Won-Tae Koo's Research

54.     Ferroelectrics

Won-Tae Koo† et al. 
Submitted 

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53.     Polyelemental Nanoparticles

Won-Tae Koo (co-first author),† et al.
Submitted

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52.     Surface Hydration of Electrospun Nanofibers using Water-Absorbing Metal–Organic Frameworks

          for Ultrafine Particulate Matter Removal 

Won-Tae Koo (co-first author),† Youngsun Hong,† Daeha Joung, and Chanhoon Kim*

Chemical Engineering Journal 2022, 446, 136710. 

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51.     Ultrathin Ferroic HfO2–ZrO2 Superlattice Gate Stack for Advanced Transistors

Suraj S. Cheema, †,* Nirmaan Shanker,† Li-Chen Wang, Cheng-Hsiang Hsu, Shang-Lin Hsu, Yu-Hung Liao,
Matthew San Jose, Jorge Gomez, Wriddhi Chakraborty, Wenshen Li, Jong-Ho Bae, Steve K. Volkman, Daewoong Kwon,
Yoonsoo Rho, Gianni Pinelli, Ravi Rastogi, Dominick Pipitone, Corey Stull, Matthew Cook, Brian Tyrrell, Vladimir A. Stoica,
Zhan Zhang, John W. Freeland, Christopher J. Tassone, Apurva Mehta, Ghazal Saheli, David Thompson, Dong Ik Suh,
Won-Tae Koo, Kab-Jin Nam, Dong Jin Jung, Woo-Bin Song, Chung-Hsun Lin, Seunggeol Nam, Jinseong Heo,
Narendra Parihar, Costas P. Grigoropoulos, Padraic Shafer, Patrick Fay, Ramamoorthy Ramesh, Souvik Mahapatra,
Jim Ciston, Suman Datta, Mohamed Mohamed, Chenming Hu, and Sayeef Salahuddin*
Nature 2022, 604, 65–71.

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50.     Confinement of Ultra-Small Bimetallic Nanoparticles in Conductive Metal-Organic Frameworks via Site-Specific Nucleation

Chungseong Park,† Won-Tae Koo (co-first author),† Sanggyu Chong, Hamin Shin, Yoon Hwa Kim, Hee-Jin Cho, Ji-Soo Jang, Dong-Ha Kim, Jiyoung Lee, Seyeon Park, Jaehyun Ko, Jihan Kim, and Il-Doo Kim* 
Advanced Materials, 2021, 33, 2101216. Back Cover-Featured

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49.     Large-area Synthesis of Nanoscopic Catalyst-Decorated Conductive MOF Film Using Microfluidic-based Solution Shearing

Jin-Oh Kim,† Won-Tae Koo (co-first author),† Hanul Kim, Chungseong Park, Taehoon Lee, Calvin Andreas Hutomo,

Siyoung Choi, Dong Soo Kim, Il-Doo Kim,* and Steve Park*
Nature Communications 2021, 12, 4294. (Selected as Editors’ Highlights)

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48.     Superior Acetylene Chemiresistor Fabricated from Ga-doped ZnO Nanofibers Functionalized with Pt Catalysts

Seyeon Park, Peresi Majura Bulemo, Won-Tae Koo, Jaehyun Ko, and Il-Doo Kim*   
Sensors and Actuators B: Chemical 2021, 343, 130137.

 

47.     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 Ann, Seon-Jin Choi,* and Il-Doo Kim*    

Sensors and Actuators B: Chemical 2021, 331, 129371.

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46.     Chemiresistive Hydrogen Sensors: Fundamentals, Recent Advances, and Challenges

Won-Tae Koo, Hee-Jin Cho, Dong-Ha Kim, Yoon-Hwa Kim, Hamin Shin, Reginald M. Penner,* and Il-Doo Kim*    

ACS Nano 2020, 14, 14284–9661.

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45.     Single-Atom Pt Stabilized on One-Dimensional Nanostructure Support via Carbon Nitride/SnO2 Heterojunction Trapping

Hamin Shin, Wan-Gil Jung, Dong-Ha Kim, Ji-Soo Jang, Yoon Hwa Kim, Won-Tae Koo, Jaehyeong Bae, Chungseong Park,

Su-Ho Cho, Bong Joong Kim, and Il-Doo Kim*     

ACS Nano 2020, 14, 11394–11405.

