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Author

Anthony Calcaterra

Bio: Anthony Calcaterra is an academic researcher. The author has contributed to research in topics: Solar cell & Layer (electronics). The author has an hindex of 7, co-authored 16 publications receiving 236 citations.

Papers
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Patent
05 Aug 2011
TL;DR: In this paper, a backplane for back contact solar cells that provides for solar cell substrate reinforcement and electrical interconnects is described, which comprises depositing an inter-digitated pattern of base electrodes and emitter electrodes on a backside surface of a semiconductor substrate, forming electrically conductive emitter plugs and base plugs on the inter-determined pattern, and attaching a second backplane having a second inter-decomposition pattern of EB electrodes and EB electrodes at the conductive EB and EB plugs.
Abstract: Fabrication methods and structures relating to backplanes for back contact solar cells that provide for solar cell substrate reinforcement and electrical interconnects are described. The method comprises depositing an interdigitated pattern of base electrodes and emitter electrodes on a backside surface of a semiconductor substrate, forming electrically conductive emitter plugs and base plugs on the interdigitated pattern, and attaching a backplane having a second interdigitated pattern of base electrodes and emitter electrodes at the conductive emitter and base plugs to form electrical interconnects.

63 citations

Patent
02 Apr 2013
TL;DR: In this paper, fabrication methods and structures relating to multi-level metallization for solar cells as well as fabrication method and structures for forming back contact solar cells are provided; however, they do not provide a detailed discussion of the fabrication process.
Abstract: Fabrication methods and structures relating to multi-level metallization for solar cells as well as fabrication methods and structures for forming back contact solar cells are provided.

45 citations

Patent
28 Mar 2012
TL;DR: In this article, a backplane for back contact solar cells that provides for solar cell substrate reinforcement and electrical interconnects is described, and the method comprises depositing an interdigitated pattern of base electrodes and emitter electrodes on a backside surface of a semiconductor substrate.
Abstract: Fabrication methods and structures relating to backplanes for back contact solar cells that provide for solar cell substrate reinforcement and electrical interconnects are described. The method comprises depositing an interdigitated pattern of base electrodes and emitter electrodes on a backside surface of a semiconductor substrate, attaching a prepeg backplane to the interdigitated pattern of base electrodes and emitter electrodes, forming holes in the prepeg backplane which provide access to the first layer of electrically conductive metal, and depositing a second layer of electrically conductive metal on the backside surface of the prepeg backplane forming an electrical interconnect with the first layer of electrically conductive metal through the holes in the prepeg backplane.

40 citations

Patent
09 Aug 2012
TL;DR: In this article, the fabrication methods and structures relating to backplanes for back contact solar cells that provide for solar cell substrate reinforcement and electrical interconnects as well as Fabrication method and structures for forming thin film backcontact solar cells are described.
Abstract: Fabrication methods and structures relating to backplanes for back contact solar cells that provide for solar cell substrate reinforcement and electrical interconnects as well as Fabrication methods and structures for forming thin film back contact solar cells are described.

36 citations

Patent
09 Dec 2010
TL;DR: A back contact back junction solar cell using semiconductor wafers and methods for manufacturing is described in this article, where the back contact solar cell comprises a semiconductor Wafer having a doped base region, a light capturing front side surface, and a Doped backside emitter region.
Abstract: A back contact back junction solar cell using semiconductor wafers and methods for manufacturing are provided. The back contact back junction solar cell comprises a semiconductor wafer having a doped base region, a light capturing front side surface, and a doped backside emitter region. A front side and backside dielectric layer and passivation layer provide enhance light trapping and internal reflection. Backside base and emitter contacts are connected to metal interconnects forming a metallization pattern of interdigitated fingers and busbars on the backside of the solar cell.

20 citations


Cited by
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Patent
19 Dec 2014
TL;DR: A high efficiency configuration for a solar cell module comprises solar cells arranged in a shingled manner to form super cells, which may be arranged to efficiently use the area of the solar module, reduce series resistance, and increase module efficiency as mentioned in this paper.
Abstract: A high efficiency configuration for a solar cell module comprises solar cells arranged in a shingled manner to form super cells, which may be arranged to efficiently use the area of the solar module, reduce series resistance, and increase module efficiency.

164 citations

Patent
25 Jun 2015
TL;DR: In this paper, the authors described the methods of passivating light-receiving surfaces of solar cells with high energy gap (Eg) materials, and the resulting solar cells.
Abstract: Methods of passivating light-receiving surfaces of solar cells with high energy gap (Eg) materials, and the resulting solar cells, are described. In an example, a solar cell includes a substrate having a light-receiving surface. A passivating dielectric layer is disposed on the light-receiving surface of the substrate. A Group III-nitride material layer is disposed above the passivating dielectric layer. In another example, a solar cell includes a substrate having a light-receiving surface. A passivating dielectric layer is disposed on the light-receiving surface of the substrate. A large direct band gap material layer is disposed above the passivating dielectric layer, the large direct band gap material layer having an energy gap (Eg) of at least approximately 3.3. An anti-reflective coating (ARC) layer disposed on the large direct band gap material layer, the ARC layer comprising a material different from the large direct band gap material layer.

106 citations

Patent
29 Aug 2011
TL;DR: In this article, an anti-reflection layer is deposited on top of a semiconductor structure to form a photovoltaic structure, and a front-side electrode grid comprising a metal stack is formed.
Abstract: One embodiment of the present invention provides a method for fabricating solar cells. During operation, an anti-reflection layer is deposited on top of a semiconductor structure to form a photovoltaic structure, and a front-side electrode grid comprising a metal stack is formed on top of the photovoltaic structure. The metal stack comprises a metal-adhesive layer comprising Ti or Ta, and a conducting layer comprising Cu or Ag situated above the metal-adhesive layer.

63 citations

Patent
09 Jan 2015
TL;DR: In this paper, a front-side cover, a back-side covers, and a plurality of solar cells are arranged between the front-and back-sides of a solar module.
Abstract: One embodiment of the present invention provides a solar module. The solar module includes a front-side cover, a back-side cover, and a plurality of solar cells situated between the front- and back-side covers. A respective solar cell includes a multi-layer semiconductor structure, a front-side electrode situated above the multi-layer semiconductor structure, and a back-side electrode situated below the multi-layer semiconductor structure. Each of the front-side and the back-side electrodes comprises a metal grid. A respective metal grid comprises a plurality of finger lines and a single busbar coupled to the finger lines. The single busbar is configured to collect current from the finger lines.

57 citations

Patent
23 Feb 2015
TL;DR: In this article, a solar cell module is provided, which includes a substrate, a plurality of unit cells including a first electrode, a semiconductor layer, and a second electrode that are sequentially deposited on the substrate.
Abstract: A solar cell module is provided. The solar cell module includes: a substrate; a plurality of unit cells including a first electrode, a semiconductor layer, and a second electrode that are sequentially deposited on the substrate; a first sub-module and a second sub-module having the unit cells, respectively; a first longitudinal pattern dividing the unit cells of the first sub-module, and a second longitudinal pattern dividing the unit cells of the second sub-module; a transverse pattern dividing the first sub-module and the second sub-module; and an insulating portion disposed near the transverse pattern, and insulating between the first sub-module and the second sub-module, wherein the unit cells of the first sub-module are connected in series through the first longitudinal pattern, the unit cells of the second sub-module are connected in series through the second longitudinal pattern, and the first sub-module and the second sub-module are connected in series through the transverse pattern.

56 citations