Polydopamine (PDA)-coated gold nanoparticles (Au@PDA) were used as electronic transport layer (ETL) modifiers in PTB7:PC71BM polymer solar cells. PDA can effectively modify the surface of gold nanoparticles (Au NPs) and improve the stability of them. In addition, PDA also effectively binds to ZnO ETL, reducing surface defect and improving the combination between the interface layer and the active layer. In this study, AuNPs with particle size of about 30 nm was prepared by Frens reduction method, and then the dopamine (DA) self-polymerized on the surface of them to obtain a core–shell structural material Au@PDA. By regulating the polymerization time of DA, different PDA shell thickness was obtained. The Au@PDA was introduced into ZnO ETL to generate local plasmon resonance adsorption. When dopamine polymerized for an hour, the short current density of the modified solar cells reached 13.98 mA/cm2, and the power conversion efficiency reached 6.03%, which was 130% of the device without Au@PDA.
This is a preview of subscription content, access via your institution.
Buy single article
Instant access to the full article PDF.
Tax calculation will be finalised during checkout.
Subscribe to journal
Immediate online access to all issues from 2019. Subscription will auto renew annually.
Tax calculation will be finalised during checkout.
S. Günes, H. Neugebauer, N.S. Sariciftci, Conjugated polymer-based organic solar cells. Chem. Rev. 107(4), 1324–1338 (2007)
S.R. Cowan, A. Roy, A.J. Heeger, Recombination in polymer-fullerene bulk heterojunction solar cells. Phys. Rev. B. 82(24), 245207 (2010)
L. Zhao et al., Two effects of 1,8-diiodooctane on PTB7-Th:PC71BM polymer solar cells. Org. Electron. 34, 188–192 (2016)
Y. Zang et al., Effect of active layer thickness on the performance of polymer solar cells based on a highly efficient donor material of PTB7-Th. J. Phys. Chem. C 122(29), 16532–16539 (2018)
P. Morvillo et al., Effect of the active layer thickness on the device performance of polymer solar cells having PCBM and PCBM as electron acceptor. Energy Procedia 31, 69–73 (2012)
Y.H. Jang et al., Plasmonic solar cells: from rational design to mechanism overview. Chem. Rev. 116(24), 14982–15034 (2016)
X. Ren et al., High efficiency organic solar cells achieved by the simultaneous plasmon-optical and plasmon-electrical effects from plasmonic asymmetric modes of gold nanostars. Small 12(37), 5200–5207 (2016)
M. Yao et al., Performance improvement of polymer solar cells by surface-energy-induced dual plasmon resonance. ACS Appl. Mater. Interfaces 8(9), 6183–6189 (2016)
W.C.H. Choy, R. Xingang, Plasmon-electrical effects on organic solar cells by incorporation of metal nanostructures. IEEE J. Sel. Top. Quantum Electron. 22(1), 1–9 (2016)
X. Chen et al., Plasmon enhancement of bulk heterojunction organic photovoltaic devices by electrode modification. Appl. Phys. Lett. 93(12), 344 (2008)
T.D. Heidel et al., Surface plasmon polariton mediated energy transfer in organic photovoltaic devices. Appl. Phys. Lett. 91(9), 093506 (2007)
S. Farooq, D. Rativa, R.E. de Araujo, Optimizing the sensing performance of SiO2-Au nanoshells. Plasmonics 14(6), 1519–1526 (2019)
A. Urrutia et al., Optical fiber sensors based on gold nanorods embedded in polymeric thin films. Sens. Actuators B 255, 2105–2112 (2018)
H. Heidarzadeh et al., Plasmon-enhanced performance of an ultrathin silicon solar cell using metal-semiconductor core-shell hemispherical nanoparticles and metallic back grating. Appl. Opt. 55(7), 1779–1785 (2016)
W. Ye et al., Green synthesis of Pt–Au dendrimer-like nanoparticles supported on polydopamine-functionalized graphene and their high performance toward 4- nitrophenol reduction. Appl. Catal. B 181, 371–378 (2016)
W. Ye et al., Ultrathin polydopamine film coated gold nanoparticles: a sensitive, uniform, and stable SHINERS substrate for detection of benzotriazole. Analyst 142(18), 3459–3467 (2017)
J.G. Wang et al., Mussel-inspired polydopamine functionalized plasmonic nanocomposites for single-particle catalysis. ACS Appl. Mater. Interfaces 9(3), 3016–3023 (2017)
J. Miao et al., Mussel-inspired polydopamine-functionalized graphene as a conductive adhesion promoter and protective layer for silver nanowire transparent electrodes. Langmuir 32(21), 5365–5372 (2016)
C.K.K. Choi et al., Polydopamine-based concentric nanoshells with programmable architectures and plasmonic properties. Nanoscale 9(43), 16968–16980 (2017)
The work was supported by National Natural Science Foundation of China (11475017). The authors wish to thank the CPEM characterization of NenoVision s.r.o and Shanghai NTI Co. Ltd.
Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.
About this article
Cite this article
Xu, M., Yan, L., Zhu, Y. et al. Polydopamine-coated gold nanoparticles used as modifier of the electron transport layer for PTB7:PC71BM polymer solar cells. J Mater Sci: Mater Electron 31, 6698–6705 (2020). https://doi.org/10.1007/s10854-020-03226-9