scispace - formally typeset
Search or ask a question

Answers from top 6 papers

More filters
Papers (6)Insight
There is no doubt that perovskite photovoltaics possess great potential to provide bright future for the field of solar cells research, but whether they are going to live up to their expectations, remains to be seen.
Open accessJournal ArticleDOI
Xing Zhao, Nam-Gyu Park 
27 Nov 2015-Photonics
199 Citations
Thus, it is apparent that perovskite solar cell is a promising next generation photovoltaic technology.
The research presented here provides a facile, low-cost and highly efficient way for the preparation of perovskite solar cells.
Thus, an easy and effective way is provided for fabricating efficient and stable perovskite solar cells.
This result demonstrates the promise of employing perovskite solar cells in a reflective tandem for a high efficiency solar energy conversion system, with an efficiency of up to 30%.
This work provides a method to prepare high quality perovskite films for planar perovskite solar cells with high performance.

See what other people are reading

Wind vs. solar pv potential in barcelona spain?
5 answers
In Barcelona, Spain, both wind and solar PV energy sources exhibit significant potential. Wind energy production is being assessed over the Metropolitan Area of Barcelona to integrate small wind turbines into the smart grid. On the other hand, solar PV energy has seen remarkable growth in Spain, with large-scale solar photovoltaic power plants showing economic feasibility, especially in regions like Spain with high solar irradiation levels. Additionally, life-cycle assessments of photovoltaic systems in Catalonia, Spain, have highlighted the environmental advantages of using solar technologies, with a 200 kW rooftop PV system having an energy pay-back time ratio of 4.36 years. Therefore, both wind and solar PV technologies hold promise for contributing to the renewable energy landscape in Barcelona, Spain.
What is dicalcium phosphate dihydrate in context of osteoinduction and osteoconduction?
5 answers
Dicalcium phosphate dihydrate (DCPD) is a crystalline calcium phosphate phase with significant implications in osteoinduction and osteoconduction. Studies have shown that DCPD can be utilized in bone tissue engineering to create strong composites suitable for such applications. Additionally, DCPD has been found to have high healing potential due to its biocompatibility, biodegradability, and biomechanical properties, making it a promising material for bone defect treatment. Furthermore, DCPD-rich calcium phosphate cement has been shown to enhance bioresorption and new bone formation rates, indicating its potential for improving bone reconstruction therapies. Overall, DCPD emerges as a valuable component in biomaterial development for promoting bone healing and regeneration, showcasing its importance in the field of orthopedics and bone tissue engineering.
Does dicalcium phosphate dihydrate's crystalline structure support osteoconduction?
5 answers
Dicalcium phosphate dihydrate (DCPD) has been extensively studied for its potential in bone healing. While DCPD itself may not directly support osteoconduction, its related forms like dicalcium phosphate anhydrous (DCPA) have shown promising results in promoting bone formation and union. Studies have highlighted the biocompatibility, biodegradability, and osteoinductive properties of DCPA, making it a valuable component in bone graft materials. Additionally, the crystalline nature of DCPA has been linked to enhanced bone formation and biomechanical properties, indicating its positive impact on bone healing. On the other hand, the presence of DCP in calcium phosphate cement has shown improved bioresorption and new bone formation rates, suggesting its potential therapeutic applications in bone reconstruction.
What are some renewable energy inventions that can significantly reduce carbon emissions?
5 answers
Renewable energy inventions play a crucial role in reducing carbon emissions. One such invention is a carbon emission reduction device that integrates multiple modes, utilizing wind and solar energy for power generation while enabling automatic direction adjustment and effective storage. Another innovative solution is a cogeneration system of heat, power, and biogas (CHPB) in rural areas, which significantly reduces CO2 emissions by 113.47% compared to conventional systems, with the best environmental performance observed in certain regions like Guangzhou. Additionally, the integration of renewable energy sources like solar PV systems and wind mills in power systems can effectively minimize emissions and operating costs, providing a sustainable and cost-effective alternative to traditional thermal power plants.
What is scientific machine learning?
5 answers
Scientific machine learning (SciML) is an emerging field that combines scientific computing, model order reduction, and machine learning techniques to develop advanced models for various applications. It integrates traditional modeling methods based on first principles with data-driven machine learning approaches to create robust and fast models that can be easily integrated with data while maintaining a high level of detail. SciML algorithms have been applied in diverse areas such as urban drainage systems, electronic chips, and nanomaterial formation processes, showcasing their ability to handle complex multiphysics coupling effects, predict behaviors in real-time, and generalize well in predictive modeling. Despite being in early stages, SciML has demonstrated promising capabilities in enhancing computational efficiency and understanding intricate systems through a combination of traditional scientific methods and modern machine learning techniques.
