Nano Bio & Semiconductor Sensor Lab.

87. Wet-spinning of Reduced Graphene Oxide Composite Fiber by Mechanical Synergistic Effect with Graphene Scrolling Method

Chae-Lin Park, Du Won Kim, Sujin Ryu, Joonmyung Choi, Young-Chul Song, Keon Jung Kim, Sang Won Lee, Seongjae Oh, Doyoung Kim, Young Hwan Bae, Hyun Kim, Seon-Jin Choi, Jaehoon Ko*, Shi Hyeong Kim*, Hyunsoo Kim*, Materials Today Advances, Vol. 22, pp. 100491, 2024.

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86.  Dual-Catalytic Activation of Pt and MoSxOy on Carbon Nanofibers for NO2 Sensors

Jae-Woo Seo, Jeong-Ho Park, Ji-Won Jung*, Seon-Jin Choi*, Sensors and Actuators B: Chemical,

Vol. 412, pp. 135750, 2024.

2023

85. Computational Prediction of Stacking Mode in Conductive Two-Dimensional Metal-Organic Frameworks: An Exploration of Chemical and Electrical Property Changes

Mingyu Jeon, Minhyuk Kim, Joon-Seok Lee, Honghui Kim,  Seon-Jin Choi, Hoi Ri Moon, Jihan Kim*, 

ACS Sensors, Vol. 8, No. 8, pp. 3068–3075, 2023.

 

84. Towards the Fastest Kinetics and Highest Uptake of Post-Functionalized UiO-66 for Hg2+ Removal from Water

Iris Tsz Yan Lam, Yufei Yuan, Ki-Taek Bang, Seon-Jin Choi, Dong-Myeong Shin, Dong Lud, and Yoonseob Kim*, Nanoscale, Vol. 15, pp. 10558-10566, 2023.

83. Functionalized Metal-Organic Frameworks for Heavy Metal Ion Removal from Water

Iris Tsz Yan Lam, Seon-Jin Choi, Dong Lu, and Yoonseob Kim*, Nanoscale, Vol. 15, pp. 10189-10205, 2023. (Minireview)

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82. Multi-Scale Nanofiber Membrane Functionalized with Metal-Organic Frameworks for Efficient Filtration of Both PM2.5 and CH3CHO with Colorimetric NH3 Detection

Ji Hyun Lee, Hyun Ju Oh, Young Ki Park, Yoonjin Kim, Gyudong Lee, Song Jun Doh, Woosung Lee,

Seon-Jin Choi*, and Ki Ro Yoon*, Chemical Engineering Journal, Vol. 464, No. 15, pp. 142725, 2023.

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81. Technology Roadmap for Flexible Sensors

Y. Luo, M. R. Abidian, J. H. Ahn, D. Akinwande, A. M. Andrews, M. Antonietti, Z. Bao, M. Berggren, C. A. Berkey, C. J. Bettinger, J. Chen, P. Chen, W. Cheng, X. Chen, S. Choi, A. Chortos, C. Dagdeviren, R. H. Dauskardt, C. Di, M. D. Dickey, X. Duan, A. Facchetti, Z. Fan, T. Fang, J. Feng, X. Feng, H. Gao, W. Gao, X. Gong, C. F. Guo, X. Guo, M. C. Hartel, Z. He, J. S. Ho, Y. Hu, Q. Huang, T. Huang, F. Huo, M. M. Hussain, A. Javey, U. Jeong, C. Jiang, X. Jiang, J. Kang, D. Karnaushenko, A. Khademhosseini, D. Kim, I. D. Kim, D. Kireev, L. Kong, C. Lee, N. E. Lee, P. S. Lee, T. W. Lee, F. Li, J. Li, C. Liang, C. T. Lim, Y. Lin, D. J. Lipomi, J. Liu, D. J. Lipomi, J. Liu, K. Liu, N. Liu, R. Liu, Y. Liu, T. Liu, Z. Liu, Z. Liu, X. J. Loh, N. Lu, Z. Lv, S. Magdassi, G. G. Maliaras, N Matsuhisa, A. Nathan, S. Niu, J. Pan, C. Pang, Q. Pei, H. Peng, D. Qi, H. Ren, J. A. Rogers, A. Rowe, O. G. Schmidt, T. Sekitani, D. G. Seo, G. Shen, X. Sheng, Q. Shi, T. Someya, Y. Song, E. Stavrinidou, M. Su, X. Sun, K. Takei, X. M. Tao, B. C. K. Tee, A. V. Y. Thean, T. Q. Trung, C. Wan, H. Wang, J. Wang, M. Wang, S. Wang, T. Wang, Z. L. Wang, P. S. Weiss, H. Wen, S. Xu, T. Xu, H. Yan, Z. Yan, H. Yang, L. Yang, S. Yang, L. Yin, C. Yu, G. Yu, J. Yu, S. H. Yu, X. Yu, E. Zamburg, H. Zhang, X. Zhang, X. Zhang, X. Zhang, Y. Zhang, Y. Zhang, S. Zhao, X. Zhao, Y. Zheng, Y. Q. Zheng, Z. Zheng, T. Zhou, B. Zhu, M. Zhu, R. Zhu, Y. Zhu, Y. Zhu, G. Zou, X. Chen*, ACS Nano, Vol. 17, No. 6, pp. 5211–5295, 2023. (Invited Review)

