Luminescent compounds

Polycyclic aromatic hydrocarbons represented by the following general formula:

• wherein X is one of nitrogen, phosphorus, arsenic, antimony, bismuth, sulphur, selenium, tellurium;
• R independently represents an aromatic group and/or an aliphatic group;
• Q is one of a cyclic aliphatic hydrocarbon, a cyclic aromatic hydrocarbon, a polycyclic hydrocarbon, a polycyclic aromatic hydrocarbon, and/or a fused polycyclic aromatic hydrocarbon;
• wherein the substituents independently comprise one or more of a hydrogen atom, a deuterium atom, a fluorine atom, a chlorine atom, a bromine atom, a carbon atom, an oxygen atom, a nitrogen atom, a cyano group, a nitro group, an alkyl group and/or an aryl group;
• p is an integer of 1 to 2;
• q is an integer of 1 to 4;
• Y1 and Y2 independently represent one or more of a hydrogen atom, a deuterium atom, a fluorine atom, a chlorine atom, a bromine atom, a carbon atom, an oxygen atom, a nitrogen atom, a cyano group, a nitro group, an alkyl group and/or an aryl group;
• and x is an integer of 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 or more.

A method of synthesising polycyclic aromatic hydrocarbon derivatives (P2) according to the general formula:

• wherein (F2) represents the polycyclic aromatic hydrocarbon starting material, (P2) represents the polycyclic aromatic hydrocarbon derivative;
• G is a carbon atom;
• p is an integer of 1 to 2;
• q and s are integers of 1 to 4;
• Y1, Y2, and Y3 independently represent one or more of a hydrogen atom, a deuterium atom, a fluorine atom, a chlorine atom, a bromine atom, a carbon atom, an oxygen atom, a nitrogen atom, a cyano group, a nitro group, an alkyl group and/or an aryl group;
• (E) represents the reagent;
• R independently represents an aromatic group and/or an aliphatic group;
• Z is one of an oxygen atom, a derivatised oxygen atom, a chlorine atom, or a bromine atom, or any good leaving group.