Organic solar cells materials and device physics pdf

Advantages of organic solar cell disadvantages of organic solar cell. Reports on progress in physics, volume 82, number 3. This process requires firstly, a material in which the absorption of light raises an electron to a higher energy state. An organic solar cell osc or plastic solar cell is a type of photovoltaic that uses organic. Additionally, this thesis addresses the role of the interfacial layers for device. This thesis deals with the device physics of organic solar cells.

In the world of organic solar cells one of the most successful device structures is the bulk heterojunction type solar cell 232. Device physics of organic and perovskite solar cells by mehran samiee esfahani a dissertation submitted to the graduate faculty in partial fulfillment of the requirements for the degree of doctor of philosophy major. Fundamental properties of solar cells, principles and. In organic semiconductor physics, the homo takes the role of the valence. For photovoltaic cells to convert solar into electric energy is probably the most interesting research challenge nowadays.

There has been an enormous infusion of new ideas in the field of solar cells over the last 15 years. Pdf organic photovoltaic cell opv has emerged as a new competitor to inorganic. Lamination of organic solar cells and organic light emitting. In this paper we used solar cells organic solar cells, which are flexible. Solar cell is a device which converts solar energy into electric energy. Having standard spectra allows the experimental solar cell performance of one device to be compared to that of other devices and to be judged fairly, since the cells can be exposed to the same agreedupon spectrum. This was achieved by the introduction of new materials, improved materials engineering. Compared to siliconbased devices, polymer solar cells are lightweight. Electronic materials, devices, and fabrication by prof s. In recent years, organic semiconductors have emerged as a promising and, in some situations, viable commercial alternative to traditional inorganic materials such as silicon. Electrode, nanostructure, reliability, and performance by myungsu kim a dissertation submitted in partial fulfillment of the requirements for the degree of doctor of philosophy materials science and engineering in the university of michigan 2009 doctoral committee. This book is a suitable introduction for students in engineering, physics, material science, and chemistry starting in the field of organic or hybrid thinfilm photovoltaics. Organic photovoltaics wiley online books wiley online library.

A good efficiency of these devices has been obtained by using inorganic semiconductor materials. The development is basically hindered by the cost and efficiency. Processed molecular bulk heterojunction solar cells pages. The proper choice of interface materials is a must for highly efficient and stable opv devices and has become a significant part of the opv research today. Increasing efficiency of device physics and circuit model of organic solar cells choice of material. Organic solar cell research has developed during the past 30 years, but especially in the last decade it has attracted scientific and economic interest triggered by a rapid increase in power conversion efficiencies. Lamination of organic solar cells and organic light. Optimized devices exhibit an opencircuit voltage v. Here is an example taken from the ebook polymer photovoltaics.

Nearinfrared electron acceptors with unfused architecture. Pdf device physics of organic solar cells semantic scholar. Zwarts, in het openbaar te verdedigen op maandag 14 november 2005 om. Electrical conductivity in organic materials has been proved in the 1950s. Organic semiconductors, oleds and solar cells containing student problems at the end of each chapter and worked example problems throughout, this textbook is intended for senior level undergraduate students doing courses in electrical engineering, physics and materials science.

Device physics of organic solar cells reiner lemoinestiftung. State key laboratory of polymer physics and chemistry, beijing national. Ultrathin and lightweight organic solar cells with high. You are advised to consult the publishers version publishers pdf if. Nrel has strong complementary research capabilities in organic photovoltaic opv cells, transparent conducting oxides, combinatorial methods, molecular simulation methods, and atmospheric processing. Organic solar cells an overview sciencedirect topics. Understanding organic photovoltaic cells deep blue university.

Oled literature will be taken as a reference all along this chapter. Organic solar cells theory, experiment, and device. Encompassing the full spectrum of organic solar cell materials, modeling and simulation, and device physics and. The mechanical flexibility of plastic materials is welcome for all pv applications.

In order to choose the right solar cell for a specific geographic location, we are required to under. Organic photovoltaic solar cell organic photovoltaic device. First, a short history of organic solar cells is presented. Apr 03, 2017 an organic solar cell device or organic photovoltaic cell opvc is a class of solar cell that uses conductive organic polymers or small organic molecules for light absorption and charge transport.