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80. Temperature-Dependent N-to-P-type Transition of 2D Mn Oxide Nanosheets toward NO2 for Flexible Gas Sensor Application

Dong-Ha Kim, Joon-Seok Lee, Hee Jung Park*, Il-Doo Kim*, Seon-Jin Choi*, ACS Sensors, Vol. 8, No. 1, pp. 280–288, 2023. 

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79. Flexible Supercapacitor with Superior Length and Volumetric Capacitance Enabled by a Single Strand of Ultra-Thick Carbon Nanotube Fiber

Sungju Lee, Jeong-Gil Kim, Hayoung Yu, Dong-Myung Lee, Seungki Hong, Seung Min Kim, Seon-Jin Choi*, Nam Dong Kim*, and Hyeon Su Jeong*, Chemical Engineering Journal, Vol. 453, Part 2, No. 139974, 2023.

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2022

78. Rational Design Approaches of Two-Dimensional Metal Oxides for Chemiresistive Gas Sensors

Hamin Shin, Jaewan Ahn, Dong-Ha Kim, Jaehyun Ko, Seon-Jin Choi, Reginald M. Penner, and Il-Doo Kim*, MRS Bulletin, Vol. 46, pp. 1-15, 2022. (Invited Review)

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77. Nanomaterials for IoT Sensing Platforms and Point-of-Care Applications In South Korea

Seung-Ho Choi, Joon-Seok Lee, Won-Jun Choi, Jae-Woo Seo, Seon-Jin Choi*, Sensors, Vol. 22, No. 2, pp. 610, 2022 (Invited Review) (Special issue in the State-of-the-Art Chemical Sensors in Korea)

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76. 2D Layered Mn and Ru Oxide Nanosheets for Real-time Breath Humidity Monitoring

Seon-Jin Choi*, Il-Doo Kim*, and Hee Jung Park*, Applied Surface Science, Vol. 573, pp. 151481, 2022.

​

2021

75. Flexible Chemiresistive Cyclohexanone Sensors based on Single-Walled Carbon Nanotube−Polymer Composites
Bora Yoon†, Seon-Jin Choi†, Timothy M. Swager*, and Gary F. Walsh*, ACS Sensors, Vol. 6, No. 8, pp. 3056–3062, 2021. 

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74. Selective Acetate Recognition and Sensing using SWCNTs Functionalized with Croconamides

Bora Yoon, Seon-Jin Choi*, Sensors and Actuators B: Chemical, Vol. 346, pp. 130461, 2021.

​

73. Effect of Metal/Metal Oxide Catalysts on Graphene Fiber for Improved NO2 Sensing

Wonsik Eom, Ji-Soo Jang, Sang Hoon Lee, Eunsong Lee, Il-Doo Kim*, Seon-Jin Choi*, and Tae Hee Han*

Sensors and Actuators B: Chemical, Vol. 344, pp. 130231, 2021.

​

72. 2D Layer Assembly of Pt-ZnO Nanoparticles on Reduced Graphene Oxide for Flexible NO2 Sensors

Joon-Young Kang, Won-Tae Koo, Ji–Soo Jang, Dong-Ha Kim, Yong Jin Jeong, Rheehyun Kim, Jaewan Ahn, Seon-Jin Choi,* and Il-Doo Kim*, Sensors and Actuators B: Chemical, Vol. 331, pp. 129371, 2021.

​

2020

71. Interpenetrating Polymer Semiconductor Nanonetwork Channel for Ultrasensitive, Selective, and Fast Recovered Chemodetection
Jaehee Kim, Hyukmin Kweon, Han Wool Park, Pureunsan Go, Haejung Hwang, Joonseok Lee, Seon-Jin Choi, and Do Hwan Kim*, ACS Applied Materials & Interfaces, Vol. 12, No. 49, pp. 55107–55115, 2020. 

​

70. Functional Single-Walled Carbon Nanotubes for Anion Sensing

Seon-Jin Choi, Bora Yoon, Sibo Lin, and Timothy M. Swager*, ACS Applied Materials & Interfaces, Vol. 12, No. 25, pp. 28375–28382, 2020. 

