TY - JOUR
T1 - Ultrahigh Carrier Mobility Achieved in Photoresponsive Hybrid Perovskite Films via Coupling with Single-Walled Carbon Nanotubes
AU - Li, Feng
AU - Wang, Hong
AU - Kufer, Dominik
AU - Liang, Liangliang
AU - Yu, Weili
AU - Alarousu, Erkki
AU - Ma, Chun
AU - Li, Yangyang
AU - Liu, Zhixiong
AU - Liu, Changxu
AU - Wei, Nini
AU - Wang, Fei
AU - Chen, Lang
AU - Mohammed, Omar F.
AU - Fratalocchi, Andrea
AU - Liu, Xiaogang
AU - Konstantatos, Gerasimos
AU - Wu, Tao
N1 - KAUST Repository Item: Exported on 2020-10-01
Acknowledgements: F.L. and H.W. contributed equally to this work. This work was supported by the King Abdullah University of Science and Technology (KAUST). G.K. and D.K. acknowledge financial support from Fundacio Privade Cellex and from the Spanish Ministry of Economy and Competitiveness, through the “Severo Ochoa” Programme for Centres of Excellence in R&D (SEV-2015-0522).
PY - 2017/2/22
Y1 - 2017/2/22
N2 - Organolead trihalide perovskites have drawn substantial interest for photovoltaic and optoelectronic applications due to their remarkable physical properties and low processing cost. However, perovskite thin films suffer from low carrier mobility as a result of their structural imperfections such as grain boundaries and pinholes, limiting their device performance and application potential. Here we demonstrate a simple and straightforward synthetic strategy based on coupling perovskite films with embedded single-walled carbon nanotubes. We are able to significantly enhance the hole and electron mobilities of the perovskite film to record-high values of 595.3 and 108.7 cm(2) V(-1) s(-1) , respectively. Such a synergistic effect can be harnessed to construct ambipolar phototransistors with an ultrahigh detectivity of 3.7 × 10(14) Jones and a responsivity of 1 × 10(4) A W(-1) , on a par with the best devices available to date. The perovskite/carbon nanotube hybrids should provide a platform that is highly desirable for fields as diverse as optoelectronics, solar energy conversion, and molecular sensing.
AB - Organolead trihalide perovskites have drawn substantial interest for photovoltaic and optoelectronic applications due to their remarkable physical properties and low processing cost. However, perovskite thin films suffer from low carrier mobility as a result of their structural imperfections such as grain boundaries and pinholes, limiting their device performance and application potential. Here we demonstrate a simple and straightforward synthetic strategy based on coupling perovskite films with embedded single-walled carbon nanotubes. We are able to significantly enhance the hole and electron mobilities of the perovskite film to record-high values of 595.3 and 108.7 cm(2) V(-1) s(-1) , respectively. Such a synergistic effect can be harnessed to construct ambipolar phototransistors with an ultrahigh detectivity of 3.7 × 10(14) Jones and a responsivity of 1 × 10(4) A W(-1) , on a par with the best devices available to date. The perovskite/carbon nanotube hybrids should provide a platform that is highly desirable for fields as diverse as optoelectronics, solar energy conversion, and molecular sensing.
UR - http://hdl.handle.net/10754/622935
UR - http://onlinelibrary.wiley.com/doi/10.1002/adma.201602432/abstract
UR - http://www.scopus.com/inward/record.url?scp=85013488762&partnerID=8YFLogxK
U2 - 10.1002/adma.201602432
DO - 10.1002/adma.201602432
M3 - Article
C2 - 28225207
SN - 0935-9648
VL - 29
SP - 1602432
JO - Advanced Materials
JF - Advanced Materials
IS - 16
ER -
