Synthesis and characterization of new benzo[e]indol salts for second-order nonlinear optics

Jiahui Wen; Linjun Ping; Ruian Li; Shufang Shang; Weidong Zhao; Mingtan Hai; Hui Cao; Xiaotao Yuan; Dong Wang; Wanli He; Zhou Yang

doi:10.3390/cryst10040242

Synthesis and characterization of new benzo[e]indol salts for second-order nonlinear optics

Jiahui Wen, Linjun Ping, Ruian Li, Shufang Shang, Weidong Zhao, Mingtan Hai, Hui Cao^*, Xiaotao Yuan, Dong Wang, Wanli He, Zhou Yang

^*Corresponding author for this work

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

8 Citations (Scopus)

Abstract

Organic second-order nonlinear optical materials are of great significance in the field of integrated photonics, optical data storage and optical information processing. In this work, two iodide salts with benzo[e]indol cations as electron-withdrawing groups were designed and synthesized, which are (E)-2-(4-hydroxy-3-methoxystyryl)-1,1,3-trimethyl-1H-benzo[e]indol-3-ium iodide (1-TB) and (E)-2-(3,4-dihydroxystyryl)-1,1,3-trimethyl-1H-benzo[e]indol-3-ium iodide (2-TB). Under the irradiation of 1064 nm laser, the second harmonic generations of the 1-TB and 2-TB powders are 760 and 580 times that of urea, respectively. Among them, crystals of 1-TB are successfully grown by a slow cooling method without using seed crystals. Bulk crystal with a size of 8.0 × 3.0 × 1.0 mm³ and many submillimeter single crystals with excellent optical quality are obtained.

Original language	English
Article number	242
Journal	Crystals
Volume	10
Issue number	4
DOIs	https://doi.org/10.3390/cryst10040242
Publication status	Published - Apr 2020
Externally published	Yes

Keywords

Nonlinear optical materials
Organic single crystal

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10.3390/cryst10040242

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title = "Synthesis and characterization of new benzo[e]indol salts for second-order nonlinear optics",

abstract = "Organic second-order nonlinear optical materials are of great significance in the field of integrated photonics, optical data storage and optical information processing. In this work, two iodide salts with benzo[e]indol cations as electron-withdrawing groups were designed and synthesized, which are (E)-2-(4-hydroxy-3-methoxystyryl)-1,1,3-trimethyl-1H-benzo[e]indol-3-ium iodide (1-TB) and (E)-2-(3,4-dihydroxystyryl)-1,1,3-trimethyl-1H-benzo[e]indol-3-ium iodide (2-TB). Under the irradiation of 1064 nm laser, the second harmonic generations of the 1-TB and 2-TB powders are 760 and 580 times that of urea, respectively. Among them, crystals of 1-TB are successfully grown by a slow cooling method without using seed crystals. Bulk crystal with a size of 8.0 × 3.0 × 1.0 mm3 and many submillimeter single crystals with excellent optical quality are obtained.",

keywords = "Nonlinear optical materials, Organic single crystal",

author = "Jiahui Wen and Linjun Ping and Ruian Li and Shufang Shang and Weidong Zhao and Mingtan Hai and Hui Cao and Xiaotao Yuan and Dong Wang and Wanli He and Zhou Yang",

note = "Publisher Copyright: {\textcopyright} 2020 by the authors. Licensee MDPI, Basel, Switzerland.",

year = "2020",

month = apr,

doi = "10.3390/cryst10040242",

language = "English",

volume = "10",

journal = "Crystals",

issn = "2073-4352",

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TY - JOUR

T1 - Synthesis and characterization of new benzo[e]indol salts for second-order nonlinear optics

AU - Wen, Jiahui

AU - Ping, Linjun

AU - Li, Ruian

AU - Shang, Shufang

AU - Zhao, Weidong

AU - Hai, Mingtan

AU - Cao, Hui

AU - Yuan, Xiaotao

AU - Wang, Dong

AU - He, Wanli

AU - Yang, Zhou

PY - 2020/4

Y1 - 2020/4

N2 - Organic second-order nonlinear optical materials are of great significance in the field of integrated photonics, optical data storage and optical information processing. In this work, two iodide salts with benzo[e]indol cations as electron-withdrawing groups were designed and synthesized, which are (E)-2-(4-hydroxy-3-methoxystyryl)-1,1,3-trimethyl-1H-benzo[e]indol-3-ium iodide (1-TB) and (E)-2-(3,4-dihydroxystyryl)-1,1,3-trimethyl-1H-benzo[e]indol-3-ium iodide (2-TB). Under the irradiation of 1064 nm laser, the second harmonic generations of the 1-TB and 2-TB powders are 760 and 580 times that of urea, respectively. Among them, crystals of 1-TB are successfully grown by a slow cooling method without using seed crystals. Bulk crystal with a size of 8.0 × 3.0 × 1.0 mm3 and many submillimeter single crystals with excellent optical quality are obtained.

AB - Organic second-order nonlinear optical materials are of great significance in the field of integrated photonics, optical data storage and optical information processing. In this work, two iodide salts with benzo[e]indol cations as electron-withdrawing groups were designed and synthesized, which are (E)-2-(4-hydroxy-3-methoxystyryl)-1,1,3-trimethyl-1H-benzo[e]indol-3-ium iodide (1-TB) and (E)-2-(3,4-dihydroxystyryl)-1,1,3-trimethyl-1H-benzo[e]indol-3-ium iodide (2-TB). Under the irradiation of 1064 nm laser, the second harmonic generations of the 1-TB and 2-TB powders are 760 and 580 times that of urea, respectively. Among them, crystals of 1-TB are successfully grown by a slow cooling method without using seed crystals. Bulk crystal with a size of 8.0 × 3.0 × 1.0 mm3 and many submillimeter single crystals with excellent optical quality are obtained.

KW - Nonlinear optical materials

KW - Organic single crystal

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U2 - 10.3390/cryst10040242

DO - 10.3390/cryst10040242

M3 - Article

AN - SCOPUS:85082974713

SN - 2073-4352

VL - 10

JO - Crystals

JF - Crystals

IS - 4

M1 - 242

ER -

Synthesis and characterization of new benzo[e]indol salts for second-order nonlinear optics

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Keywords

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