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廖良生教授、王雪东教授及其合作者在Adv. Funct. Mater.上发表论文
发布时间:2024-07-22 点击:20

题目:

Crafting Near-Infrared Photonics via the Programmable Assembly of Organic Heterostructures at Multiscale Level

作者:

Xing-Yu Xia1, Qiang Lv1*, Chao-Fei Xu1, Yue Yu1, Lei Wang1, Xue-Dong Wang1*, and Liang-Sheng Liao1,2*

单位:

1Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou 215123, P. R. China.

2Macao Institute of Materials Science and Engineering, Macau University of Science and Technology, Macau, P. R. China.

摘要:

Organic single crystals with near-infrared (NIR) emission demonstrate their excellent optical communications from well photonic confinement and low optical waveguide loss, which are considered as competitive candidates toward advanced optoelectronics. However, the increasingly diverse and sophisticated application demands result in the complicated design of NIR devices, which is hardly realized solely by the intrinsic properties of individual crystals. Herein, a programmable assembly strategy is presented to fabricate organic heterostructures. Triphenylene (TP), pyrene (Py) and 7,7,8,8-tetracyanoquinodimethane (TCNQ) are primary selected to prepared organic cocrystals with narrow band gap and near-infrared emission. Importantly, the charge-transfer alloy with tunable emission from 700 nm to 850 nm and branched heterostructures with multichannel characteristics are prepared from these organic cocrystals by following the growth kinetics process at molecular level and lattice matching principle at structural level, respectively. Theses prepared heterostructures exhibit optical logic operation capabilities, which can serve as optical modulators. This work provides new insights into the manufacturing of organic NIR heterostructures applied in advanced optoelectronics.

影响因子:

18.5

分区情况:

一区

链接:

https://doi.org/10.1002/adfm.202312478

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