Journal publication   
(as of Sep 2019)

[43] K.-T. Lee, S. Y. Han, Z. Li, H. W. Baac*, and H. J. Park*,      

Flexible High-Color-Purity Structural Color Filters Based on a Higher-Order Optical Resonance Suppression, 

Sci. Rep. 9, 14917 (2019). 

https://doi.org/10.1038/s41598-019-51165-1

[42] M. G. Joo, K.-T. Lee, P. Sang, J. Heo, H. J. Park, and H. W. Baac,     

Laser-generated focused ultrasound transmitters with frequency-tuned output
over sub-10-MHz range, 

Appl. Phys. Lett. 115(15), 154103 (2019). 

https://doi.org/10.1063/1.5106415  

[41] W. Lim, S. Lee, S. Park, and H. W. Baac,     

Differential detachment of intact and viable cells of different sizes using laser-induced microbubbles, 

Biomed. Opt. Express 10(10), 4919 (2019). 

https://doi.org/10.1364/BOE.10.004919 

[40] J. Heo, K.-T. Lee, R. K. Kim, and H. W. Baac,     

Side-Polished Fiber-Optic Line Sensor for High-Frequency Broadband Ultrasound Detection, 

Sensors 19(2), 398 (2019). 
https://doi.org/10.3390/s19020398

[39] T. Lee*, H. W. Baac*, Q. Li, and L. J. Guo,    

Efficient Photoacoustic Conversion in Optical Nanomaterials and Composites, 

Adv. Opt. Mater. 6(24), 1800491 (2018). 
https://doi.org/10.1002/adom.201800491   
   

[38] K.-T. Lee*, H. W. Baac*, D. H. Park, J. G. Ok, and H. J. Park,

Enhanced Optical Properties of Colored Semitransparent Ultrathin Hybrid
Solar Cells Employing Fabry-Perot Etalon with a Dielectric Overlay, 

IEEE Photonics J. 10(6), 8400510 (2018).  
https://doi.org/10.1109/JPHOT.2018.2876397    
   

[37] P. G. Sang, J. Heo, H. J. Park, and H. W. Baac,     

Photoacoustic Energy Sensor for Nanosecond Optical Pulse Measurement, 

Sensors 18(11), 3879 (2018). 
https://doi.org/10.3390/s18113879

[36] K.-T. Lee, D. H. Park, H. W. Baac, and S. Han,    

Graphene- and Carbon-Nanotube-Based Transparent Electrodes for
Semitransparent Solar Cells, 

Materials 11(9), 1503 (2018). 
https://doi.org/10.3390/ma11091503      

[35] S. J. Park, J. G. Ok, H. J. Park, K.-T. Lee, J. H. Lee, J. D. Kim, E. Cho,
H. W. Baac, S. Kang, L. J. Guo, and A. J. Hart,    

Modulation of the effective density and refractive index of carbon nanotube forests via nanoimprint lithography, 

Carbon 129, 8 (2018). 
https://doi.org/10.1016/j.carbon.2017.11.079 

[34] T. Lee, H. W. Baac, J. G. Ok, and L. J. Guo,    

Polymer-Nanomaterial Composites for Optoacoustic Conversion, 

Functional Organic and Hybrid Nanostructured Materials Bookchapter (Wiley-VCH), 519-546 (2018).      

[33] Y.-C. Chen*, H. W. Baac*, K.-T. Lee, S. Fouladdel, K. Teichert, J. G. Ok, Y.-H. Cheng, P. Ingram, A. J. Hart, E. Azizi, L. J. Guo, M. Wicha, and E. Yoon,  

Selective photo-mechanical detachment and retrieval of divided sister cells from enclosed microfluidics for downstream analyses

ACS Nano 11(5), 4660 (2017). 
https://doi.org/10.1021/acsnano.7b00413
   

[32] X. Wang, W. Cho, H. W. Baac, D. Seo, and I. H. Cho,  

Optimization of double gate vertical channel tunneling field effect transistor (DVTFET) with sidewall dielectric layer, 

J. Semicond. Tech. Sci. 17(2), 192 (2017).  

[31] A. Akter, G. Yoo, S. Kim, H. W. Baac*, and J. Heo*, 

AlxGa1-xN cladding effect on intraband absorption of InGaN disk embedded in GaN nanowire, 

J. Nanosci. Nanotech. 17(5), 3279 (2017). 
https://doi.org/10.1166/jnn.2017.14060

[30] Y. Park, S. Lee, H. J. Park, H. W. Baac, G. Yoo, and J. Heo, 

Hybrid metal-halide perovskite-MoS2 phototransistor, 

J. Nanosci. Nanotech. 16, 11722 (2016). 
https://doi.org/10.1166/jnn.2016.13581
 

[29] G. Yoo, Y. Park, P. Sang, H. W. Baac*, and J. Heo*, 

High-frequency optoacoustic transmitter based on nanostructured germanium via metal-assisted chemical etching, 

