Photovoltaics for indoor energy harvesting

Nano Energy, Journal Year: 2024, Volume and Issue: 128, P. 109932 - 109932

Published: June 29, 2024

The Internet of Things revolution requires a low-cost, stable, and highly efficient power source to allow autonomous operation smart objects wireless sensors even at very low light levels. Indoor photovoltaics (PV) has the potential fulfil these requirements, providing independence from main grid, portability, improved sustainability for low-consumption devices. Whereas polycrystalline silicon dominates outdoor solar cell market, amorphous is commercially more suited products used inside buildings, delivering higher efficiencies under indoor illumination (with its extremely lower intensities narrower spectra compared sunlight). In recent years, there been remarkable rise in research development new generation photovoltaic cells, i.e., those based on organic, dye-sensitized perovskite absorbers, focused applications with rising well above possible sun reaching surpassing 30 % conversion efficiency threshold. This review provides systematic overview PV devices, highlighting progress achieved strategies design cells as issues be resolved this field continue prosper. We also analyse differences device meant outdoors vs indoors. Markets tapped by harvesting are huge, ranging building-integrated elements consumer products, biomedical communication technologies.

Language: Английский

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Self‐Induced Bi‐interfacial Modification via Fluoropyridinic Acid For High‐Performance Inverted Perovskite Solar Cells

Advanced Energy Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Oct. 31, 2024

Abstract The uncontrolled crystallization of perovskite generates a significant number internal and interfacial defects, posing major challenge to the performance solar cells (PSCs). In this paper, novel bi‐interfacial modification strategy utilizing 5‐fluoropyridinic acid (FPA) is proposed modulate crystal growth provide defect passivation. It demonstrated that FPA self‐deposited at both top bottom interfaces films during thermal annealing. CO N functional groups in serve as chelating agents, binding closely uncoordinated Pb 2+ /Pb clusters, thereby passivating defects reducing charge recombination interfaces. strong chemical interactions between further stabilize Pb‐I framework, promoting formation high‐quality films, confirmed by situ photoluminescence measurements. Consequently, modified inverted PSCs achieved an exceptional power conversion efficiency (PCE) 25.37%. Moreover, devices retained over 93.17% initial after 3000 h continuous illumination under one‐sun equivalent conditions nitrogen atmosphere. This paper presents promising pathway for enhancing stability through self‐induced approach.

Language: Английский

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A review of chalcogenide-based perovskites as the next novel materials: Solar cell and optoelectronic applications, catalysis and future perspectives

Next Nanotechnology, Journal Year: 2024, Volume and Issue: 7, P. 100102 - 100102

Published: Sept. 11, 2024

Language: Английский

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Crystallization control via ligand–perovskite coordination for high-performance flexible perovskite solar cells

Energy & Environmental Science, Journal Year: 2024, Volume and Issue: 17(17), P. 6256 - 6267

Published: Jan. 1, 2024

Crystallization kinetics modulation of high-performance flexible perovskite photovoltaics achieving autonomous energy generation under outdoor settings.

Language: Английский

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Promises and challenges of indoor photovoltaics

Published: Jan. 29, 2025

Language: Английский

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Boosting mechanical durability under high humidity by bioinspired multisite polymer for high-efficiency flexible perovskite solar cells

Nature Communications, Journal Year: 2025, Volume and Issue: 16(1)

Published: Feb. 19, 2025

Abstract Flexible perovskite solar cells (FPSCs) with high stability in moist air are required for their practical applications. However, the poor mechanical under humidity remains a critical challenge flexible devices. Herein, inspired by exceptional wet adhesion of mussels via dopamine groups, we propose multidentate-cross-linking strategy, which combine multibranched structure and adequate anchor sites three-dimensional hyperbranched polymer to directly chelate materials multiple directions, therefore construct vertical scaffold across bulk films from bottom top interfaces, intimately bind grains substrates strong ability, enhance durability humidity. Consequently, modified rigid PSCs achieve superior PCE up 25.92%, while exhibit 24.43% maintain 94.1% initial after 10,000 bending cycles radius 3 mm exposed 65%

Language: Английский

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Dual Interface Passivation With Multi‐Site Regulation Toward Efficient and Stable Inverted Perovskite Solar Cells

Advanced Energy Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 23, 2025

Abstract The rapid crystallization process of perovskite produces a large number defects that remain critical factor disturbs the performance solar cells (PSCs). In this research, these challenges are mitigated by introducing multifunctional 2,6‐pyridinedicarboxylic acid chloride (PAC) as an additive into perovskite. During thermal annealing process, predominant accumulation PAC occurs at upper and buried interfaces film. possesses multiple passivating sites facilitate anchoring lead iodine defects, thereby enhancing quality material across both its dual grain boundaries. With unique property, combined with advantages enhanced crystallization, reduced non‐radiative recombination, boosted charge carrier mobility, optimal energy level alignment, PSC achieved power conversion efficiency (PCE) 25.60% maintained more than 90% after 3000 h under one equivalent light 1400 dark high temperature (85 °C). interface passivation strategy provides sustainable solution to stability environmental for commercialization cells.

Language: Английский

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Materials and methods for cost-effective fabrication of perovskite photovoltaic devices

Communications Materials, Journal Year: 2024, Volume and Issue: 5(1)

Published: Sept. 18, 2024

Language: Английский

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Bipolar Pseudohalide Ammonium Salts Bridged Perovskite Buried Interface toward Efficient Indoor Photovoltaics

Advanced Energy Materials, Journal Year: 2024, Volume and Issue: unknown

Published: June 4, 2024

Abstract Due to the higher photon energy under indoor photovoltaic conditions, using perovskite materials with wider bandgaps has become a consensus. However, updating absorbers requires additional adaptations involving at least two layers of transport and interfaces, increasing development complexity. This study acknowledges that buried interface is primary location for generation photoinduced carriers, achieving efficient carrier separation this will solve most open circuit voltage ( V OC ) loss issues encountered in transitioning from solar photovoltaics photovoltaics. Therefore, class bipolar pseudohalide ammonium salts proposed use as bridging agents effectively resolve lattice misalignment insufficient driving force when broadening bandgap, thereby reducing The optimized device exhibits an excellent photoelectric conversion efficiency (PCE) 41.04%, record‐high 1.08 V. It also demonstrates impressive long‐term operational stability T 80 lifetime 1000 h. Substituting various non‐buried different categories wide‐bandgap does not alter effectiveness, proving its universality.

Language: Английский

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Enhancing Interfacial Contact for Efficient and Stable Inverted Perovskite Solar Cells and Modules

Advanced Functional Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 7, 2025

Abstract Defective perovskite surfaces severely limit the development of inverted solar cells (PSCs). Here, impacts surface treatment are systematically investigated with organic ammonium salts, namely piperidinium iodide (PpI) and piperazinedihydroiodide (PDI), on performance formamidinium‐cesium (FACs)‐based PSCs. These results indicate that PpI, its high dipole moment, tends to form 1D structures surface, which hinders electron transport. By contrast, PDI post‐treatment does not lead formation such structures; instead, it forms a thin passivation layer homogenizes electric potential across surface. This merit in favorable alignment energy levels significant reduction non‐radiative recombination at perovskite/electron transport interface. As result, module (PSM) achieved power conversion efficiency (PCE) 22.08% an aperture area 11.1 cm 2 (certified 21.58%), showing low‐efficiency discrepancy versus small‐area counterpart 25.09%. Notably, PSM can maintain 92.5% initial PCE after continuous 1000 h 1‐sun operation 65 °C ambient air.

Language: Английский

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