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Porous Semiconductors - Science and Technology PSST2014

Prof Leigh Canham, Prof Andres Cantarero, Prof Thierry Djenizian, Nobuyoshi Koshida, Michael J. Sailor

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  1. Nano Idea

    Macropore formation in p-type silicon: toward the modeling of morphology

    The formation of macropores in silicon during electrochemical etching processes has attracted much interest. Experimental evidences indicate that charge transport in silicon and in the electrolyte should reali...

    Amel Slimani, Aicha Iratni, Hervé Henry, Mathis Plapp, Jean-Noël Chazalviel, François Ozanam and Noureddine Gabouze

    Nanoscale Research Letters 2014 9:585

    Published on: 21 October 2014

  2. Nano Idea

    Formation of silicon nanowire packed films from metallurgical-grade silicon powder using a two-step metal-assisted chemical etching method

    In this work, we use a two-step metal-assisted chemical etching method to produce films of silicon nanowires shaped in micrograins from metallurgical-grade polycrystalline silicon powder. The first step is an ...

    Rachid Ouertani, Abderrahmen Hamdi, Chohdi Amri, Marouan Khalifa and Hatem Ezzaouia

    Nanoscale Research Letters 2014 9:574

    Published on: 14 October 2014

  3. Nano Express

    Synthesis of colloidal solutions with silicon nanocrystals from porous silicon

    In this work, we have obtained colloidal solutions of Si nanocrystals (Si-ncs), starting from free-standing porous silicon (PSi) layers. PSi layers were synthesized using a two-electrode Teflon electrochemical...

    José Alberto Luna López, Abel Garzón Román, Estela Gómez Barojas, JF Flores Gracia, Javier Martínez Juárez and Jesús Carrillo López

    Nanoscale Research Letters 2014 9:571

    Published on: 13 October 2014

  4. Nano Express

    Trypsinization-dependent cell labeling with fluorescent nanoparticles

    Trypsin is often used to detach adhered cell subculture from a substrate. However, the proteolytic activity of trypsin may harm cells by cleaving the cell membrane proteins. The present study shows that cellul...

    Tetiana Serdiuk, Sergei Alekseev, Vladimir Lysenko, Valeriy Skryshevsky and Alain Géloën

    Nanoscale Research Letters 2014 9:568

    Published on: 13 October 2014

  5. Nano Express

    Fabrication of uniform 4H-SiC mesopores by pulsed electrochemical etching

    In this letter, the uniform 4H silicon carbide (SiC) mesopores was fabricated by pulsed electrochemical etching method. The length of the mesopores is about 19 μm with a diameter of about 19 nm. The introducti...

    Jia-Hui Tan, Zhi-zhan Chen, Wu-Yue Lu, Yue Cheng, Hong He, Yi-Hong Liu, Yu-Jun Sun and Gao-Jie Zhao

    Nanoscale Research Letters 2014 9:570

    Published on: 13 October 2014

  6. Nano Express

    Initial stem cell adhesion on porous silicon surface: molecular architecture of actin cytoskeleton and filopodial growth

    The way cells explore their surrounding extracellular matrix (ECM) during development and migration is mediated by lamellipodia at their leading edge, acting as an actual motor pulling the cell forward. Lamell...

    Pierre-Yves Collart-Dutilleul, Ivan Panayotov, Emilie Secret, Frédérique Cunin, Csilla Gergely, Frédéric Cuisinier and Marta Martin

    Nanoscale Research Letters 2014 9:564

    Published on: 10 October 2014

  7. Nano Express

    Photocatalytic activity of Cr-doped TiO2 nanoparticles deposited on porous multicrystalline silicon films

    This work deals with the deposition of Cr-doped TiO2 thin films on porous silicon (PS) prepared from electrochemical anodization of multicrystalline (mc-Si) Si wafers. The effect of Cr doping on the properties of...

