Publications
Publications (After Joining the Univ. of Ulsan)
* Corresponding Author
2024
- Syam, R. H. R.; Ha, J. W.* Elucidating plasmon damping in silver-coated gold nanorods: single particle analysis and damping adjustment, To be submitted.
6) Firmanti, M. I.; Ha, J. W.* Revealing plasmon damping induced by interplay of chemical and metal interface damping in single gold nanorods coated with an ultrathin palladium shell, JACS Au, 2024, Under review.
5) Lee, J.; Ha, J. W.* In situ photo-reversible tuning of chemical interface damping in single gold nanorods through cucurbit[8]uril-based host-guest interactions, ACS Applied Materials & Interfaces, 2024, Under review.
4) Ramasamy, M.; Ha, J. W.* Single-particle spectroelectrochemistry: tuning chemical interface damping in single gold nanorods by electrochemical method, Small Methods 2024, Under review.
3) Kim, J. M.; Ha, J. W.* Tuning chemical interface damping in single gold nanorods through pH-dependent host-guest interactions using cucurbit[6]uril, Chemical Communications, 2024, In revision.
2) Firmanti, M. I.; Ha, J. W.* Elucidating refractive index sensitivity on subradiant, superradiant, and Fano resonance modes in single palladium-coated gold nanorods, Scientific Reports, 2024, In revision.
1) Ramasamy, M.; Ha, J. W.* Single-particle spectroelectrochemistry: promoting the electrocatalytic activity of gold nanorods via oxygen plasma treatment without structural deformation, Analytical Chemistry, 2024, 96, 737-745.
2023
9) Kim, G. W.; Ha, J. W.* Direct observation of in-focus plasmonic cargos via breaking angular degeneracy in differential interference contrast microscopy, JACS Au, 2023, 3, 3436-3445.
8) Alizar, Y. Y.; Ramasamy, M.; Kim, G. W.; Ha, J. W.* Tuning chemical interface damping: competition between plasmon decay pathways in amalgamated gold nanorods coated with mesoporous silica shell, JACS Au, 2023, 3, 3247-3258.
7) Heo, S. E.; Ha, J. W.* Chemical interface damping in single gold nanorods coated with silver via hot electron-mediated photoreduction, Bull. Korean Chem. Soc., 2023, 44, 916-920.
6) Ye, Z.; Hu, C.; Wang, J.; Liu, H.; Li, L.; Yuan, J.; Ha, J. W.; Li, Z.*; Xiao, L.* Burst of hopping trafficking correlated reversible dynamic interactions between lipid droplets and mitochondria under starvation, Exploration, 2023, 3, 20230002.
5) Firmanti, M. I.; Ha, J. W.* Elucidating surface plasmon damping and Fano resonance induced by epitaxial growth of palladium on single gold nanorods, Journal of Physical Chemistry Letters, 2023, 14, 8016-8023.
4) Hong, Y. A.; Ha, J. W.* In situ reversible tuning of chemical interface damping in mesoporous silica-coated gold nanorods via direct adsorption and removal of thiol, Analyst, 2023, 148, 3719-3723.
3) Lee, J.; Ha, J. W.* Effect of light irradiation on hot elelctron-mediated photoreduction of silver ions on single gold nanorods without a reducing agent, Journal of Physical Chemistry C, 2023, 127, 13609-13615. (Invited paper for special issue on hot electrons in catalysis)
2) Ramasamy, M.; Ha, J. W.* Single-particle spectroelectrochemistry: electrochemical approaches for tuning chemical interfaces and plasmon damping in single gold nanorods, Journal of Physical Chemistry Letters, 2023, 14, 5768-5775.
1) Ha, J. W.* Strategies for sensitivity improvement of localized surface plasmon resonance sensors: experimental and mathematical approaches in plasmonic gold nanostructures, Applied Spectroscopy Reviews, 2023, 58, 346-365.
2022
12) Kim, G. W.; Ha, J. W.* Influence of mercury amalgamation on three-dimensional orientation of single gold nanorods coated with mesoporous silica shell, Bull. Korean Chem. Soc., 2022, 43, 1040-1044.
