Essays about: "Photocurrent"

Showing result 1 - 5 of 27 essays containing the word Photocurrent.

  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. Characterization of Graphene-Based Anisotropic Conducting Adhesives : A study regarding x-ray sensing applications

    University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Author : Marcus Gärdin; [2019]
    Keywords : Anisotropic conductive adhesive; Graphene; Flip-chip; Graphene oxide; Epoxy composite; Anisotropt ledande adhesive; Grafen; Flip-chip; Grafenoxid; Epoxykomposit;

    Abstract : A common method of cancer treatment is radiation therapy. In radiation therapy, a treatment planning system is made to specify the dose of X-rays needed to eradicate the tumor. To assure the right amount of X-ray dosage a quality assurance is using a phantom containing radiation sensors. READ MORE

  4. 3. Development of a Simple and Cheap Equipment for monitoring the solar Irradiance on PV modules.

    University essay from Högskolan i Gävle/Energisystem och byggnadsteknik

    Author : Pablo Casanaba; [2019]
    Keywords : Photovoltaic; DC; DAQ system; photocurrent; operational amplifier; pyranometer; reference solar cell; photodiode; irradiance;

    Abstract : Increased use of renewable energies that is taking place all over the world is having a very important impact on the photovoltaic solar energy industry. This means of obtaining electrical energy is one of the most promising ones nowadays, thanks to the fact that it is a technology of easy installation and maintenance. READ MORE

  5. 4. Iron-Based Dye-Sensitized Solar Cells - From Theory to Working Solar Cell

    University essay from Lunds universitet/Centrum för analys och syntes

    Author : Linnea Lindh; [2019]
    Keywords : Dye-sensitized solar cells; Grätzel cells; solar cells of the future; solar cells of tomorrow; spectroscopy; time-resolved spectroscopy; materials chemistry; materialkemi; Chemistry;

    Abstract : In the hunt for fossile-free energy-harvesting techniques, solar cells constitute one of the most promising techniques. Today, silicon-based solar cells are the dominant technique on the market but even the Silicon solar cell has limitations which means that there is a motivation for developing new solutions. READ MORE

  6. 5. I-V and Optical Characterization of InP/InAsP Quantum Disc-in-Nanowire Infrared Photodetectors

    University essay from Högskolan i Halmstad/Akademin för informationsteknologi

    Author : Divya Raval; [2019]
    Keywords : Nanowires; Infrared photodetectors; Quantum disc; Photocurrent;

    Abstract : Photodetectors are semiconductor devices capable of converting optical signals into electrical signals. There is a wide range of applications for photodetectors such as fiber optics communication, infrared heat camera sensors, as well as in medical and military equipment. READ MORE