Device physics, processing, degradation, and prevention crc press book this book contains detailed information on the types, structure, fabrication, and characterization of organic solar cells oscs. A heterojunction organic solar cell structure by diffusion. On the basis of the cost problem, we have developed new solar cells based on organic and organic inorganic hybrid materials. The absorption of nonfullerene acceptors nfas at nearinfrared nir regions is crucial for obtaining high current densities in organic solar cells oscs. Halogenation has proved an effective strategy to improve the power conversion efficiencies of organic solar cells but it usually leads to lower opencircuit voltages. For this reason organic based photovoltaic opv cells are attracting the. Pdf active layer materials for organic solar cells researchgate. Becquerel found that certain materials produced small amounts of electric current when. The concept system of an organic solar cell terminology. A book on the device physics of organic solar cells is planned to be.

Organic based light emitting diodes, photovoltaic devices, photodetectors, and transistors have attracted intense interest in the scientific community. Most organic photovoltaic cells are polymer solar cells. Nanostructured conjugated polymer solar cells fabricated using nil 90 figure 6. Organic solar cells materials and device physics wallace. This book covers in a textbooklike fashion the basics or organic solar cells, addressing the limits of photovoltaic energy conversion and giving a wellillustrated introduction to molecular electronics with focus on the working principle and characterization of organic solar cells. Nov 19, 2012 organic solar cells have emerged as new promising photovoltaic devices due to their potential applications in large area, printable and flexible solar panels. Zhenginterfacial materials for organic solar cells. Parasuraman,department of metallurgy and material science,iit madras. Organic optoelectronic materials have received considerable attention due to their applications in thinfilmtransistors, lightemitting diodes, solar cells, sensors, photorefractive devices, and many others. On the other hand, manufacture processes are very expensive in terms of both materials and techniques. Indeed, says lunt, by simply stacking their transparent solar cells, they could potentially reach an efficiency of 10% while still maintaining the ability to transmit light.

Organic photovoltaics research department of energy. A full set of analytical methods and processing conditions are executed to achieve high efficiency solar cells from materials design to device optimization, which will be useful in future osc technology development. Interface materials for organic solar cells journal of. These devices are relatively easy to fabricate, can also be processed on flexible substrates, however they have relatively low conversion. Advantages of organic solar cell,disadvantages of organic. Investigating the tradeoff between device performance and. E advanced inorganic materials and structures for photovoltaics energy f. Currently, around 80% of solar cells is made of polycrystaline or single crystal silicon 10. Stability of organic solar cells with pcdtbt donor polymer. A solar cell is an electronic device which directly converts sunlight into electricity. Organic solar cell research has developed during the past 30 years, but especially in the last decade it has attracted scientific and economic interest triggered by a rapid increase in power. Solar cells constructed of organic materials are becoming increasingly e.

Organic solar cells are called third generation cells, not only because of the date they came into existence in the world of solar cells but also because of the materials used to fabricate them. Characterization and diagnosis of silicon wafers, ingots, and solar cells. The combination of two different charge carriers drastically increases the interface area. This work is part of the interlaboratory collaboration to study the stability of organic solar cells containing pcdtbt polymer as a donor material. Vikram dalal, major professor rana biswas joseph shinar sumit chaudhary.

Materials science is taken in the broadest possible sense and encompasses physics, chemistry, optics, materials fabrication and analysis for all types of materials. The perovskite materials can be used not only as lightabsorbing layer, but also as an electronhole transport layer due to the. Organic solar cells materials and device physics wallace c. The technological promises include low cost of these materials and the possibility of their roomtemperature deposition from solution on largearea andor flexible substrates. An organic solar cell osc or plastic solar cell is a type of photovoltaic that uses organic electronics, a branch of electronics that deals with conductive organic polymers or small organic molecules, for light absorption and charge transport to produce electricity from sunlight by the photovoltaic effect. Light shining on the solar cell produces both a current and a voltage to generate electric power. It mentions organic solar cell advantages or benefits and organic solar cell disadvantages or drawbacks. Such particles are trapped at the interfaces between layers during the fabrication of oleds and organic solar cells organic photovoltaic cells opvs. Schanze, departments of chemistry and physics and center for macromolecular science and engineering, university of. Note that the thickness of each layer is drawn to scale. Subsequently, he moved to the department of physics and astronomy at the university of sheffield uk, where he worked with prof. Pdf a solar cell is an electronic device which directly converts sunlight into electricity. University of groningen device physics of organic bulk.

