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Research update — 19 October 2026. A peer-reviewed study in Nature Communications reports a new way to protect the electrical contacts inside thermoelectric devices, which convert a temperature difference into electrical power. Rather than changing the thermoelectric material itself, the researchers engineered the thin metallic barrier layer between the material and its contact. That interface is often a weak point during prolonged exposure to heat.

What changed?

Conventional contact barriers face two competing requirements. They must stop elements from diffusing across the interface at elevated temperatures, yet they also need to tolerate differences in thermal expansion between the contact metal and the thermoelectric material. A barrier that blocks diffusion but expands differently can develop damaging stresses; one that accommodates expansion may provide less effective chemical protection.

The research team addressed both problems with a laminated niobium–copper (Nb/Cu) barrier. Niobium primarily limits interdiffusion, while alternating copper layers adjust the effective thermal-expansion response and help manage stress at the interface. The central innovation is therefore an engineered multilayer contact, not a newly discovered bulk thermoelectric compound.

What did the researchers demonstrate?

Using a skutterudite-based thermoelectric system, the team reported that the interface remained intact after 60 days of aging at 823 K (approximately 550 °C). Its measured contact resistivity stayed below 1 micro-ohm square-centimeter (1 µΩ·cm²), indicating a low-resistance electrical connection under the reported test conditions. The authors also demonstrated the strategy in bismuth telluride (Bi₂Te₃) and germanium telluride (GeTe) thermoelectric systems, suggesting the underlying interface-design approach is not restricted to one material family.

These are specific experimental results, not a guarantee of equivalent performance in every module design or operating environment.

Why this matters

Thermoelectric devices have no moving parts and can harvest electricity from otherwise unused heat, but practical performance depends on more than the efficiency of the active material. Contact resistance, mechanical integrity and chemical stability can determine whether a module remains useful over time. By addressing expansion mismatch and diffusion in one contact architecture, the work tackles a manufacturing and durability problem that can be overlooked when attention focuses only on thermoelectric figure of merit (ZT).

Potential applications

More robust contacts could eventually benefit industrial waste-heat recovery, compact thermoelectric generators, temperature-sensing assemblies and other systems exposed to repeated or sustained temperature gradients. The broader materials-design principle—combining a diffusion-resistant metal with a stress-managing layer—may also inform interface engineering in other high-temperature devices. Those additional applications remain possibilities rather than demonstrated outcomes of this study.

Development stage and limitations

This is peer-reviewed laboratory research, not an announcement of a commercially qualified thermoelectric module. The reported aging test is valuable, but it does not by itself establish performance under years of thermal cycling, vibration, oxidation, corrosion, large-area manufacturing or real-world electrical loading. The study’s contact-resistivity result should not be confused with overall power-conversion efficiency. Before industrial adoption, engineers would need full-module durability tests, process repeatability data, cost analysis and qualification under application-specific conditions.

Primary research

Xiao Zhang and colleagues, “Laminated structure design accommodates thermal expansion mismatch for mechanically and thermally dual-stable thermoelectric contacts,” Nature Communications, published 19 October 2026. Read the original peer-reviewed paper (DOI: 10.1038/s41467-026-78685-5).

Element Folio editorial note: This article explains published experimental findings and distinguishes demonstrated results from possible future applications. It is not a product endorsement.

New wastewater membrane targets antibiotic residues. Researchers at Khalifa University report a polymer membrane containing zwitterionic biochar. The team reports 99.1% tetracycline removal at a flux of 64.1 litres per square metre per hour, 98.5% removal in mixed-antibiotic solutions, and 94.8% removal in municipal wastewater. Potential applications include tertiary wastewater treatment and reuse-water polishing. This is experimental work, not a commercially proven solution. Longer-term testing is needed to establish fouling resistance, cleaning, energy use, cost, and management of concentrated waste. Primary study: DOI 10.1038/s41545-026-00643-x.

Research update — 16 October 2026. A peer-reviewed study in NPG Asia Materials reports that aryl diazirines can initiate light-driven curing of acrylate polymers while offering better compatibility with water-based formulations and encouraging results in laboratory cell tests. The result points to a possible alternative to conventional photoinitiators used in resin printing, coatings and biomedical polymers—but it is not yet proof of clinical safety or a drop-in industrial replacement.