11) Alizar, Y. Y.; Ramasamy, M.; Ha, J. W.* Tuning plasmonic properties by promoting the inward Hg diffusion via oxygen plasma treatment in gold nanorods coated with mesoporous silica shell, Analyst, 2022, 147, 3623-3627.
10) Heo, S. E.; Ha, J. W.* Improved refractive index sensitivity of localized surface plasmon resonance inflection points in amalgamated gold nanorods with mesoporous silica shell, Microchemical Journal, 2022, 181, 107781.
9) Ramasamy, M.; Ha, J. W.* Influence of oxygen plasma treatment on structural and spectral changes in gold nanorods immobilized on indium tin oxide surfaces, Journal of Chemical Physics, 2022, 157, 014702. (Invited paper for special issue on plasmon-driven energy conversion)
8) Heo, S. E.; Ha, J. W.* Single-particle study: refractive index sensitivity of localized surface plasmon resonance inflection points in mesoporous silica coated gold nanorods, Biochip Journal, 2022, 16, 183-190.
7) Heo, S. E.; Ha, J. W.* Single-particle correlation study: chemical interface damping in gold nanorods coated with mesoporous silica shell, Bull. Korean Chem. Soc., 2022, 43, 797-800.
6) Alizar, Y. Y.; Ha, J. W.* Single-particle spectroelectrochemistry: electrochemical tuning of plasmonic properties via mercury amalgamation in mesoporous silica coated gold nanorods without structural deformation, Analyst, 2022, 147, 2035-2039. (Analyst HOT Articles 2022)
5) Lee, J.; Ha, J. W.* Effect of amine linker with different carbon chain lengths of guanine-rich polynucleotides on chemical interface damping in single gold nanorods, Analytical Chemistry, 2022, 94, 7100-7106.
4) Hong, Y. A.; Ha, J. W.* Effect of inner cavity on the enhancement of the refractive index sensitivity at localized surface plasmon resonance inflection points in single hollow gold nanospheres, Scientific Reports, 2022, 12, 6983.
3) Kim, G. W.; Ha, J. W.* Single-particle study on Hg amalgamation mechanism and slow inward diffusion in mesoporous silica coated gold nanorods without structural deformation, Journal of Physical Chemistry Letters, 2022, 13, 2607-2613.
2) Lee, J.; Kim, G. W.; Ha, J. W.* Single-particle study: effects of mercury amalgamation on morphological and spectral changes in anisotropic gold nanorods, Analyst, 2022, 147, 1066-1070.
1) Goh, E.; Kim, G. W.; Ha, J. W.; Lee, Y. H.; Lee, M. H.; Lee, H. J.* Development of metal-enhanced fluorescent nanomaterials featuring gold nanocubes in proximity to carbon nanodots, Dyes and Pigment, 2022, 197, 109896-109901.
2021
6) Kim, G. W.; Han, I.*; Ha, J. W.* Mesoporous silica shell-coated single gold nanorods as multifunctional orientation probes in dynamic biological environments, RSC Advances, 2021, 11, 38632-38637.
5) Ryu, K. R.; Ha, J. W.* Chemical interface damping of silver-coated gold nanorods using supramolecular host-guest chemistry, Bull. Korean Chem. Soc., 2021, 42, 1082-1084. (Front Cover)
4) Ryu, K. R.#; Kim, G. W.#; Ha, J. W.* Localized surface plasmon resonance inflection points for improved detection of chemisorption of 1-alkanethiols under total internal reflection scattering microscopy, Scientific Reports, 2021, 11, 12902. (# Equal contribution)
3) Lee, J.; Ha, J. W.* Influence of oxygen plasma treatment on structural and spectral changes in silica-coated gold nanorods studied using total internal reflection microscopy and spectroscopy, Analyst, 2021, 146, 4125-4129.
2) Ryu, K. R.; Ha, J. W.* Enhanced detection sensitivity on chemisorption of pyridine and biotinylated proteins at localized surface plasmon resonance inflection points in single gold nanorods, Analyst, 2021, 146, 3543-3548.