Second generation solar cells comprise of thin lms of materials like amorphous silicon. Encompassing the full spectrum of organic solar cell materials, modeling and simulation, and device physics and engineering, this comprehensive text. Organic photovoltaic solar cells photovoltaic research nrel. The mixture of the donor and acceptor organic semiconductor materials is grown as a thin film. Below is a list of the projects, summary of the benefits, and discussion on the production and manufacturing of this solar technology. Organic photovoltaic cell opv has emerged as a new competitor to inorganic material based solar cells, due to its potential application in large area, printable, and flexible solar panels. These are re ered to as rst generation solar cells. Device physics of organic and perovskite solar cells. Solar photovoltaic energy conversion is used today for both space and terrestrial energy generation. Further development to thin films, dye sensitized solar cells and organic solar cells enhanced the cell efficiency. From this point of view they can be examined in a few different topics such as dyesensitized solar cells dsscs, polymers and small molecules based. For organic solar cells oscs based on nonplanar phthalocyanines, it has previously been reported that a thin film composed of triclinic crystals with faceon or flatlyingoriented molecules, typically obtained with a cui template layer, is desired for optical absorption in the nearinfrared nir spectral region. Multifunctional bilayer template for nearinfraredsensitive. Herein, two narrowband gap nfas with unfused backbones possessing broad 600900 nm and strong absorption are developed by the conjugation of a benzothiadiazole core to halogenated end groups through a cyclopentadithiophene bridge.

Investigating the tradeoff between device performance and energy loss in nonfullerene organic solar cells ling hong ningbo institute of materials technology and engineering, chinese academy of sciences, ningbo 315201, p. After summarising the history of solar cells in chapter. Materials and device engineering for efficient and stable polymer. The varieties of the opv devices with different device architectures, electrode materials, encapsulation, and device dimensions were prepared by seven research laboratories. Mar 20, 2020 this work reveals the importance of film morphology and the mechanism by which it affects device performance. He became a professor in wuhan university of technology china in 2014. Materials, devices, interfaces, and modeling provides an indepth understanding of the current state of the art of organic solar cell technology.

An organic solar cell device or organic photovoltaic cell opvc is a class of solar cell that uses conductive organic polymers or small organic molecules for light absorption and charge transport. Efficient ternary organic solar cells based on immiscible blends. The suitability of 2d materials for photovoltaic applications was. Progress in organic pv cells require a clear understanding of the peculiar physics of amorphous organic semiconductors and devices 5. The university of toledo, department of physics and astronomy ssare, pvic principles and varieties of solar energy phys 4400 and fundamentals of solar cells phys 6980 fundamental properties of solar cells, principles and varieties of solar energy.

Organic solar cells have emerged as new promising photovoltaic devices due to their potential applications in large area, printable and flexible solar panels. These semi conductive organic molecules have the ability to absorb light and induce the transport of electrical charges between the conduction band of the. From fundamental physical studies to applied research related to solar industry needs, we are. This page covers advantages and disadvantages of organic solar cell. F photocatalytic materials for energy and environment energy g. D next generation of earthabundant materials for solar energy energy e. Since the perovskite solar cell is a nanoscale device the thickness and morphology of each layer strongly affects the photovoltaic parameters including. Everything else is a converted form of the suns energy. Jv curves of organic photovoltaic cells having crossbartype electrode geometry as the aluminum cathode was cut to remove excess current from pedot. Organic or plastic solar cells use organic materials carboncompound based mostly in the form of small molecules, dendrimers and polymers, to convert solar energy into electric energy. Hybrid solar cells based on organic inorganic materials photovoltaic applications. It is just as valuable for professionals and experimentalists who analyze solar cell devices. Xu x, zhang g, li y, feng k and peng q 2017 highly efficient halogenfree solvent processed smallmolecule organic solar cells enabled by material design and. There is, therefore, a need for combined experimental, computational, and analytical approaches that are designed to provide general insights for the design of lamination processes that are relevant to opvs and oleds.