Photonics for photovoltaics is a research line that focuses on the understanding of the: light to photovoltaic cell and module interactions, and how to use such knowledge to improve the efficiency.


Optimizing light trapping is one of our major concerns, and we take advantage of nanofabrication techniques to taylor the surface texture in order to modify the reflectance and absorbance properties of the cells.


We are also kean in exploring other nano-technologies to produce for instance nanoparticles or quantum dots and study effects such as plasmon interactions or downshifting, and their effects in the cell.

  1. The enhancement of near infrared light trapping in solar cells with backside crystalline silicon gratings: Realization and characterization investigation

    M. Chahia,c, S.P. Alcántarab, A. Bouhekkaa,d ,J.D. Siba,c, G. Sanchez b, L. Chahed
    Optik – International Journal for Light and Electron Optics 200 (2020) 163143


  2. A novel passivation process of silicon nanowires by a low-cost PECVD technique for deposition of hydrogenated silicon nitride using SiH4 and N2 as precursor …

    L Bouaziz, D Dridi, M Karyaoui, T Angelova, GS Plaza, R Chtourou

    The European Physical Journal Plus 132 (3), 119, 2017


  3. Realistic simulation of metal nanoparticles on solar cells

    F Cortés-Juan, A Espinosa-Soria, JP Connolly, G Sánchez-Plaza, …

    Energy Procedia 84, 204-213, 2015


  4. Multiscale approaches to high efficiency photovoltaics

    James Patrick Connolly, Lejo J Koduvelikulathu, Denis Mencaraglia, Julio C Rimada, Ahmed Nejim, Guillermo Sanchez

    arXiv preprint arXiv:1511.04724, 2015


  5. Purcell effect and luminescent downshifting in Silicon nanocrystals coated back-contact solar cells

    F.Sgrignuolia, P.Ingenhovena, G.Puckerb, V.D.Mihailetchic, E.Fronera, Y.Jestinb, E.Mosera, G.Sànchez, L.Pavesi

    Solar Energy Materials and Solar Cells, 267-274, 2015


  6. The importance of optical characterization of PV backsheets in improving solar module power

    S Ponce-Alcántara, AAV Arangú, GS Plaza

    Proceedings of the 8th International Photovoltaic Power Generation …, 2014


  7. A statistical analysis of the temperature coefficients of industrial silicon solar cells

    S Ponce-Alcántara, AAV Arangú, GS Plaza

    Energy Procedia 55, 578-588, 2014


  8. Combined model of non-conformal layer growth for accurate optical simulation of thin-film silicon solar cells

    M Sever, B Lipovšek, J Krč, A Čampa, GS Plaza, FJ Haug, M Duchamp, …

    Solar energy materials and solar cells 119, 59-66, 2013


  9. Effect of Ag nanoparticles integrated within antireflection coatings for solar cells

    F Cortés-Juan, C Chaverri Ramos, JP Connolly, C David, Francisco Javier García de Abajo, J Hurtado, VD Mihailetchi, Salvador Ponce-Alcántara, Guillermo Sánchez

    Journal of Renewable and Sustainable Energy 5 (3), 033116, 2013


  10. Theory of random nanoparticle layers in photovoltaic devices applied to self-aggregated metal samples

    C David, JP Connolly, CC Ramos, FJG De Abajo, GS Plaza

    Solar energy materials and solar cells 109, 294-299, 2013


  11. Screen printed IBC solar cells with silicon quantum dots downshifter layer

    VD Mihailetchi, G Galbiati, LJ Koduvelikulathu, R Kopecek, Y Jestin, Georg Pucker, P Ingenhoven, L Pavesi, JP Conolly, G Sánchez

    EU PVSEC 2012 27th European Photovoltaic Solar Energy Conference and Exhibition, 2012


  12. Analysis of plasmonic nanoparticle fabrication techniques for efficient integration in photovoltaic devices

    JP Connolly, C David, P Rodriguez, A Griol, P Welti, L Bellières, J Ayucar, J Hurtado, R Lopez, G Sanchez, FJ García de Abajo

    Proceedings of the 25th European Photovoltaic Solar Energy Conference and Exhibition/5th World Conference on Photovoltaic Energy Conversion, Valencia, Spain


  13. Growth, morphology, and structural properties of group‐III‐nitride nanocolumns and nanodisks

    E Calleja, J Ristić, S Fernández‐Garrido, L Cerutti, MA Sánchez‐García, J Grandal, A Trampert, U Jahn, G Sánchez, A Griol, B Sánchez

    physica status solidi (b) 244 (8), 2816-2837, 2007


Guillermo Sánchez Plaza - Group leader

Jorge Argente Garrigós - Junior researcher


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