True 10 the shockley quiesser limit suggests that a single junction solar cell has an efficiency that can reach 100% when the sun is overhead. Gridtied pv systems ecen 45175517 part of the power lab pv array on the roof of the ee wing 72 cell, 180 w pv panels 24 total panels, 4 kw system ecen 4517 2 ecee expo and solar power competition ecen 45175517 expo. Solar energy is tenuous, undependable, and expensive beyond practicality. Solar pv technologies principle solar absorbed light is transferred to the electrons of the pv cell atoms exiting them and producing the electrical current with the help of a builtin electric field which provides the needed voltage. Performance metrics such as efficiency, shortcircuit current, fill factor, and opencircuit voltage are discussed. This lecture will hopefully give you a feeling for what is part of the solar system and what is not, and will also give you some idea of the size scale of the solar system.
For lectures 2 through 12, before each class period, students were assigned to watch the corresponding 2011 video lecture below. Majority of video courses on nptel do not offer lecture notes for download. Table of contents solar energy 1 energy from the sun 1 early solar energy commercial adaption 3 applications of solar technology 3 architecture and urban planning 4. Solar cells made of these materials can thus have a thickness clearly below 10. Lecture solar cells free download as powerpoint presentation. Chitralekha mahanta lecture series on basic electronics by dr. Solar cells contents 1 introduction 1 2 solar spectrum 2 3 solar cell working principle 3 4 solar cell iv characteristics 7 5 solar cell materials and e ciency 10 1 introduction solar cells and photodetectors are devices that convert an optical input into current. Mechanical engineering online courses with video lectures. Jan 17, 2018 by jeremy solar cell 40 comments this introduction to solar cells covers the basics of pn junctions, optical absorption, and iv characteristics. These solar cells are fabricated using a combination of thin film deposition and etching techniques. The cost aspects, market development, and the application areas of solar cells are presented. Some courses might have presentations or quiz papers uploaded, but rest of them just have transcripts which is pretty useless to refer as notes.
Lecture 3 types of solar cells experiment 3 generations. Click on any video lecture link to view and download that video. This page presents the lecture videos and associated slides from the fall 2011 version of the class. Solar energy is to be a major primary energy source. Cell structure and function of the organelles, chromosome structure and organization, transport across cell membranes, receptors and growth factors, signal transduction, cell culture, introduction to hematology. Worked problem solar cell under concentration solar cell. Lecture 7lecture 7 thin film pv the reading assignment for this lecture is. Students learn about renewable energy sources, namely the direct conversion of solar radiation into electricity using solar cells. There are important tables in appendix c of the text solar system data, page a1. Solar energy engineering, jui sheng hsieh, prenticehall, 1986.
Light shining on the solar cell produces both a current and a voltage to generate electric power. July 2011 notes on the fundamental of solar cell lecture 5physics of organic solar cells m. May 26, 2019 9 the maximum power point of a solar cell may vary from manufacturer to manufacturer. The course is a tour through the fundamental disciplines including solar cell history, why we need solar energy, how solar cells produce power, and how they work. By jeremy solar cell 40 comments this introduction to solar cells covers the basics of pn junctions, optical absorption, and iv characteristics. The builtin electrical field is created by two layers of semiconductor material. Solar cell characterization efficiency h p max p in ff.
Application of pn junctions within solar cells is discussed. Science of silicon pv cells scientific base for solar pv electric power generation is solidstate physics of semiconductors silicon is a popular candidate material for solar pv cells because. Find materials for this course in the pages linked along the left. Soil exploration lecture notes, notes, pdf free download, engineering notes, university notes, best pdf notes, semester, sem, year, for all, study material. Since the voltage is too small for most applications, to produce a useful voltage, the cells are connected in series into. Perovskite solar cell psc materials a perovskite solar cell. Hoffner file size 27 mb solar energy vliet photovoltaic solar cell file size 40 mb solar energy. How to download notes directly in pdf format from nptel quora.
The spectrum and intensity of the incident sunlight solar cell temperature. Amorphous silicon,quantum dot solar cells,copper indium gallium diselenide based. The solar cell traps all the electrons released by the silicon and pushes them in one direction, which creates an electric current. Deepak gupta,department of metallurgy and material science,iit kanpur.
When charged by the sun, this basic unit generates a dc photovoltage of 0. He is also an inventor with about 100 patents and author in ca. On the basis of the cost problem, we have developed new solar cells based on organic and organicinorganic hybrid materials. We also compare operation and e ciencies of devices in section 10. Sep 01, 2011 this introduction to solar cells covers the basics of pn junctions, optical absorption, and iv characteristics. Lecture 7lecture 7 thin film pv georgia institute of. I sc p in p in is the incident light power efficiency is defined as the ratio of output power from the solar cell to input power from the sun. A detailed performance model for photovoltaic systems. The different pv technologies are discussed in part iii. Solar cells absorb some of the photons from sunlight and convert it to a useable amount of direct current electricity. The organisation of this book is roughly linked to the three lectures on photovoltaics pv, that are given at the faculty for electrical engineering, mathematics and com. The guidelines for design of a complete solar cell system for household application are explained. After summarising the history of solar cells in chapter.
