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perovskite solar cells

16.63%-efficient perovskite PV module via slot-die coating

Scientists in China have developed a large-area perovskite solar panel by utilizing diphenyl sulfoxide (DPSO) as an electron acceptor. The device was fabricated via slot-die coating, and featured a parallel-interconnection architecture.

A different angle on perovskite defects

Scientists in China took a closer look at the role of defects in limiting the performance of perovskite solar cells, demonstrating a screening effect that could be tuned to make material defects “invisible” to charge carriers, greatly improving cell performance. Using this approach they demonstrate a 22% efficient inverted perovskite solar cell, and theorize several new pathways to even higher performance.

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).

Hair! Coming to a next-generation PV cell near you

Scientists have found that a human hair derivative can protect, stabilize and enhance the performance of perovskite solar cells.

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.

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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URE Corp wants to begin TopCon solar cell production this year

The Taiwanese cell and module manufacturer claims to have achieved a 23.5% efficiency for its TopCon solar cell.

Metal-perovskite-metal back contact solar cell with 4.31% efficiency

A numerical study by researchers at India’s Chitkara University has shown enhanced charge extraction in metal-perovskite-metal back-contact solar cell structure through electrostatic doping. The proposed design yielded a 59.4% improvement in power conversion efficiency over previously reported structures.

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MIT scientists develop perovskite solar cell with 25.2% efficiency

The US researchers claim to have achieved the remarkable result by adding a special conductive layer of tin dioxide bonded between the conductive layer and the perovskite material. They also improved the perovskite layer special additives that do not alter the material’s bandgap.

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