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231225s2017 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.7b00678
|2 doi
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|a pubmed24n0910.xml
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|a (NLM)28640627
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|a DE-627
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Li, Zhendong
|e verfasserin
|4 aut
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|a Chemical Modification of n-Type-Material Naphthalene Diimide on ITO for Efficient and Stable Inverted Polymer Solar Cells
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|c 2017
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 23.07.2018
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|a Date Revised 23.07.2018
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a To provide orthogonal solvent processable surface modification and improve the device stability of bulk-heterojunction polymer solar cells (PSCs), n-type semiconducting material naphthalene diimide (NDI) was chemically introduced onto the ITO surface as a cathode interlayer (CIL) using 3-bromopropyltrimethoxysilane (BrTMS) as a coupling agent. After modification, the work function of ITO can be decreased from 4.70 to 4.23 eV. The modified ITO cathode was applied in inverted PSCs based on PTB7-Th:PC71BM. With the CIL modification, a champion power conversion efficiency (PCE) of 5.87% was achieved, showing a dramatic improvement compared to that of devices (PCE = 3.58%) without CIL. More importantly, with these chemical bonded interlayers, the stability of inverted PSCs was greatly enhanced. The improved PCE and stability can be attributed to the increased open-circuit voltage and the formation of robust chemical bonds in NDI-TMS films, respectively. This study demonstrated that chemical modification of ITO with n-type semiconducting materials provides an avenue for not only solving the solvent orthogonal problem but also improving the device performance in terms of the PCE and the stability
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Liu, Yanfeng
|e verfasserin
|4 aut
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|a Zhang, Kaicheng
|e verfasserin
|4 aut
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|a Wang, Zhaowei
|e verfasserin
|4 aut
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|a Huang, Peng
|e verfasserin
|4 aut
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| 700 |
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|a Li, Dahua
|e verfasserin
|4 aut
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|a Zhou, Yi
|e verfasserin
|4 aut
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| 700 |
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|a Song, Bo
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1999
|g 33(2017), 35 vom: 05. Sept., Seite 8679-8685
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:33
|g year:2017
|g number:35
|g day:05
|g month:09
|g pages:8679-8685
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|u http://dx.doi.org/10.1021/acs.langmuir.7b00678
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