We want to get a feeling for the immense size of the solar system. However, there are ambivalent views about solar, or photovoltaic, cells ability to supply a significant amount of energy relative to global needs. A solar cell is an electronic device which directly converts sunlight into electricity. Lecture 1 a historical perspective lecture 2 pv cell characteristics and equivalent circuit lecture 3 model of pv cell lecture 4 short circuit, open. Satyamurty, department of mechanical engineering, iit kharagpur. Download pdf of nptel material offline reading, offline notes, free download in app, engineering class handwritten notes, exam notes, previous year questions, pdf free download. Nptel mechanical engineering solar energy technology. Solar energy is abundant, in exhaustible, clean, and cheap. Principle of cell design,crystalline silicon and iiiv solar cells,thin film solar cells. Solar cells are used on spaceships like the international space station pictured below, but are also used on earth in places that get lots of sunlight throughout the year. Impedance control methods reference cell power slope method 1.
We give the upper limit to the solar cell e ciency. The lectures have been segregated under different topic heads to make it better to understand the core aspects of mechanical sciences. Chitralekha mahanta, department of electronics and communication engineering,iit guwahati. Soumitra satapathi is an assistant professor in the department of physics at indian institute of technology roorkee and also the visiting professor of physics at university of massachusetts lowell, usa. This introduction to solar cells covers the basics of pn junctions, optical absorption, and iv characteristics. The sequence is a simple set of repeating steps including oxidation, etching, diffusion, cleaning and patterning. Thinner crystalline silicon cells are under development, but must be provided with the discussed optical properties, resulting in increased.
To do that, we will look at distances and sizes of the planets, and try to put them into a scale that we can understand. Dye sensitized solar cell dssc lecture for eng 230. The 2011 videos were used to flip the classroom for this fall 20 version of the course. An overview article pdf available in journal of materials research 197 july 2004 with 11,019 reads how we measure reads. Solar photovoltaics fundamentals, technology and applications. This lecture is a short introduction to the physics ofcrystalline solar cells. Solar information module 62 published february 1982 this book presents a nonmathematical explanation of the theory and design of pv solar cells and systems. Worked problem solar cell under concentration solar. Photovoltaic solar energy opre 6389 lecture note compiled at 18. An introduction to fuel cells and hydrogen technology by brian cook, heliocentris vancouver, canada whereas the 19th century was the century of the steam engine and the 20th century was the century of the internal combustion engine, it is likely that the 21st century will be the century of the fuel cell. Aberle, thinfilm solar cells, thin solid films, 517 2009, pp47064710 lawrence kasmerski, j. Firstgeneration cells are based on expensive silicon wafers and make up 85% of the current commercial market.
Electronic materials, devices, and fabrication by prof s. As the name implies, the solar system has something to do with the sun, or sol. The costs of solar power have been declining steadily and. Nptel provides elearning through online web and video courses various streams. Parasuraman,department of metallurgy and material science,iit madras. Introductory lecture on solar cells please do leave comments if for feed back. The solar cell is the basic building block of solar photovoltaics. A solar cell has the following characteristics when tested under am 1. In this course we will discuss about various photovoltaics technologies, different generation of solar cells. Rohsenow heat and mass transfer laboratory, mit images removed due to restrictions. Solar energy, with a focus on photovoltaics, which is the technology that allows to convert energy transported in light directly into electrical energy. He is also a joint faculty in the center for nanotechnology at iit roorkee.
Courses solar photovoltaics fundamentals, technology and applications. Introduction to solar cells horizon energy curriculum. Operating principles, technology, and systemapplications, prenticehall, 1981. Sep 21, 2014 electronic materials, devices, and fabrication by prof s. His current research is focused on dyesensitized solar cells, organic solar cells, and quantum dot solar cells. To maximize efficiency, we must maximize thegeneration of eh pairs and minimize the recombinationof eh pairs. A solar cell is an example of a photovoltaic device, i. Satapathi was a postdoctoral research fellow at tufts university boston, usa. Various photovoltaic pv solar cell technologies are currently being developed in three. Common limitations of efficiency, shortcircuit current, fill factor, opencircuit voltage. Nptel video lectures, nptel online courses, youtube iit videos nptel courses.
Sunlight is composed of photons like energy accumulations, or particles of solar energy. Satyamurty from iit kharagpur made available by nptel elearning initiative. Introduction to the solar system new jersey institute of. Detailed currentvoltage output functions are developed for a cell, a module and a string of modules connected in series and in parallel. Sundar manoharan,department of chemistry and biochemistry,iit kanpur.
An overview of the sequence is shown to the right figure 1. Incidentally, the words sun, moon, earth, mars, etc. Denis ar con ljubljana, may 2011 abstract this seminar is a short overview of current photovoltaics. Secondgeneration cells are based on thin films of materials such as amorphous silicon, nanocrystalline silicon.
Since the voltage is too small for most applications, to produce a useful voltage, the cells. Lecture notes fundamentals of photovoltaics mechanical. Potentialstep amplified thermalelectrical energy converter. Jenny nelson, physics of solar cells, imperial collage press, 2003antonio lugue and steven hegedus, handbook of photovoltaic science andengineering, john wiley and sons, 2003.
1493 134 116 1483 1521 1092 1380 67 747 310 1029 766 865 729 1324 281 1498 502 294 1003 477 1384 701 515 1299 126 258