Optimizing Surface Chemistry of PbS Colloidal Quantum Dot for Highly Efficient and Stable Solar Cells via Chemical Binding.
Hu L, Lei Q, Guan X, Patterson R, Yuan J, Lin CH, Kim J, Geng X, Younis A, Wu X, Liu X, Wan T, Chu D, Wu T, Huang S.
Hu L, et al.
Adv Sci (Weinh). 2020 Nov 27;8(2):2003138. doi: 10.1002/advs.202003138. eCollection 2021 Jan.
Adv Sci (Weinh). 2020.
PMID: 33511019
Free PMC article.
However, as-synthesized PbS CQDs are significantly off-stoichiometric and contain inhomogeneously distributed S and Pb atoms at the surface, which results in undercharged Pb atoms, dangling bonds of S atoms and uncapped sites, thus causing surface trap states. ...Here, pot …
However, as-synthesized PbS CQDs are significantly off-stoichiometric and contain inhomogeneously distributed S and Pb atoms at the surface, …