Bi<sub>2</sub>S<sub>3</sub> nanowire networks as electron acceptor layers in solution-processed hybrid solar cells

Whittaker‐Brooks, Luisa; Gao, Jia; Hailey, Anna K.; Thomas, Conor R.; Yao, Nan; Loo, Yueh‐Lin

doi:10.1039/c4tc02534b

Cited by 61 publications

(32 citation statements)

References 74 publications

(92 reference statements)

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“…337,338 Recently, two areas which have seen particular success are its use as a TiO 2 sensitizer, reaching 2.5% efficiency in 2015, 339,340 and in nanostructures. [341][342][343] In particular, hybrid solar cells containing nanocrystalline Bi 2 S 3 in combination with the organic absorber P3HT have seen great progress from the group of Konstantatos and others, with cell efficiencies rising from below 1% in 2011 to 3.3% in 2015, [344][345][346] and the exploration of size-dependent tunability and passivation of surface defects. 347,348…”

Section: Bismuth Sulfidementioning

confidence: 99%

Beyond methylammonium lead iodide: prospects for the emergent field of ns²containing solar absorbers

2017

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The field of photovoltaics is undergoing a surge of interest following the recent discovery of the lead hybrid perovskites as a remarkably efficient class of solar absorber. Of these, methylammonium lead iodide (MAPI) has garnered significant attention due to its record breaking efficiencies, however, there are growing concerns surrounding its long-term stability. Many of the excellent properties seen in hybrid perovskites are thought to derive from the 6s electronic configuration of lead, a configuration seen in a range of post-transition metal compounds. In this review we look beyond MAPI to other ns solar absorbers, with the aim of identifying those materials likely to achieve high efficiencies. The ideal properties essential to produce highly efficient solar cells are discussed and used as a framework to assess the broad range of compounds this field encompasses. Bringing together the lessons learned from this wide-ranging collection of materials will be essential as attention turns toward producing the next generation of solar absorbers.

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Section: Bismuth Sulfidementioning

confidence: 99%

Beyond methylammonium lead iodide: prospects for the emergent field of ns²containing solar absorbers

2017

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“…Bi 2 S 3 is a V–VI semiconductor with a narrow band gap (1.2–1.7 eV), which has attracted a substantial interest because of its advantages of low price, low toxicity and excellent stability . To date, Bi 2 S 3 has been applied to many fields, such as photovoltaic cells, photocatalysis, thermoelectric devices, lithium ion batteries, gas sensors, and so forth.…”

Section: Introductionmentioning

confidence: 51%

“…[7] Bi 2 S 3 is a V-VI semiconductor with a narrow band gap (1.2-1.7 eV), which has attracted a substantial interest because of its advantages of low price, low toxicity and excellent stability. [8][9][10][11] To date, Bi 2 S 3 has been applied to many fields, such as photovoltaic cells, [12] photocatalysis, [13] thermoelectric devices, [14] lithium ion batteries, [15] gas sensors, [16] and so forth. In recent years, Bi 2 S 3 nanomaterials were also attempted to be employed as photocatalysts in photoreduction of Cr(VI) under visible-light irradiation.…”

Section: Introductionmentioning

confidence: 99%

Hydrothermal Synthesis of Urchin‐like Bi₂S₃ Nanostructures for Superior Visible‐light‐driven Cr(VI) Removal Capacity

et al. 2018

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In this work, large amounts of urchin‐like Bi2S3 nanostructures assembled from radially oriented nanorods were prepared by a simple hydrothermal method. The as‐prepared Bi2S3 nanostructures possess an orthorhombic crystal structure with a high crystallinity. More importantly, the obtained Bi2S3 nanostructures are spherical architectures composed of large quantities of nanorods with highly active sites. This attractive architecture can provide a large active surface area for photocatalysis. The photodegradation of Cr(VI) under visible light irradiation indicated that 95% of Cr(VI) was degradated within 30 min using the as‐prepared Bi2S3 nanoparticle as a photocatalyst. Further investigations revealed that the pH value of the solution has a significant effect on the photocatalytic reduction ability as well. Significantly, the kinetic constant of urchin‐like Bi2S3 nanostructures for Cr(VI) degradation is about 100 times that of Bi2S3 nanoflowers and commercial P25. Furthermore, the photocurrent of urchin‐like Bi2S3 nanostructures is still higher than that of Bi2S3 nanoflowers. We believed that the urchin‐like Bi2S3 nanostructures are promising materials for Cr(VI) photoreduction.