Does dicalcium phosphate dihydrate's crystalline structure support osteoconduction by promoting the adhesion and proliferation of bone cells?
5 answers
Dicalcium phosphate dihydrate (DCPD) has been recognized for its potential in promoting osteoconduction by supporting the adhesion and proliferation of bone cells. Studies have shown that DCPD, a crystalline calcium orthophosphate phase, exhibits higher metastability compared to other phases. Furthermore, the morphology of calcium orthophosphate crystals, such as octacalcium phosphate (OCP), has been found to influence the attachment, spreading, and growth of bone cells. Additionally, surface modifications involving calcium phosphate coatings have been shown to enhance cell adhesion, proliferation, and osteogenic functionality on various substrates, indicating the positive impact of calcium phosphate structures on bone cell behavior. Therefore, the crystalline structure of DCPD and related calcium phosphate coatings indeed support osteoconduction by facilitating bone cell adhesion and proliferation.
Trans content is simbol of cristalinity in polymers ?
4 answers
The trans content in polymers is indeed a symbol of crystallinity. The higher the trans content, the greater the crystallinity observed in the polymer. For instance, in polyethylene terephthalate (PET), the transformation from gauche to trans conformation during stretching increases the trans content, which correlates well with the crystallinity observed through techniques like DSC measurement. Additionally, in polybutadienes, isomerizations to increase trans content led to more crystalline or semicrystalline structures, with a decrease in crystallinity as trans content reduced. This relationship between trans content and crystallinity is crucial in understanding the structural effects on physical properties and the overall crystallization kinetics of polymers.
What is the Optimal tilt angle for large solar systems in the netherlands?
5 answers
The optimal tilt angle for large solar systems in the Netherlands can significantly impact energy production. Studies have shown that adjusting the tilt angle of solar panels to their monthly or seasonal optimum can increase energy output by up to 7.24% monthly and 6.06% seasonally. Additionally, determining the optimum tilt angle accurately for each location is crucial for maximizing energy production. In Europe, adjusting the tilt angle multiple times per year, especially on a monthly basis, can lead to gains of up to 7% in energy output, depending on the latitude considered. Furthermore, establishing location-specific optimum tilt angles can result in up to a 6.15% increase in daily solar energy output, reducing investment and operational costs for PV installations. Therefore, determining the optimal tilt angle for large solar systems in the Netherlands is essential for maximizing energy generation and cost-efficiency.
Have perovskite been used as passive components in PICs?
5 answers
Perovskite materials have been utilized in various ways in photonics and imaging technologies. While perovskite nanocrystals have shown promise in applications like solar cells and imaging systems, they have not been specifically mentioned as passive components in Photonic Integrated Circuits (PICs). However, the use of perovskite nanocrystals in down-conversion imaging systems for converting ultraviolet light to green light with high efficiency and directionality preservation demonstrates their potential for integration into multi-frequency conversion imaging systems. This suggests that perovskite nanocrystals could potentially be explored further for passive components in PICs due to their optical properties and efficiency in frequency conversion applications.
Is the PZ1 acceptor a stable acceptor molecule in organic solar cells?
4 answers
The stability of the PZ1 acceptor molecule in organic solar cells is not directly addressed in the provided contexts. However, research has shown that designing polymer acceptors via specific coupling strategies can enhance stability in organic solar cells. Additionally, the integration of specific wide bandgap electron-donating polymers and acceptors with tailored properties has been demonstrated to improve stability in organic solar cells, achieving excellent long-term thermal stability. Furthermore, the design of novel non-fullerene donor molecules with specific modifications has been shown to enhance stability and efficiency in organic solar cells. While the PZ1 acceptor molecule itself is not discussed, insights from these studies suggest that strategic design and tailored properties of acceptor molecules can contribute to stability in organic solar cells.
Best policy and regulatory instruments for implementing rooftop PV solar for developed countries?
5 answers
The best policy and regulatory instruments for implementing rooftop PV solar in developed countries involve a combination of fiscal and regulatory incentives, such as tax credits, feed-in-tariffs, and preferential interest rates. Successful examples from countries like China, the US, Germany, Italy, Spain, Japan, and India highlight unique policies that have led to significant advancements in rooftop solar PV systems. Additionally, public perception plays a crucial role, with positive attitudes towards solar technology and policy implementation being essential for success. Developing countries like Indonesia are also adopting regulations to promote rooftop PV, emphasizing the need for informative tools like the e-SMART PV application to facilitate investments and provide comprehensive economic analysis. Overall, a supportive regulatory framework, informed by successful international experiences and tailored to local conditions, is key to the successful implementation of rooftop PV solar in developed countries.