1) Jeon, H. B.; Park. S.; Ryu, K. R.; Ghosh, S. Kr.; Jung, J.; Park, K. M.; Ha, J. W.* In situ reversible tuning of chemical interface damping in single gold nanorod-based recyclable platforms through manipulation of supramolecular host-guest interactions, Chemical Science, 2021, 12, 7115-7124.
2020
11) Kim, G. W.; Kang, S. H.; Ha, J. W.* Characterizing the non-paraxial Talbot effect in two-dimensional periodic arrays of gold nanodisks by differential interference contrast microscopy, Analyst, 2020, 145, 7541-7545.
10) Lee, J.; Kim, G. W.; Ha, J. W.* Single-particle spectroscopy and defocused imaging of anisotropic gold nanorods by total internal reflection scattering microscopy, Analyst, 2020, 145, 6038-6044.
9) Kim, G. W.; Yoon, S.; Lee, J. H.*; Ha, J. W.* High-throughput in-focus differential interference contrast imaging of three-dimensional orientations of single gold nanorods coated with mesoporous silica shell, RSC Advances, 2020, 10, 29868-29872.
8) Lee, J.; Ha, J. W.* Wavelength-dependent scattering properties of single gold nanorods under three-color Laser total internal reflection scattering microscopy, Bull. Korean Chem. Soc., 2020, 41, 672-674.
7) Ryu, K. R.; Nam, D. H.; Lee, S.; Ha, J. W.* Influence of the preferred orientation of pyridine derivatives with donor substituents on chemical interface damping in silver-coated gold nanorods with different shell thicknesses, Journal of Physical Chemistry C, 2020, 124, 14818-14825.
6) Seo, M. J.; Ryu, K. R.; Kim, G. W.; Ha, J. W.* Effect of chemisorbed thiophenols with electron donating group on surface-enhanced Raman scattering of gold nanorods, Physical Chemistry Chemical Physics, 2020, 22, 14832-14837.
5) Kim G. W.; Yoon, S.; Lee, J.; Lee, J. H.*; Ha, J. W.* High-throughput characterization and in-situ control of three-dimensional orientations of single gold nanorods coated with spherical mesoporous silica shell, Journal of Physical Chemistry C, 2020, 124, 14279-14286.
4) Kim, G. W.; Ha, J. W.* Single-particle study: effects of oxygen plasma treatment on structural and spectral changes in anisotropic gold nanorods, Physical Chemistry Chemical Physics, 2020, 22, 11767-11770.
3) Ryu, K. R.; Ha, J. W.* Influence of shell thickness on the refractive index sensitivity of localized surface plasmon resonance inflection points in silver-coated gold nanorods, RSC Advances, 2020, 10, 16827-16831.
2) Tsalu, P. V.; Moon, S. W.; Yav, Z. G.; Ha, J. W.* Probing the dispersivity of tunable refractive index in the visible range by sensitive localized surface plasmon resonance inflection points in single gold nanorods, Chemical Physics Letters, 2020, 749, 137416 (1-7).
1) Seo, M. J.; Kim, G. W.; Tsalu, P. V.; Moon, S. W.; Ha, J. W.* Role of chemical interface damping for tuning chemical enhancement in resonance surface-enhanced Raman scattering of plasmonic gold nanorods, Nanoscale Horizons, 2020, 5, 345-349.
2019
9) Lee, J.; Ha, J. W.* Single-particle correlation study: polarization-dependent differential interference contrast imaging of two-dimensional gold nanoplates, Analytical Sciences, 2019, 35, 1237-1241. (Selected as Hot Article)
8) Jeon, H. B.; Tsalu, P. V.; Ha, J. W.* Shape effect on the refractive index sensitivity of localized surface plasmon resonance inflection points in single gold nanocubes with vertices, Scientific Reports, 2019, 9, 13635.
7) Seo, M. J.; Baek, K.; Ha, J. W.* Indirect interactions between Raman probes encapsulated within Cucurbit[7]urils and Gold Nanorods to enhance long-term stability and signal, Analytical Sciences, 2019, 35, 1009-1013.
