Publications
Submitted
Song et al.
Submitted
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Submitted
Lee et al.
Submitted
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Submitted
Lee et al.
Submitted
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Submitted
Han et al.
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Under revision
Choi et al.
Submitted
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Extended Short-wavelength Infrared Ink by Surface Tuned Silver Telluride Colloidal Quantum Dots and their Infrared Photodetection
Gahyeon Kim†, Dongsun Choi†, So Young Eom, Eui Dae Jung, Jin Hyeok Lee, Benjamin Rehl, Si Yu Kim, Sjoerd Hoogland, Edward H. Sargent*, and Kwang Seob Jeong*
Silver Telluride Colloidal Quantum Dot Solid for Fast Extended Shortwave Infrared Photodetector
Yongnam Ahn†, So Young Eom†, Gahyeon Kim, Jin Hyeok Lee, Beomkwan Kim, Dongeon Kim, Min-Jae Si, Minjung Yang, Yujin Jung, Bo Seon Kim, Yoon Jang Chung, Kwang Seob Jeong*, and Se-Woong Baek*
Self-doped metal chalcogenide colloidal quantum dots exhibiting mid-IR intraband transitions
Jin Hyeok Lee, Dongsun Choi, Hyeong Seok Kang, Kwang Seob Jeong*
SPIE Proceedings, Volume 13127,
Physical Chemistry of Semiconductor Materials and Interfaces XXIII; 1312702 (2024)
SPIE, Organic Photonics + Electronics, 2024
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Effect of Incorporation of Gallium Ion into Silver Indium Sulfide Nanocrystals
Jiyeon Ban†, So Young Eom†, Hak June Lee, Mai Ngoc An, Beomsu Cho, Yong Ho Lee, Wan Ki Bae and Kwang Seob Jeong*
Chem. Commun. 2024, 60, 5731 - 5734 (2024 Pioneering Investigator, Invited research article)
Narrow Bandgap Silver Mercury Telluride Alloy Semiconductor Nanocrystal for Self-powered Mid-wavelength Infrared Photodiode
Haemin Song†, So Young Eom†, Gahyeon Kim†, Yoon Seo Jung, Dongsun Choi, Gundam Sandeep Kumar, Jin Hyeok Lee, Hyeong Seok Kang, Jiyeon Ban, Gyeong Won Seo, Sungmin Hong, Sooho Bae, Gyu Weon Hwang, Woong Kim and Kwang Seob Jeong*
Unveiling Ultrafast Carrier Dynamics of Tellurium Microcrystals by Two-color Asynchronous Sampling Infrared Transient Absorption Spectroscopy
Hyunmin Jang, Noh Soo Han, Gahyeon Kim, Kwang Seob Jeong*, Tai Hyun Yoon*, Minhaeng Cho*
Room Temperature Synthesis of Self-Doped Silver Selenide Quantum Dots Sensitive to Mid-infrared Light
Mai Ngoc An†, So Young Eom†, Jihyeok Lee, Haemin Song, Minhaeng Cho, and Kwang Seob Jeong*
Ultranarrow Mid-infrared Quantum Plasmon Resonance of Self-Doped Silver Selenide Nanocrystal
Haemin Song, Jin Hyeok Lee, So Young Eom, Dongsun Choi, and Kwang Seob Jeong *
Quantum Dot Materials for Mid-IR Photodetection: Opinion
Haemin Song, Yadviga Tischenko, Daniel Wasserman and Kwang Seob Jeong*
Orientation-Dependent Image Dipole Interaction for the Tuning of the Excitonic Properties of CdSe Nanoplatelets
Kwang Jin Lee†, Rajesh Bera†, Jooyoun Kang, Kwang Seob Jeong*, and Minhaeng Cho*
† contributed equally
Intraband Transitions of Nanocrystals Transforming from Lead Selenide to Self-doped Silver Selenide Quantum Dots by Cation Exchange
