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Stabilization of the J-V characteristic of a perovskite solar cell using an intelligent control loop

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electronics-10-00121-v2.pdf (6,571Mb)
 
10.3390/electronics10020121
 
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hdl:2117/365705

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Bheesayagari, Chenna Reddy
Martínez-Denegrí Sánchez, Guillermo
Orpella García, AlbertoMés informacióMés informacióMés informació
Pons Nin, JoanMés informacióMés informacióMés informació
Bermejo Broto, SandraMés informacióMés informacióMés informació
Alcubilla González, RamónMés informacióMés informacióMés informació
Martorell Pena, JordiMés informacióMés informacióMés informació
Domínguez Pumar, ManuelMés informacióMés informacióMés informació
Document typeArticle
Defense date2021-01-02
Rights accessOpen Access
Attribution-NonCommercial-NoDerivs 3.0 Spain
This work is protected by the corresponding intellectual and industrial property rights. Except where otherwise noted, its contents are licensed under a Creative Commons license : Attribution-NonCommercial-NoDerivs 3.0 Spain
Abstract
The phenomena related to charge trapping are among the most relevant open issues that affect the long-term stability of perovskite-based devices. According to this, the objective of this paper is to report experimental results in which a charge control strategy is used for the first time in a solar cell structure that has a high trap density perovskite absorber. This device has also noticeable J-V hysteresis, produced by non-capacitive effects. The control strategy proposed, based on sigma-delta modulation, applies to the device an appropriate sequence of voltage waveforms determined after periodical current measurements made at a constant voltage. The experimental results obtained and the fittings made with a phenomenological model indicate that this approach allows controlling several charge-related effects. As a consequence, the J-V characteristic of the device is successfully shifted and stabilized to predetermined positions.
CitationBheesayagari, C. [et al.]. Stabilization of the J-V characteristic of a perovskite solar cell using an intelligent control loop. "Electronics (Switzerland)", 2 Gener 2021, vol. 10, núm. 121, p. 1-14. 
URIhttp://hdl.handle.net/2117/365705
DOI10.3390/electronics10020121
ISSN2079-9292
Publisher versionhttps://www.mdpi.com/2079-9292/10/2/121
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