Solar energy and agroproduction structures and facilities

Patent metadata

Field	Value
Publication number	US-2024047143-A1
Application number	US-202118258509-A
Country	US
Kind code	A1
Filing date	Dec 20, 2021
Priority date	Dec 21, 2020
Publication date	Feb 8, 2024
Grant date	—

Abstract

The invention concerns a transparent or semitransparent film comprising a perovskite material absorbing light within the photosynthetically active radiation (PAR) spectrum.

First claim

1 - 44 . (canceled)

45 . A transparent or semitransparent film comprising or consisting at least one perovskite material absorbing light within the photosynthetically active radiation (PAR) spectrum.

46 . The film according to claim 45 , wherein said perovskite material absorbs light of a wavelength below a wavelength within a range between 610 nm and 620 nm.

47 . The film according to claim 45 , provided on a transparent substrate, having a two dimensional or three-dimensional (curved) surface, wherein the substrate is optionally conductive.

48 . The film according to claim 45 , wherein the perovskite is MA 0.25 FA 0.75 Pb(I 0.25 Br 0.75 ) 3 , or Cs 0.2 FA 0.8 Pb(I 0.3 Br 0.7 ) 3 , or MA n FA 1-n Pb(I x Br 1-x ) 3 , wherein each of x and n, independently of the other, is between 0.2 and 0.3, or Cs n FA 1-n Pb(I x Br 1-x ) 3 wherein n is between 0.15 and 0.25 and wherein x is between 0.2 and 0.4.

49 . A device implementing a film according to claim 45 .

50 . The device according to claim 49 , being an electrical device or a photoelectric device.

51 . The device according to claim 49 , wherein the photoelectric device is a photovoltaic device (cell), a sensitizer, a light harvesting device or a light concentrator.

52 . The device according to claim 50 , wherein the photovoltaic device is configured as a solar panel.

53 . The device according to claim 52 , wherein the solar panel is shaped or adapted as a roof panel.

54 . A photovoltaic device comprising a film according to claim 45 , the photovoltaic cell being configured to selectively convert light having a wavelength or a wavelength range of below 610 nm to electricity and to allow light of a wavelength above 610 or 620 nm to be transmitted therethrough.

55 . The device according to claim 54 , comprising or consisting a substrate, at least one transparent or semitransparent perovskite film according to claim 45 , at least one conductive layer, optionally a scaffold structure layer, and further optionally at least one hole conductive layer.

56 . The device according to claim 55 , comprising:
a conductive transparent substrate; the film of a perovskite material; optionally a hole transporter layer; and a metal contact.

57 . The device according to claim 54 , comprising
a titanium oxide continuous conductive layer; and a titanium oxide particulate layer.

58 . The device according to claim 57 , wherein the perovskite is MA 0.25 FA 0.75 Pb(I 0.25 Br 0.75 ) 3 , or Cs 0.2 FA 0.8 Pb(I 0.3 Br 0.7 ) 3 , or MA n FA 1-n Pb(I x Br 1-x ) 3 , wherein each of x and n, independently of the other, is between 0.2 and 0.3, or Cs n FA 1-x Pb(I x Br 1-x ) 3 wherein n is between 0.15 and 0.25 and wherein x is between 0.2 and 0.4.

59 . An agricultural structure comprising (i) a solar panel or a photovoltaic device provided on the structure's roof and/or (ii) a roof panel or top panel being the solar panel or the photovoltaic device, the device implementing MA 0.25 FA 0.75 Pb(I 0.25 Br 0.75 ) 3 , or implementing Cs 0.2 FA 0.8 Pb(I 0.3 Br 0.7 ) 3 , or implementing MA n FA 1-n Pb(I x Br 1-x ) 3 , wherein each of x and n, independently of the other, is between 0.2 and 0.3, or implementing Cs n FA 1-n Pb(I x Br 1-x ) 3 wherein n is between 0.15 and 0.25 and wherein x is between 0.2 and 0.4.

60 . A solar panel implementing at least one perovskite material having an absorbance below 610 nm and transmittance above 610 or 620 nm.

61 . The solar panel according to claim 60 , for generating electricity, the solar panel being configured as a roof panel.

62 . The solar panel according to claim 60 , configured as a roof panel for agricultural enclosures.

63 . A method for reducing growing temperatures in an enclosed agricultural facility, the method comprising allowing a portion of incident solar radiation to irradiate into the facility through one or more solar panels implementing a film of a perovskite material having an absorbance below 610 nm and transmittance above 610 nm to thereby filtering the incident light and reducing temperatures within the facility.

64 . The method according to claim 63 , wherein the one or more solar panels are positioned on the roof of the facility.

65 . The method according to claim 63 , wherein the one or more solar panels are roof panels.

Assignees

• Yissum Res Dev Co Of Hebrew Univ Jerusalem Ltd

Inventors

• Etgar Lioz
• Rabinowitch Haim David

Classifications

• H01G9/2009 Primary

  Solid electrolytes · CPC title

• H10K85/50 Primary

  Organic perovskites; Hybrid organic-inorganic perovskites [HOIP], e.g. CH3NH3PbI3 · CPC title

• F24S80/52

  characterised by the material (for preventing heat loss F24S80/56) · CPC title

• H02S20/23

  specially adapted for roof structures · CPC title

• H10K30/30

  comprising bulk heterojunctions, e.g. interpenetrating networks of donor and acceptor material domains · CPC title