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Post-Treatment of CH3 NH3 PbI3 /PbI2 Composite Films with Methylamine to Realize High-Performance Photoconductor Devices.
Li, Jieni; Li, Henan; Liu, Lai; Yao, Huizhen; Tian, Bingbing; Su, Chenliang; Zhong, Haizhe; Wang, Ye; Zhang, Lifu; Shi, Yumeng.
Affiliation
  • Li J; International Collaborative Laboratory of 2D Materials for Optoelectronics Science and Technology of Ministry of Education, Institute of Microscale Optoelectronics, Shenzhen University, Shenzhen, 518060, China.
  • Li H; Institute of Microscale Optoelectronics, Shenzhen University, Shenzhen, 518060, China.
  • Liu L; International Collaborative Laboratory of 2D Materials for Optoelectronics Science and Technology of Ministry of Education, Institute of Microscale Optoelectronics, Shenzhen University, Shenzhen, 518060, China.
  • Yao H; Institute of Microscale Optoelectronics, Shenzhen University, Shenzhen, 518060, China.
  • Tian B; International Collaborative Laboratory of 2D Materials for Optoelectronics Science and Technology of Ministry of Education, Institute of Microscale Optoelectronics, Shenzhen University, Shenzhen, 518060, China.
  • Su C; Institute of Microscale Optoelectronics, Shenzhen University, Shenzhen, 518060, China.
  • Zhong H; International Collaborative Laboratory of 2D Materials for Optoelectronics Science and Technology of Ministry of Education, Institute of Microscale Optoelectronics, Shenzhen University, Shenzhen, 518060, China.
  • Wang Y; Engineering Technology Research Center for 2D Material Information Function Devices and Systems of Guangdong Province, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, China.
  • Zhang L; International Collaborative Laboratory of 2D Materials for Optoelectronics Science and Technology of Ministry of Education, Institute of Microscale Optoelectronics, Shenzhen University, Shenzhen, 518060, China.
  • Shi Y; Engineering Technology Research Center for 2D Material Information Function Devices and Systems of Guangdong Province, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, China.
Chem Asian J ; 14(16): 2861-2868, 2019 Aug 16.
Article in En | MEDLINE | ID: mdl-31298787
Organometallic halide perovskites have attracted great research interest as light-active materials for use in optoelectronics. Here, we report a high-performance photoconductor based on a methylammonium lead iodide (MAPbI3 ) film that was prepared from a methylamine-treated MAPbI3 /PbI2 perovskite film. An ultrahigh responsivity of 3.6 A W-1 and detectivity of 5.4×1012  Jones were obtained for the film under 0.5 mW cm-2 white-light illumination. In addition, under 420 nm light irradiation, the film exhibited its highest responsivity and detectivity of 30 A W-1 and 2.4×1014  Jones, respectively. The excellent photo-response performance results from the improved electronic quality and suppressed nonradiative recombination channels of the treated perovskite thin film.
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Full text: 1 Collection: 01-internacional Database: MEDLINE Language: En Journal: Chem Asian J Year: 2019 Document type: Article Affiliation country: China Country of publication: Germany
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Full text: 1 Collection: 01-internacional Database: MEDLINE Language: En Journal: Chem Asian J Year: 2019 Document type: Article Affiliation country: China Country of publication: Germany