    Anouar Hajjaji, Khaled Trabelsi, Atef Atyaoui, Mounir Gaidi, Latifa Bousselmi, Brahim Bessais and My Ali El Khakani

    Nanoscale Research Letters 2014 9:543

    Published on: 2 October 2014

  8. Nano Express

    Enhanced electrochemical performance of Lithium-ion batteries by conformal coating of polymer electrolyte

    This work reports the conformal coating of poly(poly(ethylene glycol) methyl ether methacrylate) (P(MePEGMA)) polymer electrolyte on highly organized titania nanotubes (TiO2nts) fabricated by electrochemical anod...

    Nareerat Plylahan, Sébastien Maria, Trang NT Phan, Manon Letiche, Hervé Martinez, Cécile Courrèges, Philippe Knauth and Thierry Djenizian

    Nanoscale Research Letters 2014 9:544

    Published on: 2 October 2014

  9. Nano Express

    SERS active silver nanoparticles synthesized by inkjet printing on mesoporous silicon

    Inkjet printing technique is exploited for the synthesis of Ag nanoparticles (NPs) patterned on electrochemically etched silicon-based substrates. The nanostructure morphology, here analyzed by scanning electr...

    Chiara Novara, Francesco Petracca, Alessandro Virga, Paola Rivolo, Sergio Ferrero, Alessandro Chiolerio, Francesco Geobaldo, Samuele Porro and Fabrizio Giorgis

    Nanoscale Research Letters 2014 9:527

    Published on: 25 September 2014

  10. Nano Express

    Controlled morphology and optical properties of n-type porous silicon: effect of magnetic field and electrode-assisted LEF

    Fabrication of photoluminescent n-type porous silicon (nPS), using electrode-assisted lateral electric field accompanied with a perpendicular magnetic field, is reported. The results have been compared with th...

    Edgar E Antunez, Jose Campos, Miguel A Basurto and Vivechana Agarwal

    Nanoscale Research Letters 2014 9:512

    Published on: 19 September 2014

  11. Nano Express

    Evaluation of optical and electronic properties of silicon nano-agglomerates embedded in SRO: applying density functional theory

    In systems in atomic scale and nanoscale such as clusters or agglomerates constituted by particles from a few to less than 100 atoms, quantum confinement effects are very important. Their optical and electroni...

    Néstor D Espinosa-Torres, David Hernández-de la Luz, José Francisco J Flores-Gracia, José A Luna-López, Javier Martínez-Juárez and Diana E Vázquez-Valerdi

    Nanoscale Research Letters 2014 9:507

    Published on: 17 September 2014

  12. Nano Express

    Porous silicon functionalization for possible arsenic adsorption

    Thiol-functionalized porous silicon (PS) monolayer was evaluated for its possible application in As (III) adsorption. Dimercaptosuccinic acid (DMSA) attached to mesoporous silicon via amide bond linkages was u...

    Ruth Fabiola Balderas-Valadez and Vivechana Agarwal

    Nanoscale Research Letters 2014 9:508

    Published on: 17 September 2014

  13. Nano Express

    Fe effect on the optical properties of TiO2:Fe2O3 nanostructured composites supported on SiO2 microsphere assemblies

    The effect of Fe ion concentration on the morphological, structural, and optical properties of TiO2 films supported on silica (SiO2) opals has been studied. TiO2:Fe2O3 films were prepared by the sol-gel method in...

    Jesús I Peña-Flores, Abraham F Palomec-Garfias, César Márquez-Beltrán, Enrique Sánchez-Mora, Estela Gómez-Barojas and Felipe Pérez-Rodríguez

    Nanoscale Research Letters 2014 9:499

    Published on: 15 September 2014

  14. Nano Express

    Formation of nanostructured silicon surfaces by stain etching

    In this work, we report the fabrication of ordered silicon structures by chemical etching of silicon in vanadium oxide (V2O5)/hydrofluoric acid (HF) solution. The effects of the different etching parameters inclu...

    Maha Ayat, Samia Belhousse, Luca Boarino, Noureddine Gabouze, Rabah Boukherroub and Mohamed Kechouane

    Nanoscale Research Letters 2014 9:482

    Published on: 11 September 2014

  15. Nano Express

    Colloidal solutions of luminescent porous silicon clusters with different cluster sizes

    Silicon nanocrystals (Si-ncs) are promising for biological studies due to their supposed low cytotoxicity, good biocompatibility and biodegradability in living organisms. However, the bioresearchers' focus on ...

