Search for dissertations about: "Photoswitches"

Showing result 1 - 5 of 10 swedish dissertations containing the word Photoswitches.

  2. 1. Molecular photoswitches toward single-molecule electronics applications

    Author : Shima Ghasemi; Chalmers tekniska högskola; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Photoswitches; Molecular electronics; Conductance; Quadricyclane; Norbornadiene; Anchoring groups;

    Abstract : The drive towards miniaturization of electronic devices has sparked a growing interest in finding alternatives to conventional silicon-based technology. Over the years, molecular electronics has emerged as a promising avenue for the fabrication of electronic components with advanced functions. READ MORE

  4. 2. Unconventional Modulation of Diarylethene Photoswitches

    Author : Wera Larsson; Chalmers tekniska högskola; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; photochromic molecules; photochemistry; photon upconversion; molecular photoswitches; triplet-triplet annihilation; diarylethene; nanocrystals; triplet sensitization;

    Abstract : Light can be manipulated and modulated to fit a particular need or application, such as overcoming a spectral mismatch when facilitating a high energy photochemical reaction. This can be of use in various applications, including solar energy conversion and biological contexts. READ MORE

  5. 3. Design, Synthesis and Evaluation of Photoswitches for Molecular Solar Thermal Energy Storage Systems

    Author : Maria Quant; Chalmers tekniska högskola; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; Solar fuels; Norbornadiene; Tetracyclooctane.; Quadricyclane; Energy storage and release; Solar energy; Photoswitches; Molecular solar thermal energy storage; Diels-Alder reaction; Bicyclooctadiene; Energy conversion;

    Abstract : To meet the future energy demands and handle climate changes, new sustainable energy sources must be developed. Over the last decades, great scientific progress on harvesting solar energy has been made, but storing the energy is still a challenge. READ MORE

  6. 4. Exploring Devices for Molecular Solar Thermal Energy Storage Systems

    Author : Zhihang Wang; Chalmers tekniska högskola; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Solar energy; photochromic molecule; dihydroazulene vinylheptafulvene photoswitches; energy conversion; norbornadiene quadricyclane photoswitches; energy storage;

    Abstract : The sun is considered to be one of the most abundant and renewable sources of energy. During recent last decades, technologies for solar energy capture and storage have been significantly investigated. An attractive way to store solar light, is to use photochromic molecules that can capture and store solar energy in chemical bonds. READ MORE

  7. 5. Using Low Energy Light to Enable High Energy Photochemistry

    Author : Wera Larsson; Chalmers tekniska högskola; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; triplet-triplet annihilation; solar energy conversion; photochemistry; molecular photoswitches; photochemical upconversion; triplet sensitization; fluorescence modulation;

    Abstract : Manipulating light to meet human needs is pivotal in various research fields and technological applications, ranging from solar energy conversion to photodynamic therapy and fluorescence imaging of cells and tissues. This thesis addresses the spectral mismatches between available light and the specific energy requirements of target photochemical reactions by employing low-energy light to control high-energy photochemistry. READ MORE