TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Composition: The layered material comprises a clay or a non-clay. The clay comprises smectite clay. Preferred Light: The light has wavelength of 300-550 nm. The source of light is a high pressure xenon and mercury lamp, a halogen lamp or a tunable laser.    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Composition: The N-oxyazinium compound is given by formula (I).A, B = carbon, C-R5, C-R6 or nitrogen;R1-R4 = hydrogen, alkyl or aryl, and A, B and R groups are combined to form ring; andY = charge balancing anion, and Y is separate moiety or portion of A, B or R groups.The N-oxyazinium compound is preferably of formula (II,III,IV).R1 = alkyl or aryl, preferably 1-18C alkyl or 6-18C aryl;R9, R10 = hydrogen atom, alkyl, aryl, heterocyclic, carboxylic, carboxylate, carbonamido, sulfonamido, nitryl, -CO-R1 or -(CH=CH)m-R12, preferably chosen from ;R11 = alkyl group or aryl;R12 = aryl or heterocyclic group;m = 1 or 2;G = alkylene group, preferably -(CH2)n;n = 1-12;A = carbon, C-R5, nitrogen, sulfur or oxygen atom with sufficient bonds and substituents to form heteroaromatic ring;R5 = hydrogen or substituent; andR1-R4, Y = as defined above.The splayed layered material comprises a layered material splayed by the aqueous soluble N-oxyazinium compound. The weight ratio of layered material to N-oxyazinium compound is 80:20-60:40. The aqueous dispersible polymerizer comprises a compound containing ethylenic unsaturation, or mono- and/or poly-functional acrylate compounds. The poly-functional acrylate compounds are alkoxylated bisphenol A diacrylates. The mono-functional acrylate compounds are hydroxyalkyl acrylates, long- and short-chain alkyl acrylates, aminoalkyl acrylates, alkoxyalkyl acrylates, single and multi-ring cyclic aromatic or non-aromatic acrylates, alcohol-based acrylates, alkoxylated alkylphenol acrylates, acrylamides, vinylic compounds and acid esters.    TECHNOLOGY FOCUS - POLYMERS - Preferred Composition: The aqueous dispersible polymerizer further comprises a polymer. The polymer comprises gelatin, poly(vinyl alcohol), poly(ethylene oxide), polyvinyl pyrrolidone, poly(acrylic acid), poly(styrene sulfonic acid), poly(acrylamide), and/or quaternized polymer. The light curable material further comprises a water-soluble matrix binder. The weight ratio of splayed layered material to matrix binder is 3:97-15:85. The water soluble matrix binder is selected from gelatin, poly(vinyl alcohol), poly(ethylene oxide), polyvinyl pyrrolidone, poly(acrylic acid), poly(styrene sulfonic acid), poly(acrylamide), and quaternized polymer. The light curable material further comprises a support for an imaging element. Preferred Process: The curing method further involves forming the mixture of the splayed layered material with a polymerizer and aqueous soluble N-oxyazinium compound into a sheet or support before subjecting to light. SPECIFIC COMPOUNDS - The N-oxyazinium compound is chosen from 27 specific claimed compounds, such as compounds of formulae (I-1,I-2).    EXAMPLE - Aqueous sols of Cloisite (RTM: smectite clay) (in wt.%) (4.55) was mixed with aqueous solution of N-oxyazinium compound of formula (A) (4.55) and SR9035 (RTM: ethoxylated trimethyl propane triacrylate). The mixture was stirred for 24 hours, and subsequently coated on glass slide and dried. The (001) basal plane spacing of the smectite clay in the film was found to be 31. Increase in the basal plane spacing of the smectite clay in the film, as compared to the neat clay, was indicated the splaying of clay lattice.