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Konarka Technologies, Inc. was a
solar energy Solar energy is the radiant energy from the Sun's sunlight, light and heat, which can be harnessed using a range of technologies such as solar electricity, solar thermal energy (including solar water heating) and solar architecture. It is a ...
company based in Lowell,
Massachusetts Massachusetts ( ; ), officially the Commonwealth of Massachusetts, is a U.S. state, state in the New England region of the Northeastern United States. It borders the Atlantic Ocean and the Gulf of Maine to its east, Connecticut and Rhode ...
, founded in 2001 as a
spin-off Spin-off, Spin Off, Spin-Off, or Spinoff may refer to: Entertainment and media *Spinoff (media), a media work derived from an existing work *''The Spinoff'', a New Zealand current affairs magazine * ''Spin Off'' (Canadian game show), a 2013 Canad ...
from
University of Massachusetts Lowell The University of Massachusetts Lowell (UMass Lowell and UML) is a Public university, public research university in Lowell, Massachusetts, with a satellite campus in Haverhill, Massachusetts. It is the northernmost member of the University of M ...
. In late May 2012, the company filed for Chapter 7 bankruptcy protection and laid off its approximately 80-member staff. The company’s operations have ceased and a trustee is tasked with liquidating the company’s assets for the benefit of creditors. The company was developing two types of organic solar cells: polymer-fullerene solar cells and
dye-sensitized solar cell A dye-sensitized solar cell (DSSC, DSC, DYSC or Grätzel cell) is a low-cost solar cell belonging to the group of thin film solar cells. It is based on a semiconductor formed between a photo-sensitized anode and an electrolyte, a '' photoelectr ...
s (DSSCs). Konarka cells were lightweight, flexible
photovoltaics Photovoltaics (PV) is the conversion of light into electricity using semiconducting materials that exhibit the photovoltaic effect, a phenomenon studied in physics, photochemistry, and electrochemistry. The photovoltaic effect is commerciall ...
that could be
printed Printing is a process for mass reproducing text and Printmaking, images using a master form or template. The earliest non-paper products involving printing include cylinder seals and objects such as the Cyrus Cylinder and the Cylinders of Nabon ...
as film or coated onto surfaces. The company had hoped its manufacturing process, which utilized
organic chemistry Organic chemistry is a subdiscipline within chemistry involving the science, scientific study of the structure, properties, and reactions of organic compounds and organic matter, organic materials, i.e., matter in its various forms that contain ...
, would result in higher
efficiency Efficiency is the often measurable ability to avoid making mistakes or wasting materials, energy, efforts, money, and time while performing a task. In a more general sense, it is the ability to do things well, successfully, and without waste. ...
at lower cost than traditional
crystalline silicon Crystalline silicon or (c-Si) is the crystalline forms of silicon, either polycrystalline silicon (poly-Si, consisting of small crystals), or monocrystalline silicon (mono-Si, a continuous crystal). Crystalline silicon is the dominant semicon ...
fabricated
solar cell A solar cell, also known as a photovoltaic cell (PV cell), is an electronic device that converts the energy of light directly into electricity by means of the photovoltaic effect.
s. Konarka was also researching
infrared Infrared (IR; sometimes called infrared light) is electromagnetic radiation (EMR) with wavelengths longer than that of visible light but shorter than microwaves. The infrared spectral band begins with the waves that are just longer than those ...
