Choosing the right nanoparticle size-designing novel ZnO electrode architectures for efficient dye-sensitized solar cells

Journal article
(Original article)


Publication Details

Author(s): Pfau M, Kunzmann A, Segets D, Peukert W, Wallace GG, Officer DL, Clark T, Costa RD, Guldi DM
Journal: Journal of Materials Chemistry A
Publisher: Royal Society of Chemistry
Publication year: 2017
Volume: 5
Journal issue: 16
Pages range: 7516-7522
ISSN: 2050-7488


Abstract

A novel concept for constructing optimized ZnO-based photoanodes as integrative components of dye-sensitized solar cells (DSSCs) is realized by deploying differently sized nanoparticles, ranging from 2 to 10 nm, together with commercially available 20 nm nanoparticles. The 2 nm nanoparticles were used to construct an efficient buffer layer for transparent electrodes based on 10 nm nanoparticles, resulting in a relative increase of device efficiency from 1.8 to 3.0% for devices without and with a buffer layer, respectively. A mixture of 10 and 20 nm nanoparticles was optimized to maximize the diffuse reflection and to minimize the charge transport resistance in a light-scattering layer. This optimization resulted in a homogenous layer of more than 15 mm that provided a device efficiency of 3.3%. The buffer layer, transparent electrode, and light-scattering electrode, were then combined to give an overall efficiency of around 5%. Thus, this work demonstrates that varying the electrode architecture with nanoparticles of different diameters is a powerful strategy for improving the overall efficiency of ZnO-based DSSCs.


FAU Authors / FAU Editors

Clark, Timothy apl. Prof. Dr.
Computer-Chemie-Centrum
Guldi, Dirk Michael Prof. Dr.
Lehrstuhl für Physikalische Chemie I
Kunzmann, Andreas
Lehrstuhl für Physikalische Chemie I
Peukert, Wolfgang Prof. Dr.-Ing.
Lehrstuhl für Feststoff- und Grenzflächenverfahrenstechnik
Pfau, Markus
Sonderforschungsbereich 953/2 Synthetische Kohlenstoffallotrope
Segets, Doris Dr.-Ing.
Lehrstuhl für Feststoff- und Grenzflächenverfahrenstechnik


Additional Organisation
Interdisziplinäres Zentrum für Molekulare Materialien
Exzellenz-Cluster Engineering of Advanced Materials


External institutions with authors

University of Wollongong (UOW)


Research Fields

B Nanoelectronic Materials
Exzellenz-Cluster Engineering of Advanced Materials
A1 Functional Particle Systems
Exzellenz-Cluster Engineering of Advanced Materials
A3 Multiscale Modeling and Simulation
Exzellenz-Cluster Engineering of Advanced Materials


How to cite

APA:
Pfau, M., Kunzmann, A., Segets, D., Peukert, W., Wallace, G.G., Officer, D.L.,... Guldi, D.M. (2017). Choosing the right nanoparticle size-designing novel ZnO electrode architectures for efficient dye-sensitized solar cells. Journal of Materials Chemistry A, 5(16), 7516-7522. https://dx.doi.org/10.1039/c6ta11012f

MLA:
Pfau, Markus, et al. "Choosing the right nanoparticle size-designing novel ZnO electrode architectures for efficient dye-sensitized solar cells." Journal of Materials Chemistry A 5.16 (2017): 7516-7522.

BibTeX: 

Last updated on 2019-15-03 at 09:48