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44.     Hydrogen Sensors from Ultra-small Bimetallic Nanoparticle Porous Ion Exchange Polymer Composites

Won-Tae Koo, Yoonseob Kim, Sunwoo Kim, Bong Lim Suh, Suchol Savagatrup, Sung-Ju Lee, Jihan Kim,

Timothy M. Swager,* and Il-Doo Kim*     

Chem 2020, 6, 2746–2758.

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43.     Hydrogen Sensors Based on MoS2 Hollow Architectures Assembled by Pickering Emulsion

Chan Ho Park,† Won-Tae Koo (co-first author),† Young Jun Lee, Yoon-Hwa Kim, Jiyoung Lee, Ji-Soo Jang, Il-Doo Kim,*

and Bumjoon J. Kim*      

ACS Nano 2020, 14, 9652–9661.

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42.   The Design and Science of Polyelemental Nanoparticles

Won-Tae Koo, Jill E. Millstone, Paul. S. Weiss, and Il-Doo Kim*     

ACS Nano 2020, 14, 6407–6413. (Perspective)

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41.     Pore-Size Tuned Graphene Oxide Membrane as a Selective Molecular Sieving Layer:

Toward Ultra-Selective Chemiresistors

Ji-Soo Jang, Jiyoung Lee, Won-Tae Koo, Dong-Ha Kim, Hee-Jin Cho, Hamin Shin, and Il-Doo Kim*     

Analytical Chemistry 2020, 92, 957–965.

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40.     Universal Synthesis of Porous Inorganic Nanosheets via Graphene-Cellulose Templating Route

Ji-Soo Jang, Seunghee Cho, Hyeuk Jin Han, Seok-Won Son, Sang-Joon Kim, Won-Tae Koo, Dong-Ha Kim, Hyeon Su Jeong, Yeon Sik Jung and Il-Doo Kim*     
ACS Applied Materials & Interfaces 2019, 11, 34100-34108.

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39.     Catalytic Metal Nanoparticles Embedded in Conductive Metal-Organic Frameworks for Chemiresistors:

Highly Active and Conductive Porous Materials

Won-Tae Koo, Sang-Joon Kim, Ji-Soo Jang, Dong-Ha Kim, and Il–Doo Kim*        
Advanced Science 2019, 6, 201900250.

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38.     Porous Ion Exchange Polymer Matrix for Ultra-Small Au Nanoparticles-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 2019, 31, 5413-5420.  

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37.     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*

Advanced Functional Materials 2019, 1903012.       

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36.     High-Resolution, Fast, and Shape-Conformable Hydrogen Sensor Platform: Polymer Nanofiber Yarn Coupled with

Nanograined Pd@Pt

Dong-Ha Kim, Sang-Joon Kim, Hamin Shin, Won-Tae Koo, Ji-Soo Jang, Joon-Young Kang, Yong Jin Jeong, and Il-Doo Kim*    
ACS Nano 2019, 13, 6071-6082.

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35.     Metal-Organic Frameworks for Chemiresistive Sensors

Won-Tae Koo, Ji-Soo Jang, and Il-Doo Kim*       
Chem 2019, 5, 1938-1963. (Invited Review)

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34.     Heterogeneous Metal Oxide-Graphene Thorn-Bush Single Fiber as 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 2019, 11, 10208-10217.

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33.     Pt-Functionalized PdO Nanowires for Room Temperature Hydrogen Gas Sensors

Hee-Jin Cho, Vivian Chen, Won-Tae Koo, Reginald M. Penner,* and Il-Doo Kim*       
ACS Sensors 2018, 3, 2152-2158. (Supplementary Cover-Featured)

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32.     Crumpled Graphene Oxide Templating: Facile Synthesis of Morphology Engineered SnO2 Nanofibers

for Superior Chemiresistor

Dong-Ha Kim, Ji-Soo Jang, Won-Tae Koo, and Il–Doo Kim*        
Journal of Materials Chemistry A 2018, 6, 13825-13834.

