Graphene oxide-based carbon interconnecting layer for polymer tandem solar cells

Yonghua Chen; Wei Chun Lin; Jun Liu; Liming Dai

doi:10.1021/nl4046284

Graphene oxide-based carbon interconnecting layer for polymer tandem solar cells

Yonghua Chen, Wei Chun Lin, Jun Liu, Liming Dai

Research output: Contribution to journal › Article › peer-review

64 Scopus citations

Abstract

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 _ocs under standard AM 1.5 conditions.

Original language	English
Pages (from-to)	1467-1471
Number of pages	5
Journal	Nano Letters
Volume	14
Issue number	3
DOIs	https://doi.org/10.1021/nl4046284
State	Published - 12 Mar 2014
Externally published	Yes

Keywords

Graphene oxide
interconnecting layer
polymer tandem solar cells
solution processability

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10.1021/nl4046284

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title = "Graphene oxide-based carbon interconnecting layer for polymer tandem solar cells",

abstract = "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 (Voc) 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 Voc, reaching almost 100% of the sum of the subcell V ocs under standard AM 1.5 conditions.",

keywords = "Graphene oxide, interconnecting layer, polymer tandem solar cells, solution processability",

author = "Yonghua Chen and Lin, {Wei Chun} and Jun Liu and Liming Dai",

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doi = "10.1021/nl4046284",

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T1 - Graphene oxide-based carbon interconnecting layer for polymer tandem solar cells

AU - Chen, Yonghua

AU - Lin, Wei Chun

AU - Liu, Jun

AU - Dai, Liming

PY - 2014/3/12

Y1 - 2014/3/12

N2 - 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 (Voc) 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 Voc, reaching almost 100% of the sum of the subcell V ocs under standard AM 1.5 conditions.

AB - 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 (Voc) 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 Voc, reaching almost 100% of the sum of the subcell V ocs under standard AM 1.5 conditions.

KW - Graphene oxide

KW - interconnecting layer

KW - polymer tandem solar cells

KW - solution processability

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JO - Nano Letters

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Graphene oxide-based carbon interconnecting layer for polymer tandem solar cells

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Keywords

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