Sandy Sanchez Alonso

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Related publications (16)

Highly efficient and rapid manufactured perovskite solar cells via Flash InfraRed Annealing

Sandy Sanchez Alonso, Ulf Anders Hagfeldt, Michael Saliba

This work unveils how to quickly manufacture highly efficient and stable perovskite solar cells (PSCs) using the Flash InfraRed Annealing (FIRA) method. With FIRA, the titanium oxide mesoscopic layer can be synthesized in only 10 min, and the synthesis of ...

2020

Revealing the Perovskite Film Formation Using the Gas Quenching Method by In Situ GIWAXS: Morphology, Properties, and Device Performance

Sandy Sanchez Alonso, Ulf Anders Hagfeldt, Rodrigo Szostak

The optoelectronic properties, morphology, and consequently the performance of metal halide perovskite solar cells are directly related to the crystalline phases and intermediates formed during film preparation. The gas quenching method is compatible with ...

2020

Ultrathin polymeric films for interfacial passivation in wide band-gap perovskite solar cells

Sandy Sanchez Alonso

Wide band-gap perovskite solar cells have the potential for a relatively high output voltage and resilience in a degradation-inducing environment. Investigating the reasons why high voltages with adequate output power have not been realized yet is an under ...

NATURE RESEARCH2020

Flash Infrared Pulse Time Control of Perovskite Crystal Nucleation and Growth from Solution

Sandy Sanchez Alonso, Michael Saliba

Flash infrared annealing (FIRA) of perovskite films enables manufacturing compact perovskite layers for photovoltaic devices. Here, a variable infrared pulse length to control crystal nucleation and growth in perovskite films is investigated. By varying th ...

AMER CHEMICAL SOC2020

Crystal Orientation and Grain Size: Do They Determine Optoelectronic Properties of MAPbI(3) Perovskite?

Sandy Sanchez Alonso, Ulf Anders Hagfeldt, Michael Saliba

Growing large, oriented grains of perovskite often leads to efficient devices, but it is unclear if properties of the grains are responsible for the efficiency. Domains observed in SEM are commonly misidentified with crystallographic grains, but SEM images ...

2019

Flash infrared annealing as a cost-effective and low environmental impact processing method for planar perovskite solar cells

Sandy Sanchez Alonso, Michael Saliba

For successful commercialization of perovskite solar cells, straightforward solutions in terms of environmental impact and economic feasibility are still required. Flash Infrared Annealing (FIRA) is a rapid method to fabricate perovskite solar cells with e ...

2019

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Highly efficient and rapid manufactured perovskite solar cells via Flash InfraRed Annealing

Sandy Sanchez Alonso, Ulf Anders Hagfeldt, Michael Saliba

2020

Flash infrared annealing as a cost-effective and low environmental impact processing method for planar perovskite solar cells

Sandy Sanchez Alonso, Michael Saliba

2019

Revealing the Perovskite Film Formation Using the Gas Quenching Method by In Situ GIWAXS: Morphology, Properties, and Device Performance

Sandy Sanchez Alonso, Ulf Anders Hagfeldt, Rodrigo Szostak

2020