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Tandem solar cells for water electrolysis

Tandem solar cells for water electrolysis

A hetero-tandem organic photovoltaic (OPV) device consisting of large (PM6:IT-M) and small-bandgap (PM6:Y6) bulk-heterojunctions is developed to provide an open-circuit voltage of 1.84 V and a power-c...

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Optimized photoelectrochemical tandem cell for solar water splitting

DOI: 10.1016/J.ENSM.2017.12.017 Corpus ID: 139658073; Optimized photoelectrochemical tandem cell for solar water splitting @article{Vilanova2017OptimizedPT, title={Optimized photoelectrochemical tandem cell for solar water splitting}, author={Ant{''o}nio Vilanova and T{^a}nia Lopes and Carsten Spenke and Michael Wullenkord and Ad{''e}lio M. Mendes},

Sep 20, 2025
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All-Perovskite Tandem Solar Cells: A Roadmap to

DOI: 10.1021/ACCOUNTSMR.0C00017 Corpus ID: 225001865; All-Perovskite Tandem Solar Cells: A Roadmap to Uniting High Efficiency with High Stability @article{Zheng2020AllPerovskiteTS, title={All-Perovskite Tandem Solar Cells: A Roadmap to Uniting High Efficiency with High Stability}, author={Xiaopeng Zheng and Abdullah Y.

Oct 03, 2025
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Toward Tandem Solar Cells for Water Splitting Using Polymer Electrolytes

Toward Tandem Solar Cells for Water Splitting Using Polymer Electrolytes Ainhoa Cots,† Pedro Bonete,† David Sebastian,́ ‡,§ Vincenzo Baglio,‡ Antonino S. Aricò,‡ and Roberto Gómez *,† †Departament de Química Física i Institut Universitari d''Electroquímica, Universitat d''Alacant, Apartat 99, E-03080 Alicante, Spain ‡Consiglio Nazionale delle Ricerche Instituto di

Jan 30, 2026
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A molecular tandem cell for efficient solar water splitting

There are few literature examples that report single-electrode water splitting without an applied bias (12, 13).Multijunction photoelectrochemical solar cell configurations that focus on hydrogen production have appeared in the literature (14, 15).They include: 1) photoanode/photocathode tandem cells with both reactions driven by light; 2) integrated

Jun 22, 2026
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Performance and stability analysis of all-perovskite tandem

Here we report a laboratory-scale solar-assisted water-splitting system using an electrochemical flow cell and an all-perovskite tandem solar cell. We begin by treating the

Jan 15, 2026
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A molecular tandem cell for efficient solar water splitting

Journal Article: A molecular tandem cell for efficient solar water splitting Title: A molecular tandem cell for efficient solar water splitting Journal Article · Tue Jun 16 00:00:00 EDT 2020 · Proceedings of the National Academy of Sciences of the United States of America

Jan 08, 2026
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High-Photovoltage All-Perovskite Tandem Solar Cells for

High-Photovoltage All-Perovskite Tandem Solar Cells for Photovoltaic-Electrolysis Water-Splitting Applications. 2222-2225. Paper presented at 48th IEEE Photovoltaic Specialists Conference, PVSC 2021, Fort Lauderdale, United States.

Dec 13, 2025
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Beating the Efficiency of Photovoltaics-Powered Electrolysis with

This Viewpoint addresses the efficiency of solar water splitting systems, proposing power management and light management schemes that enable boosting the efficiency of PV–PEC tandem cells with minimal changes in system components and therefore with minimal add-on costs. Thus, the proposed schemes are expected to improve the competitiveness

Apr 08, 2026
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Efficient solar-driven water splitting by nanocone BiVO

We also demonstrate that the PEC cell in tandem with a single perovskite solar cell exhibits unassisted water splitting with a solar-to-hydrogen conversion efficiency of up to 6.2%.

Oct 09, 2025
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Efficient solar-driven water splitting performance of S-doped NiFe

For solar driven water splitting, the solar to hydrogen efficiency (STH) of the PVE assembled on S–NiFe-LDH@NF was close to the theoretical STH value under simulated AM 1.5G solar irradiation. Furthermore, the effects of light intensity, electrolyte temperature and concentration, and electrode area on STH efficiency of PVE were investigated. The results

Feb 20, 2026
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Solar Water Splitting with Perovskite/Silicon Tandem Cell and TiC

ing three silicon solar cells connected in series.16 Here, we introduce a 2-terminal perovskite/monocrystalline silicon (perovskite/Si) tandem solar cell with aVoc of 1.76 V as a low-cost alternative to III-V multi-junction solar cells to drive water splitting.17 Water photo-electrolysis was carried out in an

Mar 04, 2026
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New Record Efficiency for Tandem Solar Cell Technology