6) Lee, S. Y.; Ha, J. W.* Effect of linear chain lengths of 1-alkanethiols on plasmon damping of single gold bipyramids with sharp tips, Bull. Korean Chem. Soc., 2019, 40, 481-482.
5) Kim, G. W.; Ha, J. W.* Polarization- and wavelength-dependent defocused scattering imaging of single gold nanostars with multiple long branches, Photochemical & Photobiological Sciences, 2019, 18, 1430-1435.
4) Lee, J.; Ha, J. W.* Single particle study: chemical effect on surface plasmon damping in two-dimensional gold nanoprisms, Bull. Korean Chem. Soc., 2019, 40, 461-464.
3) Lee, S. Y.; Tsalu, P. V.; Kim, G. W.; Seo, M. J.; Hong, J. W.; Ha, J. W.* Tuning chemical interface damping: Interfacial electronic effects of adsorbate molecules and sharp tips of single gold bipyramids, Nano Letters, 2019, 19, 2568-2574.
2) Moon, S. W.; Ha, J. W.* Influence of the capping material on pyridine-induced chemical interface damping in single gold nanorods, Analyst, 2019, 144, 2679-2683.
1) Moon, S. W.; Ha, J. W.* Single-particle correlation study: chemical interface damping induced by biotinylated proteins with sulfur in plasmonic gold nanorods, Physical Chemistry Chemical Physics, 2019, 21, 7061-7066.
10) Lee, J.; Ha, J. W.* Elucidating the contribution of dipole resonance mode to polarizaton-dependent optical properties in single triangular gold nanoplates, Chemical Physics Letters, 2018, 713, 121-124.
9) Jeon, H. B.; Ha, J. W.* Single particle study: plasmon damping of gold nanocubes with vertices by adsorbate molecules, Bull. Korean Chem. Soc., 2018, 39, 1117-1119.
8) Kim, G. W.; Ha, J. W.* Direct visualization of wavelength-dependent single dipoles generated on single gold nanourchins with sharp branches, Nanoscale Research Letters, 2018, 13, 256-262.
7) Moon, S. W.; Tsalu, P. V.; Ha, J. W.* Single particle study: Size and chemical effects on plasmon damping at the interface between adsorbate and anisotropic gold nanorods, Physical Chemistry Chemical Physics, 2018, 20, 22197-22202.
6) Tsalu, P. V.; Kim, G. W.; Hong, J. W.; Ha, J. W.* Homogeneous localizaed surface plasmon resonance scattering inflection points for enhanced sensitivity and plasmon damping in sinlge gold bipyrmids. Nanoscale, 2018, 10, 12554-12563.
5) Seo, M. J.; Ha, J. W.* Effective surface enhanced Raman scattering of branched gold nanourchins with rodhamine 6G as raman reporters. Microchemical Journal, 2018, 140, 47-51.
4) Kim, N. H.§; Hwang, W.§; Baek, K.*; Rohman, Md. R.; Kim, J.; Kim, H. W.; Mun, J.; Lee, S. Y.; Yun, G.; Murray, J.; Ha, J. W.; Rho, J. -S.; Moskovits, M.*; Kim, K.* Smart SERS Hot Spots: Sinlge Molecules Can Be Positioned in a Plasmonic Nanojunction Using Host-Guest Chemistry. Journal of the American Chemical Society, 2018, 140, 4705-4711.
3) Kim, G. W.; Ha, J. W.* Effect of adsorbate electrophilicity and spiky uneven surfaces on single gold nanourchin-based localized surface plasmon resonance sensors, Chemical Physics Letters, 2018, 697, 38-42.
2) Lee, J.; Ha, J. W.* Chemical effect on surface plasmon resonance in one-dimensional single gold microrods, Bull. Korean Chem. Soc., 2018, 39, 571-574.
1) Singh, L.; Lee, J.; Kim, G. W.; Lee, H.; Ha, J. W.; Lee, Y.* Simple, rapid, and efficient flame synthesis technique for ultrafine LiNi0.95 as cathode materials for Li-ion batteries. New Journal of Chemistry, 2018, 42, 372-379.
