신경보존형조루수술 THUWAL, SAUDI ARABIA--( / )--As global sustainability and clean energy megatrends impact how we approach energy strategies toward a greener future for the planet, renewable technologies such as wind and solar are leading areas of focus for research. In the solar technology space, the emerging field of perovskite solar cells (PSCs) has gained popularity within the last decade and a half.
However, in a field dominated by silicon solar cells, the relatively new technology of perovskite solar cells must besides offering high power conversion efficiencies (PCEs) also meet two other crucial requirements to be successfully commercialized: stability and scalability.
In a recently published Science paper, KAUST researchers have reported a significant milestone through the first-ever successful PV damp-heat test of PSCs.
The damp-heat test is an accelerated and rigorous environmental aging test aimed at determining the ability of solar panels to withstand prolonged exposure to high humidity penetration and elevated temperatures. The test is run for 1,000 hours under a controlled environment of 85% humidity and 85 degrees Celsius. It is meant to replicate multiple years of outdoor exposure and evaluate factors such as corrosion and delamination.
Passing the test
The harshness of the test is in line with commercialization requirements of photovoltaic (PV) technology needing to cover 25 to 30 years of warranty for conventional crystalline-silicon modules. In order to pass the test, the solar cell has to maintain 95% of its initial performance.
Led by Randi Azmi, a postdoctoral fellow in Stefaan De Wolf's KAUST Photovoltaics Laboratory, their research had to overcome an enduring weakness in encapsulated PSCs to prevent packaging leakage. This vulnerability of 3D perovskite films is what allows the unwanted infiltration of atmospheric agents and offers limited resilience against heat. The solution found by the KAUST researchers is the engineering and introduction of 2D-perovskite passivation layers to simultaneously enhance the power conversion efficiencies and lifetime PSCs.
Can perovskites replace silicon?
The specificity of perovskites is that it‘s a thin-film technology. As is the case with conventional solar cells, two contacts made of specific types of materials are still required. One will collect electrons and the other’s function is to collect positively charged ‘holes’?which represent the absence of electrons. But, unlike silicon wafers, perovskites can be coated directly on a glass substrate, using a precursor solution. The solution is made with a solvent that gets crystallized into a solid state.
One of the significant advantages is that precursor materials can be made without the need for expensive facilities and energy-intensive environments of over 1,000 degrees, which is typical for more traditional semiconductors such as silicon.
“It‘s a very simple way to make solar cells. Also, while the optoelectronic properties are not unique, they are excellent. They’re on-par with very high-quality traditional semiconductors. That‘s quite remarkable,” explained De Wolf. By altering the composition, it’s also possible to tune the spectral sensitivity across the solar light spectrum from UV up to infrared. This is quite attractive for certain applications.
The remaining challenge, after performance and stability, is scaling. Most solar cell applications are focused on utility-scale sectors as well as rooftop panels.
“The market is silicon-based, and it will be silicon-based for the next 20 years at least,” said De Wolf. “So we are mainly focused on improving the performance of perovskites solar cells in order to advance more efficient ‘tandem’ solutions pairing both traditional silicon and perovskites, where the current findings will aid much in increasing the reliability of such perovskite/silicon tandem solar cells.”
*Source: AETOSWire
Photos/Multimedia Gallery Available:Perovskite Solar Cells Taking the Heat
ARLINGTON, VA.--( / )--The Consumer Technology badoo ARLINGTON,(CTA)TM today announced that Mr. Nobu 상계역홀덤바 여자자위하는법 Ide, president and CEO of Wacom, will deliver a keynote address at the upcoming CES Asia 2019. Now in its fifth 쌍암동보드게임 한국야한영화 year, CES Asia will run June 쌍암동보드게임 여자애액 11-13, 2019 at the Shanghai New International Expo Centre (SNIEC) in Shanghai, China.
Nobu 상계역홀덤바 치마사진 Ide’s keynote is scheduled for 4PM on 상계역홀덤바 야한동영상모음집 Wednesday, June 12. He will unveil Wacom’s vision for the future of digital ink in today’s digital world, as 쌍암동보드게임 중고속옷 well lllilybaby Nobuthe company’s innovative solutions in Extended Reality (XR) 상계역홀덤바 유니더스 to bring new opportunities to the creative community. 쌍암동보드게임 채찍 Mr. Ide joined Wacom in 2013 and assumed the role of Representative Director, President and CEO in April 2018.
“Wacom is a pioneer in digital creativity, opening up a new world of opportunity for digital collaboration that transcends markets,” said Karen Chupka, executive vice president, CES, CTA. “Wacom’s advancements in digital ink and XR demonstrate how technologies are driving the unprecedented changes across the 쌍암동보드게임 creative industries. We 상계역홀덤바 에로비디오 welcome Mr. Ide to the CES Asia stage to share his vision for the future of digital creation.”
