Semi-Transparent, Pixel-Free Upconversion Goggles with Dual Audio-Visual Communication.

ABSTRACT: The intractable brittleness and opacity of the crystalline semiconductor restrict the prospect of developing low-cost imaging systems. Here, infrared visualization technologies are established with large-area, semi-transparent organic upconversion devices that bring high-resolution invisible images into sight without photolithography. To exploit all photoinduced charge carriers, a monolithic device structure is proposed built on the infrared-selective, single-component charge generation layer of chloroaluminum phthalocyanine (ClAlPc) coupled to two visible light-emitting layers manipulated with unipolar charges. Transient pump-probe spectroscopy reveals that the ClAlPc-based device exhibits an efficient charge dissociation process under forward bias. This process is indicated by the prompt

SUBMITTER: Shih CJ 

PROVIDER: S-EPMC10625064 | biostudies-literature | 2023 Nov

REPOSITORIES: biostudies-literature