There is provided an active layer containing a dopant material and a host material, wherein the host material has an HPLC purity of at least 99.9% and an impurity absorbance no greater than 0.01. There is also provided an electronic device containing the active layer.
提供了一种含有掺杂材料和主体材料的活性层,其中主体材料的高效
液相色谱纯度至少为99.9%,杂质吸光度不大于0.01。还提供了一种包含该活性层的电子器件。