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Solar hydrogen production using epitaxial srtio3 on a gaas photovoltaic

One of the grand challenges for creating a sustainable society is to develop practical materials and devices that produce fuels when exposed to sunlight. Solar fuel production, e.g. via photoelectrochemical (PEC) water splitting1–3 or CO2 reduction,4,5 allows the storage of solar energy in chemical.
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Solar hydrogen production using epitaxial srtio3 on a gaas photovoltaic

About Solar hydrogen production using epitaxial srtio3 on a gaas photovoltaic

One of the grand challenges for creating a sustainable society is to develop practical materials and devices that produce fuels when exposed to sunlight. Solar fuel production, e.g. via photoelectrochemical (PEC) water splitting1–3 or CO2 reduction,4,5 allows the storage of solar energy in chemical.

A thin SrTiO3 metal oxide layer of 40 unit cells (∼16 nm-thick) is epitaxially grown32 on GaAs(001) solar cells by molecular beam epitaxy (MBE). A schematic of the 16 nm-thick.

This work demonstrates the robustness of integrating III–V technology with a high-quality single-crystal, epitaxial oxide as a platform for further development of photocathodes for solar fuel production. Using a catalyst-free 16 nm-thick SrTiO3 on np-GaAs, a stable.

The authors (CHA, LK, MDAM, and FJW) acknowledge support from NSF DMR1309868 and EIA acknowledges support from MRSEC DMR-1119826 (CRISP). Support for.

As the photovoltaic (PV) industry continues to evolve, advancements in Solar hydrogen production using epitaxial srtio3 on a gaas photovoltaic have become critical to optimizing the utilization of renewable energy sources. From innovative battery technologies to intelligent energy management systems, these solutions are transforming the way we store and distribute solar-generated electricity.

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Solar hydrogen production using epitaxial SrTiO 3 on a GaAs photovoltaic

For this tunable architecture we demonstrate 100% Faradaic efficiency for hydrogen evolution, and incident photon-to-current efficiencies (IPCE) exceeding 50%. High IPCE for hydrogen evolution is a consequence of the low-loss interface achieved via epitaxial growth of a thin oxide on a GaAs solar cell.

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Solar hydrogen production using epitaxial SrTiO 3 on

Using a catalyst-free 16 nm-thick SrTiO3 on np-GaAs, a stable hydrogen evolution current is produced under 1 Sun with IPCE reaching 50% at the thermodynamic potential of 0 VRHE. Because of the high-quality of the

Solar hydrogen production using epitaxial SrTiO3 on a GaAs photovoltaic

Fig. 3 Spectral response of SrTiO3/np-GaAs devices. (a) Incident photonto-current efficiency (IPCE) in solution at different potentials near 0 VRHE. (b) IPCE of two-contact photovoltaic measurements with no electrolyte with and without SrTiO3 compared to IPCE of photoelectrochemical HER at 0 VRHE (from panel a). Insets show schematics of

Joseph FAUCHER | Brown University, Rhode Island

Solar hydrogen production using epitaxial SrTiO3 on a GaAs photovoltaic. High Performance Ultrathin GaAs Solar Cells Enabled with Heterogeneously Integrated Dielectric Periodic Nanostructures

Minjoo LEE | Associate Professor | PhD

Solar hydrogen production using epitaxial SrTiO3 on a GaAs photovoltaic. Article. Jan 2017; GaAs solar cells. Photovoltaic performance of 10-fold-stack GaAs solar cells exhibited promising

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SrTiO3 can be synthesised by hydrothermal, solvothermal, SSR, MSR, and sol-gel reaction. Use the link below to share a full-text version of this article with your friends and colleagues. as well as to generate hydrogen fuel via photocatalysis process. Besides that, it was noticed that SrTiO 3 can be synthesised in different pathways.

