Sökning: "Hongling Liu"

Hittade 2 avhandlingar innehållade orden Hongling Liu.

  1. 1. Color Tuning for Perovskite Light-Emitting Diodes

    Författare :Hongling Yu; Feng Gao; Xiaoke Liu; Olle Inganäs; Fengling Zhang; Maksym V. Kovalenko; Linköpings universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Perovskite light-emitting diodes; Color tuning; Pure and mixed halide; Spectral stability; White emission;

    Sammanfattning : Metal halide perovskites (MHPs) are recognized as promising semiconductor materials for a variety of optical and electrical device applications due to their cost-effective and outstanding optoelectronic properties. As one of the most significant applications, perovskite light-emitting diodes (PeLEDs) hold promise for future lighting and display technologies, attributed to their high photoluminescence quantum yield (PLQY), high color purity, and tunable emission color. LÄS MER

  3. 2. Crossing the river by feeling the stones : Approaches to Sustainable Urban Development in China

    Författare :Hongling Liu; Björn Frostell; Dick Urban Vestbro; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Sammanfattning : China already has the highest numbe of,and largest cities in its history. According to recent statistics, Chinese cities were home to 52.6% of China’s total population at the end of 2012. LÄS MER