Perovskite Ultra-Insulator: NC State printable thermal specs

September 26, 2026

NC State’s College of Engineering USA

Overview

Researchers at NC State University have synthesized a novel hybrid organic-inorganic perovskite material exhibiting an ultra-low thermal conductivity of approximately 0.04 W m-1 K-1 at room temperature, nearing theoretical limits for dense materials. This material is exceptionally rigid and scalable for thin-film printing, offering five times better insulation than silicon. This breakthrough promises transformative improvements in thermal management across diverse applications, from high-performance electronics and cookware to spacecraft.

In Depth

Key Findings

Researchers at NC State University have developed a new hybrid organic-inorganic perovskite material that achieves one of the lowest thermal conductivities for a dense material, approximately 0.04 W m-1 K-1 at room temperature. This innovative material is remarkably rigid and can be scaled for large-area thin-film printing, offering a groundbreaking solution for extreme thermal insulation needs.

Technical / Clinical Details

The team engineered this material by replacing portions of the carbon-carbon chains in the organic layer of a two-dimensional hybrid organic-inorganic perovskite with a combination of benzene rings. This precise structural modification allowed them to finely control both the material’s rigidity and its thermal conductivity. The design maximizes phonon scattering, enabling the material to approach the theoretical minimum for thermal conduction in a non-porous solid. Its measured thermal conductivity is five times lower than that of silicon, highlighting its superior insulating properties.

Background & Context

Effective thermal management is crucial for the performance, energy efficiency, and longevity of electronic devices and other systems. Existing thermal insulators often suffer from trade-offs between insulation efficiency, mechanical rigidity, scalability, or stability in high-stress environments. The newly developed perovskite material overcomes these limitations with its combination of high rigidity, printability, and ultra-low thermal conductivity. This makes it suitable for demanding applications where conventional solutions fall short.

Strategic Significance & Outlook

The applications for this new perovskite thermal insulator are broad and impactful, including improving the energy efficiency of cooking appliances, solving overheating challenges in high-performance electronics, and providing critical thermal protection for spacecraft. The ability to print this material as thin films makes it particularly attractive for integration into flexible electronics and IoT devices, opening new avenues for product design. This innovation is poised to significantly enhance energy efficiency and extend product lifespans across various industries, creating substantial new value in the functional materials market.

Source: https://engr.ncsu.edu/news/2026/09/21/new-material-is-an-extreme-thermal-insulator/

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