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In our work, we are interested in studying the transformation phenomenon of single crystal silicon layers into nanostructured silicon. Several samples of porous silicon were made by electrochemical anodization on Si (100) P-type and Si (100) N-type substrates, by varying some experimental parameters such as current intensity and anodization duration and the composition of the electrolyte. In order to carry out our work, we characterized the properties of the elaborated layers by different methods of morphological, structural and optoelectronic characterization: SEM, photoluminescence (PL),…mehr

Produktbeschreibung
In our work, we are interested in studying the transformation phenomenon of single crystal silicon layers into nanostructured silicon. Several samples of porous silicon were made by electrochemical anodization on Si (100) P-type and Si (100) N-type substrates, by varying some experimental parameters such as current intensity and anodization duration and the composition of the electrolyte. In order to carry out our work, we characterized the properties of the elaborated layers by different methods of morphological, structural and optoelectronic characterization: SEM, photoluminescence (PL), Infra Red (FTIR), ES Ellipsometry and Reflectance measurement. The results of the analyses allowed us to highlight the influence of the anodization parameters and in particular the current intensity and the anodization duration. The calculation of the porosity of the nanostructured layers gives us a variation of the latter ranging from 45 to 80%. By a judicious choice of the experimental parameters it is possible to control the size of the nanostructures and the porosity of the elaborated samples.
Autorenporträt
RAHMOUNI SALAH é um professor da classe "A", e chefe de departamento na ENSET de Skikda. Licenciado pela ENSET especializado em electrónica, detentor de um magister e depois doutorado em electrónica, materiais opcionais e componentes da Universidade de Skikda, depois a Universidade de Habilitação (HDR) em engenharia eléctrica da Universidade de Guelma.