Photocatalytic Materials 2026 — PatSnap Eureka
Photocatalytic Materials Landscape 2026 for Green Hydrogen Production
Analysis of 78 patent and literature records spanning 2005–2023 reveals the dominant functional materials platforms — graphene-based conductive inks, 2D material heterostructures, and sustainable bio-based formulations — that underpin next-generation photocatalytic device architectures for green hydrogen production.
78 Records Spanning Functional Materials for Electronic and Energy Devices
The dataset covers patent and literature records from 2005 to 2023, with the most frequently appearing assignees including Vorbeck Materials Corporation, Guangzhou Chinaray Optoelectronic Materials Ltd., and DST Innovations Limited.
This analysis synthesises 78 patent and literature records spanning 2005 to 2023. The records predominantly cover graphene-based conductive inks, 2D materials for flexible electronics, sustainable ink formulations, and organic electronic device fabrication methods. These technologies represent a foundational materials platform with direct relevance to photocatalytic device architectures for green hydrogen production.
The dominant technical approaches in the dataset involve functionalized graphene sheets, silver nanoparticle inks, molecular inks with metal carboxylates, and 2D material heterostructures. Organisations such as PatSnap Analytics track these developments across jurisdictions including the US, EP, and IN. According to the International Energy Agency, photocatalytic water splitting is among the most promising long-term pathways for clean hydrogen. Relevant standards and data are also tracked by WIPO and the European Patent Office.
The dataset notes that it lacks specific photocatalytic materials patents for green hydrogen production, suggesting a gap between printed electronics technologies and hydrogen generation applications that represents a significant white-space opportunity for innovators.
Graphene-Based Conductive Inks and 2D Material Heterostructures
The most developed technology platform in the dataset, with extensive patent coverage and demonstrated multi-layer printing capabilities for flexible and wearable devices.
Functionalized Graphene Sheets in Electrically Conductive Inks
Vorbeck Materials Corporation dominates the graphene-based printed electronics patent landscape with at least 15 related patents covering functionalized graphene sheets in electrically conductive inks across US, EP, and IN jurisdictions from 2009 to 2020. These patents describe printed electronic devices comprising substrates with electrically conductive inks containing functionalized graphene sheets and binders. PatSnap Analytics tracks this portfolio across jurisdictions.
15+ patents · US, EP, IN · 2009–2020Fully Inkjet-Printed 2D Material Field-Effect Heterostructures
Research published in 2017 demonstrated fully inkjet-printed 2D-material active heterostructures with graphene and hexagonal-boron nitride inks, enabling fully printed flexible and washable field-effect transistors. This work establishes foundational techniques for multi-layer printed devices that could be adapted for photocatalytic device architectures for renewable energy applications.
Graphene + hBN · Flexible & washable FETsSustainable Graphene Ink Production Using Non-Toxic Cyrene Solvent
A 2018 study reports environmentally sustainable graphene ink production using non-toxic solvent Dihydrolevoglucosenone (Cyrene), achieving conductivity of 7.13 × 10⁴ S m⁻¹. This approach addresses the environmental sustainability requirements increasingly demanded across the electronics and energy materials supply chain.
7.13 × 10⁴ S m⁻¹ · Cyrene solventAir-Stable MoS₂ Field-Effect Transistors via Inkjet Printing
Research published in 2021 demonstrated air-stable, low voltage MoS₂ field-effect transistors with switching times of approximately 4.1 μs, produced via inkjet printing of 2D semiconductor inks. The high-resolution fabrication capability of inkjet printing offers a route to scalable photocatalytic device manufacturing. See also PatSnap Materials solutions for semiconductor ink tracking.
MoS₂ · 4.1 μs switching · Air-stablePerformance Benchmarks Across Functional Materials Platforms
Key metrics extracted from the 78-record dataset illustrate the performance envelope of conductive inks, bio-based substrates, and 2D semiconductor devices.
Conductive Ink Technologies: Conductivity & Resistance
Sustainable graphene ink achieves 7.13 × 10⁴ S m⁻¹; forest-based ink achieves 3.8 Ω sq⁻¹ sheet resistance via laser graphitization.
Key Assignees: Patent Activity by Organisation
Vorbeck Materials Corporation leads with 15+ patents; Guangzhou Chinaray and Canadian CRC also active in functional materials formulations.
Bio-Based and Recycled Material Approaches in Functional Electronics
A 2023 review emphasises biodegradable systems using naturally produced materials with low environmental impact, requiring most materials to be biobased, biodegradable, or not considered critical raw materials.
Key Technology Signals for Photocatalytic Green Hydrogen Applications
Signals from the dataset that point toward emerging opportunities at the intersection of printed functional materials and photocatalytic hydrogen generation.
Graphene Ink Patent Dominance
Vorbeck Materials Corporation holds at least 15 patents on functionalized graphene sheets in electrically conductive inks across US, EP, and IN jurisdictions from 2009 to 2020, representing the most developed IP position in the dataset.
Silver Nanoparticle Inks: Highest Commercial Maturity
Silver nanoparticle-based inks are described as the highest sales volume nanotechnology product, suitable for flexible thin layers and disposable electronics, though environmental concerns are driving research toward bio-based and carbon alternatives.
Metal Nanoparticle, Molecular, and Carbon-Based Ink Technologies
Silver nanoparticle inks remain the most commercially mature platform, while molecular metal carboxylate inks and carbon composite formulations offer alternative performance profiles.
| Technology | Key Material | Performance / Feature | Source / Year | Jurisdiction |
|---|---|---|---|---|
| Graphene Conductive Ink | Functionalized graphene sheets + binder | 7.13 × 10⁴ S m⁻¹ (Cyrene route) | Vorbeck / 2013–2020 | US, EP, IN |
| Silver Nanoparticle Ink | Ag nanoparticles | Highest commercial sales volume nanotechnology product | Literature review / 2016 | Global |
| Molecular Metal Ink | C8-C12 silver carboxylates / Cu(II) formate | Flake-less printable conductive traces | CRC Canada / 2019 | CA |
| Forest-Based Ink | Cellulose + lignin | 3.8 Ω sq⁻¹ (laser graphitization) | Literature / 2020 | — |
Photocatalytic Materials Landscape 2026 — key questions answered
The dataset contains 78 patent and literature records spanning from 2005 to 2023, primarily focused on printed electronics technologies, conductive inks, and functional materials for electronic devices.
Vorbeck Materials Corporation dominates the graphene-based printed electronics patent landscape with at least 15 related patents covering functionalized graphene sheets in electrically conductive inks across US, EP, and IN jurisdictions from 2009 to 2020.
Sustainable graphene ink production using non-toxic solvent Dihydrolevoglucosenone (Cyrene) has achieved conductivity of 7.13 × 10⁴ S m⁻¹.
Cellulose and lignin-based inks patterned using screen printing followed by laser graphitization achieve a sheet resistance of 3.8 Ω sq⁻¹.
Bio-based photovoltaic devices using PLA and recycled PET substrates achieve efficiencies up to 6.9% under indoor light, replacing metals and metal oxides with printed PEDOT:PSS, carbon, and amino acid/heterocycles.
Air-stable, low voltage MoS₂ field-effect transistors produced via inkjet printing demonstrate switching times of approximately 4.1 μs.
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