25.9 Percent for III-V/Si Tandem Solar Cells Grown Directly on Silicon. Several different approaches for producing combinations of III-V and silicon solar cells exist. For example, Fraunhofer ISE holds the world record efficiency of 34.1 (new 34.5) percent for a tandem solar cell in which the III-V semiconductor layers are transferred from a

Oct 17, 2025
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Tandem photoelectrochemical cells for solar water

Very recently, a photovoltaic-electrolysis (PV-EL) system, which is another type of cell devices for solar water splitting, As the Si photocathode exhibits a band gap of 1.1 eV, it acts as an important candidate for the tandem

Apr 18, 2026
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A molecular tandem cell for efficient solar water splitting

DOI: 10.1073/pnas.2001753117 Corpus ID: 219168531; A molecular tandem cell for efficient solar water splitting @article{Wang2020AMT, title={A molecular tandem cell for efficient solar water splitting}, author={Degao Wang and Jun Hu and Benjamin D. Sherman and Matthew V. Sheridan and Liang Yan and Christopher J. Dares and Yong-kuan Zhu and Fei Li and Qing Huang and

Aug 13, 2025
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A molecular tandem cell for efficient solar water splitting

We describe here a tandem photoelectrochemical cell design that combines a dye-sensitized photoelectrosynthesis cell (DSPEC) and an organic solar cell (OSC) in a photoanode for water oxidation.

Jul 25, 2025
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Full spectrum solar hydrogen production by tandems of perovskite solar

Based on the superior OER activity and photothermal properties, an unbiased water splitting system is constructed by integrating a CNTs@NiFe LDH//Pt/C electrochemical cell (EC) with a semitransparent perovskite solar cell (ST-PSC) mini-module in tandem configuration.

Oct 20, 2025
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Beating the Efficiency of Photovoltaics

water electrolysis. Additional overpotential losses arise from internal resistance (aka Ohmic) losses in the electrolyte and at the membrane that separates the reaction products, that is, H 2 and O 2 gases. As a result, the solar to hydrogen (STH) conversion efficiency of PV-electrolysis systems is lower by ≥30% relative to the PCE of the PV cells that drive them. With a PCE of

May 22, 2026
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Integration of renewable energy sources in tandem with electrolysis

Grubb developed the first Proton Exchange Membrane Electrolysis Cell (PEMEC) water electrolysis in the early 1950s, and GE created alkaline water electrolysis in 1966 to address its shortcomings. PEMEC fuel cells use solid polysulfonated membranes (fumapem®, Nafion®) as an electrolyte (proton conductor), and PEMEC water electrolysis technology uses solid

Jul 16, 2025
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Photoelectrochemical Tandem Cells for Solar Water Splitting

into hydrogen fuel using a photoelectrochemical tandem cell. 2. DIRECT SOLAR WATER SPLITTING WITH PHOTOELECTROCHEMICAL CELLS Compared to the PV + electrolysis approach, a more straightforward path to light-driven chemical transformations is to directly interface a semiconductor and the electrolyte as in a photoelectrochemical (PEC)

Jul 26, 2025
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Photoelectrochemical and photovoltaic characteristics of

In this study amorphous silicon tandem solar cells are successfully utilized as photoelectrodes in a photoelectrochemical cell for water electrolysis. The tandem cells are modified with various amounts of platinum and are combined with a ruthenium oxide counter electrode. In a two-electrode arrangem

Aug 29, 2025
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Optimized photoelectrochemical tandem cell for solar water splitting

Hydrogen produced from solar water splitting is considered a low-cost and clean route for storing the solar energy, promising to display a solar-to-hydrogen (STH) conversion efficiency of 12% . Water electrolysis is a well-known process, which has

May 11, 2026
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Photoelectrochemical Tandem Cells for Solar Water

A promising approach that meets these requirements is the combination of stable and inexpensive oxide semiconductor electrodes in a tandem photoelectrochemical device. In this article, we give an overview of the

May 16, 2026
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Solar Water Splitting with Perovskite/Silicon Tandem Cell and TiC

Perovskite solar cells (PSCs) have recently emerged as an attractive contender for low-cost photovoltaics, reaching a certified power conversion efficiency of 25.2%. 14 However, the voltage of highly efficient PSCs at their maximum power point remains below the minimum of 1.23 V required for driving water electrolysis. To meet this voltage need, we previously

Nov 17, 2025
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Solar Water Splitting with Perovskite/Silicon Tandem Cell and TiC

Here, we introduce a 2-terminal perovskite/monocrystalline silicon (perovskite/Si) tandem solar cell with a V oc of 1.76 V as a low-cost alternative to III-V multi-junction solar cells to drive water splitting. 17 Water photo-electrolysis was carried out in an alkaline electrolyte using highly dispersed platinum (Pt) nanoclusters and NiFe

Sep 07, 2025
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Monocrystalline silicon-based tandem configuration for solar-to

