title: Nitrogen-Doped Carbon Dots for "green" Quantum Dot Solar Cells.
abstract: Considering the environment protection, "green" materials are increasingly explored for photovoltaics. Here, we developed a kind of quantum dots solar cell based on nitrogen-doped carbon dots. The nitrogen-doped carbon dots were prepared by direct pyrolysis of citric acid and ammonia. The nitrogen-doped carbon dots' excitonic absorption depends on the N-doping content in the carbon dots. The N-doping can be readily modified by the mass ratio of reactants. The constructed "green" nitrogen-doped carbon dots solar cell achieves the best power conversion efficiency of 0.79 % under AM 1.5 G one full sun illumination, which is the highest efficiency for carbon dot-based solar cells.
authors.affiliation: College of Physics, Optoelectronics and Energy & Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou, 215006, People's Republic of China.
authors.forename: Hao
authors.initials: H
authors.lastname: Wang
authors.affiliation: College of Physics, Optoelectronics and Energy & Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou, 215006, People's Republic of China.
authors.forename: Pengfei
authors.initials: P
authors.lastname: Sun
authors.affiliation: College of Physics, Optoelectronics and Energy & Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou, 215006, People's Republic of China.
authors.forename: Shan
authors.initials: S
authors.lastname: Cong
authors.affiliation: Department of Electronic and Electrical Engineering, University College London, Torrington Place, London, UK.
authors.forename: Jiang
authors.initials: J
authors.lastname: Wu
authors.affiliation: College of Physics, Optoelectronics and Energy & Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou, 215006, People's Republic of China. gaolijun@suda.edu.cn.
authors.forename: Lijun
authors.initials: L
authors.lastname: Gao
authors.affiliation: College of Physics, Optoelectronics and Energy & Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou, 215006, People's Republic of China.
authors.forename: Yun
authors.initials: Y
authors.lastname: Wang
authors.affiliation: College of Physics, Optoelectronics and Energy & Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou, 215006, People's Republic of China.
authors.forename: Xiao
authors.initials: X
authors.lastname: Dai
authors.affiliation: College of Physics, Optoelectronics and Energy & Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou, 215006, People's Republic of China.
authors.forename: Qinghua
authors.initials: Q
authors.lastname: Yi
authors.affiliation: College of Physics, Optoelectronics and Energy & Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou, 215006, People's Republic of China. zouguifu@suda.edu.cn.
authors.forename: Guifu
authors.initials: G
authors.lastname: Zou
keywords: Carbon dots; Nitrogen-doped; Quantum dot solar cells