2018
2017
11) Kim, G. W.; Ha, J. W.* Polarization-sensitive single dipoles generated from multiple sharp branches on the surfaces of single gold nanourchins, Journal of Physical Chemistry C, 2017, 121, 19975-19982.
10) Lee, J.; Ha, J. W.* Defocused dark-field orientation imaging of single gold microrods on synthetic membranes. Physical Chemistry Chemical Physics, 2017, 19, 24453-24457. (Featured as the 2017 PCCP HOT articles)
9) Lee, S. Y.; Han, Y.; Hong, J. W.; Ha, J. W.* Single gold bipyramids with sharp tips as sensitive single particle orientation probes, Nanoscale, 2017, 9, 12060-12067.
8) Kim, G. W.; Ha, J. W.* Platinum-coated core-shell gold nanorods as multifunctional orientation sensors in differential interference contrast microscopy, Analytical Sciences, 2017, 33, 1021-1025.
7) Ha, J. W.* 표면 촉매 반응의 초고분해능 형광 이미징, Chemworld, 2017, 57(7), 13-17.
6) Lee, S. Y.§; Kim, G. W.§; Ha, J. W.* Differential interference contrast microscopy imaging of single gold nanospheres beyond the quasi-static limit, Chemical Physics Letters, 2017, 676, 108-111. (§Equal contribution)
5) Ha, J. W.* Chemical interface damping of single gold nanorods with low sensitivity to the medium dielectric constant. Chemical Physics Letters, 2017, 676, 65-69.
4) Chen, T.; Dong, B.; Chen, K.; Zhao, F.; Cheng, X.; Ma, C.; Lee, S.; Zhang, P.; Kang, S. H.*; Ha, J. W.*; Xu, W.*; Fang, N.* Optical super-resolution imaging of surface reactions, Chemical Reviews, 2017, 117, 7510-7537.
3) Ha, J. W.* Acupuncture injection combined with electrokinetic injection for polydimethylsiloxane (PDMS) microfluidic devices. Journal of Analytical Methods in Chemistry, 2017, 2017, 7495348.
2) Kim, G. W.; Lee, S. Y.; Ha, J. W.* Three-dimensional defocused orientation sensing of single bimetallic core-shell gold nanorods as multifunctional optical probes, Analyst, 2017, 142, 899-903.
1) Ha, J. W.*; Hahn, J. H.* Acupuncture injection for field amplified sample stacking and glass microchip-based capillary gel electrophoresis., Electrophoresis, 2017, 38, 521-524.
2016
5) Lee, S. Y.; Ha, J. W.* Characterizing optical properties of single palladium-coated core-shell gold nanorods as multifunctional orientation probes, Physical Chemistry Chemical Physics, 2016, 18, 32682-32685.
4) Ha, J. W.* Direct visualization of the modulated plasmon modes on single gold nanowires by differential interference contrast microscopy. Analytical Methods, 2016, 8(37), 6687–6690.
3) Ha, J. W.* Characterizing scattering property of single gold nanowires with single particle spectroscopy. Bull. Korean Chem. Soc., 2016, 37(6), 974–976.
2) Ha, J. W.*; Hahn, J. H.* Acupuncture sample injection for microchip capillary electrophoresis and electrokinetic chromatography. Analytical Chemistry, 2016, 88, 4629–4634.
1) Ha, J. W.* Recent advances in single particle rotational tracking of plasmonic anisotropic gold nanoparticles under far-field optical microscopy. Applied Spectroscopy Reviews, 2016, 51, 552–569.
2015
4) Lee, H.; Dam, D. H.; Ha, J. W.; Yu, J.; Odom, T. W.* Enhanced human epidermal growth factor receptor 2 degradation in breast cancer cells by lysosome-targeting gold nanoconstructs. ACS Nano, 2015, 9(10), 9859–9867.
3) Ha, J. W.* Enhanced photothermal signal in thiol-capped single gold nanoparticles. Bull. Korean Chem. Soc., 2015, 36(8), 2154–2157.
2) Ha, J. W.* Characteristic image patterns of single anisotropic plasmonic nanoparticles embedded in gel matrix. Nanoscale, 2015, 7, 13159–13163.
