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922978

Sigma-Aldrich

TpOx-n-Bu

Synonym(s):

8-Butyl-2,3,6,11,12-pentakis(pentyloxy)triphenyleno[1,2-d]oxazole

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About This Item

Empirical Formula (Hill Notation):
C48H69NO6
CAS Number:
2377209-24-8
Molecular Weight:
756.06
NACRES:
NA.23

storage temp.

−20°C

Quality Level

100

Related Categories

General description

TpOx-n-Bu is a UV excitable fluorescent material with a polycyclic aromatic donor-acceptor structure where the triphenoxazole core acts as a donor and the butyl group on the two position of the oxazole as the acceptor group. This oxazole is also a photo-conducting Discotic Liquid Crystalline (DLC) material with mesophase transition onset temperature of 90 °C. It is designed for 355 nm excitation with emission at 366 nm with quantum yield of 0.16, high thermal, chemical and photostability. This luminescent compound has potential uses in fluorescent dye staining, organic electronic and photonic applications.

Application

Fluorescent materials have a range of unique properties that allows for potential use in a range of applications:

  • Fluorescent dye staining
UV fluorescent materials can be used to dope polymer and resin composites, including 3D applications, and further identified using fluorescence emission.

  • Organic semiconductor for organic electronic and photonic applications
These organic discotic liquid crystals display columnar hexagonal mesophase, and were incorporated into OPV device as a hole transport layer and donor material. Similar compounds have been used in organic light emitting devices (OLEDs), organic photovoltaic device (OPVs) and organic field-effect transistor (OFETs) as hole transport material.

Storage and Stability

Store under nitrogen in the dark in the freezer (below 8 Celsius).

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

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Articles

Triphenoxazoles: A New Class of Fluorescent Photoconducting Liquid Crystalline Materials for Organic Electronic Applications

Here we introduce the Triphenoxazoles, a new class of organic electron donor-acceptor materials that can both be manipulated to change the electronic properties of the donor and acceptor with the consequent modulation of their HOMO/LUMO and properties, such as Stokes shift and (photo)conductivity, whilst at the same time displaying liquid crystallinity and functional groups for further chemical modification.

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