公开(公告)号：WO2021198482A1

公开(公告)日：2021-10-07

申请号：PCT/EP2021/058748

申请日：2021-04-01

Applicant: TECHNOLOGICAL UNIVERSITY DUBLIN

Inventor： MIKULCHYK, Tatsiana ,  CODY, Dervil ,  NAYDENOVA, Izabela ,  OUBAHA, Mohamed ,  GUL, Sabad-e- ,  MARTIN, Suzanne

IPC: G03F7/16 ,  G03F7/0042 ,  G03F7/0043 ,  G03F7/029 ,  G03F7/031 ,  G03F7/0755 ,  G03F7/0757

Abstract: A composition for holographic applications, a process for making the composition and applications thereof. The process comprises gelation of a colloidal sol to yield a gel, wherein a cross-linker (e.g. an amine) and a photoinitiator are combined with the colloidal sol before or during gelation. The colloidal sol comprises a hydrolysed mixture of water; an organosilane; and an organometallic complex, the organometallic complex comprising a metal chelated by one or more ligands. The process may additionally comprise drying the colloidal sol or gel to form a xerogel.