| http://www.w3.org/ns/prov#value | - x???H2PC, ?????H2Pc, ?????CuPc, VOPc, TiOPc, AlClPc, ClGaPc, HOGaPc (A4) squarilium dye (A5) cyanine dye (A6) azulenium salt dye Among the materials whose conductivity is increased by light absorption, the inorganic materials include, for example, metal or a nonmetal such as Si, Se or Ge; an oxide such as ZnO, TiO2, or SnO2; and an alloy or a compound such as AlGaAs, GaAs, AlInAs, GaInAs, GaInP2,
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