Product Applications

Photovoltaic Quantum Dot Solar Cells are efficient, economical, can take many forms and shapes. In addition to Solar Cells, here are some examples of possible high-volume photovoltaic quantum dot uses:

Building Integrated Photovoltaics (BIPV)

Solterra’s ability to develop solar cells can be transformed into other form factors and shapes. Possible applications include films and glass incorporating quantum dots and metal oxide nanoparticles that have properties to absorb light energy for shade, heat dissipation and energy generation resulting in comfortable environment, less energy usage, lower long-term costs and carbon footprint benefits. BIPV applications include Building Integrated PV, chromatic ultraviolet (UV) or IR glass and films for windows, walls, roof tiles and sensors. IR solar BIPV windows would let in all the visible light but would absorb part of the 43% of sunlight which is Infrared light while reducing the building’s thermal footprint and cooling needs. UV solar BIPV would convert harmful UV rays to electricity but let visible light through.

Printed Sensors for the Internet of Things (IoT)

Sensors for temperature and weather, motion and security, and a broad variety of IoT applications can be printed for photovoltaic, photochemical, photocatalytic, photoelectrochemical and photoelectrical uses.

Portable Photovoltaics

Small PV units can be mounted directly onto personal electronics to either directly power or recharge small handheld smartphone and tablet batteries, LED lanterns and wearable electronics. For military field use, off-grid standalone PV power solar cells can be folded or rolled-up and transported easily in tubes then laid on portable supports when needed.

Infrared Photovoltaic Cells

The concept of Infrared photovoltaic cells is attracting attention because 43% of the approximately 1000W/m2 of the intensity  of sunlight is within the invisible infrared region. Silicon solar panels cannot absorb this, but quantum dot solar cells can use the invisible infrared for generating electricity all hours of the day and night. Tetrapods are ideal absorbers naturally aligning in polymer and film with their billions of nanoantenna arms extending toward the light.

Arctic (IR) and Antarctic (UV) Photovoltaic

Infrared solar cells could operate very well in the 6-month arctic night because IR waves from space arrive 24 hours/day. A UV solar cell would  operate extremely well in the Antarctic because the lack of proper atmosphere under the permanent Ozone hole does not reflect UV waves back into  space but lets them through.

Thermovoltaics Cells using Fuel-Fire Emitters

Thermovoltaics and enhanced thermoelectric energy conversion are subsets of infrared photovoltaic cells that are designed to capture radiation from a fuel-fire emitter; and co-generation of electricity and heat are said to be quiet, reliable, clean and efficient.  A 1 cm2 silicon cell in direct sunlight will generate about 0.01W, but an efficient infrared photovoltaic cell of equal size can produce theoretically 1W in a fuel-fired system.  QDX™ heat resistant quantum dots may be used in thermovoltaics and other heat related applications using Infrared type quantum dots.

Photocatalytic Hydrogen Production for Fuel

Solar energy can be used to produce hydrogen by a photocatalytic or photelectrochemical reaction as quantum dots absorb solar rays and  directly emit excitons for “splitting” water into its component parts,  hydrogen and oxygen. The hydrogen can be stored for use in fuel cells to produce electricity.

Solar Thermal

Solar Thermal Collectors absorb photons and convert them to heat for heating water to very high temperatures, to make steam for desalinating water, or to turn electric turbines to produce electricity. One typical application are black metal heat absorbers on pipes of circulating water. Any wasted heat could be captured by QDX™ heat resistant quantum dots and changed into electricity to enhance the system.