Opt. Mater. Express 6, 2567 (2016). 
https://doi.org/10.1364/OME.6.002567
   

[28] Y. Park, H. W. Baac, G. Yu, and J. Heo, 

Thermally activated trap charges responsible for hysteresis in multilayer MoS2 field-effect transistors, 

Appl. Phys. Lett. 108, 083102 (2016). 
https://doi.org/10.1063/1.4942406

[27] T. Lee, J. G. Ok, L. J. Guo, and H. W. Baac, 

Low f-number photoacoustic lens for tight ultrasonic focusing and free-field micro-cavitation in water, 

Appl. Phys. Lett. 108, 104102 (2016). 
https://doi.org/10.1063/1.4943369

[26] S. Koo, S. H. Lee, J. D. Kim, J. G. Hong, H. W. Baac, M. K. Kwak, and J. G. Ok,  

Controlled airbrush coating of polymer resists in roll-to-roll nanoimprinting with regimented residual layer thickness, 

Int. J. Precis. Eng. Man. 17, 943 (2016).
https://doi.org/10.1007/s12541-016-0115-8

[25] H. W. Baac, J. G. Ok, T. Lee, and L. J. Guo,

Nano-structural characteristics of carbon nanotube-polymer composite films for high-amplitude optoacoustic generation, 

Nanoscale 7, 14460 (2015). 
https://doi.org/10.1039/C5NR03769G

[24] T. Lee, H. W. Baac, J. G. Ok, H. S. Youn, and L. J. Guo,

Nozzle-free liquid micro-jetting via homogeneous bubble nucleation,

Phys. Rev. Appl. 3, 044007 (2015).
https://doi.org/10.1103/PhysRevApplied.3.044007

[23] G. Yu, H. Yoon, J. Heo, U. Thakur, H. J. Park, H. W. Baac*, and J. S. Heo*,

All-Optical Ultrasound Transducer using CNT-PDMS and etalon Thin-Film Structure, 

IEEE Photonics J. 7(6), 6803708 (2015). 
https://doi.org/10.1109/JPHOT.2015.2496862

  

[22] K. Beaudette, H. W. Baac, W.-J. Madore, M. Villiger, N. Godbout, B. E. Bouma, and C. Boudoux,

Double-clad fiber coupler for image-guided laser tissue coagulation,

Biomed. Opt. Express 6(4), 1293 (2015). 
https://doi.org/10.1364/BOE.6.001293

[21] U. Thakur, B.-G. Kim, S. J. Park, H. W. Baac*, D. Lee*, and H. J. Park*,

Soft-contact printing of nanoparticle-based nanoink for functional nanopatterns, 

J. Nanomater. 723256, 1-6 (2015).
http://dx.doi.org/10.1155/2015/723256 

[20] T. Lee, H. W. Baac, J. G. Ok, H. S. Youn, and L. J. Guo,

Controlled generation of single-microbubble at solid surfaces by a nanosecond pressure pulse,

Phys. Rev. Appl. 2, 024007 (2014).
https://doi.org/10.1103/PhysRevApplied.2.024007

[19] H. W. Baac, N. Uribe-Patarroyo, and B. E. Bouma, 

High-energy pulsed Raman fiber laser for biological tissue coagulation,

Opt. Express 22(6), 7113 (2014). 
https://doi.org/10.1364/OE.22.007113 

 

[18] J. G. Ok, J. Y. Lee, H. W. Baac, H. S. Youn, S. H. Tawfick, L. J. Guo, and A. J. Hart,

Rapid anisotropic photoconductive response of ZnO-coated aligned CNT sheets,

ACS Appl. Mater. Interfaces 6(2), 874 (2014).
https://doi.org/10.1021/am404131r 

[17] H. W. Baac, T. Lee, J. G. Ok, T. Hall, and L. J. Guo,

Dual-frequency focused ultrasound using optoacoustic and piezoelectric transmitters for single-pulsed free-field cavitation in water,

Appl. Phys. Lett. 103, 234103 (2013).
https://doi.org/10.1063/1.4836315

[16] H. W. Baac, T. Lee, and L. J. Guo,

Micro-ultrasonic cleaving of cell clusters by laser-generated focused ultrasound and its mechanisms,

Biomed. Opt. Express 4(8), 1442 (2013). 
https://doi.org/10.1364/BOE.4.001442
 

 

[15] H. W. Baac, J. Frampton, J. G. Ok, S. Takayama, and L. J. Guo,

Localized micro-scale disruption of cells using laser-generated focused ultrasound,

