Essays about: "bulk-heterojunction"

Found 5 essays containing the word bulk-heterojunction.

  1. 1. Organic Solar Cell Fabrication and Study on the Influence of Spin-dependent Processes on the Photocurrent using Spin-sensitive Techniques

    University essay from Uppsala universitet/Fasta tillståndets fysik

    Author : Ronja Olsmats Baumeister; Evelina Roxner; [2022]
    Keywords : EDMR; EPR; trEDMR; PEDOT:PSS; PCBM; P3HT; organic solar cells; osc; opv;

    Abstract : Research in recent years on novel materials in organic solar cells (OSCs) have contributed to a rapid advancement in OSC efficiency. Here, OSCs with the well-studied organic semiconductors poly(3-hexylthiophene):[6,6]-phenyl C60-butyric acid methylester (P3HT:PCBM) in a bulk heterojunction structure were prepared to establish a baseline procedure for fabrication and spin-sensitive spectroscopy. READ MORE

  3. 2. Time-resolved study of charge photo-generation in polymer-based solar cells with low driving force

    University essay from Lunds universitet/Fysiska institutionen

    Author : Paulius Baronas; [2014]
    Keywords : Organic polymer solar cells; BHJ solar cells; Charge photo-generation; Driving force; Time resolved photoluminescence; CT states; Physics and Astronomy;

    Abstract : Organic polymer-based solar cells recently attracted much attention as an efficient and inexpensive light-to-electricity conversion solution. However, the mechanism behind charge generation processes in organic materials is still not fully understood due to complex nature of carbon-based compounds. READ MORE

  4. 3. Microstructure and Temperature Stability of APFO-3:PCBM Organic Photovoltaic Blends

    University essay from Biomolekylär och Organisk Elektronik

    Author : Jonas Bergqvist; [2010]
    Keywords : conjugated polymer; organic semiconductor; organic photovoltaic; organic solar cell; bulk-heterojunction; microstructure; temperature stability;

    Abstract : In this thesis, the microstructure of organic photovoltaic APFO-3:PC61BM bulk-heterojunction blends was examined. Earlier studies have focused on the microstructure after spin coating. READ MORE

  5. 4. Studies of Inverted Organic Solar Cells Fabricated by Doctor Blading Technique

    University essay from Institutionen för fysik, kemi och biologi

    Author : Zheng Tang; [2010]
    Keywords : conjugated polymer; organic semiconductor; organic photovoltaic; organic solar cell; bulk-heterojunction; doctor blading.;

    Abstract : Over the last few decades, bulk-heterojunction organic photovoltaic devices comprising an intimately mixed donor-acceptor blend have gained serious attention due to their potential for being cheap, light weight, flexible and environmentally friendly. In this thesis, APFO-3/PCBM bulk-heterojunction based organic photovoltaic devices with an inverted layer sequence were investigated systematically. READ MORE

  6. 5. P3HT:PCBM Bulk Heterojunction Organic Solar Cell : Performance Optimization and Application of Inkjet Printing

    University essay from Institutionen för teknik och naturvetenskap

    Author : Jiang Liu; [2008]
    Keywords : P3HT; PCBM; Pedot;

    Abstract : Organic solar cells have emerged as an important cheap photovoltaic technology. In this thesis work, a study of P3HT:PCBM heterojunction solar cells was presented. READ MORE