69. Low-Thermal-Budget Doping of 2D Materials in Ambient Air Exemplified by Synthesis of Boron-Doped Reduced Graphene Oxide

Jun-Hwe Cha, Dong-Ha Kim, Cheolmin Park, Seon-Jin Choi, Ji-Soo Jang, Sang Yoon Yang, Il-Doo Kim*, and Sung-Yool Choi*, Advanced Science, Vol. 7, No. 7, pp. 1903318, 2020. (Inside back cover-featured).

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68. Porosity Controlled 3D SnO2 Spheres via Electrostatic Spray: Selective Acetone Sensors

Hee-Jin Cho, Seon-Jin Choi, Nam-Hoon Kim, and Il-Doo Kim*, Sensors and Actuators B: Chemical, Vol. 304, pp. 127350, 2020.

​

67. Chemiresistors for the Real-Time Wireless Detection of Anions

Seon-Jin Choi, Bora Yoon, Jason D. Ray, Anton Netchaev, Lee C. Moores, and Timothy M. Swager*,

Advanced Functional Materials, Vol. 30, No. 7, pp. 1907087, 2020. (Front cover-featured).

​

2019

66. Precision pH Sensor Based on WO3 Nanofiber-Polymer Composites and Differential Amplification

Seon-Jin Choi, Suchol Savagatrup, Yoonseob Kim, Jeffrey H. Lang* and Timothy M. Swager*, ACS Sensors, Vol. 4, No. 10, pp. 2593−2598, 2019.

​

65. Porous Ion Exchange Polymer Matrix for Ultrasmall Au Nanoparticle-Decorated Carbon Nanotube Chemiresistors

Won-Tae Koo, Yoonseob Kim, Suchol Savagatrup, Bora Yoon, Intak Jeon, Seon-Jin Choi, Il-Doo Kim*, and Timothy M. Swager*, Chemistry of Materials, Vol. 31, No. 15, pp. 5413−5420, 2019.

​

64. Heterogeneous, Porous 2D Oxide Sheets via Rapid Galvanic Replacement: Toward Superior HCHO Sensing Application

Ji-Soo Jang, Sang-Eun Lee, Seon-Jin Choi, Won-Tae Koo, Dong-Ha Kim, Hamin Shin, Hee Jung Park*, and Il-Doo Kim*, Advanced Functional Materials, Vol. 29, No. 42, pp. 1903012, 2019.

​

63. Biocompatible Carbon Nanotube-Based Hybrid Microfiber for Implantable Electrochemical Actuator and Flexible Electronic Applications

Ting Zheng, Parisa P.S.S. Abadi, Jungmok Seo, Byung-Hyun Cha, Beatrice Miccoli, Yi-Chen Li, Kijun Park, Kijun Park, Sunghyun Park, Seon-Jin Choi, Rasoul Bayaniahangar, Dongxing Zhang, Soo-Hong Lee, Chang-Kee Lee, Ali Khademhosseini*, and Su Ryon Shin*, ACS Applied Materials & Interfaces, Vol. 11, No. 23, pp. 20615−20627, 2019.

​

62. All-carbon fiber-based chemical sensor: Improved reversible NO2 reaction kinetics

Seon-Jin Choi, Dong-Myeong Lee, Hayoung Yu, Ji-Soo Jang, Min-Hyeok Kim, Hyeon Su Jeong*, and Il-Doo Kim*, Sensors and Actuators B: Chemical, Vol. 290, No. 1, pp. 293−301, 2019.

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61. Heterogeneous Metal Oxide−Graphene Thorn-Bush Single Fiber as a Freestanding Chemiresistor

Ji–Soo Jang, Hayoung Yu, Seon-Jin Choi, Won-Tae Koo, Jiyoung Lee, Dong-Ha Kim, Joon-Young Kang, Yong-Jin Jeong, Hyeonsu Jung*, and Il–Doo Kim*, ACS Applied Materials & Interfaces, Vol. 11, No. 10, pp. 10208−10217, 2019.

​

2018

60. Wireless Real-time Temperature Monitoring of Blood Packages: Silver Nanowires-embedded Flexible Temperature Sensor
Doo-Young Youn, Uihyun Jung, Muhammad Naqi, Seon-Jin Choi, Min-Goo Lee, Sungho Lee, Hi-Joon Park, Il-Doo Kim*, Sunkook Kim*, ACS Applied Materials & Interfaces, Vol. 10, No. 51, pp. 44678−44685, 2018.
 

59. Switchable Single-Walled Carbon Nanotube–Polymer Composites for CO2 Sensing
Bora Yoon, Seon-Jin Choi, Timothy M. Swager*, and Gary F. Walsh*, ACS Applied Materials & Interfaces, Vol. 10, No. 39, pp 33373-33379, 2018.
 