What changed?

Photoinitiators are small molecules that absorb light and trigger the reactions that turn liquid resins into solid plastics. Widely used initiators such as TPO and BAPO work effectively, but their formulation, solubility and toxicological characteristics can complicate certain applications. Researchers led by a team at Nanyang Technological University, Singapore, evaluated a different chemical family: aryl diazirines. When illuminated, these compounds produce reactive species capable of starting acrylate polymerization.

The team examined multiple chemical variants and irradiation conditions, including 365, 385, 405 and 445 nm light. Some variants cured aqueous and organic acrylate formulations and demonstrated curing of a dental-resin formulation under 405 nm light. The study also reports that nitrogen released during activation may help counteract polymerization shrinkage, while a related reaction product can consume residual acrylate monomer.

Why this matters

For materials engineers, the advance is less about making light-curable polymers possible—they are already commonplace—and more about broadening the design options for resin chemistry. Liquid, water-compatible initiators could simplify some formulations that currently require co-solvents. Lower residual monomer content and reduced curing shrinkage, if reproduced across practical products, would be relevant to dimensional accuracy and biocompatibility-sensitive applications.

In laboratory keratinocyte tests, selected diazirines showed substantially better cell viability than some commercial initiators at the tested concentrations. This is promising in vitro evidence, not a guarantee that finished products are non-toxic in all uses, nor evidence of regulatory clearance.

Potential applications

Biomaterials and hydrogels: water-compatible curing could help in scaffold fabrication and cell-adjacent manufacturing. Resin-based additive manufacturing: tailored visible-light activation may support specialized 3D-printing resins. Coatings and adhesives: formulations that aim to reduce residual monomers or shrinkage may benefit. Each application will need its own testing of mechanical performance, long-term stability, leachables and exposure safety.

Development stage and limitations

This is an experimental materials-chemistry result, not a commercial product launch. In the reported dental-resin comparisons, diazirine formulations needed roughly five times the light dose of BAPO to reach a selected mechanical benchmark, a meaningful disadvantage for high-throughput printing. The authors also found that the chemistry did not initiate polymerization of several non-acrylate vinyl monomers, so it should not be described as a universal replacement for existing initiators. Gas formation can create voids that may be useful in porous scaffolds but undesirable in load-bearing parts. Longer-term safety, manufacturing economics and performance under production conditions remain open questions.

Primary source

Ali, N., Ang, E. W. J., Ghosh, A. et al. “Non-toxic aryl diazirine photoinitiators,” NPG Asia Materials 18, article 39 (published 16 October 2026). Read the peer-reviewed paper and DOI. Publisher’s full article.

Element Folio research note: this is an independent explanation of the reported findings, not an endorsement of a chemical or a recommendation for clinical use.

Choosing ERP software involves more than counting modules. A contractor may need project estimates, requisitions, purchase orders, material receipts, inventory allocation, job costs and invoices to stay connected. This guide compares the published positioning of PSEMIC ERP, Odoo, Zoho ERP, Microsoft Dynamics 365 Business Central and SAP Business One. Vendor offerings and prices change; verify current plans and demonstrate critical workflows before purchasing.

Which systems should you shortlist?

System	Published strengths or focus	What to verify
PSEMIC ERP	Project-oriented commercial, procurement, inventory, finance and document workflows; annual plans and trial	Test your exact project-costing workflow, plan entitlements, reporting and regional compliance
Odoo	Broad integrated app suite including sales, accounting, inventory, projects and HR	Configuration, localization, customization and total implementation cost
Zoho ERP	Finance, operations, procurement and inventory modules in tiered plans	Country availability, user minimums and included modules
Microsoft Dynamics 365 Business Central	Financial management, project costing, supply chain and Microsoft 365 integrations	Licensing, partner setup, add-ons and training
SAP Business One	SMB accounting, purchasing, inventory, sales and reporting	Implementation partner, customization, licensing and support

How to compare fairly

Use the same scenario in every demo: create a customer enquiry and quotation, approve a project estimate, request materials, raise a purchase order, receive part of the order, allocate inventory, record an expense, invoice the customer and view project margin. Ask each provider to show the workflow end to end with role-based access and exportable records.

