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Semiconductor nanowires: formation mechanisms and biosensing applications

Grant number: 13/02300-1
Support type:Regular Research Grants
Duration: June 01, 2013 - November 30, 2015
Field of knowledge:Physical Sciences and Mathematics - Physics - Condensed Matter Physics
Principal Investigator:Mônica Alonso Cotta
Grantee:Mônica Alonso Cotta
Home Institution: Instituto de Física Gleb Wataghin (IFGW). Universidade Estadual de Campinas (UNICAMP). Campinas , SP, Brazil


Semiconductor nanowires have been widely investigated in the last decade due to possible applications related to their geometry and physical properties. Nevertheless, questions regarding the growth of nanowires, particularly those of III-V compounds, still need to be addressed so that the technological potential of these nano-objects can be fulfilled. In this project we intend to study the growth of III-V semiconductor nanowires, particularly of ternary alloys and/or heterostructured wires, exploiting their structural characterization and the resulting characteristics (shape, crystallographic orientation, optical and electrical properties, etc). This work will be carried out in search of new geometrical and structural features that allow applications of these nano-objects in sensor devices, with emphasis on biosensors. For this goal, the experimental methodology involves different techniques - epitaxy, electron microscopy and atomic force microdevices processing, optical and electrical measurements, among others - to create a platform for testing the nanowires obtained in our group. (AU)

Scientific publications (11)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
UGARTE, DANIEL; TIZEI, LUIZ H. G.; COTTA, MONICA A.; DUCATI, CATERINA; MIDGLEY, PAUL A.; EGGEMAN, ALEXANDER S. Analysis of structural distortion in Eshelby twisted InP nanowires by scanning precession electron diffraction. NANO RESEARCH, v. 12, n. 4, p. 939-946, APR 2019. Web of Science Citations: 0.
DA SILVA, ALDELIANE M.; SAHOO, PRASANA K.; CAVALLI, ALESSANDRO; DE SOUZA, ALESSANDRA A.; BAKKERS, ERIK P. A. M.; CESAR, CARLOS L.; JANISSEN, RICHARD; COTTA, MONICA A. Nanowire Arrays as Force Sensors with Super-Resolved Localization Position Detection: Application to Optical Measurement of Bacterial Adhesion Forces. SMALL METHODS, v. 2, n. 7 JUL 10 2018. Web of Science Citations: 4.
OLIVEIRA, D. S.; ZAVARIZE, M.; TIZEI, L. H. G.; WALLS, M.; OSPINA, C. A.; IIKAWA, F.; UGARTE, D.; COTTA, M. A. Different growth regimes in InP nanowire growth mediated by Ag nanoparticles. Nanotechnology, v. 28, n. 50 DEC 15 2017. Web of Science Citations: 2.
DA SILVA, BRUNO C.; OLIVEIRA, DOUGLAS S.; IIKAWA, FERNANDO; COUTO, JR., ODILON D. D.; BETTINI, JEFFERSON; ZAGONEL, LUIZ F.; COTTA, MONICA A. Exploring Au Droplet Motion in Nanowire Growth: A Simple Route toward Asymmetric GaP Morphologies. Nano Letters, v. 17, n. 12, p. 7274-7282, DEC 2017. Web of Science Citations: 2.
JANISSEN, RICHARD; SAHOO, PRASANA K.; SANTOS, CLELTON A.; DA SILVA, ALDELIANE M.; VON ZUBEN, ANTONIO A. G.; SOUTO, DENIO E. P.; COSTA, ALEXANDRE D. T.; CELEDON, PAOLA; ZANCHIN, NILSON I. T.; ALMEIDA, DIOGO B.; OLIVEIRA, DOUGLAS S.; KUBOTA, LAURO T.; CESAR, CARLOS L.; DE SOUZA, ANETE P.; COTTA, MONICA A. InP Nanowire Biosensor with Tailored Biofunctionalization: Ultrasensitive and Highly Selective Disease Biomarker Detection. Nano Letters, v. 17, n. 10, p. 5938-5949, OCT 2017. Web of Science Citations: 16.
MOLLER, M.; OLIVEIRA, D. S.; SAHOO, P. K.; COTTA, M. A.; IIKAWA, F.; MOTISUKE, P.; MOLINA-SANCHEZ, A.; DE LIMA, JR., M. M.; GARCIA-CRISTOBAL, A.; CANTARERO, A. Fermi energy dependence of the optical emission in core/shell InAs nanowire homostructures. Nanotechnology, v. 28, n. 29 JUL 21 2017. Web of Science Citations: 1.
HERNANDEZ-MONTELONGO, J.; LUCCHESI, E. G.; NASCIMENTO, V. F.; FRANCA, C. G.; GONZALEZ, I.; MACEDO, W. A. A.; MACHADO, D.; LANCELLOTTI, M.; MORAES, A. M.; BEPPU, M. M.; COTTA, M. A. Antibacterial and non-cytotoxic ultra-thin polyethylenimine film. Materials Science & Engineering C-Materials for Biological Applications, v. 71, p. 718-724, FEB 1 2017. Web of Science Citations: 5.
SAHOO, PRASANA K.; JANISSEN, RICHARD; MONTEIRO, MONIELLEN P.; CAVALLI, ALESSANDRO; MURILLO, DUBER M.; MERFA, MARCUS V.; CESAR, CARLOS L.; CARVALHO, HERNANDES F.; DE SOUZA, ALESSANDRA A.; BAKKERS, ERIK P. A. M.; COTTA, MONICA A. Nanowire Arrays as Cell Force Sensors To Investigate Adhesin-Enhanced Holdfast of Single Cell Bacteria and Biofilm Stability. Nano Letters, v. 16, n. 7, p. 4656-4664, JUL 2016. Web of Science Citations: 22.
HERNANDEZ-MONTELONGO, J.; LUCCHESI, E. G.; GONZALEZ, I.; MACEDO, W. A. A.; NASCIMENTO, V. F.; MORAES, A. M.; BEPPU, M. M.; COTTA, M. A. Hyaluronan/chitosan nanofilms assembled layer-by-layer and their antibacterial effect: A study using Staphylococcus aureus and Pseudomonas aeruginosa. COLLOIDS AND SURFACES B-BIOINTERFACES, v. 141, p. 499-506, MAY 1 2016. Web of Science Citations: 21.
HERNANDEZ-MONTELONGO, JACOBO; NASCIMENTO, VICENTE F.; MURILLO, DUBER; TAKETA, THIAGO B.; SAHOO, PRASANA; DE SOUZA, ALESSANDRA A.; BEPPU, MARISA M.; COTTA, MONICA A. Nanofilms of hyaluronan/chitosan assembled layer-by-layer: An antibacterial surface for Xylella fastidiosa. Carbohydrate Polymers, v. 136, p. 1-11, JAN 20 2016. Web of Science Citations: 19.
OLIVEIRA, D. S.; TIZEI, L. H. G.; LI, A.; VASCONCELOS, T. L.; SENNA, C. A.; ARCHANJO, B. S.; UGARTE, D.; COTTA, M. A. Interaction between lamellar twinning and catalyst dynamics in spontaneous core-shell InGaP nanowires. NANOSCALE, v. 7, n. 29, p. 12722-12727, 2015. Web of Science Citations: 9.

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