# US 2009/0260682 A1 · Quantum dot solar cell

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- Number: US 2009/0260682 A1
- Document ID: US20090260682A1
- Status: Published application
- Kind: A1
- Application number: 12/412,227
- Filed: 2009-03-26
- Published: 2009-10-22
- Earliest claimed: 2008-04-22
- Assignees: Honeywell International Inc.
- Inventors: Bogdan-Catalin Serban; Mihai N. Mihaila; Cazimir-Gabriel Bostan; Viorel-Georgel Dumitru
- Web page: https://patentgrep.com/patent/US20090260682A1

## CPC

- H10F 77/147: {Shapes of bodies}
- B82Y 10/00: Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
- H10K 85/761: {Biomolecules or bio-macromolecules, e.g. proteins, chlorophyl, lipids or enzymes}
- H10K 30/151: {the wide bandgap semiconductor comprising titanium oxide, e.g. TiO2}
- H10K 30/50: Photovoltaic [PV] devices
- H10K 85/113: {Heteroaromatic compounds comprising sulfur or selene, e.g. polythiophene}
- Y02E 10/549: Organic PV cells
- H10F: INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- B82Y: SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES
- Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION

## Abstract

A solar cell is disclosed that includes an electron conductor layer and a quantum dot layer. The quantum dot layer may include a plurality of quantum dots. A bridge layer may be coupled to the electron conductor layer and to the quantum dot layer. The bridge layer may include an antibiotic, a sulfur-containing amino acid, a vitamin, and/or a vitamin analogue. In some cases, a hole conductor layer may be coupled to the quantum dot layer.

## Claims

### Claim 1

A solar cell, comprising:
an electron conductor layer;
a quantum dot layer including a plurality of quantum dots;
a bridge layer coupled to the electron conductor layer and to the quantum dot layer, the bridge layer comprising an antibiotic; and
a hole conductor layer coupled to the quantum dot layer.

### Claim 2 (depends on 1)

The solar cell of claim 1, wherein the bridge layer includes

### Claim 3 (depends on 1)

The solar cell of claim 1, wherein the bridge layer includes

### Claim 4 (depends on 1)

The solar cell of claim 1, wherein the bridge layer includes

### Claim 5 (depends on 1)

The solar cell of claim 1, wherein the bridge layer includes

### Claim 6 (depends on 1)

The solar cell of claim 1, wherein the bridge layer includes

### Claim 7 (depends on 1)

The solar cell of claim 1, wherein the bridge layer includes

### Claim 8 (depends on 1)

The solar cell of claim 1, wherein the bridge layer includes

### Claim 9 (depends on 1)

The solar cell of claim 1, wherein the bridge layer includes

### Claim 10 (depends on 1)

The solar cell of claim 1, wherein the bridge layer includes
where R is C6H5—CH2 or C6H5—O—CH2.

### Claim 11 (depends on 1)

The solar cell of claim 1, wherein the bridge layer includes
where R is pentyl, hexyl or benzyl.

### Claim 12 (depends on 1)

The solar cell of claim 1, wherein the bridge layer includes

### Claim 13 (depends on 1)

The solar cell of claim 1, wherein the bridge layer includes

### Claim 14 (depends on 1)

The solar cell of claim 1, wherein the hole conductor layer comprises a conductive polymer that includes
as a repeating unit, where R is absent or alkyl and m is an integer ranging from about 6 to about 12.

### Claim 15

A solar cell, comprising:
an electron conductor layer;
a quantum dot layer;
a bridge layer coupled to the electron conductor layer and to the quantum dot layer, the bridge layer comprising a sulfur-containing amino acid; and
a hole conductor layer coupled to the quantum dot layer.

### Claim 16 (depends on 15)

The solar cell of claim 15, wherein the bridge layer includes

### Claim 17 (depends on 15)

The solar cell of claim 15, wherein the bridge layer includes

### Claim 18 (depends on 15)

The solar cell of claim 15, wherein the bridge layer includes

### Claim 19 (depends on 15)

The solar cell of claim 15, wherein the bridge layer includes

### Claim 20 (depends on 15)

The solar cell of claim 15, wherein the bridge layer includes

### Claim 21 (depends on 15)

The solar cell of claim 15, wherein the bridge layer includes

### Claim 22 (depends on 15)

The solar cell of claim 15, wherein the bridge layer includes

### Claim 23 (depends on 15)

The solar cell of claim 15, wherein the hole conductor layer comprises a conductive polymer that includes
as a repeating unit, where R is absent or alkyl and m is an integer ranging from about 6 to about 12.

### Claim 24

A solar cell, comprising:
an electron conductor layer;
a quantum dot layer;
a bridge layer coupled to the electron conductor layer and to the quantum dot layer, the bridge layer comprising a vitamin or a vitamin analogue; and
a hole conductor layer coupled to the quantum dot layer.

### Claim 25 (depends on 24)

The solar cell of claim 24, wherein the bridge layer comprises

### Claim 26 (depends on 24)

The solar cell of claim 24, wherein the bridge layer comprises

### Claim 27 (depends on 24)

The solar cell of claim 24, wherein the bridge layer comprises

### Claim 28 (depends on 24)

The solar cell of claim 24, wherein the bridge layer comprises

### Claim 29 (depends on 24)

The solar cell of claim 24, wherein the hole conductor layer comprises a conductive polymer that includes
where m is an integer ranging from about 6 to about 12 and R is absent or alkyl.