What does pricing mean?

Compare total annual cost for the same number of users and functions, including onboarding, data migration, storage, support, integrations and any required local tax configuration. Some vendors price per user; others have tiers, implementation fees or custom quotes. A lower subscription price does not by itself mean lower total cost or equivalent functionality.

Where PSEMIC ERP fits

PSEMIC ERP may be worth evaluating for small and growing project-based businesses seeking connected commercial and operational workflows with transparent annual plans. It should not be represented as equivalent to every enterprise function of SAP or Microsoft. Explore the PSEMIC ERP feature overview, plans and pricing, and demo and trial options. Verify the currently available features during the trial.

Vendor primary sources

• Odoo pricing and app coverage
• Zoho ERP plans (India-specific example; regional pricing varies)
• Microsoft Dynamics 365 Business Central overview
• SAP Business One overview

Editorial note: comparison based on vendor-published descriptions checked in October 2026. This is not a benchmark, certification or independent hands-on test of competing products.

Research update | 15 October 2026. A study published in Nature on 14 October reports a way to strengthen macroscopic graphene films without treating strength, toughness and elasticity as mutually exclusive design goals. Researchers assembled graphene-derived flakes with deliberately folded surfaces so neighboring layers can clasp and redistribute mechanical loads.

What changed?

Graphene is extremely strong within an individual atomic sheet, but turning many sheets into a practical film introduces interfaces that can slide or concentrate stress. The researchers prepared surface-folded multilayer graphene oxide flakes, assembled them into layered films, and reduced the oxide to produce graphene-based films. Rather than stacking only flat sheets, their architecture uses interlocking folds. The proposed mechanism changes how loads transfer between layers: the folds create a shear-locking effect and redistribute force through the laminate.

What did the researchers measure?

The paper reports a combination of 2.9 gigapascals tensile strength, 84.5 megajoules per cubic metre toughness and 5% elastic strain in the engineered graphene films. These are laboratory material properties, not specifications for a finished structural component. Microscopy, structural characterization, mechanical tests and modeling support the interpretation that the fold-clasping arrangement contributes to the performance.

Why it matters

A single graphene sheet’s impressive properties do not automatically survive the transition to bulk sheets, coatings or films. Weak interfaces and imperfect alignment often control failure. This study demonstrates that the three-dimensional shape of nominally two-dimensional building blocks can be as important as their chemistry. Deliberately designed folds offer another route to controlling load transfer, deformation and crack resistance in layered materials.

Potential applications

Possible longer-term uses include lightweight reinforcement layers, mechanically resilient flexible components and specialty structural films. The design principle may also inform other layered nanomaterial composites. These are research directions rather than validated commercial products; the study does not establish that the films are ready for aerospace, automotive or consumer-electronics qualification.

Development stage and limitations

This is an experimentally demonstrated materials architecture. Commercial deployment would require repeatable manufacturing at useful widths and lengths, reliable joining and integration with other materials, testing under fatigue and environmental exposure, and assessment of cost, defects and performance variability. The reported tensile properties alone do not establish impact resistance, durability or full-scale component safety. Independent replication and application-specific testing remain important.

Primary source

Lidan Wang, Yangchao Liao, Jingjie Huang and colleagues, Clasping folds enable superior elastic strength of graphene films, Nature 658, 643–649 (2026), published 14 October 2026. Read the original peer-reviewed study (DOI).

Element Folio research briefing. Laboratory findings should not be interpreted as certified commercial performance.

Research update | 14 October 2026 — A peer-reviewed study published in Nature Photonics on 12 October 2026 reports a new molecular strategy for limiting energy losses in organic photovoltaic devices. By adding specially designed light-emitting acceptor molecules to a high-performance solar-cell blend, the researchers achieved 20.84% independently certified power-conversion efficiency in a single-junction ternary device. The authors also report a 21.2% measured efficiency for the device system. This is a laboratory result, not evidence that commercial solar panels have reached the same performance.