light activated photovoltaics which would enable night-time power generation. The company's co-founders included the
Nobel laureate The Nobel Prizes (, ) are awarded annually by the Royal Swedish Academy of Sciences, the Swedish Academy, the Karolinska Institutet, and the Norwegian Nobel Committee to individuals and organizations who make outstanding contributions in th ...
Alan J. Heeger Alan Jay Heeger (born January 22, 1936) is an American physicist, academic and Nobel Prize laureate in chemistry. Heegar was elected as a member into the National Academy of Engineering in 2002 for co-founding the field of conducting polymers ...
. The company was named after
Konark Sun Temple Konark Sun Temple is a Hindu temple, Hindu Surya, Sun temple at Konark about northeast from Puri, Puri city on the coastline in Puri district, Odisha, India.3i,
Draper Fisher Jurvetson Draper Fisher Jurvetson (DFJ) is an American venture capital firm. In January 2019, DFJ Venture, the early-stage team, spun out and formed Threshold Ventures. DFJ Growth continues to be managed by co-founder John Fisher and co-founders Mark Ba ...
,
New Enterprise Associates New Enterprise Associates (NEA) is an American-based venture capital firm. NEA focuses investment stages ranging from seed stage through growth stage across an array of industry sectors. With over $25 billion in committed capital, NEA is one of t ...
, Good Energies and Chevron Technology Ventures. Konarka also received nearly $10 million in combined grants from the
Pentagon In geometry, a pentagon () is any five-sided polygon or 5-gon. The sum of the internal angles in a simple polygon, simple pentagon is 540°. A pentagon may be simple or list of self-intersecting polygons, self-intersecting. A self-intersecting ...
and European governments, and in 2007 was approved for further funding through the Solar America Initiative, a component of the
White House The White House is the official residence and workplace of the president of the United States. Located at 1600 Pennsylvania Avenue Northwest (Washington, D.C.), NW in Washington, D.C., it has served as the residence of every U.S. president ...
's Advanced Energy Initiative. The company raised a further $45 million in private capital financing in October 2007 in a financing round led by Mackenzie Financial Corporation. The company also received $1.5 million from a state of Massachusetts alternative energy trust fund in 2003 during Governor
Mitt Romney Willard Mitt Romney (born March 12, 1947) is an American businessman and retired politician. He served as a United States Senate, United States senator from Utah from 2019 to 2025 and as the 70th governor of Massachusetts from 2003 to 2007 ...
's term and another $5 million during Governor
Deval Patrick Deval Laurdine Patrick (born July 31, 1956) is an American politician who served as the 71st governor of Massachusetts from 2007 to 2015. He was the first African Americans, African-American Governor of Massachusetts and the first Democratic Pa ...
's term. At the time of its bankruptcy filing in 2012, its funding history was summarized: "Konarka raised more than $170 million in private capital investments and $20 million in government grants, according to its website. Under the Bush administration, Konarka received a $1.6 million Army contract in 2005 and a $3.6 million award from the Department of Energy in 2007. Under the Obama administration, Konarka was one of 183 clean-energy companies that got a total of $2.3 billion in tax credits as part of the 2009 stimulus."Borchers, Callum
"Romney’s solar slam at Obama backfires"
''Boston Globe'' Political Notebook, June 05, 2012. Retrieved 2012-06-05.


