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Search results for “perovskite”

Solliance hits 28.7% efficiency on perovskite/silicon tandem solar cell

The Dutch consortium has achieved the record result by combining, in a four-terminal tandem configuration, an 18.6% efficient highly near-infrared transparent perovskite with a prototype of a c-Si interdigitated back contact (IBC) silicon heteroJunction (SHJ) cell developed by Japanese electronics manufacturer Panasonic. The perovskite cell was also combined with other kinds of solar cells and other remarkable record efficiencies were hit.

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Perovskite solar cell with larger grain size and 23.17% efficiency

The result was achieved for a small area device with the size of 0.1 sq cm. The cell was fabricated with a Tin(IV) oxide electron transport layer modified with crystalline polymeric carbon nitrides (cPCN).

Chinese startup claims 20.5% efficiency for mini perovskite PV module

China’s UtmoLight has developed a new PV module with an area of just 63.98 cm2 and a 20.5% efficiency rate, as certified by Japan Electrical Safety & Environment Technology Laboratories.

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UNIST, EPFL claim 25.6% efficiency world record for perovskite solar cell

Scientists have set a new efficiency record for a single-junction perovskite solar cell at 25.6%. The cell additionally showed operational stability for 450 hours, and intense electroluminescence with external quantum efficiencies of more than 10%.

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Multi-layer front contact perovskite solar cells with 16.55% efficiency

Japanese scientists have used spray pyrolysis deposition to fabricate perovskite solar cells based on a titanium oxide electron transport layer. They claim that the cells have the potential to reach a power conversion efficiency rating of more than 30%.

MIT scientists reveal method to identify stable perovskites

U.S. researchers are using a data fusion approach to identify the most stable perovskites for PV cells. Their machine-learning method combines perovskite test results with first-principles physical modeling to identify the best candidates.

18.3%-efficient perovskite solar cell for automatic light adjustment

Chinese scientists have powered two electrochromic devices with a perovskite solar cell based on a hole transporting material made of poly(triarylamine) (PTAA). The cell has an open-circuit voltage of 1.02 V, a short-circuit current of 22.8 mA/cm2, and a fill factor of 78.4%. When solar radiation is higher, the cells drive the electrochromic devices into a dark state, which in turn reduces the light that can enter a building.

Perovskite solar module with 17% efficiency

A research team led by the University of Rome Tor Vergata in Italy has fabricated a perovskite solar module with a total active area of 42.8 cm2 and aperture area of 50 cm2. The panel was built with 20%-efficient perovskite cells connected in 14 series and was able to retain 90% of the initial efficiency after 800 h of thermal stress at 85° C.

Polyelectrolyte-based inverted perovskite solar cell with 20.29% efficiency

Taiwanese researchers have added bathocuproine (BCP) molecules to three different kinds of solvents used in perovskite cells and have ascertained how this combination increases the carrier mobility and passivates the electron-poor defects. Furthermore, they utilized a polyelectrolyte (P3CT-Na) thin film as hole transporting material instead of commonly-used thin films based on PEDOT:PSS.

New manufacturing tech for 16.06%-efficient mini perovskite solar modules

A US-Taiwanese research group has created a new spin coating method which they claim can be applied in the mass production of mini perovskite panels. The scientists used sulfolane as an additive in the perovskite precursor to convert the perovskite phase via a new reaction route. They demonstrated a mini-module with a power conversion efficiency of 16.06% and an active area of 36.6 cm2.

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