Quantum dot and star like lead sulfide for infrared radiation detection

Author

Dolatyari, Mahboubeh ; Miri, Somayeh ; Shekari, Hemayat ; Bakhtiari, Akbar ; Rostami, Ali

Author_Institution

Sch. of Eng. Emerging Technol., Univ. of Tabriz, Tabriz, Iran

fYear

2011

fDate

13-16 Nov. 2011

Firstpage

1

Lastpage

6

Abstract

Photosensors based on quantum dot and star like PbS has been successfully fabricated. Lead sulfides were synthesized by sonochemical and hydrothermal methods and coated on Cu interdigitated electrodes. The current-voltage (I-V) characteristics show linear and exponential behavior for quantum dots and star like PbS respectively. The photosensitivity is high for fabricated detectors by star like PbS. However, fast response time was observed for the detector fabricated by quantum dots.

Keywords

IV-VI semiconductors; copper; infrared detectors; lead compounds; photodetectors; Cu; PbS; current-voltage characteristics; exponential behavior; hydrothermal method; infrared radiation detection; interdigitated electrode; linear behavior; photosensitivity; photosensors; quantum dot; sonochemical method; star like lead sulfide; Abstracts; Microscopy; Microwave amplifiers; Microwave imaging; Hydrothermal; MSM; PbS; Photoconductive detector; Star like; quantum dot; ultrasonic;

fLanguage

English

Publisher

ieee

Conference_Titel

Communications and Photonics Conference and Exhibition, 2011. ACP. Asia

Conference_Location

Shanghai

ISSN

2162-108X

Print_ISBN

978-0-8194-8961-6

Type

conf

DOI

10.1117/12.904408

Filename

6210686