Rajesh Bera, Dongsun Choi, Yoon Seo Jung, Haemin Song and Kwang Seob Jeong*
Intraband Transition and Localized Surface Plasmon Resonance of Metal Chalcogenides Nanocrystals and their Dependence on Crystal Structure
Mai Ngoc An,† Haemin Song,† and Kwang Seob Jeong*
† contributed equally
Midwavelength Infrared Colloidal Nanowire Laser
Gahyeon Kim†, Dongsun Choi†, Soo Yeon Chae, Rajesh Bera, Seongchul Park, Junho Lee, Su Hyeon Min, Han-Kyu Choi, Juyeong Kim, Joonsuk Huh, Kihang Choi, Manho Lim, Hugh I. Kim, Minhaeng Cho and Kwang Seob Jeong*
† contributed equally
High-sensitivity hybrid PbSe/ITZO thin film-based phototransistor detecting from 2100 nm to 2500 nm near-infrared illumination
Ali Sehpar Shikoh, Gi Sang Choi, Sungmin Hong, Kwang Seob Jeong* and Jaekyun Kim*
Tailoring Transition Dipole Moment in Colloidal Nanocrystal Thin Film on Nanocomposite Materials
Kwang Jin Lee, Gahyeon Kim, Joonhyung Lim, Sanghee Nah, Kwang Seob Jeong*, Minhaeng Cho*
Adv. Opt. Mater. 2022, 10, 4, 2102050
Selected as a Back Cover Image
Extended Short-Wavelength Infrared Photoluminescence and Photocurrent of Nonstoichiometric Silver Telluride Colloidal Nanocrystals
Gahyeon Kim, Dongsun Choi, So Young Eom, Haemin Song, and Kwang Seob Jeong*
Beyond the Bandgap Photoluminescence of Colloidal Semiconductor Nanocrystals
Rajesh Bera†, Gahyeon Kim†, Dongsun Choi, Jihye Kim, and Kwang Seob Jeong*
J. Phys. Chem. Lett. 2021, 12, 10, 2562-2569 (Invited Perspective)
Ultrafast Intraband Auger Process in Self-doped Colloidal Quantum Dots
Joonhyung Lim, Yun Chang Choi, Dongsun Choi, I-Ya Chang, Kim Hyeon-Deuk,
Kwang Seob Jeong*, Kyungwon Kwak *and Minhaeng Cho*
Transformation of Colloidal Quantum Dot: From Intraband to Localized Surface Plasmon Resonance
Juhee Son†, Dongsun Choi†, Mihyeon Park, Juyeong Kim, and Kwang Seob Jeong*
Cesium Lead Bromide Quantum Dot Light-Emitting Field-Effect Transistor
Dae-Kyu Kim†, Dongsun Choi†, Mihyeon Park, Kwang Seob Jeong* and Jong-Ho Choi*
Midwavelength Infrared Photoluminescence and Lasing of Tellurium Elemental Solid and Microcrystals
Dongsun Choi† and Kwang Seob Jeong*
Blue-emission of α-GaN Colloidal Quantum Dots via Zn Doping
Yun Chang Choi, Hyunjin Kim, Chiho Lee, Juhee Son, Hionsuck Baik, Sungnam Park, Jaekyun Kim, and Kwang Seob Jeong*
Chem. Mater. 2019, 31, 5370-5375
doi: 10.1021/acs.chemmater.8b05193
*One of 20 mist highly read (downloaded) papers in Chemistry of Materials in July 2019
*Selected as a cover article of Volume 31, August 2019.
Multifunctional Self-doped Nanocrystal TFT Sensor
Dongsun Choi, Mihyeon Park, Juyeon Jeong, Hang-Beum Shin, Yun Chang Choi and Kwang Seob Jeong*
Self-doped Colloidal Semiconductor Nanocrystals with Intraband Transitions in Steady State
Jihye Kim†, Dongsun Choi† and Kwang Seob Jeong*
Mid-infrared Intraband Transition of Metal Excess Colloidal Ag2Se Nanocrystals
Mihyeon Park†, Dongsun Choi†, Yoonchang Choi, Hang-beum Shin and Kwang Seob Jeong*
ACS Photonics, 2018, 5, 1907-1911
doi: 10.1021/acsphotonics.8b00291
*The first paper reporting non-toxic self-doped quantum dot.
