In this paper, Bi2S3 nanorods were successfully synthesized via a facile one-pot hydrothermal method and characterized by X-ray diffraction, field emission scanning electron microscopy, transmission electron microscop...In this paper, Bi2S3 nanorods were successfully synthesized via a facile one-pot hydrothermal method and characterized by X-ray diffraction, field emission scanning electron microscopy, transmission electron microscopy and X-ray photoelectron spectroscopy. Then the Bi2S3 nanorods were deposited on Au interdigital electrodes by dip-coating to fabricate photodetectors. The photoresponse properties using Bi2S3 nanorods as a representative system showed a significantly enhanced conductivity and the current-voltage （I-V） characteristic exhibited about ca. 2 orders of magnitude larger response and decay time was than the dark current. The estimated to be -371.66 and 386 ms, respectively, indicating Bi2S3 may be an excellent candidate for high speed and high-sensitivity photoelectrical switches and light sensitive devices.展开更多
文摘In this paper, Bi2S3 nanorods were successfully synthesized via a facile one-pot hydrothermal method and characterized by X-ray diffraction, field emission scanning electron microscopy, transmission electron microscopy and X-ray photoelectron spectroscopy. Then the Bi2S3 nanorods were deposited on Au interdigital electrodes by dip-coating to fabricate photodetectors. The photoresponse properties using Bi2S3 nanorods as a representative system showed a significantly enhanced conductivity and the current-voltage （I-V） characteristic exhibited about ca. 2 orders of magnitude larger response and decay time was than the dark current. The estimated to be -371.66 and 386 ms, respectively, indicating Bi2S3 may be an excellent candidate for high speed and high-sensitivity photoelectrical switches and light sensitive devices.
