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Impedance modeling of silica nanoparticle metal insulator metal capacitors

Autor
Veliz, B.; Bermejo, S.; Orpella, A.; Castañer, L.
Tipus d'activitat
Article en revista
Revista
Electrochimica acta
Data de publicació
2018-08-01
Volum
280
Pàgina inicial
62
Pàgina final
70
DOI
https://doi.org/10.1016/j.electacta.2018.05.084 Obrir en finestra nova
Projecte finançador
Ciencia y tec. de instrumentos espaciales para la caracterización del ambiente marciano en múltiples misiones de NASA: Sensor de viento 3D.
Células solares de silicio cristalino con contactos posteriores basadas en el procesado láser de capas dieléctricas
Repositori
http://hdl.handle.net/2117/117839 Obrir en finestra nova
URL
https://www.sciencedirect.com/science/article/pii/S0013468618311162 Obrir en finestra nova
Resum
In this study, we have fabricated metal-insulator-metal (MIM) capacitors where the insulator layer is made of 255¿nm diameter silica nanospheres. The MIM devices have been characterized and modeled by electrochemical impedance spectroscopy (EIS) and charge-discharge transients. Fitting the results with modified Randles models agreed well with three constant phase elements, three leakage resistors, and a Warburg element. According to the results of the fitting of the charge-discharge measurement...
Paraules clau
Constant phase element, Electrochemical impedance spectroscopy, Electrospray, Metal-insulator-metal, Silica nanospheres, Warburg impedance
Grup de recerca
MNT - Grup de Recerca en Micro i Nanotecnologies

Participants