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  • Title: Rear-Sided Passivation by SiNx:H Dielectric Layer for Improved Si/PEDOT:PSS Hybrid Heterojunction Solar Cells.
    Author: Sun Y, Gao P, He J, Zhou S, Ying Z, Yang X, Xiang Y, Ye J.
    Journal: Nanoscale Res Lett; 2016 Dec; 11(1):310. PubMed ID: 27352263.
    Abstract:
    UNLABELLED: Silicon/organic hybrid solar cells have recently attracted great attention because they combine the advantages of silicon (Si) and the organic cells. In this study, we added a patterned passivation layer of silicon nitride (SiNx:H) onto the rear surface of the Si substrate in a Si/poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) ( PEDOT: PSS) hybrid solar cell, enabling an improvement of 0.6 % in the power conversion efficiency (PCE). The addition of the SiNx:H layer boosted the open circuit voltage (V oc) from 0.523 to 0.557 V, suggesting the well-passivation property of the patterned SiNx:H thin layer that was created by plasma-enhanced chemical vapor deposition and lithography processes. The passivation properties that stemmed from front PEDOT: PSS, rear-SiNx:H, front PEDOT: PSS/rear-SiNx:H, etc. are thoroughly investigated, in consideration of the process-related variations.
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