TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Composition: The solution further contains lithium electrolyte. The inorganic oxide semiconductor electrode contains titanium oxide nanoparticles. The hole transport layer is doped by lithium ion. The ionic electrolyte contains lithium ion.    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preparation (claimed): Ether-type compound (III) and dioxole-type compound of formula (IV) are reacted to obtain polycyclic compound (I). The dye is ruthenium-based dye, xanthene dye, cyanine-based dye, porphyrin-based dye, anthraquinone dye or organic dye. Preferred Property: The solution containing polycyclic compound (I) or (II), has molarity of 0.005-0.5.    TECHNOLOGY FOCUS - POLYMERS - Preferred Layer: An ionic liquid electrolyte layer is formed on the hole transport layer. The electrical hole transport layer is photoelectric polymeric layer. The hole transport layer is formed by heat-polymerizing the polycyclic compound (I) or (II). ADMINISTRATION - 1,4-bis-2-(3,4-ethylene the dioxin City Neil) -2 - (2-methoxyethoxy) benzene,    1,4-bis-2-(3,4-ethylene the dioxin City Neil) -2 - (2 - (2-methoxyethoxy) ethoxy) benzene,    1,4-bis (2 - (3,4-ethylene oxy) ethinyl) -2,5 -ServicesTriethylene glycol methyl TeLe benzene,    1,4-di-Ebro Mo-2 ,5-bis ((3,4-ethylene oxy) phenyl-thio) triethylene glycol and benzene compounds    SPECIFIC COMPOUNDS - 6 Polycyclic compounds (I) or (II) are specifically claimed, i.e.1,4-bis(2-(3,4-ethyleneoxy)ethinyl)-2,5-bis-triethylene glycol methyl ether benzene of formula (IA), 1,4-bis-2-(3,4-ethylenedioxythiophenyl)-2- (2-methoxyethoxy)benzene, 1,4-bis-2-(3,4-ethylenedioxythiophenyl)-2-(2-(2-methoxyethoxy)ethoxy)benzene, 1,4-bis-2-(3,4-ethylenedioxythiophenyl)-2- (2-(2-(2-methoxyethoxy)ethoxy) ethoxy)benzene, 1,4-dibromo-2,5-bis(3,4-ethyleneoxy)thiophenyl)-triethylene glycol benzene and 1,4-dibromo-2,5-bis(3,4-ethyleneoxy)thiophenyl)-2,5-bis-tetaethylene glycol benzene.    EXAMPLE - 1-(2,5-Dibromo-3-(2-(2-(2-methoxyethoxy)ethoxy)ethoxy)phenyl)-1,4,7,10-tetraoxaundecane (6.91 mM) and (2H,3H-thieno(3,4-b)(1,4)dioxin-5-yl)zinc chloride (33 mM) were reacted in presence of tetrahydrofuran (50 ml) and tetrakis(triphenyl phosphine)palladium (0.03 mM) to obtain 1,4-bis(2-(3,4-ethyleneoxy)ethinyl)-2,5-bis triethylene glycol methyl ether benzene (IA) having yield of 87%.