28-01-2021 дата публикации
Номер: US20210025062A1
Принадлежит:
A photoelectrochemical device includes a substrate having a metallic electrocatalyst, a first ohmic contact layer arranged on the substrate, a tandem photoabsorber arranged on the first ohmic contact layer, a second ohmic contact layer arranged on the tandem photoabsorber, and a protective layer arranged on the second ohmic contact layer. The substrate is comprised of a different material than the tandem photoabsorber. 1100100900900. A photoelectrochemical device (A , B , A , B) comprising:{'b': 105', '905, 'a substrate (, ) comprising a metallic electrocatalyst;'}{'b': 110', '910', '105', '905, 'a first ohmic contact layer (, ) arranged on the substrate (, );'}{'b': 115', '915', '110', '910, 'a tandem photoabsorber (, ) arranged on the first ohmic contact layer (, );'}{'b': 120', '920', '115', '915, 'a second ohmic contact layer (, ) arranged on the tandem photoabsorber (, ); and'}{'b': 125', '925', '120', '1120, 'a protective layer (, ) arranged on the second ohmic contact layer (, ),'}{'b': 105', '905', '115', '915, 'wherein the substrate (, ) is comprised of a different material than the tandem photoabsorber (, ).'}2. The photoelectrochemical device of claim 1 , wherein the tandem photoabsorber comprises first and second photoabsorbers claim 1 , each comprising group III and group V materials.3. The photoelectrochemical device of claim 2 , wherein the first photoabsorber comprises gallium arsenide and the second photoabsorber comprises indium gallium phosphide.4. The photoelectrochemical device of claim 1 , further comprising:a metallic electrocatalyst physically separated from and electrically coupled to the second ohmic contact.5. The photoelectrochemical device of claim 1 , wherein the metallic electrocatalyst of the substrate is nickel or nickel oxide.6. The photoelectrochemical device of claim 1 , wherein the substrate is flexible.7. The photoelectrochemical device of claim 1 , further comprising:a second metallic electrocatalyst on which the substrate is ...
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