Functional Single-Walled Carbon Nanotubes and Nanoengineered Networks for Organic-and Perovskite-Solar-Cell Applications

被引:20
作者
Barbero, David R. [1 ]
Stranks, Samuel D. [2 ,3 ]
机构
[1] Umea Univ, Nanoengn Mat & Organ Elect Lab, S-90187 Umea, Sweden
[2] MIT, Elect Res Lab, Cambridge, MA 02139 USA
[3] Cavendish Lab, JJ Thomson Ave, Cambridge CB3 0HE, England
关键词
INTERFACIAL CHARGE-TRANSFER; LIGHT-EMITTING-DIODES; SELECTIVE DISPERSION; THIN-FILM; PHOTOVOLTAIC HETEROJUNCTION; PERCOLATION-THRESHOLD; ELECTRICAL-PROPERTIES; ELECTRONIC TRANSPORT; HALIDE PEROVSKITES; HOLE EXTRACTION;
D O I
10.1002/adma.201600659
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Carbon nanotubes have a variety of remarkable electronic and mechanical properties that, in principle, lend them to promising optoelectronic applications. However, the field has been plagued by heterogeneity in the distributions of synthesized tubes and uncontrolled bundling, both of which have prevented nanotubes from reaching their full potential. Here, a variety of recently demonstrated solution-processing avenues is presented, which may combat these challenges through manipulation of nanoscale structures. Recent advances in polymer-wrapping of single-walled carbon nanotubes (SWNTs) are shown, along with how the resulting nanostructures can selectively disperse tubes while also exploiting the favorable properties of the polymer, such as light-harvesting ability. New methods to controllably form nanoengineered SWNT networks with controlled nanotube placement are discussed. These nanoengineered networks decrease bundling, lower the percolation threshold, and enable a strong enhancement in charge conductivity compared to random networks, making them potentially attractive for optoelectronic applications. Finally, SWNT applications, to date, in organic and perovskite photovoltaics are reviewed, and insights as to how the aforementioned recent advancements can lead to improved device performance provided.
引用
收藏
页码:9668 / 9685
页数:18
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