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Polyhedral oligomeric silsesquioxanes (POSS) linked ligand of the general formula (I): L [(R1a)n-1(SiO1,5)n R2a ]k [(R1b)n-1SiO1,5)n R2b ]| [(R1C)n-1SiO1,5)n R2c ]m in which (R1a,b,c)n-1(SiO1,5)n is a polyhedral oligomeric silsesquioxanes (POSS) with n = 4, 6, 8,10, 12, 14, 16 or 18 and R1a, R1b,R1c is each independently selected from the group consisting of same or different branched or linear C1-C20 alkyl chains, cyclo alkyl, C1-C20 alkoxy, aryl, aryloxy, heteroaryl and arylalkyl groups, k, l, m is 0 or 1 provided that k+l+m = 1, R2a, R2b, R2c is a spacer that binds the polyhedral oligomeric silsesquioxane (POSS) to the ligand L and ligand L is an uncharged electron donor.

Polyhedral oligomeric silsesquioxanes (POSS) linked ligand of the general formula (I) L [(R 1a ) n-1 (SiO 1,5 ) n R 2a ] k [(R 1b ) n-1 SiO 1,5 ) n R 2b ] l [(R 1c ) n-1 SiO 1,5 ) n R 2c ] m (I) in which (R 1a,b,c ) n-1 (SiO 1,5 ) n is a polyhedral oligomeric silsesquioxanes (POSS) with n = 4, 6, 8,10, 12, 14, 16 or 18 and R 1a , R 1b ,R 1c is each independently selected from the group consisting of same or different branched or linear C 1 -C 20 alkyl chains, cyclo alkyl, C 1 -C 20 alkoxy, aryl, aryloxy, heteroaryl and arylalkyl groups, k, I, m is 0 or 1 provided that k+l+m ¥ 1, R 2a , R 2b , R 2c is a spacer that binds the polyhedral oligomeric silsesquioxane (POSS) to the ligand L and ligand L is an uncharged electron donor.