Sökning: "spiro-OMeTAD"

Visar resultat 1 - 5 av 6 avhandlingar innehållade ordet spiro-OMeTAD.

  1. 1. Hole Transport Materials for Solid-State Mesoscopic Solar Cells

    Detta är en avhandling från Uppsala : Acta Universitatis Upsaliensis

    Författare :Lei Yang; Uppsala universitet.; [2014]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; mesoscopic solar cells; solid-state dye-sensitized solar cells; organometallic halide perovskite; hole transport materials; mesoporous TiO2; conjugated polymer; sensitizer; transient absorption spectroscopy; photo-induced absorption spectroscopy; in-situ photoelectrochemical polymerization; spiro-OMeTAD; P3HT; TPAA; MeO-TPD; bis-EDOT; DEH; Li ion migration; charge recombination; electron lifetime;

    Sammanfattning : The solid-state mesoscopic solar cells (sMSCs) have been developed as a promising alternative technology to the conventional photovoltaics. However, the device performance suffers from the low hole-mobilities and the incomplete pore filling of the hole transport materials (HTMs) into the mesoporous electrodes. LÄS MER

  2. 2. Electronic Structures and Energy Level Alignment in Mesoscopic Solar Cells A Hard and Soft X-ray Photoelectron Spectroscopy Study

    Detta är en avhandling från Uppsala : Acta Universitatis Upsaliensis

    Författare :Rebecka Lindblad; Uppsala universitet.; [2014]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Photoelectron spectroscopy; HAXPES; PES; XPS; electronic structure; energy level alignment; mesoscopic solar cell; hole conductor; perovskite; dye-sensitized; semiconductor-sensitized; TiO2; ZnO; spiro-OMeTAD; P3HT; DEH; metal sulfide; Li-TFSI; Co III complex; Physics with spec. in Atomic; Molecular and Condensed Matter Physics; Fysik med inriktning mot atom- molekyl- och kondenserande materiens fysik;

    Sammanfattning : Photoelectron spectroscopy is an experimental method to study the electronic structure in matter. In this thesis, a combination of soft and hard X-ray based photoelectron spectroscopy has been used to obtain atomic level understanding of electronic structures and energy level alignments in mesoscopic solar cells. LÄS MER

  3. 3. Novel organic sensitizers and hole transport materials for efficient solid-state photovoltaic devices

    Detta är en avhandling från KTH Royal Institute of Technology

    Författare :Peng Liu; KTH.; [2017]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; organic sensitizers; ssDSCs; perovskite solar cell; hole transport materials; cross-linked polymeric sulfur; Kemi; Chemistry;

    Sammanfattning : State-of-art solid-state photovoltaic devices, such as solid-state dye sensitized solar cells (ssDSSCs) and perovskite solar cells have attracted significant attention due to their high efficiency and potential low-cost manufacture. However, there are still challenges that limit the application up-scaling.. LÄS MER

  4. 4. Advanced Organic Hole Transport Materials for Solution-Processed Photovoltaic Devices

    Detta är en avhandling från Stockholm : KTH Royal Institute of Technology

    Författare :Xu Bo; KTH.; [2015]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Kemi; Chemistry;

    Sammanfattning : Solution-processable photovoltaic devices (PVs), such as perovskite solar cells (PSCs) and solid-state dye-sensitized solar cells (sDSCs) show great potential to replace the conventional silicon-based solar cells for achieving low-cost and large-area solar electrical energy generation in the near future, due to their easy manufacture and high efficiency. Organic hole transport materials (HTMs) play important roles in both PSCs and sDSCs, and thereby can well facilitate the hole separation and transportation, for obtaining high performance solar cells. LÄS MER

  5. 5. Strategies for Performance Improvement of Quantum Dot Sensitized Solar Cells

    Detta är en avhandling från Stockholm : KTH Royal Institute of Technology

    Författare :Jing Huang; KTH.; [2016]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; quantum dot sensitized solar cells; Theoretical Chemistry and Biology; Teoretisk kemi och biologi;

    Sammanfattning : Quantum dot sensitized solar cells (QDSCs) constitute one of the most promising low-cost solutions that are explored for the world’s needs of clean and renewable energy. Efficient, low-toxic and stable QDSCs for large-scale applications have formed the subject for the solar cell research during recent years. LÄS MER