本篇代写assignment-钙钛矿太阳能电池讲了钙钛矿太阳能电池是由一种混合有机化合物构成的，该化合物也具有光活性层。钙钛矿材料通常生产成本较低，由卤化铅制成，易于生产。研究表明，这些元素将使太阳能效率提高3.8%以上，最高可达21%。此外，钙钛矿还被视为更具商业吸引力的投资项目。本篇代写assignment文章由新西兰第一论文 Assignment First辅导网整理，供大家参考阅读。
The Perovskite solar cell is structured by means of a hybrid organic compound that is also of a light active layer. The Perovskite materials are usually cheaper to produce and are made of lead halides that are of easy production. Research indicates that these elements would increase solar efficiency by more than 3.8 percent and up to 21 percent and in addition to these advantages the Perovskite is seen to be a more commercially attractive venture. Startup companies are invested in Perovskite and the solar cell modules are available in a high productive and commercial scale in the market in current times. The common of the Perovskite is that of the triiodide CH3NH3PbI3. This is a high charge carrier with a better mobility rate and because the high mobility the light generated electrons would be able to generate for more energy. The light generated electrons would be able to move for a farther distance and can hence generate more energy as heat. Research shows that diffusion lengths are higher and better with about a 100 mm in terms of electrons and hoes that gives it a better energy value production compared to that of normal PVs (Hodes, 2013).
Perovskite is seeing to be a commercially and functionally attractive venture. It is the nature and the material attributes of the Perovskite that is seen to result in some concerns. Perovskite is a mineral name after the found of Russian Geographical Society, lev Perovski. The mineral structure is made of calcium, titanium and oxygen and has form CaTiO3. In the lattice arrangement understanding of the Perovskite it can be said that Perovskite is more of a larger positively charged molecular cation that is seen to be present in the cube centre. There are cations present in the corners of the same cube and there are negatively charged anions presented as atoms in the cube faces.
Structure of Perovskite, (Source: Ossilla, 2016).
1.2. Aim and Objectives of Research
The aim of the research is to investigate the stability of Perovskite solar cell by focusing on the change of perovskite solar cell’s efficiency with illumination intensity. The illuminating time will be fixed, and the illumination level would be adjusted.
The objectives of research are,
To critically discuss secondary research evidence on the subject of perovskite solar cells, and their stability;
To conduct an experiment into the stability of Perovskite solar cells based on how there are variations with illumination intensity at a fixed time;
To critically discuss the results of the experiment with the themes of the existing secondary research evidence;
To make recommendations on how stability could be improved for the perovskite cell and also make recommendations on future research for this topic.