    Kateřina Herynková, Egor Podkorytov, Miroslav Šlechta, Ondřej Cibulka, Jindřich Leitner and Ivan Pelant

    Nanoscale Research Letters 2014 9:478

    Published on: 9 September 2014

  16. Nano Express

    Macroporous silicon for high-capacitance devices using metal electrodes

    In this paper, high-capacity energy storage devices based on macroporous silicon are demonstrated. Small footprint devices with large specific capacitances up to 100 nF/mm2, and an absolute capacitance above 15 μ...

    Didac Vega, Jordi Reina, Ferran Martí, Ramón Pavón and Ángel Rodríguez

    Nanoscale Research Letters 2014 9:473

    Published on: 5 September 2014

  17. Nano Express

    Nanoparticles prepared from porous silicon nanowires for bio-imaging and sonodynamic therapy

    Evaluation of cytotoxicity, photoluminescence, bio-imaging, and sonosensitizing properties of silicon nanoparticles (SiNPs) prepared by ultrasound grinding of porous silicon nanowires (SiNWs) have been investi...

    Liubov A Osminkina, Vladimir A Sivakov, Grigory A Mysov, Veronika A Georgobiani, Ulyana А Natashina, Florian Talkenberg, Valery V Solovyev, Andrew A Kudryavtsev and Victor Yu Timoshenko

    Nanoscale Research Letters 2014 9:463

    Published on: 3 September 2014

  18. Nano Express

    Tunneling times of acoustic phonon packets through a distributed Bragg reflector

    The longwave phenomenological model is used to make simple and precise calculations of various physical quantities such as the vibrational energy density, the vibrational energy, the relative mechanical displa...

    Zorayda Lazcano, Pedro Luis Valdés Negrín, Diosdado Villegas, Jesus Arriaga and Rolando Pérez-Álvarez

    Nanoscale Research Letters 2014 9:449

    Published on: 29 August 2014

  19. Nano Idea

    ZnO-porous silicon nanocomposite for possible memristive device fabrication

    Preliminary results on the fabrication of a memristive device made of zinc oxide (ZnO) over a mesoporous silicon substrate have been reported. Porous silicon (PS) substrate is employed as a template to increas...

    Lizeth Martínez, Oscar Ocampo, Yogesh Kumar and Vivechana Agarwal

    Nanoscale Research Letters 2014 9:437

    Published on: 27 August 2014

  20. Nano Express

    A turn-on fluorescent solid-sensor for Hg(II) detection

    A rhodamine organosilane derivative (Rh-UTES) has been obtained by one-pot synthesis. The chemical structure of Rh-UTES was confirmed by nuclear magnetic resonance (NMR) and infrared (FTIR) techniques. To obta...

    Mayela De la Cruz-Guzman, Angelica Aguilar-Aguilar, Luis Hernandez-Adame, Alan Bañuelos-Frias, Francisco J Medellín-Rodríguez and Gabriela Palestino

    Nanoscale Research Letters 2014 9:431

    Published on: 26 August 2014

  21. Nano Express

    The mechanism of galvanic/metal-assisted etching of silicon

    Metal-assisted etching is initiated by hole injection from an oxidant catalyzed by a metal nanoparticle or film on a Si surface. It is shown that the electronic structure of the metal/Si interface, i.e., band ...

    Kurt W Kolasinski

    Nanoscale Research Letters 2014 9:432

    Published on: 26 August 2014

  22. Nano Express

    Tunable optical filters with wide wavelength range based on porous multilayers

    A novel concept for micromechanical tunable optical filter (TOF) with porous-silicon-based photonic crystals which provide wavelength tuning of ca. ±20% around a working wavelength at frequencies up to kilohertz ...

    Ulrich Mescheder, Isman Khazi, Andras Kovacs and Alexey Ivanov

    Nanoscale Research Letters 2014 9:427

    Published on: 22 August 2014

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