Enhanced Hole Extraction in Perovskite Solar Cells Through Carbon Nanotubes

被引：142

作者：

Habisreutinger, Severin N. ^{[1
]}

Leijtens, Tomas ^{[1
]}

Eperon, Giles E. ^{[1
]}

Stranks, Samuel D. ^{[1
]}

Nicholas, Robin J. ^{[1
]}

Snaith, Henry J. ^{[1
]}

机构：

[1] Univ Oxford, Dept Phys, Clarendon Lab, Oxford OX1 3PU, England

来源：

JOURNAL OF PHYSICAL CHEMISTRY LETTERS | 2014年 / 5卷 / 23期

基金：

英国工程与自然科学研究理事会;

关键词：

EFFICIENCY; TRANSPORT; MOBILITY; SEMICONDUCTORS; RECOMBINATION; HYSTERESIS; DEPENDENCE; ABSORBER; DOPANT; LAYERS;

D O I：

10.1021/jz5021795

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Here, we report the use of polymer-wrapped carbon nanotubes as a means to enhance charge extraction through undoped spiro-OMeTAD. With this approach a good solar cell performance is achieved without the implementation of conventional doping methods. We demonstrate that a stratified two-layer architecture of sequentially deposited layers of carbon nanotubes and spiro-OMeTAD, outperforms a conventional blend of the hole-conductor and the carbon nanotubes. We also provide insights into the mechanism of the rapid hole extraction observed in the two-layer approach.

引用

页码：4207 / 4212

页数：6

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