58. Few-Layered WS2 nanoplates Confined in Co, N-Doped Hollow Carbon Nanocages: Abundant WS2 Edges for Highly Sensitive Gas Sensors
Won-Tae Koo, Jun-Hwe Cha, Ji-Won Jung, Seon-Jin Choi, Ji-Soo Jang, Dong-Ha Kim, and Il-Doo Kim*, Advanced Functional Materials, Vol. 28, pp 1802575, 2018.
 

57. Pt Nanoparticles Functionalized Tungsten Oxynitride Hybrid Chemiresistor: Low-Temperature NO2 Sensing
Dong-Ha Kim, Ji-Won Jung, Seon-Jin Choi, Ji-Soo Jang, Won-Tae Koo, and Il-Doo Kim*, Sensors and Actuators B: Chemical, Vol. 273, pp 1269–1277, 2018.
 

56. Abnormal Optoelectric Properties of Two-Dimensional Protonic Ruthenium Oxide with a Hexagonal Structure
Hee Jung Park*, Kimoon Lee, Il-Doo Kim, Seon-Jin Choi, and Byungki Ryu*, ACS Applied Materials & Interfaces, Vol. 10, pp 22661–22668, 2018.

55. Bi-modally Porous WO3 Nanobelts Functionalized with Pt Catalysts for Selective H2S Sensors
Min-Hyeok Kim, Ji-Soo Jang, Won-Tae Koo, Seon-Jin Choi, Sang-Joon Kim, Dong-Ha Kim, and Il-Doo Kim*, ACS Applied Materials & Interfaces, Vol. 10, pp 20643−20651, 2018.

54. Sub-Parts-per-Million Hydrogen Sulfide Colorimetric Sensor: Lead Acetate Anchored Nanofibers toward Halitosis Diagnosis
Jun-Hwe Cha, Dong-Ha Kim, Seon-Jin Choi, Won-Tae Koo, and Il-Doo Kim*, Analytical Chemistry, Vol. 90, No. 15, pp 8769–8775, 2018.

53. Bio-inspired Cocatalysts Decorated WO3 Nanotube Toward Unparalleled Hydrogen Sulfide Chemiresistor
Dong-Ha Kim, Ji-Soo Jang, Won-Tae Koo, Seon-Jin Choi, Hee-Jin Cho, Min-Hyeok Kim, Sang-Joon Kim, and Il-Doo Kim*, ACS Sensors, Vol. 3, pp 1164−1173, 2018.

52. Material-Independent Nano-Transfer onto a Flexible Substrate Using Mechanical-Interlocking Structure
Min-Ho Seo, Seon-Jin Choi, Sang Hyun Park, Jae-Young Yoo, Sung Kyu Lim, Jae-Shin Lee, Kwang-Wook Choi, Min-Seung Jo, Il-Doo Kim, and Jun-Bo Yoon* ACS Nano, Vol. 12, No. 5, pp 4387–4397, 2018.

51. Nitrogen-doped single graphene fiber with platinum water dissociation catalyst for wearable humidity sensor
Seon-Jin Choi, Hayoung Yu, Ji-Soo Jang, Min-Hyeok Kim, Hyeon Su Jeong*, and Il-Doo Kim*, Small, Vol. 14, pp. 1703934, 2018. (Front cover-featured).

50. Recent Developments in 2D Nanomaterials for Chemiresistive-Type Gas Sensors
Seon-Jin Choi*, Il-Doo Kim*, Electronic Materials Letters, Vol. 14, No. 3, pp. 221−260, 2018. (Front cover-featured). (Invited Review)

49. Hierarchically interconnected porosity control of catalyst-loaded WO3 nanofiber scaffold: Superior acetone sensing layers for exhaled breath analysis
Dong-Ha Kim, Ji-Soo Jang, Won-Tae Koo, Seon-Jin Choi, Sang-Joon Kim, and Il-Doo Kim*, Sensors and Actuators B: Chemical, Vol. 259, pp. 616−625, 2018.

48. Applications and Advances in Bioelectronic Nose Technologies for Odour Sensing
Tran Thi Dung, Yunkwang Oh, Seon-Jin Choi, Il-Doo Kim, Min-Kyu Oh*, Moonil Kim*, Sensors, Vol. 18, No. 1, pp. 103, 2018. (Review)

 

2017
47. Metal-organic framework templated PdO-Co3O4 nanocubes functionalized by SWCNTs: Improved NO2 reaction kinetics on flexible heating film
Seon-Jin Choi,† Hack-Jong Choi,† Won-Tae Koo, Daihong Huh, Heon Lee*, and Il-Doo Kim*, ACS Applied Materials & Interfaces, Vol. 9, No. 46, pp. 40593−40603, 2017. (†Equally contributed to this work)

46. Cu Micro-belt Network Embedded in Colorless Polyimide Substrate: Flexible Heater Platform with High Optical Transparency and Superior Mechanical Stability
Ji-Hyun Lee, Doo-Young Youn, Zhenhao Luo, Ji Young Moon, Seon-Jin Choi, Chanhoon Kim, Il-Doo Kim*, ACS Applied Materials & Interfaces, Vol. 9, No. 45, pp. 39650–39656, 2017.

