ORGANIC HALIDES AND COMPLEX METAL HALIDES, METHODS FOR THEIR PRODUCTION, A PHOTOVOLTAIC DEVICE WITH A PHOTOACTIVE LAYER BASED ON COMPLEX METAL HALIDES AND A METHOD FOR MANUFACTURING THIS DEVICE Russian patent published in 2023 - IPC C07C257/12 C07C257/14 H01L31/18 H10K30/50 H10K71/12 H10K71/15 H10K85/50 C07F7/24 C07F7/22 C07F7/30 

FIELD: solar energy.

SUBSTANCE: invention relates namely to photovoltaic converters based on perovskite-type semiconductor materials. Organic halides of the general formula (I) are proposed, where: For the cases where R=H and R¹=CH₃, radicals R² and R³ are the same and represent H, and X^- represents an anion from among Br^-, PbBr^3-, PbI^3-, SnBr^3-, SnI^3-, GeBr^3-, GeI^3-; for the cases where R=H and R¹=CH₃, radicals R² and R³ are equal and represent alkyl substituents from among CH₃, C₂H₅ or n-C₃H₇ and X^- represents an anion from among Br^-, I^-, PbBr^3-, PbI^3-, SnBr^3-, SnI^3-, GeBr^3-, GeI^3-; where R=H and R¹=R²=CH₃, radical R³ is an alkyl substituent from among C₂H₅ or n-C₃H₇ and X^- is an anion from among Br^-, I^-, PbBr^3-, PbI^3-, SnBr^3-, SnI^3-, GeBr^3-, GeI^3-; where R=R¹=H, radicals R₂ and R₃ are equal and are alkyl substituents from among CH₃, C₂H₅ or n-C₃H₇ and X^- is an anion from among Br^-, PbBr^3-, PbI^3-, SnBr^3-, SnI^3-, GeBr^3-, GeI^3-; where R=R¹=H and R²=CH3, radical R³ is an alkyl substituent of C₂H₅ or n-C₃H₇ and X^- is an anion of Br^-, I^-, PbBr^3-, PbI^3-, SnBr^3-, SnI^3-, GeBr^3-, GeI^3-; for the cases where R=R¹=CH₃, radicals R² and R³ are the same and represent hydrogen atom H or alkyl substituents from among CH₃, C₂H₅ or n-C₃H₇ and X^- represents an anion from among I^-, PbBr^3-, PbI^3-, SnBr^3-, SnI^3-, GeBr^3-, GeI^3-; where R=R¹=CH₃, and R²=H, radical R³ is an alkyl substituent of CH₃, C₂H₅ or n-C₃H₇ and X^- is an anion of Br^-, I^-, PbBr^3-, PbI^3-, SnBr^3-, SnI^3-, GeBr^3-, GeI^3-; for the cases where R=CH₃ and R¹ is represented by -CH=NH fragment, radicals R² and R³ are equal and represent hydrogen atom H or alkyl substituents from among CH₃, C₂H₅ or n-C₃H₇ and X^- represents anion from among Br^-, I^-, PbBr^3-, PbI^3-, SnBr^3-, SnI^3-, GeBr^3-, GeI^3-; for the cases where R=R²=CH₃ and R¹ is represented by -CH=NH, R³ represents the hydrogen atom H or alkyl substituents from among CH₃, C₂H₅ or n-C₃H₇ and X^- represents the anion from among Br^-, I^-, PbBr^3-, PbI^3-, SnBr^3-, SnI^3-, GeBr^3-, GeI^3-; for the cases where R is an alkyl substituent of C₂H₅ or n-C₃H₇, R¹=H, radicals R² and R³ are the same and are CH₃, and X^- is an anion from among Br^-, I^-, PbBr^3-, PbI^3-, SnBr^3-, SnI^3-, GeBr^3-, GeI^3-; for the cases where R is an alkyl substituent of C₂H₅ or n-C₃H₇, R¹=CH₃, radicals R² and R³ are the same and are H or CH₃, and X^- represents an anion from among Br^-, I^-, PbBr^3-, PbI^3-, SnBr^3-, SnI^3-, GeBr^3-, GeI^3-. Also proposed are halides of formula (Ia), a method for producing organic halides, a photovoltaic device and a method for its manufacture.

EFFECT: invention improves the efficiency (efficiency>19%) and operational stability of p-i-n and n-i-p configuration perovskite solar cells.

35 cl, 19 dwg, 11 ex