Sökning: "Charge injection"

Visar resultat 21 - 24 av 24 uppsatser innehållade orden Charge injection.

  1. 21. Organic-Inorganic Hetero Junction White Light Emitting Diode : N-type ZnO and P-type conjugated polymer

    Uppsats för yrkesexamina på grundnivå, Institutionen för teknik och naturvetenskap

    Författare :Shafeek Lubuna Beegum; [2008]
    Nyckelord :WLED; ZnO; Zinc Oxide; Organic; Inorganic; Conjucated Polymer; LED; ACG;

    Sammanfattning : The purpose of this thesis work is to design and fabricates organic-inorganic hetero junction White Light Emitting Diode (WLED). In this WLED, inorganic material is n- type ZnO and organic material is p-type conjugated polymer. LÄS MER

  3. 22. Polymer electrochromism and surface plasmons combined on metallic diffraction gratings

    Uppsats för yrkesexamina på grundnivå, Institutionen för teknik och naturvetenskap

    Författare :Jérôme Garnier; [2008]
    Nyckelord :Conducting polymers; electrochromism; surface plasmons; PEDOT-PSS; PEDOT-S;

    Sammanfattning : All conducting polymers are potentially electrochromic, owing to the injection of charge carriers that changes their electronic structure and results in a shift of their optical absorption towards higher wavelengths. PEDOT-PSS and PEDOT-S are very promising materials in terms of electrochromic properties, due to the good contrast existing between their doped and undoped forms. LÄS MER

  4. 23. Optisk undersökning av dieselsprayer från en höghastighetsroterande insprutare

    Master-uppsats, KTH/Maskinkonstruktion (Inst.)

    Författare :Tobias Pettersson; [2007]
    Nyckelord :;

    Sammanfattning : There have been changes in Earth’s climate system on both global and regional scale since the pre-industrial era and some of these changes are due to human activities such as the combustion of fossil fuels. This calls for the development of engines with a higher efficiency and less harmful emissions. LÄS MER

  5. 24. Design of Highly Linear Sampling Switches for CMOS Track-and-Hold Circuits

    Uppsats för yrkesexamina på grundnivå, Institutionen för systemteknik

    Författare :Muhammad Irfan Kazim; [2006]
    Nyckelord :Switch non-linearities; Bootstrap switch; Bulk-effect compensation switch; Charge injection;

    Sammanfattning : This thesis discusses non-linearities associated with a sampling switch and compares transmission gate, bootstrapping and bulk-effect compensation architectures at circuit level from linearity point of view for 0.35 um CMOS process. All switch architectures have been discussed and designed with an additional constraint of switch reliability. LÄS MER