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Hybrid optofluidics and three-dimensional manipulation based on hybrid photothermal waveguides
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- Zheng, Jiapeng (författare)
- South China Normal Univ, Coll Biophoton, Key Lab Laser Life Sci, MOE, Guangzhou 510631, Guangdong, Peoples R China.;South China Normal Univ, Coll Biophoton, Inst Laser Life Sci, Guangzhou 510631, Guangdong, Peoples R China.;South China Normal Univ, Ctr Opt & Electromagnet Res, Guangdong Prov Key Lab Opt Informat Mat & Technol, South China Acad Adv Optoelect, Guangzhou 510006, Guangdong, Peoples R China.
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- Xing, Xiaobo (författare)
- South China Normal Univ, Coll Biophoton, Key Lab Laser Life Sci, MOE, Guangzhou 510631, Guangdong, Peoples R China.;South China Normal Univ, Coll Biophoton, Inst Laser Life Sci, Guangzhou 510631, Guangdong, Peoples R China.;South China Normal Univ, Ctr Opt & Electromagnet Res, Guangdong Prov Key Lab Opt Informat Mat & Technol, South China Acad Adv Optoelect, Guangzhou 510006, Guangdong, Peoples R China.
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- Yang, Jianxin (författare)
- South China Normal Univ, Ctr Opt & Electromagnet Res, Guangdong Prov Key Lab Opt Informat Mat & Technol, South China Acad Adv Optoelect, Guangzhou 510006, Guangdong, Peoples R China.
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- South China Normal Univ, Coll Biophoton, Key Lab Laser Life Sci, MOE, Guangzhou 510631, Guangdong, Peoples R China;South China Normal Univ, Coll Biophoton, Inst Laser Life Sci, Guangzhou 510631, Guangdong, Peoples R China.;South China Normal Univ, Ctr Opt & Electromagnet Res, Guangdong Prov Key Lab Opt Informat Mat & Technol, South China Acad Adv Optoelect, Guangzhou 510006, Guangdong, Peoples R China. South China Normal Univ, Ctr Opt & Electromagnet Res, Guangdong Prov Key Lab Opt Informat Mat & Technol, South China Acad Adv Optoelect, Guangzhou 510006, Guangdong, Peoples R China. (creator_code:org_t)
- 2018-04-20
- 2018
- Engelska.
- Ingår i: NPG Asia Materials. - : Nature Publishing Group. - 1884-4049 .- 1884-4057. ; 10
- Tidskriftsartikel (refereegranskat)
Abstract
Ämnesord
Stäng
- Despite enormous breakthroughs in lab-on-a-chip techniques, light-driven manipulation faces two long-standing challenges: the ability to achieve both multiform manipulation and tunable manipulation range and the means to avoid potential thermal damage to the targets. By harnessing the optical heating of hybrid photothermal waveguides (HPW), we develop a hybrid optofluidic technique involving buoyancy and thermocapillary convection to achieve fluid transport with controllable modes and tunable strength. Switching of the optofluidic mode from buoyancy to thermocapillary convection, namely, from vertical to horizontal vortices, is employed for three-dimensional manipulation. The strong confinement and torque in the vortices are capable of trapping and rotating/spinning particles at the vortex centers rather than the HPW. Buoyancy convection provides a trapping circle to achieve collective trapping and vertical rotation/spin, while thermocapillary convection offers a trapping lattice to achieve distributed trapping and horizontal rotation/spin. By integrating micro/nanoparticles with various properties and sizes, further investigations of the optofluidic arrangement, mixing, and synthesis will broaden the potential applications of the hybrid optofluidic technique in the fields of lab-on-a-chip, materials science, chemical synthesis and analysis, photonics, and nanoscience.
Ämnesord
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
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- Zheng, Jiapeng
- Xing, Xiaobo
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- Shi, Kezhang
- He, Sailing
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