Mr. Ide joins 상계역홀덤바 공포만화 top executives from Audi, Huawei and Hyundai as confirmed CES Asia keynote speakers. Additional industry thought leaders will 상계역홀덤바 성인자료 be added to the keynote stage in 쌍암동보드게임 패티쉬 the coming weeks. All CES Asia keynotes will take place at 쌍암동보드게임 SEX동영상 the 라이브토렌트 Mr.Hotel in Shanghai Ballrooms 2-3.
As one of Asia’s fastest growing tech events, CES Asia is the only event in Asia that brings together the entire tech ecosystem to build brands, forge partnerships and celebrate 상계역홀덤바 성인플래쉬 the best in consumer tech in Asia. The 쌍암동보드게임 옛날만화 show will focus on the latest innovation in transportation tech, AI, 5G and startups from around the world, featuring more than 550 exhibiting companies, including more than 115 startups. Visit for more information or to register.
WeChat registration 쌍암동보드게임 야동영화 for 코스맥스주식 WeChatAsia 2019 상계역홀덤바 사쿠라가메이 is now available. 쌍암동보드게임 Follow 쌍암동보드게임 us on WeChat (ID: CESAsia_II) to register.
Note 쌍암동보드게임 나체 to 쌍암동보드게임 섹시녀 상계역홀덤바 섹시녀 Editors:
High-definition video 쌍암동보드게임 b-roll is 쌍암동보드게임 치마노출 available for easy download on Visit the CES Asia photo gallery for the latest pictures 상계역홀덤바 섹 from CES Asia 2018. Journalists traveling from outside of China will require a J-1 or 쌍암동보드게임 에로틱 J-2 visa. For questions about exhibiting at MsiHLSsY High-definitionAsia, contact Brian Moon at bmoon@CTA.tech or +1 703-907-4351.
About 쌍암동보드게임 여자몸짱 상계역홀덤바 여자몸짱 CES 쌍암동보드게임 은혼동인지 Asia: 쌍암동보드게임 섹시걸
Owned and produced by the International CES (Shanghai) Exhibition Co. Ltd. and co-produced by Shanghai Intex Exhibition Co., Ltd (Shanghai Intex), CES 상계역홀덤바 Asia 쌍암동보드게임 엄청웃긴사진 is the premier event for the consumer technology industry, showcasing the full 노원역홀덤바 Ownedand depth of the innovation value-chain in the Asian marketplace. Key global businesses come to this event to grow and reinforce their brand by showcasing the latest products and 쌍암동보드게임 technologies to consumer tech industry executives, foreign buyers and international media. Attendees have exclusive access to some of the largest brands from China and around the world, while celebrating the innovation that defines the consumer technology sector.
About 쌍암동보드게임 International 쌍암동보드게임 네노마정 인터넷 구입 CES 상계역홀덤바 야한생각 (Shanghai) Exhibition 상계역홀덤바 네노마정 설사 Co. 쌍암동보드게임 야동보는법 Ltd. 상계역홀덤바 19만화 and CTA:
International CES (Shanghai) Exhibition Co. Ltd. is a wholly foreign-owned enterprise by the Consumer Technology Association (CTA), a trade association representing the $398 billion U.S. consumer technology industry, which supports more than 18 million U.S. jobs. More than 2,200 companies 상계역홀덤바 19금영화 - 80 percent are small businesses and startups; others are among the world’s best known brands - enjoy the benefits of 묘동풀팟홀덤 Internationalmembership including policy advocacy, market research, technical 쌍암동보드게임 야한사람 education, industry promotion, standards development and the 쌍암동보드게임 마네키 fostering of business and strategic relationships. CTA also owns and produces CES® - the world’s gathering place for all who thrive on the business of consumer technologies. Profits from CES are reinvested into CTA’s industry 쌍암동보드게임 services.
About Shanghai 쌍암동보드게임 보그라정 상계역홀덤바 보그라정 Intex: 상계역홀덤바 프리야정
Taken independent in July 2016, Shanghai Intex Exhibition (Co., Ltd.) was originally founded in 1995 as 상계역홀덤바 the pioneering exhibition organizing business of Intex Shanghai, the first joint venture venue management business in Shanghai. 쌍암동보드게임 토렌트지지 Shanghai Intex is jointly overseen by the China Council for the Promotion of International Trade (CCPIT) Shanghai and PNO Exhibitions, giving it the perfect combination of domestic and international resources. Over the last 20 years, Shanghai Intex has organized more than 100 tradeshows and over 1000 conferences, with a sum total show space in excess of 2 million square meters. Shanghai Intex runs a number of internationally renowned exhibitions covering the music industry, healthcare, lifestyle, advanced manufacturing, public transportation, floriculture, consumer electronics, technology and more.
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