Major Electronic Transition Shift from Bandgap to Localized Surface Plasmon Resonance in CdxHg1-xSe Alloy Nanocrystals
Dongsun Choi†, Bitna Yoon†, Dae-Kyu Kim, Hionsuck Baik, Jong-Ho Choi and Kwang Seob Jeong*
High Electron Mobility of β-HgS Colloidal Quantum Dot with Doubly Occupied Quantum States
Jaekyun Kim, Bitna Yoon, Jaehyun Kim, Yunchang Choi, Young-Wan Kwon, Sung Kyu Park* and Kwang Seob Jeong*
Nanoscale Control of Amyloid Self-Assembly Using Protein Phase Transfer by Host-Guest Chemistry
Tae Su Choi, Hong Hee Lee, Young Ho Ko, Kwang Seob Jeong, Kimoon Kim and Hugh I. Kim*
Singly and Doubly Occupied Quantum States in Nanocrystals
Juyeon Jeong, Bitna Yoon, Young-Wan Kwon*, Dongsun Choi and Kwang Seob Jeong*
Probing Distinct Fullerene Formation Processes from Carbon Precursors of Different Sizes and Structures
Jong Yoon Han, Tae Su Choi, Soyoung Kim, Jong Wha Lee, Yoonhoo Ha, Kwang Seob Jeong, Hyungjun Kim, Hee Cheul Choi, and Hugh I. Kim*
Higher Quantum State Transitions in Colloidal Quantum Dot with Heavy Electron Doping
Bitna Yoon, Juyeon Jeong and Kwang Seob Jeong*
Mid-Infrared Photoluminescence of CdS and CdSe Colloidal Quantum Dots
Kwang Seob Jeong and Philippe Guyot-Sionnest*
Colloidal Quantum Dots Intraband Photodetectors
Zhiyou Deng, Kwang Seob Jeong, and Philippe Guyot-Sionnest*
ACS Nano. 2014, 8, 11707-11714
Highlighted in Nature Materials 2014, 13, 1074
Highlighted in Nature Photonics 2015, 9, 7
Air-stable n-Doped Colloidal HgS Quantum Dots
J. Phys. Chem. Lett. 2014, 5, 1139–1143
* The first paper reporting the self-doped quantum dot exhibiting the steady-state intraband transition.
Vibrational Spectroscopy of Electronic Processes in Emerging Photovoltaic Materials
Kwang S. Jeong, Ryan D. Pensack and John B. Asbury*
Tuning the Dielectric Properties of Organic Semiconductors via Salt Doping
Xien Liu† Kwang S. Jeong†, Bryan P. Williams, Kiarash Vakhshouri, Changhe Guo, Kuo Han, Enrique D. Gomez, Qing Wang and John B. Asbury*
Enhanced Mobility-Lifetime Products in PbS Colloidal Quantum Dot Photovoltaics
Kwang S. Jeong, Jiang Tang, Huan Liu,, Jihye Kim, Andrew W. Schaefer, Kyle Kemp, Larissa Levina, Xihua Wang, Sjoerd Hoogland, RatanDebnath, Lukasz Brzozowski, Edward H. Sargent and John B. Asbury*
Colloidal Quantum Dot Photovoltaics Using Atomic Ligand Passivation
Jiang Tang, Kyle M. Kemp, Sjoerd Hoogland, Kwang S. Jeong, Huan Liu, Larissa Levina, Melissa Furukawa, Xihua Wang, Ratan Debnath, Dongkyu Cha, Kang Wei Chou, Armin Fischer, Aram Amassian, John B. Asbury and Edward H. Sargent*