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Despite their excellent photophysical properties and record-high solar-to-hydrogen conversion efficiency, the high cost and limited stability of III–V compound semiconductors prohibit their practical application in solar-driven photoelectrochemical water splitting. Here we present a strategy for III–V photocatalysis that can circumvent these difficulties via printed assemblies of

Solar hydrogen production using epitaxial SrTiO3 on a GaAs photovoltaic

Fig. 1 Physical and electronic structure of the photocathode consisting of an epitaxial oxide grown on a semiconductor solar cell. (a) Schematic of the 16 nm-thick SrTiO3/np-GaAs(001) photocathode (STOPC) at 0 VRHE under illumination, where sunlight is absorbed in the semiconductor solar cell, generating a voltage and driving electrons to the oxide–water

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We demonstrate, for the first time, GaAs thin film solar cells epitaxially grown on a Si substrate using a metal wafer bonding and epitaxial lift-off process. A relatively thin 2.1 μm GaAs buffer layer was first grown on Si as a virtual substrate, and a threading dislocation density of 1.8 × 107 cm−2 was achieved via two In0.1Ga0.9As strained insertion layers and 6× thermal

Solar hydrogen production using epitaxial SrTiO3 on a GaAs photovoltaic

High IPCE for hydrogen evolution is a consequence of the low-loss interface achieved via epitaxial growth of a thin oxide on a GaAs solar cell. Developing optimal energetic alignment across the interfaces of the photoelectrode using well-established III–V technology is

Solar hydrogen production using epitaxial SrTiO3 on a GaAs

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Ji et al. reported that epitaxial SrTiO3/P-Si(001) heterojunction photocathodes loaded with Ti/Pt nanostructured catalysts exhibited a stable photocurrent of 35 mA cm−2 at 0 VRHE over 35 h, thanks to the eﬃcient transfer of photoexcited electrons resulting from the conduction band alignment and lattice match between Si and the productive

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We demonstrate an oxide-stabilized III–V photoelectrode architecture for solar fuel production from water in neutral pH. For this tunable architecture we demonstrate 100%

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Arrays of B-doped p-Si microwires, diffusion-doping with P to form a radial n(+) emitter and subsequently coated with a 1.5-nm-thick discontinuous film of evaporated Pt, were used as photocathodes for H(2) evolution from water to yield thermodynamically based energy-conversion efficiencies. Arrays of B-doped p-Si microwires, diffusion-doped with P to form a

Solar hydrogen production using epitaxial SrTiO 3 on a GaAs

Fig. 1 Physical and electronic structure of the photocathode consisting of an epitaxial oxide grown on a semiconductor solar cell. (a) Schematic of the 16 nm-thick SrTiO 3 /np-GaAs(001) photocathode (STOPC) at 0 V RHE under illumination, where sunlight is absorbed in the semiconductor solar cell, generating a voltage and driving electrons to the oxide–water

Solar hydrogen production using epitaxial SrTiO3 on a GaAs

- "Solar hydrogen production using epitaxial SrTiO3 on a GaAs photovoltaic" Fig. 3 Spectral response of SrTiO3/np-GaAs devices. (a) Incident photonto-current efficiency (IPCE) in

Solar hydrogen production using epitaxial SrTiO3 on a GaAs photovoltaic

We demonstrate an oxide-stabilized III–V photoelectrode architecture for solar fuel production from water in neutral pH. For this tunable architecture we demonstrate 100% Faradaic efficiency for hydrogen evolution, and incident photon-to-current efficiencies (IPCE) exceeding 50%. High IPCE for hydrogen evolu

Solar hydrogen production using epitaxial SrTiO3 on a GaAs

Solar hydrogen production using epitaxial SrTiO 3 on a GaAs photovoltaic† GaAs solar cell. Developing optimal energetic alignment across the interfaces of the photoelectrode Following 24 h solar hydrogen production at 0 V RHE under simulated 1 Sun illumination, cyclic voltammetry of the STOPC shows a HER onset potential of B0.3 V RHE

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Solar hydrogen production using epitaxial SrTiO3 on a GaAs photovoltaic

Solar hydrogen production using epitaxial SrTiO3 on a GaAs photovoltaic L We demonstrate an oxide-stabilized III–V photoelectrode architecture for solar fuel production from water in neutral pH. Y. Zhu, E. I. Altman, M. L. Lee, C. H. Ahn, F. J. Walker, Y. Shao-Horn. "Solar hydrogen production using epitaxial SrTiO3 on a GaAs

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Chemical and electronic structure analysis of a SrTiO3 (001)/p-Ge (001) hydrogen evolution photocathode - Volume 8 Issue 2 T.S., and Nocera, D.G.: Solar energy supply and storage for the legacy and nonlegacy worlds. Chem. Rev. 110, F.J., and Shao-Horn, Y.: Solar hydrogen production using epitaxial SrTiO 3 on a GaAs photovoltaic. Energy

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