45. Hollow Pd-Ag Composite Nanowires for Fast Responding and Transparent Hydrogen Sensors
Ji-Soo Jang, Shaopeng Qiao, Seon-Jin Choi, Gaurav Jha, Alana F. Ogata, Won-Tae Koo, Dong-Ha Kim, Il-Doo Kim*, and Reginald M. Penner*, ACS Applied Materials & Interfaces, Vol. 9, No. 45, pp. 39464–39474, 2017.

44. Metal Organic Framework-templated Chemiresistor: P-to-N Phase Transition in Hollow Metal Oxide Polyhedron via Galvanic Replacement
Ji-Soo Jang, Won-Tae Koo, Seon-Jin Choi, and Il-Doo Kim*, Journal of the American Chemical Society (JACS), Vol. 139, No. 34, pp. 11868–11876, 2017.

43. Nanomechanical Encoding Method Using Enhanced Thermal Concentration on a Metallic Nanobridge
Jeong Oen Lee, Kwang-Wook Choi, Seon-Jin Choi, Min-Ho Kang, Min-Ho Seo, Il-Doo Kim, Kyoungsik Yu, and Jun-Bo Yoon*, ACS Nano, Vol. 11, No. 8, pp. 7781–7789, 2017.

42. Exceptional High-Performance of Pt-Based Bimetallic Catalysts for Exclusive Detection of Exhaled Biomarkers
Sang-Joon Kim, Seon-Jin Choi, Ji-Soo Jang, Hee-Jin Cho, Won-Tea Koo, and Il-Doo Kim*, Advanced Materials, Vol. 29, No. 36, pp. 1700737, 2017. (Front cover-featured)

41. Elaborate Manipulation for Sub-10 nm Hollow Catalyst Sensitized Heterogeneous Oxide Nanofibers for Room Temperature Chemical Sensors
Ji-Soo Jang, Seon-Jin Choi, Won-Tae Koo, Sang-Joon Kim, Jun Young Cheong, and Il-Doo Kim*, ACS Applied Materials & Interfaces, Vol. 9, No. 29, pp. 24821-24829, 2017.

40. Metal-Organic Framework Templated Catalysts: Dual Sensitization of PdO-ZnO Composite on Hollow SnO2 Nanotubes for Selective Acetone Sensors
Won-Tae Koo, Ji-Soo Jang, Seon-Jin Choi, Hee-Jin Cho, and Il-Doo Kim*, ACS Applied Materials & Interfaces, Vol. 9, pp. 18069-18077, 2017.

39. Innovative Nanosensor for Disease Diagnosis
Sang-Joon Kim,† Seon-Jin Choi,† Ji-Soo Jang, Hee-Jin Cho, and Il-Doo Kim*, Accounts of Chemical Research, Vol. 50, No. 7, pp. 1587-1596, 2017 (†Equally contributed to this work), (Front cover-featured) (Invited Review)

38. 2D WS2-Edge Functionalized Multi-Channel Carbon Nanofibers: Effect of WS2 Edge-Abundant Structure on Room-Temperature NO2 Sensing
Jun-Hwe Cha, Seon-Jin Choi, Sunmoon Yu, and Il-Doo Kim*, Journal of Materials Chemistry A, Vol. 5, pp. 8725-8732, 2017.

37. Electrospun Nanostructures for High Performance Chemiresistive and Optical Sensors
Seon-Jin Choi,† Luana Persano,† Andrea Camposeo,† Ji-Soo Jang, Won-Tae Koo, Hee-Jin Cho, Sang-Joon Kim, Il-Doo Kim*, and Dario Pisignano*, Macromolecular Materials and Engineering, Vol. 302, pp. 1600569, 2017. (†Equally contributed to this work), (Front cover-featured), (Featured in Advanced Science News) (Invited Review)
  
36. Nanoscale PdO Catalyst Functionalized Co3O4 Hollow Nanocages using MOF Templates for Selective Detection of Acetone Molecules in Exhaled Breath
Won-Tae Koo, Sunmmon Yu, Seon-Jin Choi, Ji-Soo Jang, Jun Young Cheong, and Il-Doo Kim*, ACS Applied Materials & Interfaces, Vol. 9, pp. 8201-8210, 2017.

35. Metal-Organic Framework Templated Synthesis of Ultrasmall Catalyst Loaded ZnO/ZnCo2O4 Hollow Spheres for Enhanced Gas Sensing
Won-Tae Koo, Seon-Jin Choi, Ji-Soo Jang,  and Il-Doo Kim*, Scientific Reports, Vol. 7, No. 45074, 2017. 