What changed?

Organic solar cells convert absorbed light into electrical current using carbon-based semiconductors. Their lightweight, potentially flexible active layers are attractive, but a portion of absorbed energy is lost when excited electronic states relax without emitting useful light or producing electrical output. One important source of this loss is non-radiative recombination involving charge-transfer states at the interface between electron-donating and electron-accepting materials.

Rather than relying only on changes to the donor–acceptor energy levels or the physical arrangement of the blend, the study introduces an additional acceptor designed to emit light efficiently in the solid state. The resulting material mixture provides a pathway through which interfacial charge-transfer excitations can access a local excited state and transfer energy toward an emissive guest molecule. In the authors’ interpretation, this makes a radiative decay route more accessible and reduces the voltage penalty associated with non-radiative processes.

The reported results

• 20.84% certified efficiency: independently certified power-conversion efficiency for a single-junction ternary organic solar cell; the authors report 21.2% for the device system.
• 0.93 V open-circuit voltage: reported for the high-efficiency ternary device.
• 0.142 eV non-radiative voltage loss: a particularly low loss reported in a related device configuration, which maintained 17% efficiency. This figure should not be assumed to describe the 20.84%-certified device.
• Mechanistic evidence: optical spectroscopy and molecular-dynamics simulations support the proposed interaction between charge-transfer states, localized excitations and emissive acceptors.

These numbers matter because efficiency depends on more than capturing photons. Retaining voltage while maintaining useful current generation and charge transport is a central challenge in organic photovoltaics. The reported approach addresses that challenge through the photophysics of the acceptor blend.

Why the development matters

Conventional design work often emphasizes stronger absorption, more favorable electronic energy levels and improved nanoscale morphology. This research adds another design variable: how efficiently excited states can find a radiative route instead of dissipating energy through non-radiative recombination. If the effect can be reproduced across other material combinations, it may help researchers design higher-voltage organic cells without imposing the usual penalties on current collection.

The study should not be described as a world efficiency record. Other organic photovoltaic systems have already reported efficiencies above 21%. Its main contribution is the proposed, experimentally investigated loss-reduction mechanism, together with a high certified efficiency.

Possible applications

In the longer term, advances in organic semiconductor performance could benefit lightweight photovoltaic laminates, flexible or curved surfaces, portable power products, and building-integrated or indoor-energy-harvesting devices. These are potential applications of the technology class, not products demonstrated or commercially qualified by this paper. Whether this particular molecular strategy suits any of those uses depends on further development.

Development stage and important limitations

The work is at the research-cell stage. Its reported efficiency does not establish performance for large-area modules, high-throughput manufacturing or prolonged outdoor operation. Before a commercial assessment, developers would need to evaluate:

• Operating stability under light, heat, oxygen, moisture and repeated temperature cycles.
• Reproducibility when moving from small test cells to larger coated areas and interconnected modules.
• Manufacturing solvent choices, material availability, process yield and cost.
• Encapsulation requirements and the efficiency retained after module integration.
• Independent reproduction of the proposed mechanism across other donor–acceptor systems.

The authors provide supplementary measurements and source data, but the main article is subscription-access content. This overview therefore distinguishes the reported measurements from application possibilities and commercialization questions.

How this fits into the broader research

A separate Nature Photonics study published in June 2026 examined why organic solar-cell fill factor can be limited by electric-field-dependent charge generation. Together, these papers illustrate that improving organic photovoltaics involves several coupled processes: photon absorption, charge separation, voltage loss, transport and extraction. A material change that improves one process must still be tested for its effect on the others.

Primary research and further reading

1. Y. Zhang, F. Han, R. Zhou et al., “Solid-state emissive acceptors enable thermally accessible radiative pathways for efficient organic solar cells,” Nature Photonics, published 12 October 2026. Original peer-reviewed paper and DOI.
2. H. Zhang, J. Yuan, T. Wang et al., “Overcoming the fill-factor limit of organic solar cells,” Nature Photonics, published 19 June 2026. Related open-access research.

Element Folio research briefing. Reported laboratory performance is not a product specification or a prediction of commercial performance.