor to metal phase transition in the nucleation and growth of VO2 nanoparticles and thin films. Journal of Applied Physics 96, 1209, (2004). http://link.aip.org/link/...
  • Haglund, Lopez, Suh, Feldman, Haynes, Boatner. Fabricating arrays of vanadium dioxide nanodisks by focused ion-beam lithography and pulsed-laser deposition. 601-610, (2004). http://proceedings.spiedi...
  • Lopez, Suh, Feldman, {Haglund Jr}. Ion beam lithographic fabrication of ordered VO2 nanoparticle arrays. Materials research society proceedings 820, 1-6, (2004). .
  • Lopez, Feldman, Haglund. Size-Dependent Optical Properties of VO2 Nanoparticle Arrays. Physical Review Letters 93, 20-23, (2004). http://link.aps.org/doi/1...

    • 2003

  • Mcmahon, Hmelo, Lopez, Ryle, T, Haglund, Feldman, Weller, H. Mat. Res. Soc. Symp. Proc. Vol. 739 © 2003 Materials Research Society H2.7.1. Materials Research 739, 2-7, (2003). .
  • Feldman, Lpke, Tolk, Lopez, Haglund, Haynes, Boatner. Particle–solid interactions and 21st century materials science. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms 212, 1-7, (2003). http://linkinghub.elsevie...

    • 2002

  • Lopez, Boatner, Haynes, Feldman, Haglund. Synthesis and characterization of size-controlled vanadium dioxide nanocrystals in a fused silica matrix. Journal of Applied Physics 92, 4031, (2002). http://link.aip.org/link/...
  • Lopez, Haynes, Boatner, Feldman, Haglund. Temperature-controlled surface plasmon resonance in VO2 nanorods.. Optics letters 27, 1327-9, (2002). http://www.ncbi.nlm.nih.g...
  • Lopez, Haynes, Boatner, Feldman, Haglund. Size effects in the structural phase transition of VO2 nanoparticles. Physical Review B 65, 1-5, (2002). http://link.aps.org/doi/1...

    • 2001

  • Lopez, Ruiz, Jr, Feldman. Rapid communication Pulsed laser deposition of conductive metallo-dielectric optical filters. Appl. Phys. A 74, 307-310, (2001). .
  • Lopez, Boatner, Haynes, Haglund, Feldman. Enhanced hysteresis in the semiconductor-to-metal phase transition of VO[sub 2] precipitates formed in SiO[sub 2] by ion implantation. Applied Physics Letters 79, 3161, (2001). http://link.aip.org/link/...
  • Garcia-Llamas, Gaspar-Armenta, Ramos-Mendieta, Lopez, Haglund, Ruiz. Injection of light into a planar dielectric wave guide of metallic walls. 88-94, (2001). http://proceedings.spiedi...