J. Biophoton. 6, 905 (2013). 
https://doi.org/10.1002/jbio.201200247

[14] H. W. Baac, J. G. Ok, A. Maxwell, K.-T. Lee, Y.-C. Chen, A. J. Hart, Z. Xu, E. Yoon, and L. J. Guo,

Carbon-nanotube optoacoustic lens for focused ultrasound generation and high-precision targeted therapy,

Sci. Rep. 2, 989 (2012).
https://doi.org/10.1038/srep00989 

[13] H. Shi, J. G. Ok, H. W. Baac, and L. J. Guo,

Low density carbon nanotube forest as an index-matched and near perfect absorption coating,

Appl. Phys. Lett. 99, 211103 (2011). 
https://doi.org/10.1063/1.3663873
 

[12] H. W. Baac, J. G. Ok, H. J. Park, T. Ling, S.-L. Chen, A. J. Hart, and L. J. Guo,

Carbon nanotube composite optoacoustic transmitters for strong and high frequency ultrasound generation,

Appl. Phys. Lett. 97, 234104 (2010). 
https://doi.org/10.1063/1.3522833
 

[11] S.-L. Chen, T. Ling, S.-W. Huang, H. W. Baac, and L. J. Guo,

Photoacoustic correlation spectroscopy and its application to low-speed flow measurement,

Opt. Lett. 35(8), 1200 (2010). 
https://doi.org/10.1364/OL.35.001200
 

[10] H. W. Baac, T. Ling, S. W. Huang, S. Ashkenazi, and L. J. Guo,

Characterization of optical microring ultrasound detector by using a high frequency focused photoacoustic transmitter,

Appl. Phys. Lett. 95, 144105 (2009). 
https://doi.org/10.1063/1.3243337
 

[9] S. A. Kim, K. M. Byun, J. Lee, J. H. Kim, D.-G. A. Kim, H. Baac, M. L. Shuler, and S. J. Kim,

Optical measurement of neural activity using surface plasmon resonance,

Opt. Lett. 33(9), 918 (2008).
https://doi.org/10.1364/OL.33.000914 

[8] H. Baac, J. Hajos, J. Lee, D. Kim, S. J. Kim, and M. Shuler,

Antibody-Based Surface Plasmon Resonance Detection of Intact Viral Pathogen,

Biotechnol. Bioeng. 94(4), 815 (2006).
https://doi.org/10.1002/bit.20882

[7] J. K. Lee, H. Baac, S.-H. Song, E. Jang, S.-D. Lee, D. Park, and S. J. Kim,

Neural prosthesis in the wake of nanotechnology: controlled growth of neurons using surface nano structures,

Acta Neurochirurgica 99, 141 (2006). [non-SCI] 
https://doi.org/10.1007/978-3-211-35205-2_27

[6] E. Jang, H. Baac, Y.-T. Kim, and S.-D. Lee,

Electrically and Optically Controllable Liquid Crystal Grating with a Patterned Surface-Command Layer,

Mol. Cryst. Liq. Cryst. 293, 453 (2006). 
https://doi.org/10.1080/15421400600653720

[5] H. Baac, J.-H. Lee, J.-M. Seo, T. H. Park, H. Chung, S.-D. Lee, and S. J. Kim,

Submicron-Scale Topographical Control of Cell Growth using Holographic Surface Relief Grating,

Mat. Sci. Eng. C 24, 209 (2004). 
https://doi.org/10.1016/j.msec.2003.09.009

 

[4] E.-T. Kim, S. J. Oh, H. Baac, and S. J. Kim,

Feasibility of Optoelectronic Neural Stimulation shown in Sciatic Nerve of Rats,

J. Biomed. Eng. Res. 25(6), 611 (2004). [domestic; non-SCI]

 

[3] H. Baac, J.-H. Park, J.-H Lee, S.-D. Lee, S. H. Kang, and D.-H. Choi,

Optical and Electro-Optical Control of Grating Efficiency in a Nematic Liquid Crystal Cell with Azo Polymer Boundary,

Mol. Cryst. Liq. Cryst. 371, 227 (2001).
https://doi.org/10.1080/10587250108024728

[2] T.-Y. Yoon, H. Baac, and S.-D. Lee,

Optical Properties of a Chiral Liquid Crystal in a Generalized Coupled Mode Formalism,

Mol. Cryst. Liq. Cryst. 371, 203 (2001). 
https://doi.org/10.1080/10587250108024722

[1] H. Baac, J.-H. Park, J.-H. Lee, S.-D. Lee, S.H. Kang, and D.-H. Choi,

One Beam Controllable Grating in a Liquid Crystal Cell with an Azo Polymer Surface,

Mol. Cryst. Liq. Cryst. 368(5), 403 (2001).
https://doi.org/10.1080/10587250108029971