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“…[50,51] A weak doublet, representative of S 2p, observed at 161.26 and 162.70 eV (blue line)) corresponds to S 2À state in Bi 2 S 3 with spin-orbital energy splitting of %1.44 eV. [49,50,52] The deconvoluted spectrum of S 2s level (Figure 4c) exhibits a peak at %225.6 eV, implying S 2À state in Bi 2 S 3 . In addition, abroad peak observed at 227.8 eV can be ascribed to metal sulfites SO x (x < 3) or S 8 species.…”

Section: X-ray Photoelectron Spectroscopy Studiesmentioning

confidence: 99%

Realization of Efficient Field Emitter Based on Reduced Graphene Oxide‐Bi₂S₃ Heterostructures

Gote

Bhopale

et al. 2019

Physica Status Solidi (a)

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Herein, Bi2S3 nanorods and reduced graphene oxide (rGO)‐Bi2S3 heterostructures are synthesized using a simple hydrothermal method. The structural, morphological, chemical, and elemental analysis of as‐synthesized materials is performed using X‐ray diffraction (XRD), Raman spectroscopy, field‐emission scanning electron microscopy (FESEM), transmission electron microscopy (TEM), and X‐ray photoelectron spectroscopy (XPS). Field emission (FE) studies are carried out on both pristine Bi2S3 nanorods and rGO‐Bi2S3 heterostructure samples at a base pressure of ≈1 × 10−8 mbar. The results show that the rGO‐Bi2S3 heterostructure emitter has superior FE performance compared to pristine Bi2S3 emitters in terms of the turn‐on field (2.6 V μm−1 at 10 μA cm−2) and threshold field (4.0 V μm−1 at 100 μA cm−2) along with a high emission current density of ≈1464 μA cm−2 at an applied electric field of 7.0 V μm−1. The rGO‐Bi2S3 heterostructure emitter exhibits very good emission current stability, tested for more than 3 h duration, characterized by standard deviation values ≈2.84 and 4.06, corresponding to preset values 12 and 100 μA. This study implies that one‐step hydrothermal route can be efficiently used to synthesize organic–inorganic heterostructures that possess unique morphology. Furthermore, the synthesized rGO‐Bi2S3 heterostructure emitter shows potential as an electron source for practical application in vacuum microelectronic devices.

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Bi₂S₃ nanowire networks as electron acceptor layers in solution-processed hybrid solar cells

Abstract: We report the assembly of Bi2S3 into percolated networks.

Cited by 61 publications

References 74 publications

Beyond methylammonium lead iodide: prospects for the emergent field of ns²containing solar absorbers

Beyond methylammonium lead iodide: prospects for the emergent field of ns²containing solar absorbers

Hydrothermal Synthesis of Urchin‐like Bi₂S₃ Nanostructures for Superior Visible‐light‐driven Cr(VI) Removal Capacity

Realization of Efficient Field Emitter Based on Reduced Graphene Oxide‐Bi₂S₃ Heterostructures

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Bi2S3 nanowire networks as electron acceptor layers in solution-processed hybrid solar cells

Abstract: We report the assembly of Bi2S3 into percolated networks.

Cited by 61 publications

References 74 publications

Beyond methylammonium lead iodide: prospects for the emergent field of ns2containing solar absorbers

Beyond methylammonium lead iodide: prospects for the emergent field of ns2containing solar absorbers

Hydrothermal Synthesis of Urchin‐like Bi2S3 Nanostructures for Superior Visible‐light‐driven Cr(VI) Removal Capacity

Realization of Efficient Field Emitter Based on Reduced Graphene Oxide‐Bi2S3 Heterostructures

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Bi₂S₃ nanowire networks as electron acceptor layers in solution-processed hybrid solar cells

Beyond methylammonium lead iodide: prospects for the emergent field of ns²containing solar absorbers

Beyond methylammonium lead iodide: prospects for the emergent field of ns²containing solar absorbers

Hydrothermal Synthesis of Urchin‐like Bi₂S₃ Nanostructures for Superior Visible‐light‐driven Cr(VI) Removal Capacity

Realization of Efficient Field Emitter Based on Reduced Graphene Oxide‐Bi₂S₃ Heterostructures