 

31.     Ultra-Stable Glass-Fabric Reinforced Ag Nanowire/Siloxane Composite Heater Substrate: Sensitive Flexible Sensing

Platform for Sub-10 nm Metal@Metal Oxide Nanosheet

Ji-Soo Jang,† Young-Woo Lim,† Dong-Ha Kim,† Daewon Lee, Won-Tae Koo, Hyunhwan Lee, Byeong-Soo Bae,*

and Il–Doo Kim*       
Small 2018, 4, 1802260, (Front Cover-Featured)

 

30.     Chitosan-Templated Pt Nanocatalyst Loaded Mesoporous SnO2 Nanofibers:

Superior Chemiresistor toward Acetone Molecules

Yong-Jin Jung, Won-Tae Koo, Ji-Soo Jang, Dong-Ha Kim, Hee-Jin Cho, and Il–Doo Kim*        
Nanoscale 2018, 10, 13713-13721.

 

29.     In-Situ Coupling of Multidimensional MOFs for Heterogeneous Metal Oxide Architectures: Toward Sensitive Chemiresistor

Ji-Soo Jang, Won-Tae Koo, Dong-Ha Kim, and Il–Doo Kim*        
ACS Central Science 2018, 4, 929-937.

 

28.     Few-Layered WS2 Confined in Co, N-Doped Hollow Carbon Nanocages: Abundant WS2 Edges

for Highly Sensitive NO2 Sensing

Won-Tae Koo, Jun-Hwi Cha, Ji-Won Jung, Seon-Jin Choi, Ji-Soo Jang, Dong-Ha Kim, and Il–Doo Kim*        
Advanced Functional Materials 2018, 28, 1802575. (Frontispiece-Featured)

 

27.     Perovskite La0.75Sr0.25Cr0.5Mn0.5O3–δ Sensitized SnO2 Fiber-in-Tube Scaffold:

Highly Selective and Sensitive Formaldehyde Sensing

Joon-Young Kang, Ji-Soo Jang, Won-Tae Koo, Jongsu Seo, Yoonseok Choi, Min-Hyeok Kim, Dong-Ha Kim, Hee-Jin Cho, WooChul Jung, and Il-Doo Kim*
Journal of Materials Chemistry A 2018, 6, 10543-10551.

 

26.     Feasible Defect Engineering by Employing MOF Templates into One-Dimensional Metal Oxides for Battery Applications

Jun Young Cheong,† Won-Tae Koo (co-first author),† Chanhoon Kim, Ji-Won Jung, and Il–Doo Kim*
ACS Applied Materials & Interfaces 2018, 10, 20540-20549.

 

25.     Hierarchical Metal-Organic Framework Assembled Membrane Filter for Efficient  Removal of Particulate Matter

Won-Tae Koo, Ji-Soo Jang, Shaopeng Qiao, Wontae Hwang, Gaurav Jha, Reginald M. Penner, and Il-Doo Kim*
ACS Applied Materials & Interfaces 2018, 10, 19957-19963.

 

24.     An Impedance-Transduced Chemiresistor with a Porous Carbon Channel for Rapid, Nonenzymatic, Glucose Sensing

Alana F. Ogata, Seok-Won Song, Su-Ho Cho, Won-Tae Koo, Ji-Soo Jang, Yong Jin Jeong, Min-Hyeok Kim, Jun Young Cheong, Reginald M. Penner,* Il-Doo Kim*
Analytical Chemistry 2018, 90, 9338-9346.

 

23.     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  2018, 273, 1269-1277.

 

22.     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 2018, 90, 8769-8775. (Front Cover-Featured)

 

21.     Bio-inspired Cocatalysts Decorated WO3 Nanotube Scaffold toward Unparalled Hydrogen Sulfide Chemiresistor

Dong-Ha Kim, Ji-Soo Jang, Won-Tae Koo, Seon-Jin Choi, Hee-Jin Cho, Min-Hyeok Kim, and Il-Doo Kim*
ACS Sensors 2018, 3, 1164-1173.

 

20.     Bi-Modally Porous WO3 Microbelts Functionalized with Pt Catalyst 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 2018, 10, 20643-20651.

 

19.     Nanoscale Pt Catalysts Loaded SnO2 Multichannel Nanofibers toward Highly Sensitive Acetone Sensor

Yong-Jin Jung, Won-Tae Koo, Ji-Soo Jang, Dong-Ha Kim, Min-Hyeok Kim, and Il-Doo Kim*
ACS Applied Materials & Interfaces 2018, 10, 2016–2025.

