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We report on the observation of the significant photocurrent response of a carbon nanotube (CNT) heterostructure device illuminated by continuous-wave terahertz (THz) radiation. The device consists of a double-walled CNT macrobundle contacted with two metallic nickel electrodes. A room-temperature current responsivity up to ∼0.3 mA/W was obtained when THz radiation was incident on the position of...
Terahertz-radiation-induced photocurrents have been experimentally observed in a carbon nanotube (CNT)/nickel heterojunction. The temporal photoresponse shows a relatively fast and a slow process, corresponding to the photoelectric and thermal effects, respectively. The photoconductive properties of this junction under terahertz illumination are also explored. Our work demonstrates the possibility...
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