Tandem organic solar cells reaches 15% efficiency

Researchers at the University of Michigan have found a way to stack solution-processed organic solar cells on top of vacuum-processed cells, creating an tandem solar cell with 15% efficiency. “For the last couple of years, efficiency for organic photo-voltaics was stuck around 11 to 12%,” said Michigan physicist Xiaozhou Che. The top solution-processed non-fullerene-acceptor cell ...

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Manchester thin-film oxide transistor hits 1GHz

The university of Manchester has made a 1GHz thin-film transistor from amorphous IGZO – indium gallium zinc oxide. The devices, created with Shandong University in China, are made on a high-resistance silicon substrate using Ta2O5 gate dielectric. The material is 80% transparent, opening the door to display applications. “Making a high performance device, like our GHz ...

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Picture Gallery: PA’s Raspberry Pi Competition 2018, in picture form

The theme for this year’s PA Consulting’s Raspberry Pi Competition 2018 was Sustainability. More than 100 schools were challenged to build projects around the credit card-sized computer that could help to ‘save the planet’. And these entries were whittled down to the nine finalists judged at the IET, at Savoy Place, last week. The imaginative ...

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Sound shaping technology to be funded by RAEng

A professor at the University of Sussex has been given the job of making the UK a world-leader in sound shaping technology. Professor Sriram Subramanian has been named a Royal Academy of Engineering (RAEng) chair for the development of novel acoustic interfaces. This is one of a ten areas of development emerging technology being created ...

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Internal magnet means Hall sensor detects plain steel

Allegro MicroSystems precision programmable Hall sensor IC that includes differential Hall elements and an internal rare-earth magnet to allow it to detect ferrous targets that are not themselves magnetic. Called ATS344, it is intended for automotive applications requiring high resolution detection of long stroke (>5 mm) linear motion. “The ATS344 is well-suited for applications that require ...

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Blighter wins first radar sale into India

Cambridge-based Blighter Surveillance Systems has made its first sale into India for its Blighter B400 series ground surveillance radar. The contract was awarded by system integrator Tata Power following a trial organised by India’s border management organisation in Gwalior in 2016. Blighter radars will be deployed by Tata during 2018 as part of the Indian ...

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Scientists propose huge European AI push

Scientists have written an open letter proposing the establishment of a huge European initiative to develop AI. They write: “We are at a crossroads where machine learning is at the heart of a technological and societal artificial intelligence revolution involving multiple sister disciplines, with large implications for the future competitiveness of Europe, Europe is not ...

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The Arduino Challenge

Arduino has launched a global contest that challenges users of its open-source electronics platform to create innovative products that help advance the development of Industry 4.0 automation and robotics applications. The contest is being run in partnership with electronics and automation distributor Distrelec, ( https://distrelec.com/global/ ) and is hosted at the Arduino Project Hub. ( ...

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China to turn on memory tap in Q1

China’s three main memory companies will be in trial production in H2 with mass production in Q1, reports DRAMeXchange. They are: Yangtze River Memory Storage owned by Tsinghua Unigroup, Fujian Jin Hua IC (JHICC) a jv between the city of Fujian and UMC, and Hefei Chang Xin also called Innotron. They intend to make, respectively: ...

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ST’s 3x3mm low-voltage motor driver.

ST’s STSPIN233 is a  low-voltage motor driver suitable for both single-shunt and three-shunt brushless-motor driving integrating a 200mΩ 1.3Arms power stage in a  3mm x 3mm package. The chip’s  standby current is less than 80nA. It can be put into standby mode under logic control, making it suitable for extending operation from batteries in equipment ...

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