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Evaporated potassium chloride for double-sided interfacial passivation in inverted planar perovskite solar cells

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Journal of Energy Chemistry 2021年第3期30卷 493-500页

作者： shasha zhang Xiaobo Yan Zonghao Liu Hongmei Zhu Zhichun Yang Yuqian Huang Sanwan Liu Di Wu Ming Pan Wei Chen Wuhan National Laboratory for Optoelectronics Huazhong University of Science and TechnologyWuhan 430074HubeiChina China-EU Institute for Clean and Renewable Energy Huazhong University of Science and TechnologyWuhan 430074HubeiChina Shenzhen Key Laboratory of Nanobiomechanics Shenzhen Institutes of Advanced TechnologyChinese Academy of SciencesShenzhen 518055GuangdongChina Henan Institute of Advanced Technology Zhengzhou UniversityZhengzhou 450001HenanChina

Defect-induced charge carrier recombination at the interfaces between perovskite and adjacent charge transport layers restricts further improvements in the device performance of perovskite solar cells(PSCs).Defect passivation at these interfaces can reduce trap states and inhibit the induced nonradiative ***,we report a double-sided interfacial passivation via simply evaporating potassium chloride(DIP-KCl)at both the hole transport layer(HTL)/perovskite and perovskite/electron transport layer(ETL)interfaces in inverted planar *** demonstrate that the bottom KCl layer at the HTL/perovskite interface not only reduces the interfacial defects and improves the interfacial contact,but also leads to increased perovskite crystallinity,while the top KCl layer at the perovskite/ETL interface efficiently passivates the perovskite top surface defects and facilitates electron extraction at this ***,suppressed nonradiative recombination and faster charge extraction at both interfaces close to the perovskite layer can be achieved by using our DIP-KCl *** a result,inverted PSCs based on DIP-KCl present an increased efficiency from 17.1% to 19.2% and enhanced stability,retaining over 90% of their initial efficiency after aging at maximum power point tracking for 1000 *** work provides a simple and efficient way for defect passivation to further increase the efficiency and stability of PSCs.

关键词： Double-sided interfacial passivation KCl Defect passivation Nonradiative recombination Perovskite solar cells

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THE TREASURE MAP

Beijing Review 2022年第46期65卷 18-19页

作者： zhang shasha 不详

At the Fifth China International Import Expo(CIIE),taking place in Shanghai on November 5-10,a family of handmade brushes sit in the booth of German pillbox manufacturer Hans-H *** items attracted hordes of visitors as they looked adorable and varied in shapes and sizes with tiny laptop brushes to reach between keyboard keys and larger ones specifically designed for dealing with different types of housework.

关键词： dealing sizes brush

Tussle for China’s E-Wallet

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Beijing Review 2021年第4期64卷 34-35页

作者： zhang shasha 不详

Can PayPal challenge leading domestic players in the third-party payment market?The mobile Internet has changed the everyday life of the Chinese,with the revolution in payment methods being a maj or *** code-based solutions have replaced cash payments in most consumption scenarios and facilitated transactions beyond borders and ***-party payment service providers like Alipay and WeChat Pay have become a new industry with more new players joining in.

关键词： everyday service payment

A Transcript Of Reform

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Beijing Review 2020年第24期63卷 38-39页

作者： zhang shasha 不详

Every January,Ghinese central state-owned enterprises(SOEs)hold dozens of work conferences to map out plans for the new *** stock ownership,mixed-ownership reform,reshuffling,innovation and reform are the buzzwords at... 详细信息

关键词： owned ownership enterprises

Discovering Worlds Within Neighborhoods Walking tours become a buzzworthy travel trend in many Chinese cities

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Beijing Review 2022年第38期65卷 32-33页

作者： zhang shasha 不详

For many people,the concept of travel has always gone hand in hand with distance.A holiday hasn’t been a holiday without a plane,train or at least a bus ticket,and new discoveries have only been sought in exotic ***,the emergence of COVID-19 and its related travel restrictions have redefined travel in China,leading many to make profound discoveries in their own neighborhoods and even right outside their own front doors.

关键词： travel Neighborhood neighborhood

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Tales of Ferrymen

Beijing Review 2020年第32期63卷 36-37页

作者： zhang shasha 不详

There is an old Chinese saying,"Heroes emerge in bad times."Since the outbreak of the novel coronavirus disease(COVID-19),tales of heroic acts are heard from all *** workers are fi ghting at the forefront,deliverymen shuttling from place to place and community staff inspecting from door to *** are not of iron and steel,but ordinary people who have their own feelings and *** when they are needed,they rose to become plebeian heroes,reassuring the country in the midst of trouble.

关键词： steel corners ordinary

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RIDING ON RECYCLING

Beijing Review 2020年第4期63卷 18-19页

作者： zhang shasha 不详

‘Old things are like old *** we reach a crossroads in life,maybe we have to part and go different ways and maybe we will never meet again,but still I wish you a bright future.

关键词： market ING bright

Putting the Wind In the Sales--Subsidies and e-vouchers add energy to consumption at year-end

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Beijing Review 2020年第29期63卷 34-35页

作者： zhang shasha 不详

Before Zhou Qingwen went to a chain dessert shop recently,she was not using e-vouchers to get a discount on her *** the shop,she did it for the first time when the assistant told her that if she spent more than 80 yua... 详细信息

关键词： Wind claimed assistant

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SHIFTING GEARS

Beijing Review 2024年第42期67卷 16-17页

作者： zhang shasha 不详

During the recently concluded Paris 2024 Olympic Summer Games,a NIO electric vehicle(EV)parked in front of the Louvre became an unexpected sensation among netizens and locals *** Chinese character on the distinctive green license plate suggested that the fully electric car had journeyed all the way from Nanjing,the capital of east China's Jiangsu Province.

关键词： Province. sensation license