For PV-EWS applications, as single-junction silicon solar cells are only capable of low V oc values of around 0.55 V, two or three of these single cells must be connected in series to fulfil the potential requirement for water electrolysis, which further increases the manufacturing cost . While thin film Si-based multi-junction PV devices are a potential option for low-cost

Nov 19, 2025
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Solar Water Splitting with Perovskite/Silicon Tandem Cell and TiC

A highly efficient solar water splitting system using TiC supported Pt nanocluster catalyst for hydrogen evolution and nickel-iron layered double hydroxide catalyst for oxygen evolution and

Feb 23, 2026
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Spontaneous solar water splitting by DSSC/CIGS tandem solar cells

Schematic charge flow within the proposed PV electrolysis cell equipped with two DSSC/CIGS tandem solar cells, a Pt cathode, and a SUS304 anode for photoelectrochemical water splitting. Finally, the amounts of H 2 and O 2 produced were analyzed by gas chromatography to confirm the real spontaneous water splitting with the present electrolysis

Apr 14, 2026
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High-Photovoltage All-Perovskite Tandem Solar Cells for

DOI: 10.1109/PVSC43889.2021.9518464 Corpus ID: 237329710; High-Photovoltage All-Perovskite Tandem Solar Cells for Photovoltaic-Electrolysis Water-Splitting Applications @article{Song2021HighPhotovoltageAT, title={High-Photovoltage All-Perovskite Tandem Solar Cells for Photovoltaic-Electrolysis Water-Splitting Applications},

Oct 12, 2025
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Optimized photoelectrochemical tandem cell for solar water splitting

The developed device, named CoolPEC cell, comprises three improved features: i) an open path for the sunlight to reach the PV cell placed at the back of the PEC cell; ii) a

Aug 14, 2025
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A molecular tandem cell for efficient solar water splitting

However, the necessary voltage for water electrolysis (>1.23 V) is high for the process to be cost effective, and therefore requires photoelectrocatalytic (PEC) cells for lowering the voltage

Sep 17, 2025
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Solar Water Splitting with Perovskite/Silicon Tandem Cell and TiC

Here, we present an exciting process toward a highly efficient solar water splitting system at an affordable cost using TiC-supported Pt nanocluster electrocatalysts and

May 14, 2026
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A review of hydrogen production using TIO2-based photocatalyst

Tandem solar cells are a promising technology for producing hydrogen through photoelectrochemical water splitting [69, 70]. In this setup, both cells work synergistically to maximize solar energy harvesting and facilitate the electrolysis of water to produce hydrogen and oxygen. These systems utilize the advantages of both technologies to enhance hydrogen

Mar 06, 2026
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Hybrid Perovskite-Organic Flexible Tandem Solar Cell Enabling

Moreover, to demonstrate the achieved high V oc in the tandem solar cells for potential applications, a photovoltaic (PV)-driven electrolysis system combing the tandem solar cell and water splitting electrocatalysis is assembled. The integrated device demonstrates a solar-to-hydrogen efficiency of 12.30% and 11.21% for rigid, and flexible

Jan 17, 2026
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Beating the Efficiency of Photovoltaics-Powered Electrolysis with

This Viewpoint addresses the efficiency of solar water splitting systems, proposing power management and light management schemes that enable boosting the

Feb 28, 2026
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Beating the Efficiency of PV-Electrolysis with Tandem Cell

respect to the reversible voltage of water electrolysis. Additional overpotential losses arise from internal resistance (aka Ohmic) losses in the electrolyte and at the membrane that separates the reaction products, i.e., H 2 and O 2 gases. As a result, the solar to hydrogen (STH) conversion efficiency of PV-electrolysis systems is lower by 30% relative to the PCE of the PV cells that

Mar 03, 2026
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Review Photovoltaic/photo-electrocatalysis integration for green

Among storable and portable fuels, lightweight hydrogen has very high gravimetric energy density ∼ 120 kJ/g (more than gasoline) and its combustion in fuel cells , , to derive electrical energy forms the clean by-product, water (H 2 O). Nevertheless, it requires high pressure, low temperature, large volume, or advanced techniques to store it

Jun 09, 2026
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Full spectrum solar hydrogen production by tandems of perovskite solar

Full spectrum solar hydrogen production by tandems of perovskite solar cells and photothermal enhanced electrocatalysts Author links open overlay panel Meng Wang a b, Zhi Wan b, Zhihao Li b, Chunmei Jia b, Weiquan Zhang b, Qingmei Hu c, Weibo Huang c, Can Li a b, Xuchun Gui c, Zhen Li a b

Feb 01, 2026
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A molecular tandem cell for efficient solar water splitting

There are few literature examples that report single-electrode water splitting without an applied bias (12, 13).Multijunction photoelectrochemical solar cell configurations that focus on hydrogen production have appeared in the

Dec 22, 2025

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