34. Optically Sintered 2D RuO2 Nanosheets: Temperature Controlled NO2 Gas Reaction
Seon-Jin Choi, Ji-Soo Jang, Hee-Jung Park,* and Il-Doo Kim*, Advanced Functional Materials, Vol. 27, pp. 1606026, 2017. (Featured in Advanced Science News) 

33. Facile synthetic method of catalyst-loaded ZnO nanofibers composite sensor arrays using bio-inspired protein cages for pattern recognition of exhaled breath
Hee-Jin Cho, Sang-Joon Kim, Seon-Jin Choi, Ji-Soo Jang, Moonil Kim, and Il-Doo Kim*, Sensors and Actuators B: Chemical, Vol. 243, pp. 166-175, 2017.

32. WO3 nanofibers functionalized by protein-templated RuO2 nanoparticles as highly sensitive exhaled breath gas sensing layers
Kwang-Hun Kim, Sang-Joon Kim, Hee-Jin Cho, Nam-Hoon Kim, Ji-Soo Jang, Seon-Jin Choi, and Il-Doo Kim*, Sensors and Actuators B: Chemical, Vol. 241, pp. 1276-1282, 2017. 

 

2016
31. Heterogeneous Sensitization of Metal-Organic Framework Driven Metal@Metal Oxide Complex Catalysts on Oxide Nanofiber Scaffold toward Superior Gas Sensors
Won-Tae Koo, Seon-Jin Choi, Sang-Joon Kim, Ji-Soo Jang, Harry L. Tuller, and Il-Doo Kim*, Journal of the American Chemical Society (JACS), Vol. 138, pp. 13431-13437, 2016.

30. Novel Templating Route Using Pt Infiltrated Block Copolymer Microparticles for Catalytic Pt Functionalized Macroporous WO3 Nanofibers and Its Application in Breath Pattern Recognition
Seon-Jin Choi,† Kang Hee Ku,† Bumjoon J. Kim,* and Il-Doo Kim* ACS Sensors, Vol. 1, pp.1124-1131, 2016 (†Equally contributed to this work)

29. Silver nanowire embedded colorless polyimide heater for wearable chemical sensors: Improved reversible reaction kinetics of optically reduced graphene oxide
Seon-Jin Choi, Sang-Joon Kim, Ji-Soo Jang, Ji-Hyun Lee, and Il-Doo Kim*, Small, Vol. 12, pp. 5826-5835, 2016. (Front cover-featured) 

28. Metal chelation assisted in-situ migration and functionalization of catalysts on peapod-like hollow SnO2 toward superior chemical sensor
Ji-Soo Jang, Sunmoon Yu, Seon-Jin Choi, Sang-Joon Kim, Won-Tae Koo, and Il-Doo Kim*, Small, Vol. 12, pp. 5989-5997, 2016.

27. Ultrafast optical reduction of graphene oxide sheets on colorless polyimide film for wearable chemical sensors
Seon-Jin Choi, Sang-Joon Kim, and Il-Doo Kim*, NPG Asia Materials, Vol. 8, No. e315, 2016.

26. Mesoporous WO3 Nanofibers with Protein Templated Nanoscale Catalysts for Detection of Trace Biomarkers in Exhaled Breath
Sang-Joon Kim, Seon-Jin Choi, Ji-Soo Jang, Nam-Hoon Kim, Meggie Hakim, Harry L. Tuller, and Il-Doo Kim*, ACS Nano, Vol. 10, pp. 5891-5899, 2016.

25. Rational design of highly porous SnO2 nanotubes functionalized with biomimetic nanocatalysts for direct observation of simulated diabetes
Ji-Soo Jang, Seon-Jin Choi, Sang-Joon Kim, Meggie Hakim, and Il-Doo Kim*, Advanced Functional Materials, Vol. 26, pp. 4740-4748, 2016.

24. Coaxial electrospinning of WO3 nanotubes functionalized with bio-inspired catalysts and its superior hydrogen sensing performances
Seon-Jin Choi, Saptarshi Chattopadhyay, Jae Jin Kim, Sang-Joon kim, Harry L. Tuller, Gregory C. Rutledge*, and Il-Doo Kim*, Nanoscale, Vol. 8, pp. 9159-9166, 2016. (Back cover-featured)

23. WO3 nanofiber-based biomarker detectors enabled by protein-encapsulated catalyst self-assembled on polystyrene colloid templates
Seon-Jin Choi, Sang-Joon Kim, Hee-Jin Cho, Ji-Soo Jang, Yi-Min Lin, Harry L. Tuller, Gregory C. Rutledge and Il-Doo Kim*, Small, Vol. 12, No. 7, pp. 911-920, 2016. (Back cover-featured)

