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1. (WO2017035603) A PHOTOVOLTAIC CELL AND A METHOD OF FORMING A PHOTOVOLTAIC CELL
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Pub. No.: WO/2017/035603 International Application No.: PCT/AU2016/050835
Publication Date: 09.03.2017 International Filing Date: 02.09.2016
IPC:
H01L 31/032 (2006.01) ,H01L 31/0248 (2006.01) ,H01L 31/0749 (2012.01) ,H01L 31/0725 (2012.01) ,B82Y 30/00 (2011.01)
H ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
L
SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
31
Semiconductor devices sensitive to infra-red radiation, light, electromagnetic radiation of shorter wavelength, or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
0248
characterised by their semiconductor bodies
0256
characterised by the material
0264
Inorganic materials
032
including, apart from doping materials or other impurities, only compounds not provided for in groups H01L31/0272-H01L31/0312154
H ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
L
SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
31
Semiconductor devices sensitive to infra-red radiation, light, electromagnetic radiation of shorter wavelength, or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
0248
characterised by their semiconductor bodies
H ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
L
SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
31
Semiconductor devices sensitive to infra-red radiation, light, electromagnetic radiation of shorter wavelength, or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
04
adapted as conversion devices
06
characterised by at least one potential-jump barrier or surface barrier
072
the potential barriers being only of the PN heterojunction type
0749
including a AIBIIICVI compound, e.g. CdS/CuInSe2 [CIS] heterojunction solar cells
H ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
L
SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
31
Semiconductor devices sensitive to infra-red radiation, light, electromagnetic radiation of shorter wavelength, or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
04
adapted as conversion devices
06
characterised by at least one potential-jump barrier or surface barrier
072
the potential barriers being only of the PN heterojunction type
0725
Multiple junction or tandem solar cells
B PERFORMING OPERATIONS; TRANSPORTING
82
NANO-TECHNOLOGY
Y
SPECIFIC USES OR APPLICATIONS OF NANO-STRUCTURES; MEASUREMENT OR ANALYSIS OF NANO-STRUCTURES; MANUFACTURE  OR TREATMENT OF NANO-STRUCTURES
30
Nano-technology for materials or surface science, e.g. nano-composites
Applicants:
NEWSOUTH INNOVATIONS PTY LIMITED [AU/AU]; Rupert Myers Building Gate 14, Barker Street UNSW Sydney, New South Wales 2052, AU
Inventors:
CUI, Hongtao; AU
HAO, Xiaojing; AU
LIU, Fangyang; AU
LIU, Xiaolei; AU
LIU, Xu; AU
Agent:
GRIFFITH HACK; Level 29 Northpoint 100 Miller Street North Sydney, New South Wales 2060, AU
Priority Data:
201590360803.09.2015AU
Title (EN) A PHOTOVOLTAIC CELL AND A METHOD OF FORMING A PHOTOVOLTAIC CELL
(FR) CELLULE PHOTOVOLTAÏQUE ET PROCÉDÉ DE FORMATION DE CELLULE PHOTOVOLTAÏQUE
Abstract:
(EN) The present disclosure provides a photovoltaic device comprising a copper-based light-absorbing material. The copper-based light-absorbing material is formed on an intermediate carbon layer arranged to reduce the formation of voids at the rear of the device and reduce minority carrier. In some instances, the carbon layer is a graphene layer. Embodiments are also directed to a tandem photovoltaic device comprising a top cell, having a copper-based light-absorbing material, and a bottom cell having an absorber material with a bandgap lower than the copper-based light-absorbing material. The top and the bottom cells are interconnected by an intermediate carbon layer.
(FR) La présente invention concerne un dispositif photovoltaïque comprenant un matériau absorbant la lumière à base de cuivre. Le matériau absorbant la lumière à base de cuivre est formé sur une couche de carbone intermédiaire servant à réduire la formation de vides à l'arrière du dispositif et à réduire les porteurs minoritaires. Dans certains exemples, la couche de carbone est une couche de graphène. Des modes de réalisation concernent également un dispositif photovoltaïque en tandem comprenant une cellule supérieure, comprenant un matériau absorbant la lumière à base de cuivre, et une cellule inférieure comprenant un matériau absorbeur ayant une bande interdite inférieure à celle du matériau absorbant la lumière à base de cuivre. Les cellules supérieure et inférieure sont interconnectées par une couche de carbone intermédiaire.
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)