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XSAM1 — Hole Transport Material

Comparable performance to conventional PADCB at a lower cost.

Role
HTM
Material type
Small Molecule
Solvent system
Ethanol
LUMO / HOMO
N.A. / N.A.
Device architecture
p-i-n
Power conversion efficiency
25.2%

0.1 cm² cell

HTM · Small Molecule

XSAM1

XSAM-1 is a solution-processable self-assembled monolayer (SAM) molecule designed for p-i-n perovskite solar cells to enhance interfacial properties and device stability. It achieves performance comparable to that of the conventional PADCB while providing a significant cost advantage for industrial applications.

Measured performance vs PADCB (PCE 25.4%), 0.1 cm² cell

Vₒᴄ
1.178V
Jₛᴄ
25.4mA/cm²
FF
84.2%
PCE
25.2%

Typical device architecture

GlassITOXSAM1PVSKPassivationPCBMBCPAg
Layer stack of a XSAM1 device showing glass, ITO, transport layers, perovskite absorber, passivation and electrode.
Device data

Measured performance of XSAM1

Data measured on 0.1 cm² cells in our partner laboratories.

Current density – voltage for XSAM1.
Current density – voltageLight J–V characteristics measured on a 0.1 cm² cell, against the stated reference material.

Processing notes

  • Supplied as a solution-processable self-assembled monolayer for p-i-n stacks.

Evaluate XSAM1 in your own devices

We supply evaluation quantities together with a specification sheet so your team can qualify the material under your own conditions.