Sökning: "all polymer solar cells"

Visar resultat 1 - 5 av 16 avhandlingar innehållade orden all polymer solar cells.

1. 1. Design, Synthesis and Characterization of Conjugated Polymers for Photovoltaics and Electrochromics

   Författare :Kim Bini; Chalmers tekniska högskola; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; organic electronics; conjugated polymers; electrochromic polymers; polymer solar cells; all-polymer solar cells; side chain engineering;

   Sammanfattning : With the invention of organic electronics, a new class of materials needed to be explored and suitable applications found. The use as semiconductors in many different devices has been explored, where photovoltaics, light-emitting diodes and field-effect transistors have been prominent. LÄS MER

3. 2. Synthesis and Characterization of Acceptor Polymers for All-Polymer Solar Cells and Photodetectors

   Författare :Zhaojun Li; Chalmers tekniska högskola; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; morphology; all polymer solar cells; all polymer photodetectors; conjugated polymers; charge recombination;

   Sammanfattning : The development of polymer semiconductors has become an important topic due to its advantages of low cost, easy fabrication, light weight, and capability to fabricate flexible large-area devices. For example, as the need for new clean energy sources is increasing, polymer solar cells (PSCs) are being developed rapidly and becoming a promising alternative to silicon solar cells. LÄS MER

4. 3. Polymer/polymer blends in organic photovoltaic and photodiode devices

   Författare :Yuxin Xia; Olle Inganäs; Ergang Wang; Hin-Lap Yip; Linköpings universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES;

   Sammanfattning : Organic photovoltaics devices (OPV) have attracted attentions of scientist for their potential as inexpensive, lightweight, flexible and suitable for roll-to-roll production. In recent years, considerable attention has been focused on new acceptor materials, either polymeric or small molecules, to replace the once dominating fullerene derivatives. LÄS MER

5. 4. Characterization of dye-sensitized solar cells : Components for environmentally friendly photovoltaics

   Författare :Hanna Ellis; Anders Hagfeldt; Gerrit Boschloo; Erik Johansson; Maria Hahlin; Uppsala universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; solar cells; dye-sensitized solar cells; Chemistry with specialization in Physical Chemistry; Kemi med inriktning mot fysikalisk kemi;

   Sammanfattning : As fossil fuels, the major source of energy used today, create the greenhouse gas carbon dioxide which causes global warming, alternative energy sources are necessary in the future. There is a need for different types of renewable energy sources such as hydropower, windpower, wave- power and photovoltaics since different parts of the world have different possibilities. LÄS MER

7. 5. Conjugated polymers with functional side chains for photovoltaics

   Författare :Kim Bini; Chalmers tekniska högskola; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; side chain engineering; polymer solar cells; green solvent solubility; transmission electron microscopy; conjugated polymers;

   Sammanfattning : Polymer solar cells are quickly approaching viability as a large scale electrical power source. To increase their stability and processability in green solvents, we want to modify their solubilizing side chains with different functionalities. LÄS MER