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photo-generated
photo-generated adj.
Brit. 
/ˌfəʊtə(ʊ)ˈdʒɛnəreɪtᵻd/
, /ˌfəʊtə(ʊ)ˈdʒɛnəreɪtᵻd/U.S. /ˌfoʊdoʊˈdʒɛnəˌreɪdəd/
generated by the action of light, esp. in a photochemical reaction./ˌfoʊdoʊˈdʒɛnəˌreɪdəd/ΚΠ
1942 Jrnl. Org. Chem. 7 474 Both [reactions] would also lead to the chain begun by the photo-generated HS radical.
1976 Science 26 Aug. 853/3 A major factor limiting solar cell efficiency is the tendency of the photogenerated holes to become trapped in the silicon before reaching the Schottky junction.
1993 European Jrnl. Phycol. 28 51/1 The most obvious source is photo-generated reductant which is most likely to be involved in the process of nitrite reduction.
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