22. Hierarchical ZnO Nanowires-loaded Sb-doped SnO2-ZnO Micrograting Pattern via Direct Imprintingassisted Hydrothermal Growth and Its Selective Detection of Acetone Molecules
Hak-Jong Choi†, Seon-Jin Choi†, Soyoung Choo, Il-Doo Kim*, and Heon Lee*, Scientific Reports, Vol. 6, No. 18731, 2016. (†Equally contributed to this work)

21. Highly Sensitive and Selective Acetone Sensing Performance of WO3 Nanofibers Functionalized by Rh2O3 Nanoparticles
Nam-Hoon Kim, Seon-Jin Choi, Sang-Joon Kim, Hee-Jin Cho, Ji-Su Jang, Won-Tae Koo, Moonil Kim and Il-Doo Kim*, Sensors and Actuators B: Chemical, Vol. 224, pp. 185-192, 2016.

20. Catalyst-decorated hollow WO3 nanotubes using layer-by-layer self-assembly on polymeric nanofiber templates and their application in exhaled breath sensor
Won-Tae Koo, Seon-Jin Choi, Nam-Hoon Kim, Ji-Soo Jang, and Il-Doo Kim*, Sensors and Actuators B: Chemical, Vol. 223, pp. 301-310, 2016.

 

2015
19. Thin-walled SnO2 nanotubes functionalized with Pt and Au catalysts via protein templating route and their selective detection of acetone and hydrogen sulfide molecules
Ji-Soo Jang, Sang-Joon Kim, Seon-Jin Choi, Nam-Hoon Kim, Meggie Hakim, Avner Rothschild and Il-Doo Kim*, Nanoscale, Vol. 7, pp. 16417-16426, 2015.

18. Signal Power-insensitive Analog MEMS Tunable Capacitor by Immobilizing the Movable Plates
Hyun-Ho Yang, Chang-Hoon Han, Seon-Jin Choi, Dong-Hoon Choi, and Jun-Bo Yoon*, IEEE/ASME Journal of Microelectromechanical Systems (IEEE JMEMS), Vol. 24, No. 5, pp. 1545-1556, 2015.

17. Highly Efficient Electronic Sensitization of Non-oxidized Graphene Flakes on Controlled Pore-loaded WO3 Nanofibers for Selective Detection of H2S Molecules
Seon-Jin Choi, Chanyong Choi, Sang-Joon Kim, Hee-Jin Cho, Meggie Hakim, Seokwoo Jeon, and Il-Doo Kim*, Scientific Reports, Vol. 5, No. 8067, 2015.

16. Catalyst-loaded porous WO3 nanofibers using catalyst-decorated polystyrene colloid templates for detection of biomarker molecules
Seon-Jin Choi, Sang-Joon Kim, Won-Tae Koo, Hee-Jin Cho, and Il-Doo Kim*, Chemical Communications, Vol. 51, pp. 2609-2612, 2015.

15. Facile synthesis of hierarchical porous WO3 nanofibers having 1D nanoneedles and their functionalization with non-oxidized graphene flakes for selective detection of acetone molecules
Seon-Jin Choi, Chanyong Choi, Sang-Joon Kim, Hee-Jin Cho, Seokwoo Jeon, and Il-Doo Kim*, RSC Advances, Vol. 5, pp. 7584-7588, 2015.

14. Increasing Capacitance and Self-Resonant Frequency of the MEMS Switched Capacitor Using High-κ TiO2 and SU-8 Bridged Beam Structure
Seon-Jin Choi†, Chang-Hoon Han†, Hyun-Ho Yang, Dong-Hoon Choi, and Jun-Bo Yoon*, IEEE/ASME Journal of Microelectromechanical Systems (IEEE JMEMS), Vol. 24, No. 4, pp. 1006-1015, 2015. (†Equally contributed to this work)

 

2014
13. Bi-functional Co-sensitization of Graphene Oxide Sheets and Ir Nanoparticles on P-type Co3O4 Nanofibers for Selective Acetone Detection
Seon-Jin Choi, Won-Hee Ryu, Sang-Joon Kim, Hee-Jin Cho, and Il-Doo Kim*, Journal of Materials Chemistry B, Vol. 2, pp. 7160-7167, 2014.

12. Facile Au catalyst loading on inner shell of hollow SnO2 spheres using Au-decorated block copolymer sphere templates and their selective H2S sensing characteristics
Seon-Jin Choi†, Minsoo P. Kim†, Seo-Jin Lee, Bumjoon J. Kim*, and Il-Doo Kim*, Nanoscale, Vol. 6, pp. 11898-11903, 2014. (†Equally contributed to this work)

11. Fast Responding Exhaled-Breath Sensors Using WO3 Hemitubes Functionalized by Graphene Based Electronic Sensitizers for Diagnosis of Diseases
Seon-Jin Choi, Franz Fuchs, Renaud Demadrille, Benjamin Grévin, Bong-Hoon Jang, Seo-Jin Lee, Jong-Heun Lee, Harry L. Tuller, and Il-Doo Kim*, ACS Applied Materials & Interfaces, Vol. 6, No. 12, pp. 9061-9070, 2014.