Bankruptcy and political fallout

The bankruptcy filing occurred days after a visit by Republican presidential candidate Romney to Solyndra, another bankrupted solar energy firm which also received over $500 million of funding from the United States government. The fact that Konarka also received a loan in 2003 during Romney's gubernatorial term was noted by Democrats and inserted into the campaign-politics debate.


Technology


Dye-sensitized solar cells

Konarka in 2002 was granted licensee rights to dye-sensitized solar cell technology from the
Swiss Federal Institute of Technology The Swiss Federal Institutes of Technology are two institutes of higher education in Switzerland (part of the ETH Domain): * Swiss Federal Institute of Technology in Lausanne Swiss most commonly refers to: * the adjectival form of Switzerland *Sw ...
( EPFL). This solar-cell design included two main components: a special light-sensitive dye that released electrons when exposed to sunlight and
titanium dioxide Titanium dioxide, also known as titanium(IV) oxide or titania , is the inorganic compound derived from titanium with the chemical formula . When used as a pigment, it is called titanium white, Pigment White 6 (PW6), or Colour Index Internationa ...
nanoparticles which escorted electrons away from the dyes and to an external electronic circuit, generating electricity


Polymer-fullerene solar cells

Konarka built
photovoltaic Photovoltaics (PV) is the conversion of light into electricity using semiconducting materials that exhibit the photovoltaic effect, a phenomenon studied in physics, photochemistry, and electrochemistry. The photovoltaic effect is commercially ...
products using next generation
nanomaterials Nanomaterials describe, in principle, chemical substances or materials of which a single unit is sized (in at least one dimension) between 1 and 100 nm (the usual definition of nanoscale). Nanomaterials research takes a materials science ...
that were coated on rolls of plastic (Power Plastic). Konarka's
nanomaterials Nanomaterials describe, in principle, chemical substances or materials of which a single unit is sized (in at least one dimension) between 1 and 100 nm (the usual definition of nanoscale). Nanomaterials research takes a materials science ...
absorbed sunlight and indoor light and converted them into electrical energy. These products could be easily integrated as the power generation component for a variety of applications and could be produced and used virtually anywhere. Konarka was one of several companies developing
nanotechnology Nanotechnology is the manipulation of matter with at least one dimension sized from 1 to 100 nanometers (nm). At this scale, commonly known as the nanoscale, surface area and quantum mechanical effects become important in describing propertie ...
-based
solar cells A solar cell, also known as a photovoltaic cell (PV cell), is an electronic device that converts the energy of light directly into electricity by means of the photovoltaic effect.
, others include Nanosolar and
Nanosys Nanosys is a nanotechnology company located in Milpitas, California, Milpitas, California and founded in 2001. The company develops and manufactures quantum dot materials for display products. History On July 28, 2021, Bloomberg News, Bloomberg ...
. These materials, as well as positive and negative electrodes made from metallic inks, could be inexpensively spread over a sheet of plastic using printing and coating machines to make solar cells, using roll-to-roll manufacturing, similar to how newspaper is printed on large rolls of paper. Konarka’s manufacturing process enabled production to scale easily and results in significantly reduced costs over previous generations of solar cells. . Richard Hess, Konarka's president and CEO, said that the company's ability to use existing equipment allowed it to scale up production at one-tenth the cost compared with conventional technologies. Unlike conventional solar cells, which were packaged in modules made of glass and aluminum and were rigid and heavy, Konarka's solar cells were lightweight and flexible. This made them attractive for portable applications. What was more, they could be designed in a range of colors, which made them easier to incorporate attractively into certain applications. One of the first products to use Konarka's cells was to be
briefcase A briefcase or an attaché case (/əˈtæʃeɪ/) is a narrow hard-sided box-shaped bag or case used mainly for carrying papers and equipped with a handle. Lawyers commonly use briefcases to carry briefs to present to a court, hence the name. Bu ...
s that could recharge
laptop A laptop computer or notebook computer, also known as a laptop or notebook, is a small, portable personal computer (PC). Laptops typically have a Clamshell design, clamshell form factor (design), form factor with a flat-panel computer scree ...
s. Another company was testing Konarka's solar cells for use in umbrellas for outdoor tables at restaurants. They could also be used in
tent A tent is a shelter consisting of sheets of fabric or other material draped over or attached to a frame of poles or a supporting rope. While smaller tents may be free-standing or attached to the ground, large tents are usually anchored using g ...
s and
awning An awning or overhang is a secondary covering attached to the exterior wall of a building. It is typically composed of canvas woven of Acrylic fiber, acrylic, cotton or polyester yarn, or vinyl laminated to polyester fabric that is stretched tight ...
s. Because the solar cells could be made transparent, Konarka was also developing a version of its solar cells that could be laminated to windows to generate electricity and serve as a window tinting. However, the technology had several drawbacks. The solar cells only lasted a couple of years, unlike the decades that conventional solar cells last and the solar cells were relatively inefficient. Conventional solar cells can easily convert 15 percent of the energy in sunlight into electricity; Konarka's cells only converted up to 8.3%, the highest certified efficiency that the National Renewable Energy Laboratory had recorded for organic photovoltaic cells by that time.