1) Ha, J. W.* Polarized photothermal imaging of micrometer-long gold nanowires. Bull. Korean Chem. Soc., 2015, 36(10), 2413–2414.
1) Han, R.§; Ha, J. W. §; Xiao, C.; Pei, Y.; Qi, Z.; Dong, B.; Bormann, N. L.; Huang, W.*; Fang, N.* Geometry-assisted three-dimensional super-localization imaging of single molecule catalysis on modular multilayer nanocatalysts. Angew. Chem. Int. Ed., 2014, 53, 12865–12869. (§Equal contribution, Hot Paper)
2) Ha, J. W.; Fang, N.* Defocused differential interference contrast microscopy imaging of single plasmonic anisotropic nanoparticles. Chem. Commun., 2014, 50, 5500–5502.
3) Ha, J. W.; Ruberu, T. P. A.; Han, R.; Dong, B.; Vela, J.*; Fang, N.* Super-resolution mapping of photo-generatedelectron and hole separation in single metal-semiconductor nanocatalysts. J. Am. Chem. Soc., 2014, 136, 1398–1408.
4) Ha, J. W.; Chen, K; Fang, N.* Differential interference contrast microscopy imaging of micrometer-long plasmonic nanowires. Chem. Commun., 2013, 49, 11038–11040.
5) Gu, Y.; Ha, J. W.; Augspurger, A. E.; Chen, K.; Zhu, S.; Fang, N.* Single particle orientation and rotational tracking in biophysical studies. Nanoscale, 2013, 5, 10753–10764.
6) Marchuk, K.; Ha, J. W.; Fang, N.* Three-dimensional high-resolution rotational tracking with super-localization reveals conformations of surface-bound anisotropic nanoparticles. Nano Lett., 2013, 13, 1245–1250.
7) Ha, J. W.; Marchuk, K.; Fang, N.* Focused orientation and position imaging (FOPI) of single anisotropic plasmonic nanoparticles by total internal reflection scattering microscopy. Nano Lett., 2012, 12, 4282–4288.
8) Xiao, L.§; Ha, J. W.§; Wei, L.; Wang, G.; Fang, N.* Determining the full three-dimensional orientation of single anisotropic nanoparticles by differential interference contrast microscopy. Angew. Chem. Int. Ed., 2012, 51, 7734–7738. (§Equal contribution)
9) Ha, J. W.; Sun, W.; Stender, A. S.; Fang, N.* Dual-wavelength detection of rotational diffusion of single anisotropic nanocarriers on live cell membranes. J. Phys. Chem. C 2012, 116, 2766–2771.
10) Fang, N.*; Sun, W.; Gu, Y.; Wang, G.; Ha, J. W. Deciphering orientation and rotational information of cargoes at pauses during axonal transport. Biophysical J. 2012, 102, 3, 38a–39a.
11) Ha, J. W.; Sun, W.; Wang, G.; Fang, N.* Differential interference contrast polarization anisotropy for tracking rotational dynamics of gold nanorods. Chem. Commun. 2011, 47, 7743–7745.
12) Ha, J. W.*; Kundu, A.; Jang, J. H. Poly(dimethylsiloxane)(PDMS)-based micro-reactors for steam reforming of methanol. Fuel Process Technol. 2010, 91, 1725–1730.
13) Tcherniak, A.; Ha, J. W.; Domiguez-Medina, S.; Slaughter, L. S.; Link, S.* Probing a century old prediction one plasmonic particle at a time. Nano Lett. 2010, 10, 1398–1404.
14) Chang, W. -S.; Ha, J. W.; Slaughter, L. S.; Link, S.* Plasmonic nanorod absorbers as orientation sensors. Proc. Nat. Acad. Sci. U.S.A. 2010, 107, 2781–2786.
15) Ha, J. W.*; Jang, J. H.; Gil, J.; Kim, S. H. The fabrication and performance of a polydimethylsiloxane (PDMS)-based microreformer for application to electronics. Int J Hydrogen Energy. 2008, 33, 2059–2063.