Search results for "EQE"

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External quantum efficiency measurements used to study the stability of differently deposited perovskite solar cells

2020

The instability exhibited by perovskite solar cells when exposed to the environment under illumination is one of the major obstacles for the entry of perovskite technology in the photovoltaic market. In this work, we use the external quantum efficiency (EQE) technique to study the photoinduced degradation of two types of solar cells having CH3NH3PbI3 as an absorber layer: one deposited by spin coating with an n-i-p architecture and the other deposited by evaporation with an inverted p-i-n structure. We also study the effect of different encapsulants to protect the cells against atmospheric agents. We find that EQE provides information regarding the areas of the cell most susceptible to degr…

Materials scienceInfraredGeneral Physics and Astronomy02 engineering and technology01 natural sciencesInstability//purl.org/becyt/ford/1 [https]EQE0103 physical sciencesMaterialsCèl·lules fotoelèctriques010302 applied physicsSpin coatingSTABILITYbusiness.industryPhotovoltaic systemSOLAR CELLS//purl.org/becyt/ford/1.3 [https]021001 nanoscience & nanotechnologyPEROVSKITES//purl.org/becyt/ford/2 [https]OptoelectronicsQuantum efficiencyAbsorbent material0210 nano-technologybusiness//purl.org/becyt/ford/2.5 [https]

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PEPhysical Sciences and Engineering
- PE2Fundamental Constituents of Matter
  - PE2_1Theory of fundamental interactions
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  - PE2_10Atomic, molecular physics
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  - PE2_18Equilibrium and non-equilibrium statistical mechanics: steady states and dynamics
  - PE2_14Lasers, ultra-short lasers and laser physics
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  - PE2_16Non-linear physics
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LSLife Sciences
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SHSocial Sciences and Humanities
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