10. The stability, sensitivity, and response transients of ZnO, SnO2, and WO3 sensors under acetone, toluene, and H2S environments
Ingun Lee, Seon-Jin Choi, Kwang-Min Park, Sun Sook Lee, Sungho Choi, Il-Doo Kim, and C. O. Park*, Sensors and Actuators B: Chemical, Vol. 197, pp. 300-307, 2014.

9. Selective detection of acetone and hydrogen sulfide for the diagnosis of diabetes and halitosis using SnO2 nanofibers functionalized with reduced graphene oxide nanosheets
Seon-Jin Choi, Bong-Hoon Jang, Seo-Jin Lee, Byoung Koun Min, Avner Rothschild, and Il-Doo Kim*, ACS Applied Materials & Interfaces, Vol. 6, No. 4, pp. 2588-2597, 2014.

8. Highly sensitive and selective hydrogen sulfide and toluene sensors using Pd functionalized WO3 nanofibers for potential diagnosis of halitosis and lung cancer
Nam-Hoon Kim, Seon-Jin Choi, Dae-Jin Yang, Jihyun Bae, Jongjin Park, and Il-Doo Kim*, Sensors and Actuators B: Chemical, Vol. 193, No, 31, pp. 574-581, 2014.

 

2013
7. High throughput ultra-long (20 cm) nanowire fabrication using a wafer-scale nanograting template
Jeongho Yeon, Young Jae Lee, Dong Eun Yoo, Kyoung Jong Yoo, Jin Su Kim, Jun Lee, Jeong Oen Lee, Seon-Jin Choi, Gun-Wook Yoon, Dong Wook Lee, Gi Seong Lee, Hae Chul Hwang, and Jun-Bo Yoon*, Nano Letters, Vol. 13, No. 9, pp. 3978-3984, 2013.

6. Selectivity enhancement of SnO2 nanofiber gas sensors by functionalization with Pt nanocatalysts and manipulation of the operation temperature
Bong-Hoon Jang, Osnat Landau, Seon-Jin Choi, Jungwoo Shin, Avner Rothschild, and Il-Doo Kim*, Sensors and Actuators B: Chemical, Vol. 188, pp. 156-168, 2013.

5. Selective diagnosis of diabetes using Pt-functionalized WO3 hemitube networks as a sensing layer of acetone in exhaled breath
Seon-Jin Choi, Inkun Lee, Bong-Hoon Jang, Doo-Young Youn, Won-Hee Ryu, Chong-Ooc Park, and Il-Doo Kim*, Analytical Chemistry, Vol. 85, No. 3, pp. 1792-1796, 2013.

4. Thin-wall assembled SnO2 nanofibers functionalized by catalytic Pt nanoparticles and their superior exhaled sensing properties for diagnosis of diabetes
Jungwoo Shin, Seon-Jin Choi, Inkun Lee, Doo-Young Youn, Chong-Ook Park, Jong-Heun Lee, Harry L. Tuller, and Il-Doo Kim*, Advanced Functional Materials, Vol. 23, No. 19, pp. 2357-2367, 2013.

3. Facile Synthesis of p-type Perovskite SrTi0.65Fe0.35O3-δ Nanofibers Prepared by Electrospinning and Their Oxygen Sensing Properties
Seung-Hoon Choi, Seon-Jin Choi, Byoung Koun Min, Woon Young Lee, Jin Seong Park, and Il-Doo Kim*, (Special Issue) Macromolecular Materials and Engineering, Vol. 298, No. 5, pp. 521-527, 2013. (Front cover-featured), (Featured on Materials Views)

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2012
2. Exhaled VOCs sensing properties of WO3 nanofibers functionalized by Pt and IrO2 nanoparticles for diagnosis of diabetes and halitosis
Jungwoo Shin, Seon-Jin Choi, Doo-Young Youn, and Il-Doo Kim*, Journal of Electroceramics, Vol. 29, No. 2, pp 106-116, 2012.

1. Use of a Columnar Metal Thin Film as a Nanosieve with Sub-10 nm Pores
Dong-Hoon Choi, Yong Duk Han, Byung-Kee Lee, Seon-Jin Choi, Hyun C. Yoon, Dae-Sik Lee, and Jun-Bo Yoon*, Advanced Materials, Vol. 24, No. 32, pp. 4408-4413, 2012. (Front cover-featured)

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