A method of quenching excited state energy from a photodegradable pigment that has been excited by absorption of light having a wavelength in the wavelength range of 290 - 800 nm, comprising reacting a pigment with a conjugated fused tricyclic compound having electron withdrawing groups of Formula (II) or a salt thereof: formula (II) wherein: A is selected from the group consisting of O, S, C=0, C=S, formula (III) and (IV)； B1, B2, D1, and D2 are each independently selected from the group consisting of F, Cl, Br, I, CF3, CCl3, NR33+, NO2,CN, C(=O)R4, C(=O)OR1, SO2R5, aryl, and — C=CHR6； each m independently is 0, 1, 2, 3, or 4； n is 0 or 1； each R1 is independently selected from the group consisting of H, alkyl, alkenyl, alkynyl, cycloalkyl, cycloalkenyl, and aryl； R2 is selected from the group consisting of H, alkyl, cycloalkyl, alkenyl, alkynyl, and aryl； each R3 is independently selected from the group consisting of H and C1-C6 alkyl； each R4 is independently selected from the group consisting of H, alkyl, alkenyl, alkynyl, cycloalkyl, cycloalkenyl, and aryl； each R5 is independently selected from the group consisting of H, O-, OH, NH2, and CI； and, each R6 is independently selected from the group consisting of alkyl, alkenyl, alkynyl, cycloalkyl, cycloalkenyl, and aryl.L'invention concerne un procédé d'extinction de l'énergie d'état excité à partir d'un pigment photodégradable qui a été excité par absorption de lumière ayant une longueur d'onde dans la plage de longueur d'onde de 290-800 nm, comprenant la réaction d'un pigment avec un composé tricyclique fusionné conjugué ayant des groupes attracteurs d'électrons de Formule (II) ou un sel de celui-ci : formule (II) dans laquelle : A est choisi dans le groupe consistant en O, S, C=0, C=S, formule (III) et (IV) ； B1, B2, D1 et D2 étant chacun indépendamment choisis dans le groupe consistant en F, Cl, Br, I, CF3, CCl3, NR33+, NO2, CN, C(=O)R4, C(=O)OR1, SO2R5, aryle et -C=CHR6； chaque m est indépendamment 0, 1, 2,
