Bottom-up growth of n-type monolayer molecular crystals on polymeric substrate for optoelectronic device applications

Yanjun Shi, Lang Jiang, Jie Liu, Zeyi Tu, Yuanyuan Hu, Qinghe Wu, Yuanping Yi, Eliot Gann, Christopher R. McNeill, Hongxiang Li, Wenping Hu, Daoben Zhu, Henning Sirringhaus

Research output: Contribution to journalArticleResearchpeer-review

13 Citations (Scopus)

Abstract

Self-assembly of monolayers of functional molecules on dielectric surfaces is a promising approach for the development of molecular devices proposed in the 1970s. Substrate chemically bonded self-assembled monolayers of semiconducting conjugated molecules exhibit low mobility. And self-assembled monolayer molecular crystals are difficult to scale up and limited to growth on substrates terminated by hydroxyl groups, which makes it difficult to realize sophisticated device functions, particularly for those relying on n-type electron transport, as electrons suffer severe charge trapping on hydroxyl terminated surfaces. Here we report a gravity-assisted, two-dimensional spatial confinement method for bottom-up growth of high-quality n-type single-crystalline monolayers over large, centimeter-sized areas. We demonstrate that by this method, n-type monolayer molecular crystals with high field-effect mobility of 1.24 cm2 V−1 s−1 and band-like transport characteristics can be grown on hydroxyl-free polymer surface. Furthermore, we used these monolayer molecular crystals to realize high-performance crystalline, gate-/light-tunable lateral organic p–n diodes.

Original languageEnglish
Article number2933
Number of pages8
JournalNature Communications
Volume9
Issue number1
DOIs
Publication statusPublished - 1 Dec 2018

Cite this

Shi, Yanjun ; Jiang, Lang ; Liu, Jie ; Tu, Zeyi ; Hu, Yuanyuan ; Wu, Qinghe ; Yi, Yuanping ; Gann, Eliot ; McNeill, Christopher R. ; Li, Hongxiang ; Hu, Wenping ; Zhu, Daoben ; Sirringhaus, Henning. / Bottom-up growth of n-type monolayer molecular crystals on polymeric substrate for optoelectronic device applications. In: Nature Communications. 2018 ; Vol. 9, No. 1.
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abstract = "Self-assembly of monolayers of functional molecules on dielectric surfaces is a promising approach for the development of molecular devices proposed in the 1970s. Substrate chemically bonded self-assembled monolayers of semiconducting conjugated molecules exhibit low mobility. And self-assembled monolayer molecular crystals are difficult to scale up and limited to growth on substrates terminated by hydroxyl groups, which makes it difficult to realize sophisticated device functions, particularly for those relying on n-type electron transport, as electrons suffer severe charge trapping on hydroxyl terminated surfaces. Here we report a gravity-assisted, two-dimensional spatial confinement method for bottom-up growth of high-quality n-type single-crystalline monolayers over large, centimeter-sized areas. We demonstrate that by this method, n-type monolayer molecular crystals with high field-effect mobility of 1.24 cm2 V−1 s−1 and band-like transport characteristics can be grown on hydroxyl-free polymer surface. Furthermore, we used these monolayer molecular crystals to realize high-performance crystalline, gate-/light-tunable lateral organic p–n diodes.",
author = "Yanjun Shi and Lang Jiang and Jie Liu and Zeyi Tu and Yuanyuan Hu and Qinghe Wu and Yuanping Yi and Eliot Gann and McNeill, {Christopher R.} and Hongxiang Li and Wenping Hu and Daoben Zhu and Henning Sirringhaus",
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Shi, Y, Jiang, L, Liu, J, Tu, Z, Hu, Y, Wu, Q, Yi, Y, Gann, E, McNeill, CR, Li, H, Hu, W, Zhu, D & Sirringhaus, H 2018, 'Bottom-up growth of n-type monolayer molecular crystals on polymeric substrate for optoelectronic device applications', Nature Communications, vol. 9, no. 1, 2933. https://doi.org/10.1038/s41467-018-05390-3

Bottom-up growth of n-type monolayer molecular crystals on polymeric substrate for optoelectronic device applications. / Shi, Yanjun; Jiang, Lang; Liu, Jie; Tu, Zeyi; Hu, Yuanyuan; Wu, Qinghe; Yi, Yuanping; Gann, Eliot; McNeill, Christopher R.; Li, Hongxiang; Hu, Wenping; Zhu, Daoben; Sirringhaus, Henning.

In: Nature Communications, Vol. 9, No. 1, 2933, 01.12.2018.

Research output: Contribution to journalArticleResearchpeer-review

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AU - Jiang, Lang

AU - Liu, Jie

AU - Tu, Zeyi

AU - Hu, Yuanyuan

AU - Wu, Qinghe

AU - Yi, Yuanping

AU - Gann, Eliot

AU - McNeill, Christopher R.

AU - Li, Hongxiang

AU - Hu, Wenping

AU - Zhu, Daoben

AU - Sirringhaus, Henning

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