RT Journal Article
T1 Effective index model as a reliable tool for the design of nanostructured thin-film solar cells
A1 Sánchez Ordoñez, Pablo Antonio
A1 Esteban Martínez, Óscar
A1 Hamdy Mohamed Elshorbagy, Mahmoud
A1 Cuadrado Conde, Alexander
A1 Alda, Javier
AB Nanostructured anti-reflection coatings (ARC) are used to reduce the reflectivity of the front surface of solar cells. Computational electromagnetism helps to evaluate the spectral reflectivity of of this type of ARC using several approaches. They typically require large computational resources both in time and hardware elements (memory allocation, speed of processors, etc.). Long computational times may jeopardize optimization processes based on the iterative evaluation of a given merit function that depends on several parameters. Then, simplified analytic methods can speed up this evaluation with moderate computational resources. In this contribution we adapt an Effective Index Model (EIM) to the case of the design of an ARC made with nanoparticles (NP) embedded in a medium at the front surface of a thin-film silicon solar cell. Our approach modifies the discrete dipole approximation method to adapt it to the geometric and material properties of the NPs. The results obtained from the analytic method are compared with those evaluated through a Finite Element Method (FEM) for several cases involving variations in the size and geometry of the NP arrangement, obtaining reflectances that differ less than 10% for the worst case analyzed but bieng about 100 times faster than the FEM.
PB Nature publishing group
SN 2045-2322
YR 2023
FD 2023-04-17
LK https://hdl.handle.net/20.500.14352/73374
UL https://hdl.handle.net/20.500.14352/73374
LA eng
NO Ministerio de Ciencia e Innovación de España
NO Comunidad de Madrid (España)
NO Agencia Estatal de Investigación (AEI) (España) - Fondos FEDER
DS Docta Complutense
RD 6 abr 2025