Elisa Pinna
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View article: First-Principles Investigation of the Optical Properties of Eumelanin Protomolecules
First-Principles Investigation of the Optical Properties of Eumelanin Protomolecules Open
Using first-principles calculations, we investigate the absorption spectra (in the near-infrared, visible, and first UV range) of the two most probable eumelanin tetrameric molecules exhibiting either a linear open-chain or a cyclic porphy…
View article: Mesopore Formation and Silicon Surface Nanostructuration by Metal-Assisted Chemical Etching With Silver Nanoparticles
Mesopore Formation and Silicon Surface Nanostructuration by Metal-Assisted Chemical Etching With Silver Nanoparticles Open
This article presents a study on Metal-Assisted Chemical Etching (MACE) of silicon in HF-H2O2 using silver nanoparticles as catalysts. Our aim is a better understanding of the process to elaborate new 3D submicrometric surface structures u…
View article: Impregnation of porous silicon matrices for technological applications
Impregnation of porous silicon matrices for technological applications Open
Porous silicon (PSi) is a very versatile material, whose main feature is the large developed surface. This inner surface, generated by the presence of pores, makes PSi particularly suitable for applications needing pores impreg- nation. In…
View article: Electrochemical Nanolithography on Silicon: An Easy and Scalable Method to Control Pore Formation at the Nanoscale
Electrochemical Nanolithography on Silicon: An Easy and Scalable Method to Control Pore Formation at the Nanoscale Open
Lithography on a sub-100 nm scale is beyond the diffraction limits of standard optical lithography but is nonetheless a key step in many modern technological applications. At this length scale, there are several possible approaches that re…
View article: Deciphering Molecular Mechanisms of Interface Buildup and Stability in Porous Si/Eumelanin Hybrids
Deciphering Molecular Mechanisms of Interface Buildup and Stability in Porous Si/Eumelanin Hybrids Open
Porous Si/eumelanin hybrids are a novel class of organic–inorganic hybrid materials that hold considerable promise for photovoltaic applications. Current progress toward device setup is, however, hindered by photocurrent stability issues, …
View article: Optical and Electronic Properties of Monomers of Eumelanin: A DFT and TD-DFT Computational Study
Optical and Electronic Properties of Monomers of Eumelanin: A DFT and TD-DFT Computational Study Open
We report a systematic investigation on the electronic and optical properties of four monomers which are elementary constituents of some of the protomolecules of eumelanin. Eumelanin is the most important form of melanin which is one of th…