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1. Capable of responding to light photoelectrically.
2. Capable of responding to sunlight or ultraviolet radiation by chemical reaction.

pho′to·ac·tiv′i·ty n.


(Chemistry) (of a substance) capable of responding to light or other electromagnetic radiation
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Preparation of porous PPyATiO2 composites: Improved visible light photoactivity and the mechanism" Chemical Engineering Journal 236: 480- 489 (2014)
ORNL co-authors of the paper, titled Structure and Compositional Dependence on the CdTexSe1-x Alloy Layer Photoactivity in CdTe-based Solar Cells, are Wei Guo, Karren More and Donovan Leonard.
Xia, Synthesis and Characterization of g- C3N4/MoO3 Photocatalyst with Improved Visible-Light Photoactivity, Appl.
2] with exposed facets: synthesis, properties, photoactivity and applications," Applied Catalysis B: Environmental, vol.
0 at% doping concentration is the optimum loading to ZnO that is more efficient in separating photoinduced electron-hole pairs which in turn increases photoactivity of ZnO.
In general, anatase has significantly greater photoactivity than rutile, the other well-known Ti[O.
Some other factors such as specific surface areas, pore structures, crystallinity and the dopant concentration also have a great influence on photoactivity (Cheng et al.
The crystal structure of the surface affects the chemical reactions and photoactivity that can be carried out on surface itself.
Among the topics are testing the surface photoactivity of fiber-cement composites, filler from expanded glass as a lightweight component of a cement composite with fiber reinforcement, dielectric spectral differences for concrete with shredded automobile tires as an admixture, the occurrence of cyanobacteria and green algae on facades of historical sacral buildings, and the effect of admixture dosage and specimen age on the mechanical fracture parameters of lime mortars with enhanced burnt clays.
The photoactivity for the hydrogen generation was evaluated using a homemade Pyrex reactor of 200 mL containing an aqueous solution water-ethanol (1:1 molar ratio) and 0.
level is present in the sulfate route materials, being added as a crystal stabilizing agent and to reduce the photoactivity of the final pigment.