Spectrum on demand light source (SOLS) for advanced photovoltaic characterization

Author:

Casademont-Viñas Miquel1ORCID,Gibert-Roca Martí1ORCID,Campoy-Quiles Mariano1ORCID,Goñi Alejandro R.12ORCID

Affiliation:

1. Materials Science Institute of Barcelona, ICMAB-CSIC, Campus of the UAB 1 , 08193 Bellaterra, Barcelona, Spain

2. ICREA, Passeig Lluís Companys 23 2 , 08010 Barcelona, Spain

Abstract

We report a multi-purpose spectrum-on-demand light source (SOLS), conceived primarily but not exclusively for the multiple and advanced characterization of photovoltaic (PV) materials and devices. The apparatus is a spectral shaper illumination device, providing a tunable and spectrally shaped light beam produced by modulating the intensity and/or wavelength range of a primary light source. SOLS stands out from the state of the art because it produces almost any spectrum on demand and delivers two types of output: a spectrally shaped and spatially homogeneous beam over its cross section for areal illumination or a spatially and spectrally split beam into its wavelength components, a unique capability suited to characterize lateral-tandem (Rainbow) solar cells. The tuneability from broadband to narrowband illumination enables two characterization devices into one, namely, a solar simulator for the determination of the power conversion efficiency and an external quantum efficiency measuring system. We expect the SOLS setup to accelerate material screening, enabling the discovery and optimization of novel multi-component materials and devices, in particular for emergent PV technologies like organic, metal halide perovskites, or multi-junction geometries, as well as novel PV applications such as indoors, building integrated, or agrivoltaics, among others.

Funder

Ministerio de Ciencia e Innovación

Ministerio de Educación y Formación Profesional

Agència de Gestió d’Ajuts Universitaris i de Recerca

Publisher

AIP Publishing

Subject

Instrumentation

Reference35 articles.

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