使用溶液处理的 PbSe-TiO(2)-石墨烯杂化材料的高性能宽带光电探测器。
High-performance broadband photodetector using solution-processible PbSe-TiO(2)-graphene hybrids.
机构信息
Graphene Research Centre, Department of Chemistry, National University of Singapore, Singapore.
出版信息
Adv Mater. 2012 Apr 3;24(13):1697-702. doi: 10.1002/adma.201104399. Epub 2012 Feb 29.
PMID:22378495
Abstract
Highly sensitive, multicomponent broadband photodetector devices are made from PbSe/graphene/TiO(2). TiO(2) and PbSe nanoparticles act as light harvesting photoactive materials from the UV to IR regions of the electromagnetic spectrum, while the graphene acts as a charge collector for both photogenerated holes and electrons under an applied electric field.
摘要
高度敏感、多组分宽带光电探测器器件由 PbSe/石墨烯/TiO(2)制成。TiO(2)和 PbSe 纳米粒子在电磁波谱的紫外到红外区域充当光收集光活性材料，而石墨烯在施加电场下充当光生空穴和电子的电荷收集器。
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