Flexible batteries

Konarka owned the rights to an organic-based solar-recharging flexible battery technology.Technology Review magazine: "Flexible Batteries that Never Need to be Recharged"
April 4, 2007.
However, as of April 2007, Konarka had no plans to produce these commercially itself. Flexible batteries have thin-solar cells which are held inside a flexible gas barrier to prevent them from degrading when exposed to air. At just two grams in weight and just one millimetre thick, the flexible battery is small enough to be used in low-wattage gadgets - including flat smart cards and mobile phones. The potential for this type of product was seen as large, given that there was a growing demand for portable self-rechargeable power supplies.


Production


Dye-sensitized solar cells

Konarka Technologies and Renewable Capital announced the licensing and joint development of Konarka's
dye-sensitized solar cell A dye-sensitized solar cell (DSSC, DSC, DYSC or Grätzel cell) is a low-cost solar cell belonging to the group of thin film solar cells. It is based on a semiconductor formed between a photo-sensitized anode and an electrolyte, a '' photoelectr ...
technology for large-scale production, scaling to several hundred megawatts.


Polymer-fullerene solar cells

Konarka opened a commercial-scale factory, with the capacity to produce enough polymer-fullerene solar cells every year to generate one gigawatt of electricity, the equivalent of a large nuclear reactor. The company planned to gradually ramp up production at its new factory, reaching full capacity in two to three years.


Patents

Konarka was issued a number of United States
patent A patent is a type of intellectual property that gives its owner the legal right to exclude others from making, using, or selling an invention for a limited period of time in exchange for publishing an sufficiency of disclosure, enabling discl ...
s relating to its photovoltaics research:
6706963
Jan 25, 2002, "Photovoltaic cell interconnection"
6858158
Jan 24, 2003, "Low temperature interconnection of nanoparticles"
6900382
Jan 24, 2003, "Gel electrolytes for dye sensitized solar cells"
6913713
Jan 24, 2003, "Photovoltaic fibers"
6924427
Jan 24, 2003, "Wire interconnects for fabricating interconnected photovoltaic cells
6933436
Apr 27, 2001, "Photovoltaic cell"
6949400
Jan 24, 2003, "Ultrasonic slitting of photovoltaic cells and modules"
7022910
Mar 24, 2003, "Photovoltaic cells utilizing mesh electrodes"
7071139
Dec 20, 2002, "Oxynitride compounds, methods of preparation, and uses thereof" * 7186911, Jan 24, 2003, "Methods of scoring for fabricating interconnected photovoltaic cells"


See also

*
Fullerene A fullerene is an allotropes of carbon, allotrope of carbon whose molecules consist of carbon atoms connected by single and double bonds so as to form a closed or partially closed mesh, with fused rings of five to six atoms. The molecules may ...
*
Low cost solar cell A solar cell, also known as a photovoltaic cell (PV cell), is an electronic device that converts the energy of light directly into electricity by means of the photovoltaic effect.
*
Oerlikon Solar TEL Solar, formerly Oerlikon Solar, is a manufacturer of production equipment for the manufacturing of thin-film silicon cells, headquartered in Trübbach, Switzerland, near the border to Liechtenstein. The Japanese electronics and semiconductor ...
*
Organic electronics Organic electronics is a field of materials science concerning the design, Chemical synthesis, synthesis, characterization, and application of Organic compound, organic molecules or polymers that show desirable Electronics, electronic properties ...


References


External links


Official website
of Konarka Technologies, Inc. {{Finance links , name = Konarka Technologies, Inc. , google = 13306589 , yahoo = 131/131815

Solar energy companies of the United States Dye-sensitized solar cells Organic solar cells Thin-film cell manufacturers Defunct technology companies based in Massachusetts Companies based in Lowell, Massachusetts Energy companies established in 2001 Renewable resource companies established in 2001 2001 establishments in Massachusetts 3i Group companies American companies established in 2001