The Thermodynamic Limit of Indoor Photovoltaics Based on Energetically‐Disordered Molecular Semiconductors

Kay, Austin; Fitzsimons, Maura; Burwell, Gregory; Meredith, Paul; Armin, Ardalan; Sandberg, Oskar J.

doi:10.1002/solr.202300277

Cited by 5 publications

(3 citation statements)

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“…Indoor lighting conditions are highly variable with mixed artificial and natural sources (Seunarine et al, 2023). Recognizing this, Kay et al (2023) have developed predictive simulation tools to help design PV for different indoor environments.…”

Section: Solar Energy In the Built Environmentmentioning

confidence: 99%

Solar energy for societal decarbonisation: a perspective on emerging opportunities in utility-scale solar electricity and solar in the built environment

Meredith

2024

Front. Sustain. Cities

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The solar resource presents almost limitless opportunities for creating clean energy – not just in the form of solar-derived electricity, but also to drive heating and cooling cycles, create solar fuels, or indeed to promote chemical and biochemical pathways for the production of food, clean water and raw materials. There is an ever-expanding plethora of applications for solar energy as a critical contributor to global decarbonization. This short Perspective is focused on two of the largest opportunities for solar energy to make major emissions reduction and deliver societal fairness and economic impacts: notably utility-scale electricity generation and the more local opportunities of the built environment. We examine the two dominant forms of solar energy – the direct generation of electrical power via the photovoltaic effect, and the indirect generation of electricity (and indeed heating and cooling energy) through solar thermal cycles. As a Perspective, it provides necessary background for the general reader, but also seeks to emphasise the specific challenges and opportunities for the interested specialist.

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Section: Solar Energy In the Built Environmentmentioning

confidence: 99%

Solar energy for societal decarbonisation: a perspective on emerging opportunities in utility-scale solar electricity and solar in the built environment

Meredith

2024

Front. Sustain. Cities

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“…To this end, the accurate characterization of IPV devices is an area of increasing research attention, with recent reports outlining the influence of experimental factors such as illumination masks, beam homogeneity, stray light, and spectral verification. [ 18,19 ]…”

Section: Introductionmentioning

confidence: 99%

Wide‐Gap Perovskites for Indoor Photovoltaics

Burwell,

Zeiske,

Caprioglio

et al. 2024

Solar RRL

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Organic–inorganic halide perovskite semiconductors have revolutionized next‐generation photovoltaics (PV) due to several characteristics such as solution‐processability, gap tunability, and excellent charge generation and transport properties. This has made them very adaptable for various applications in light harvesting and photodetection. One such rapidly growing application is indoor photovoltaics (IPV) which have the potential to power standalone Internet of Things devices. IPV requires wider optimal bandgaps than solar cells (1.8 vs 1.3 eV) due to the differences between the spectra of artificial lights versus solar radiation. For IPV applications, the active layer wide‐gap perovskite must be developed systemically considering all other components of the device, such as interlayers, electrodes, and scaling. This perspective provides an overview of the potential and challenges facing perovskite‐based IPV from a theoretical, material, and experimental perspective. Furthermore, accurate characterization of perovskite IPVs under simulated indoor conditions is discussed and candidate perovskite PV (PPV) systems are presented to provide insight into IPV development. These include IPV‐optimized formamidinium cesium‐based perovskite, wide‐gap p‐i‐n devices, and 2D perovskite devices, tested under spectrophotometrically calibrated LED illumination at various indoor‐relevant illuminances and benchmarked against thermodynamic predictions. Finally, strategies required to create stable, optimized PPV devices for indoor applications are discussed.

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“…Furthermore, the cost-effectiveness of OPV production acts as an additional incentive for its use. 16,18–35 On the other hand, when it comes to outdoor use, OPVs have various disadvantages. These include lower efficiency due to their restricted absorption band, which limits their practicality for energy-intensive outdoor scenarios that rely on optimizing energy output.…”

Section: Introductionmentioning

confidence: 99%