相关实验视频

Updated: Jan 27, 2026

Monovalent Cation Doping of CH3NH3PbI3 for Efficient Perovskite Solar Cells

Monovalent Cation Doping of CH3NH3PbI3 for Efficient Perovskite Solar Cells

Published on: March 19, 2017

用于涂层稳定的大面积矿太阳能电池,效率高于18%的单氨基

Congping Li¹, Jun Yin², Ruihao Chen²

¹State Key Laboratory of Applied Organic Chemistry, Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, College of Chemistry and Chemical Engineering , Lanzhou University , Lanzhou 730000 , P.R. China.

Journal of the American Chemical Society

|March 16, 2019

概括

这项研究引入了用于大面积矿太阳能电池 (PSC) 的单氨酸甲 (ZnP). ZnP提高了薄膜质量和稳定性,在大面积设备中实现了18.3%的效率,并提高了PSC的整体性能.

科学领域:

材料科学
可再生能源
太阳能发电

背景情况:

对于高性能和稳定的矿太阳能电池 (PSC) 来说,有效控制矿膜结晶和缺陷至关重要.
大面积矿薄膜的制造仍然是PSC商业化的一个重大挑战.

研究的目的:

开发一种简单的方法来制备具有增强光伏性能和稳定性的大面积均矿膜.
调查嵌入的单氨基甲 (ZnP) 在控制矿结晶和被动化缺陷中的作用.

主要方法:

与表面活性剂相似的单甲 (ZnP) 直接嵌入到甲基酸前体溶液中.
叶片涂层技术用于制造大面积均的矿薄膜 (最多16厘米2).
详细分析ZnP对矿结晶,缺陷被动化和设备性能的影响.

主要成果:

在采用ZnP覆盖的大面积 (1.96厘米) 的PSC中实现了前所未有的18.3%的功率转换效率.
对于小面积 (0.1厘米) 的设备,已证明高效率为20.5%.
在矿表面和粒度边界有效控制结晶和被动化缺陷.
在1000小时的稳定性测试 (85°C,45%湿度) 后,ZnP封装的装置保持了90%以上的初始效率.

结论:

使用ZnP的分子封装提供了用于大面积涂层,形态定制和矿薄膜缺陷抑制的协同方法.
这一策略显著提高了矿太阳能电池的光伏性能和运行稳定性.
这些发现为可扩展制造高效和耐用的PSC提供了有希望的途径.

更多相关视频

Flash Infrared Annealing for Perovskite Solar Cell Processing

Flash Infrared Annealing for Perovskite Solar Cell Processing

Published on: February 3, 2021

Influence of Hybrid Perovskite Fabrication Methods on Film Formation, Electronic Structure, and Solar Cell Performance

Influence of Hybrid Perovskite Fabrication Methods on Film Formation, Electronic Structure, and Solar Cell Performance

Published on: February 27, 2017

相关概念视频

Clathrin Coated Vesicles

Clathrin Coated Vesicles

Clathrin-coated vesicles use endocytosis to transport receptors and lysosomal hydrolases from the Golgi to the lysosome in the late secretory pathway. Clathrin-mediated endocytosis was the first described endocytic process, and Clathrin-coated vesicles remain one of the most well-studied transport vesicles. The molecular machinery that generates clathrin-coated vesicles comprises over 50 proteins that precisely coordinate vesicle formation. Cell surface receptors concentrated in indented sites...

COP Coated Vesicles

COP Coated Vesicles

Membrane-enclosed structures called vesicles transport proteins and lipids across the cell. The vesicles derive their cargo from the plasma membrane, Golgi, ER, or endosome. Coated vesicles are spherical, protein-coated carriers with a 50–100 nm diameter that mediate bidirectional transport between the ER and the Golgi. The distribution of proteins between the ER and Golgi complex is dynamic and is maintained by different coated vesicles. Their formation is driven by the assembly of...

Coat Assembly and GTPases

Coat Assembly and GTPases

Vesicles incorporate different coat protein subunits in different cell locations, which changes the properties of the coat, such as the shape and geometry of the transport vesicles. Thus, vesicle coat proteins also play a significant role in cargo selection.
Coat assembly depends on the local availability of phosphatidylinositol phosphates or PIPs and GTP-binding proteins. Adaptor proteins, which link the coat proteins to the membrane, bind to these PIPs and play a crucial role in controlling...

Pinching-off of Coated Vesicles

Pinching-off of Coated Vesicles

Vesicle budding is orchestrated by distinct cytosolic proteins such as adaptor proteins, coat proteins, and GTPases. To initiate vesicle budding, membrane-bending proteins containing crescent-shaped BAR domains bind to the lipid heads in the bilayer and distort the membrane to form a protein-coated vesicle bud. Adaptors proteins such as AP2 for clathrin-coated vesicles can nucleate on the deformed membrane. Finally, coat proteins such as clathrin or COPI and COPII assemble into a coat forming...

Production Efficiency

Production Efficiency

Net production efficiency (NPE) is the efficiency at which organisms assimilate energy into biomass for the next trophic level. Due to low metabolic rates and less energy spent on thermoregulatory processes, the NPE of ectotherms (cold-blooded animals) is 10 times higher than endotherms (warm-blooded animals).

Trophic Efficiency

Trophic Efficiency

Trophic level transfer efficiency (TLTE) is a measure of the total energy transfer from one trophic level to the next. Due to extensive energy loss as metabolic heat, an average of only 10% of the original energy obtained is passed on to the next level. This pattern of energy loss severely limits the possible number of trophic levels in a food chain.