Allinorganic perovskite solar cells pvscs have drawn increasing attention because of their outstanding thermal stability. Siliconwafer cells have light absorbing layers up to 350 m thick, while thinfilm solar cells have a very thin light absorbing layers, generally of the order of 1 m thickness. Encompassing the full spectrum of organic solar cell materials, modeling and simulation, and device physics and engineering, this comprehensive text. Paul blom max plack institute for polymer research, mainz tries to adapt the theory he explained in the first part, on organic solar cells. Light shining on the solar cell produces both a current and a voltage to generate electric power. Interface materials are either no interface engineering of organic electronics. Oe is a new sustainable class of device, spanning organic transistors 26,27, organic solar cells 28, 29, diode lighting 30,31, flexible displays 32, integrated smart systems such as rfids. The result is a balanced, comprehensive text on the fundamentals. It compares the costeffectiveness of oscs to those based on crystalline silicon. A solar cell, or photovoltaic cell, is an electrical device that converts the energy of light directly into electricity by the photovoltaic effect, which is a physical and chemical phenomenon.
A heterojunction organic solar cell structure by diffusion. It is a form of photoelectric cell, defined as a device whose electrical characteristics, such as current, voltage, or resistance, vary when exposed to light individual solar cell devices can be. Organic solar cells materials and device physics wallace c. The field of organic solar cells is closely related to many other research fields such as device physics, electronics, and synthetic chemistry, in which there are a vast number of researchers. Small molecule nearinfrared boron dipyrromethene donors for.
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. Lamination of organic solar cells and organic light. This thesis deals with the device physics of organic solar cells. Nevertheless, the low production costs of plastics combined with the flexibility of organic molecules marks the great potential of opvcs for photovoltaic applications. The interface between the two organic materials, rather than the electrodeorganic contacts, is crucial in.
The donor absorbs sunlight, transfers electrons to acceptor, and transports holes to anode, while the acceptor takes electrons from donor and transports electrons to cathode. Organic solar cell is a type of device made up of thin films of carbonbased polymer or molecule as a donor blended with an acceptor material. Characterization of organic solar cell devices dtu orbit. Vikram dalal, major professor rana biswas joseph shinar sumit chaudhary. Solar cells, covering single crystal, polycrystalline and amorphous materials utilising homojunctions. Since late 2012, organicinorganic halides with the perovskite structure have strongly attracted the attention of the photovoltaic community when efficiencies close to 10% were first achieved in solid state cells. Materials science is taken in the broadest possible sense and encompasses physics, chemistry, optics, materials fabrication and analysis for all types of materials. This book contains detailed information on the types, structure, fabrication, and characterization of organic solar cells oscs. Materials and device engineering for efficient and stable polymer.
A solar cell or a photovoltaic cell is a device that converts photons from the sun solar light into electricity. The donor absorbs sunlight, transfers electrons to acceptor, and transports holes to anode, while the acceptor takes. Application of pn junctions within solar cells is discussed. We give the upper limit to the solar cell e ciency. These semi conductive organic molecules have the ability to absorb light and induce the transport of electrical charges between the conduction band of the. On the basis of the cost problem, we have developed new solar cells based on organic and organicinorganic hybrid materials. Denis ar con ljubljana, may 2011 abstract this seminar is a short overview of current photovoltaics. Regulating the packing of nonfullerene acceptors via. Electrical conductivity in organic materials has been proved in the 1950s. Like any solar cell, their efficiency at producing electricity from sunlight is characterized by three parameters.
Device physics of organic and perovskite solar cells. Paul blom max plack institute for polymer research, mainz explains how organic solar cells work. Such particles are trapped at the interfaces between layers during the fabrication of oleds and organic solar cells organic photovoltaic cells opvs. A processing, characterization, modelling and applications of nano energetic materials energy.
Reports on leadingedge engineering from the 2005 symposium. The dyesensitized solar cell dssc is the newest photovoltaic device configuration. The interface between the two organic materials, rather than the electrodeorganic contacts, is crucial in determining the photovoltaic properties of the cell. First, a short history of organic solar cells is presented. The field of organic solar cells profited well from the development of lightemitting diodes based on similar technologies, which have entered the market recently. Three furan fused boron dipyrromethenes bodipys with a cf3 group on the mesocarbon are synthesized as nearinfrared absorbing materials for vacuum processable organic solar cells. 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.
First he will tell about the general background of the charge transport mechanism in. Current progress and future perspectives for organic. The device physics of organic solar cells electronic. However, their performance is still inferior than the typical organic. B device physics of thin film film solar cells asi, cdte, czts. The best single junction device reaches a shortcircuit current jsc of. You may not further distribute the material or use it for any profitmaking activity or. Most of the thin film solar cells and asi are second generation solar cells, and are more economical as compared to the first generation silicon wafer solar cells. The varieties of the opv devices with different device architectures, electrode materials, encapsulation, and device dimensions were prepared by seven research laboratories. Thus, effective approaches and strategies need to be found to alleviate their. Interface materials for organic solar cells journal of. For convection cells on the suns surface, see granule solar physics. The basic structure of a dssc involves a transparent widebandgap ntype semiconductor configured optimally in a nanoscale network of columns, touching nanoparticles, or corallike protrusions.
