Graphene Oxide-Based Carbon Interconnecting Layer for Polymer Tandem Solar Cells

被引：54

作者：

Chen, Yonghua ^{[1
]}

Lin, Wei-Chun ^{[1
]}

Liu, Jun ^{[2
]}

Dai, Liming ^{[1
]}

机构：

[1] Case Western Reserve Univ, Dept Macromol Sci & Engn, Case Sch Engn, Ctr Adv Sci & Engn Carbon Case4Carbon, Cleveland, OH 44106 USA

[2] Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China

来源：

NANO LETTERS | 2014年 / 14卷 / 03期

关键词：

Graphene oxide; interconnecting layer; polymer tandem solar cells; solution processability; HIGH-PERFORMANCE; INTERFACIAL LAYER; EFFICIENT TANDEM; CHARGE RECOMBINATION; PHOTOVOLTAIC CELLS; DONOR; NETWORK; VOLTAGE; HOLE;

D O I：

10.1021/nl4046284

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Tandem polymer solar cells (PSCs), consisting of more than one (normally two) subcells connected by a charge recombination layer (i.e., interconnecting layer), hold great promise for enhancing the performance of PSCs. For an ideal tandem solar cell, the open circuit voltage (V-oc) equals to the sum of those of the subcells while keeping the short circuit current the same as the lower one, leading to an increased overall power conversion efficiency. The interconnecting layer plays an important role in regulating the tandem device performance. Here, we report that graphene oxide (GO)/GO-Cs (cesium neutralized GO) bilayer modified with ultrathin Al and MoO3 can act as an efficient interconnecting layer in tandem PSCs to achieve a significantly increased V-oc, reaching almost 100% of the sum of the subcell V(oc)s under standard AM 1.5 conditions.

引用

页码：1467 / 1471

页数：5

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