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Journalist says she was detained for 3 years in China for breaking an embargo_我的网站

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A | CANBERRA, Australia -- Australian journalist Cheng Lei says she spent more than three years in detention in China for breaking an embargo with a television broadcast on a state-run TV network.Cheng‘s first television interview since she was freed was broadcast in Australia on Tuesday almost a week after she returned to her mother and two children, aged 11 and 14, in the city of Melbourne.The Chinese-born 48-year-old was an English-language anchor for state-run China Global Television Network in Beijing when she was detained in August 2020.She said her offense was breaking a government-imposed embargo by a few minutes following a briefing by officials.Her treatment in custody was designed to “drive home that point that in China that is a big sin,” Cheng told Sky News Australia. “That you have hurt the motherland and that the state’s authority has been eroded because of you.” “What seems innocuous to us here is –- I’m sure it’s not limited to embargoes, but many other things -- are not in China, especially (because) I’m given to understand that the gambit of state security is widening,” she said.Cheng did not give details about the embargo breach.Her account differs from the crime outlined by China’s Ministry of State Security last week.The ministry said Cheng was approached by a foreign organization in May 2020 and provided them with state secrets she had obtained on the job in violation of a confidentiality clause signed with her employer. A police statement did not name the organization or say what the secrets were.A Beijing court convicted her of illegally providing state secrets abroad and she was sentenced to two years and 11 months, the statement said. She was deported after the sentencing because of the time she had already spent in detention.Observers suspect the real reason Cheng was released was persistent lobbying from the Australian government and Prime Minister Anthony Albanese’s planned trip to China this year on a date yet to be set.Cheng said that a visit to a toilet at the court on the morning before she was sentenced was the first time in more than three years that she had sat on a toilet or seen her reflection in a mirror.Her commercial airline flight from Beijing to Melbourne was the first time she had slept in darkness in three years because the lights were always left on at night in the detention facilities.Cheng migrated to Australia with her parents at age 10. She said she struggles to answer when asked how she has been since her return.“Sometimes I fell like an invalid, like a newborn and very fragile,” Cheng said. “And other times I feel like I could fly and I want to embrace everything and I enjoy everything so intensely and savor it.”。　　记者从中国科学院物理研究所获悉，该所孟庆波研究员团队成功制备出大面积铜锌锡硫硒薄膜光伏组件，组件光电转换效率达到13.0%，刷新了该类组件效率的世界纪录，为下一代低成本、环境友好型太阳能电池产业化奠定了坚实基础。该成果近日在国际学术期刊《自然·材料》发表。　　铜锌锡硫硒是一种新型薄膜光伏材料，由铜、锌、锡等地球储量丰富、价格低廉且环境友好的元素组成，被认为是下一代可持续太阳能电池的重要方向，但是这种新型薄膜光伏材料的器件尺寸一旦放大，薄膜均匀性就会急剧下降，效率也会降低。为此，科研团队从分子尺度入手，引入甲酰胺来精准调控金属离子与有机分子的配位结构，成功解决了这一问题。我国研究团队成功制备大面积铜锌锡硫硒薄膜光伏组件 △基于涂布的铜锌锡硫硒薄膜光伏组件及其光电转换性能　　在此基础上，科研团队开发出适合大面积连续生产的溶液涂布工艺，在10平方厘米的基板上制得了高度均匀的铜锌锡硫硒薄膜。用这块薄膜做成1平方厘米的小面积电池，认证效率可达14.2%;通过激光划线做成6节子电池串联、总面积10.5平方厘米的组件认证效率仍可达到13.0%。　　据了解，这项技术为低成本、绿色薄膜光伏组件的规模化制造提供了新思路。