Zwarts, in het openbaar te verdedigen op maandag 14 november 2005 om. A conventional crystalline silicon solar cell as of 2005. These values are highly promising for an electron donor material with an. Pdf device physics of organic solar cells semantic scholar.
On the basis of the cost problem, we have developed new solar cells based on organic and organic inorganic hybrid materials. Alam solar energy materials and solar cells, 9512, 32873294, 2011. Aug 11, 2011 organic semiconductors, oleds and solar cells. Organic solar cells an overview sciencedirect topics. University of groningen device physics of organic bulk. 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. D next generation of earthabundant materials for solar energy energy e. In general, a solar cell that includes both solar and nonsolar sources of. Physical chemistry chemical physics, 2016, 18, 112. The thermal stability of organic solar cells is critical for practical applications of this emerging technology. 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. Organic solar cells oscs are one of the emerging photovoltaic pv technologies and are classified as thirdgeneration solar cells with organic polymer material as the light absorbing layer. Increasing efficiency of device physics and circuit model of organic solar cells choice of material.
Handbook of organic materials for optical and optoelectronic devices, 20. Organic solar cells are photovoltaic devices that use semiconducting plastics as the active layer rather than traditional inorganic materials such as silicon. Mar 05, 2015 in this second part of his talk, prof. Simultaneous enhanced efficiency and thermal stability in. The performance of polymer solar cells depends strongly on the.
Organic solar cells have emerged as new promising photovoltaic devices due to their potential applications in large area, printable and flexible solar panels. The rapid strides in the development of highly efficient organicinorganic halide perovskite solar cells now demands attention to be paid to fundamental studies while simultaneously pursuing new materials and device development for the widespread deployment of this solution processed photovoltaic technology. It discusses processes to improve efficiencies and the prevention of degradation in oscs. You are advised to consult the publishers version publishers pdf if.
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. B advanced materials and systems for electrochemical energy storage energy. Organic electronics have gained rapid acceptance in the electronic display industry due to their low cost and ultrathin, flexible form factor. First he will tell about the general background of. F photocatalytic materials for energy and environment energy g. In addition, both the polymer photovoltaic device efficiency and the knowledge of the physical processes underlying opvcs have improved significantly since the turn of the 21st century. Organic solar cells materials and device physics wallace. A solar cell is an electronic device which directly converts sunlight into electricity. E advanced inorganic materials and structures for photovoltaics energy f.
Materials and device engineering for efficient and stable polymer solar cells. Small molecule nearinfrared boron dipyrromethene donors. Perovskite solar cell psc materials a perovskite solar cell, that was first reported by. Electrical contacts made from busbars the larger silvercolored strips and fingers the smaller ones are printed on the silicon wafer. Opv organic photovoltaics nanoflex power corporation. Perovskite solar cell psc materials a perovskite solar cell, that was first reported by miyasaka et al. A perovskite structured compound is a hybrid organicinorganic lead or tin halidebased material and also has the active layer for harvesting the light. D next generation of earthabundant materials for solar energy energy. Comparing experimental to simulation data, the author discusses the reasons for sshaped jv curves, the role of charge carrier mobilities and energy barriers at interfaces, the dominating recombination mechanisms, the charge carrier generation profile, and other efficiencylimiting processes in organic solar cells. Characterization of organic solar cell devices and their interfaces under degradation. Materials, devices, interfaces, and modeling provides an indepth understanding of the current state of the art of organic solar cell technology. 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.
Highly efficient allinorganic perovskite solar cells with. 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. Achieving fill factor above 80% in organic solar cells by charged interface b. Most organic photovoltaic cells are polymer solar cells. Jun 20, 2017 photovoltaic solar cell ppt and pdf report. 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. Jan 10, 2020 allinorganic perovskite solar cells pvscs have drawn increasing attention because of their outstanding thermal stability. The excellent properties and the innovative device possibilities in perovskitestructured organometal halides has resulted in a frenzied increase of publications reporting high. Regulating the packing of nonfullerene acceptors via multiple noncovalent interactions for enhancing the performance of organic solar cells shiyu feng key laboratory of energy conversion and storage materials, college of chemistry, center for advanced quantum studies, department of physics and applied optics, beijing area major laboratory. Few facts of solar energy are explained below a perovskite structured compound is present in perovskite solar cell. Linz institute for organic solar cells lios, physical chemistry, johannes kepler university of linz, a4040 linz, austria franz padinger and thomas fromherz quantum solar energy linz qsel, gruberstr.