DSSC Materials

Dye-sensitized solar cells (DSSCs), also known as Grätzel cells, represent a cost-effective third-generation photovoltaic technology. Unlike conventional silicon-based systems, DSSC materials rely on organic or metal-complex sensitizers adsorbed onto nanoporous TiO₂ electrodes to harvest sunlight and generate electricity. This architecture enables simple fabrication, low material costs, and effective performance even under diffuse or indoor lighting conditions.

Key Components

A typical DSSC consists of four essential components:

• Photoanode – nanoporous TiO₂ layer on transparent conductive oxide (TCO) glass, providing high surface area for dye adsorption
• Sensitizer (dye) – light-absorbing molecule that injects electrons into TiO₂; ruthenium complexes (N3, N719, N749 black dye) remain benchmark standards
• Electrolyte – redox mediator (typically iodide/triiodide or cobalt-based) that regenerates the oxidized dye
• Counter electrode – catalytic layer (usually platinum) that reduces the electrolyte

Solid-state DSSCs replace the liquid electrolyte with organic hole transport materials such as Spiro-OMeTAD , improving long-term stability and enabling flexible device architectures.

Our DSSC Materials Offering

Noctiluca provides high-purity materials for dye-sensitized solar cell research and development:

• Grätzel-type ruthenium dyes – custom synthesis of N3, N719, and related sensitizers
• Hole transport materials – including Spiro-OMeTAD for solid-state DSSC applications
• Perovskite materials – for hybrid perovskite/DSSC architectures

Our team has extensive experience in third-generation solar dye development, with patented compounds implemented alongside industry leaders. We offer custom synthesis services for specialized sensitizer requirements.

Browse our catalog below or contact our technical team to discuss your DSSC project.