New functionality of organic-inorganic hybrids with chemically modified nanoparticles and development of innovative devices based on the hybrids

薄膜晶体管是用表面经过化学修饰的有机半导体二氧化硅纳米颗粒的混合物制造的。由于在疏水表面上的改善的可涂布性和有机半导体的改善的结晶性，薄膜晶体管表现出优异的电特性。新的薄膜晶体管生产工艺已经建立从调查结果。有机-无机混合体异质结太阳能电池也已经被制造，并且发现与常规有机太阳能电池相比，混合太阳能电池的器件寿命大大提高。用阻抗谱法测定了薄膜晶体管的界面态密度，结果表明有机-无机杂化栅绝缘体/有机半导体界面态密度非常低，表明该杂化材料也适合作为薄膜晶体管的栅绝缘体。

Thin film transistors have been fabricated using a mixture of organic semiconductors silica nanoparticles whose surfaces are chemically modified. The thin film transistors exhibit excellent electrical characteristics because of improved coatability on hydrophobic surfaces and improved crystallinity of organic semiconductors. New thin film transistor production processes have been established from the findings. Organic-inorganic hybrid bulk heterojunction solar cells have also been fabricated, and the device lifetime of the hybrid solar cells is found to be much improved in comparison with conventional organic solar cells. The interface density of states of the thin film transistor has been determined with impedance spectroscopy, and it is demonstrated that the density of states at the organic-inorganic hybrid gate insulator/organic semiconductor interface is extremely low, indicating that the hybrid materials are suitable to a gate insulator for thin film transistors as well.