Human eye-inspired soft optoelectronic device using high-density MoS2-graphene curved image sensor array

被引:442
作者
Choi, Changsoon [1 ,2 ]
Choi, Moon Kee [1 ,2 ]
Liu, Siyi [3 ]
Kim, Min Sung [1 ,2 ]
Park, Ok Kyu [1 ]
Im, Changkyun [4 ]
Kim, Jaemin [1 ,2 ]
Qin, Xiaoliang [5 ]
Lee, Gil Ju [6 ]
Cho, Kyoung Won [1 ,2 ]
Kim, Myungbin [1 ,2 ]
Joh, Eehyung [1 ,2 ]
Lee, Jongha [1 ,2 ]
Son, Donghee [1 ,2 ]
Kwon, Seung-Hae [7 ]
Jeon, Noo Li
Song, Young Min [6 ]
Lu, Nanshu [3 ,8 ]
Kim, Dae-Hyeong [1 ,2 ]
机构
[1] Inst for Basic Sci Korea, Ctr Nanoparticle Res, Seoul 08826, South Korea
[2] Seoul Natl Univ, Inst Chem Proc, Sch Chem & Biol Engn, Seoul 08826, South Korea
[3] Univ Texas Austin, Dept Aerosp Engn & Engn Mech, Ctr Mech Solids Struct & Mat, 210 E 24th St, Austin, TX 78712 USA
[4] Seoul Natl Univ, Sch Mech & Aerosp Engn, Seoul 08826, South Korea
[5] Onfea Comp LLC, 204 Jackson St, Newton, MA 02459 USA
[6] Gwangju Inst Sci & Technol, Sch Elect Engn & Comp Sci, Gwangju 61005, Slovenia
[7] Korea Basic Sci Inst, Div Bio Imaging, Chunchon 24341, South Korea
[8] Univ Texas Austin, Texas Mat Inst, Dept Biomed Engn, Dept Elect & Comp Engn, Austin, TX 78712 USA
关键词
MOS2; PHOTOTRANSISTORS; RETINAL PROSTHESIS; ELECTRONICS; SKIN; PHOTODETECTORS; TRANSPARENT; TRANSISTORS; MONOLAYER; THERAPY; TRIAL;
D O I
10.1038/s41467-017-01824-6
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Soft bioelectronic devices provide new opportunities for next-generation implantable devices owing to their soft mechanical nature that leads to minimal tissue damages and immune responses. However, a soft form of the implantable optoelectronic device for optical sensing and retinal stimulation has not been developed yet because of the bulkiness and rigidity of conventional imaging modules and their composing materials. Here, we describe a high-density and hemispherically curved image sensor array that leverages the atomically thin MoS2-graphene heterostructure and strain-releasing device designs. The hemispherically curved image sensor array exhibits infrared blindness and successfully acquires pixelated optical signals. We corroborate the validity of the proposed soft materials and ultrathin device designs through theoretical modeling and finite element analysis. Then, we propose the ultrathin hemispherically curved image sensor array as a promising imaging element in the soft retinal implant. The CurvIS array is applied as a human eye-inspired soft implantable optoelectronic device that can detect optical signals and apply programmed electrical stimulation to optic nerves with minimum mechanical side effects to the retina.
引用
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页数:11
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