Poly(9,9-dioctylfluorene-alt-N-(4-sec-butylphenyl)-diphenylamine) (TFB), CAS number 220797-16-0, is a triarylamine based semiconductor with a band gap of 3.0 eV (HOMO and LUMO levels of 5.3 eV and 2.3 eV, respectively) and a relatively high hole mobility of 2 ×10-3 cm2 V-1 s-1.

General Information

* Measurable with the Ossila USB Spectrometer, see our spectrometers and accessories for more information.

Product Details

Chemical Structure

Device Structure(s)

Device Structure	ITO (120 nm)/PEDOT:PSS(50 nm)/TFB (5 nm)/PYGTPA* (75 nm)/PEGPF* (10 nm)/Ca (10 nm)/Al (100 nm) [1]
Colour	Deep Blue
Max. luminance	9,242 cd/m2
Max. Current Efficiency	0.85 cd/A
Bias	4.3 V

Device Structure	ITO/c-ZnO (50 nm)/F8BT (80 nm)/MoO3 (10 nm)/Au (50 nm) [2]	ITO/c-ZnO (50 nm)/F8BT (80 nm)/TFB (60 nm)/MoO3 (10 nm)/Au (50 nm) [2]
Colour	Green	Green
Max. luminance	9,370 cd/m2	16,460 cd/m2
Max. Current Efficiency	0.34 cd/A	0.93 cd/A
Bias	~0.60 V	~0.87 V

Device Structure	ITO/ZnO/CsPbI3/TFB (60 nm)/MoO3 (5 nm)/Ag (80 nm) [3]
Colour	Red
Max. Luminance	206 cd/m2
Max. EQE	5.7%