 

18.     Hierarchically Interconnected Porosity Control of Catalyst-loaded WO3 Nanofiber Scaffold:

Superior Acetone Sensing Layers for Early Diagnosis of Diabetes

Dong-Ha Kim, Ji-Soo Jang, Won-Tae Koo, Seon-Jin Choi, Sang-Joon Kim, and Il-Doo Kim*

Sensors and Actuators B: Chemical 2018, 259, 616–625.

 

17.     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 2017, 9, 39464–39474.

 

16.     Metal-Organic Framework Templated PdO-Co3O4 Nanocubes Functionalized by SWCNTs:

 Improved NO2 Reaction Kinetics on Flexible Heating Film

Seon-Jin Choi, Hak-Jong Choi, Won-Tae Koo, Daihong Huh, Heon Lee, and Il-Doo Kim*
ACS Applied Materials & Interfaces 2017, 9, 40593–40603.

 

15.     MOF Derived ZnCo2O4 Porous Hollow Spheres Functionalized with Ag Nanoparticles

for a Long-Cycle and High-Capacity Lithium Ion Battery Anode

 Won-Tae Koo (co-first author),† Hye-Yeon Jang,† Chanhoon Kim, Ji-Won Jung, Jun Young Cheong, and Il–Doo Kim*

Journal of Materials Chemistry A 2017, 5, 22717–22725.

 

14.     Accelerating Palladium Nanowire H2 Sensors Using Engineered Nanofiltration

Won-Tae Koo, Shaopeng Qiao, Alana F. Ogata, Gaurav Jha, Ji–Soo Jang, Vivian Chen, Il–Doo Kim*, and Reginald M. Penner*

ACS Nano 2017, 11, 9276–9285. (Front Cover-Featured)

 

13.     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 2017, 139, 11868–11876.

 

12.     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-Tae Koo, Harry L. Tuller, and Il-Doo Kim*

Advanced Materials 2017, 29, 1700737. (Front Cover-Featured)

 

11.     Electrospun Nanostructures for High Performance Chemical Sensors (Invited Review)

Seon-Jin Choi, Luana Persano, Andrea Camposeo, Ji-Soo Jang, Won-Tae Koo, Sang-Joon Kim, Hee-Jin Cho,

Il-Doo Kim*, and Dario Pisignano*

Macromolecular Materials and Engineering 2017, Special issue, 1600569 (Front Cover-Featured)

 

10.     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 2017, 9, 18069-18077.

 

9.      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 2017, 9, 24821–24829.

 

8.      Nanoscale PdO Catalyst Functionalized Co3O4 Hollow Nanocages using ZIF-67 Templates for Selective Detection

of Acetone Molecules in Exhaled Breath

Won-Tae Koo, Sunmoon Yu, Seon-Jin Choi, Ji-Soo Jang, Jun Young Cheong, and Il-Doo Kim*

ACS Applied Materials & Interfaces 2017, 9, 8201-8210.

 

7.      Metal-Organic Framework Templated Synthesis of Ultrasmall Catalyst Loaded ZnO/ZnCo2O4 Hollow Spheres

for Enhanced Gas Sensing Properties

 Won-Tae Koo, Seon-Jin Choi, Ji-Soo Jang and Il-Doo Kim*

Scientific Reports 2017, 7, 45074.

 

6.      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, 2016, 12, 5989–5997.

 

5.      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 and Il-Doo Kim*

Journal of the American Chemical Society 2016, 138, 13431–13437.

 

4.      Hybrid Crystalline-ITO/Metal Nanowire Mesh Trans-parent Electrodes and Their Application

for Highly Flexible Perovskite Solar Cells

Hyeon-Gyun Im, Seonju Jeong, Jungho Jin, Jaemin Lee, Doo-Young Youn, Won-Tae Koo, Sin-Bi Kang, Hyo-Joong Kim,
Junho Jang, Daewon Lee, Han-Ki Kim, Il-Doo Kim, Jung-Yong Lee*, and Byeong-Soo Bae*

NPG Asia Materials 2016, 8, 282.

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3.      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 2016, 224, 185–192. 

 

2.      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 2016, 223, 301–310.

 

1.      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 2015, 51, 2609–2612.

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