2015
DOI: 10.1039/c5ee01265a
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Defect migration in methylammonium lead iodide and its role in perovskite solar cell operation

Abstract: Registro de acceso restringido Este recurso no está disponible en acceso abierto por política de la editorial. No obstante, se puede acceder al texto completo desde la Universitat Jaume I o si el usuario cuenta con suscripción. Registre d'accés restringit Aquest recurs no està disponible en accés obert per política de l'editorial. No obstant això, es pot accedir al text complet des de la Universitat Jaume I o si l'usuari compta amb subscripció. Restricted access item This item isn't open access because of publ… Show more

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Cited by 1,412 publications
(1,569 citation statements)
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References 62 publications
(184 reference statements)
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“…[173] Employing the recently invented technique of photothermal induced resonance microscopy (PTIR), Yuan et al [174] observed a MA + ion concentration contrast between before and after poling the device. This redistribution of MA + ions induced by an external electric field clearly indicated the migration of MA + ions and Azpiroz et al [167] proposed the same on the basis of computational studies. However, the extent of the contribution of MA + ions to the hysteresis is still under debate.…”
Section: Wwwadvancedsciencenewscommentioning
confidence: 88%
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“…[173] Employing the recently invented technique of photothermal induced resonance microscopy (PTIR), Yuan et al [174] observed a MA + ion concentration contrast between before and after poling the device. This redistribution of MA + ions induced by an external electric field clearly indicated the migration of MA + ions and Azpiroz et al [167] proposed the same on the basis of computational studies. However, the extent of the contribution of MA + ions to the hysteresis is still under debate.…”
Section: Wwwadvancedsciencenewscommentioning
confidence: 88%
“…Theoretical calculations correlate these values with the respective ionic species. [167] The calculations also show that much higher activation energies would have to be expected for Pb ions (interstitials), [171] thus excluding these species as migrating ions. The calculated value of H + ion activation energy, i.e., the barrier for the proton migration of ≈0.29 eV [172] currently does not allow to rule out the contribution of hydrogen ions to the ionic migration in PSCs, however, it is likely to play only a minor role due to their low concentration, as explained earlier.…”
Section: Wwwadvancedsciencenewscommentioning
confidence: 99%
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“…Both the perovskite absorber layer and the interfaces between the perovskite and the charge extraction layers can have a significant impact upon the long-term stability of the solar cell. [11][12][13][14][15][16] All commercial solar modules are encapsulated in order to enable 25 years of operation. Silicon modules have historically been encapsulated with a polymer back sheet laminated with a hot-melt polymer foil to a glass front sheet, and are moving toward glass-glass laminates to deliver improved stability.…”
Section: Doi: 101002/adma201604186mentioning
confidence: 99%