Low-cost 3D nanocomposite solar cells obtained by electrodeposition of CuInSe2

Valdes, Matias Hernan; Frontini, M.A.; Vázquez, M.; Goossens, Albert

doi:10.1016/j.apsusc.2007.07.063

Cited by 23 publications

(24 citation statements)

References 12 publications

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“…Fully spray deposited TiO 2 /In 2 S 3 /CIS devices using deposition temperatures up to 300 °C in air and PCEs up to 7% were reported by Goossens and Hofhuis . Using electrodeposition and an annealing step at 350 °C, Valdés et al fabricated CISe BHSCs reaching moderate efficiencies . More recently, Nguyen et al fabricated CIS-based BHSCs using nanocrystalline titania, spray pyrolyzed CIS, and a chemical bath deposited In x (OH) y S z buffer layer, reaching up to 3.2% PCE .…”

Section: Photovoltaic Applicationsmentioning

confidence: 99%

Compound Copper Chalcogenide Nanocrystals

et al. 2017

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This review captures the synthesis, assembly, properties, and applications of copper chalcogenide NCs, which have achieved significant research interest in the last decade due to their compositional and structural versatility. The outstanding functional properties of these materials stems from the relationship between their band structure and defect concentration, including charge carrier concentration and electronic conductivity character, which consequently affects their optoelectronic, optical, and plasmonic properties. This, combined with several metastable crystal phases and stoichiometries and the low energy of formation of defects, makes the reproducible synthesis of these materials, with tunable parameters, remarkable. Further to this, the review captures the progress of the hierarchical assembly of these NCs, which bridges the link between their discrete and collective properties. Their ubiquitous application set has cross-cut energy conversion (photovoltaics, photocatalysis, thermoelectrics), energy storage (lithium-ion batteries, hydrogen generation), emissive materials (plasmonics, LEDs, biolabelling), sensors (electrochemical, biochemical), biomedical devices (magnetic resonance imaging, X-ray computer tomography), and medical therapies (photochemothermal therapies, immunotherapy, radiotherapy, and drug delivery). The confluence of advances in the synthesis, assembly, and application of these NCs in the past decade has the potential to significantly impact society, both economically and environmentally.

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Section: Photovoltaic Applicationsmentioning

confidence: 99%

Compound Copper Chalcogenide Nanocrystals

et al. 2017

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“…Valdes et al . 128 electrodeposited CuInSe 2 on nanocrystallites of anatase (n‐type TiO 2 ). In these nanostructured materials, the p–n junction is distributed in space, which allows reduction of the minority carrier diffusion length to a few tens of nanometers.…”

Section: Electrochemical Processes For Cigs Depositionmentioning

confidence: 99%

Non‐vacuum methods for formation of Cu(In, Ga)(Se, S)₂ thin film photovoltaic absorbers

Hibberd

Chassaing

Liu³

et al. 2010

Progress in Photovoltaics

321

196

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Polycrystalline thin films of copper indium diselenide and its alloys with gallium and sulphur (CIGS) have proven to be suitable for use as absorbers in high-efficiency solar cells. Record efficiency devices of 20% power conversion efficiency have been produced by co-evaporation of the elements under high vacuum. However, non-vacuum methods for absorber deposition promise significantly lower capital expenditure and reduced materials costs, and have been used to produce devices with efficiencies of up to 14%. Such efficiencies are already high enough for commercial up-scaling to be considered and several companies are now trying to develop products based on non-vacuum deposited CIGS absorbers. This article will review the wide range of non-vacuum techniques that have been used to deposit CIGS thin films, highlighting the state of the art and efforts towards commercialization.

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“…In addition, 3-D solar cells are easily fabricated by non-vacuum methods such as spray pyrolysis and chemical bath depositions; consequently, they are well-known as low cost solar cells. The major photoabsorber materials in the 3-D compound solar cells have been CuInS 2 [1-4,9], CuInSe 2 [10], Se [11], Sb 2 S 3 [12-17], CdSe [18,19], and CdTe [20,21]. In the 3-D compound solar cells, the buffer layer between the TiO 2 and absorber layer was commonly utilized to block charge recombination between electrons in TiO 2 and holes in hole-transport materials [1-4,9,10,12-16].…”

Section: Introductionmentioning

confidence: 99%

3-D solar cells by electrochemical-deposited Se layer as extremely-thin absorber and hole conducting layer on nanocrystalline TiO2 electrode

et al. 2013

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A three-dimensional selenium solar cell with the structure of Au/Se/porous TiO2/compact TiO2/fluorine-doped tin oxide-coated glass plates was fabricated by an electrochemical deposition method of selenium, which can work for the extremely thin light absorber and the hole-conducting layer. The effect of experimental conditions, such as HCl and H2SeO3 in an electrochemical solution and TiO2 particle size of porous layers, was optimized. This kind of solar cell did not use any buffer layer between an n-type electrode (porous TiO2) and a p-type absorber layer (selenium). The crystallinity of the selenium after annealing at 200°C for 3 min in the air was significantly improved. The cells with a selenium layer deposited at concentrations of HCl = 11.5 mM and H2SeO3 = 20 mM showed the best performance, resulting in 1- to 2-nm thickness of the Se layer, short-circuit photocurrent density of 8.7 mA/cm2, open-circuit voltage of 0.65 V, fill factor of 0.53, and conversion efficiency of 3.0%.

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Low-cost 3D nanocomposite solar cells obtained by electrodeposition of CuInSe2

Cited by 23 publications

References 12 publications

Compound Copper Chalcogenide Nanocrystals

Compound Copper Chalcogenide Nanocrystals

Non‐vacuum methods for formation of Cu(In, Ga)(Se, S)₂ thin film photovoltaic absorbers

3-D solar cells by electrochemical-deposited Se layer as extremely-thin absorber and hole conducting layer on nanocrystalline TiO2 electrode

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Low-cost 3D nanocomposite solar cells obtained by electrodeposition of CuInSe2

Cited by 23 publications

References 12 publications

Compound Copper Chalcogenide Nanocrystals

Compound Copper Chalcogenide Nanocrystals

Non‐vacuum methods for formation of Cu(In, Ga)(Se, S)2 thin film photovoltaic absorbers

3-D solar cells by electrochemical-deposited Se layer as extremely-thin absorber and hole conducting layer on nanocrystalline TiO2 electrode

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Product

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Non‐vacuum methods for formation of Cu(In, Ga)(Se, S)₂ thin film photovoltaic absorbers