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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. 

Submitted

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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*

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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*

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Self-doped metal chalcogenide colloidal quantum dots exhibiting mid-IR intraband transitions

Jin Hyeok Lee, Dongsun Choi, Hyeong Seok Kang, Kwang Seob Jeong*

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화학세계 2024년도 4월호

2024년도 4월호

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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)

doi: 10.1039/D4CC00859F

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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*

Commun. Mater., 2024, 5, 60

doi: 10.1038/s43246-024-00499-z

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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*

J. Phys. Chem. C  2024, 128, 1, 268–278

doi: 10.1021/acs.jpcc.3c06944

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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* 

ACS Appl. Nano Mater. 2023, 6, 23, 22488-22495

doi: 10.1021/acsanm.3c05043

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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 *

ACS Nano 2023, 17, 17, 16895-16903

doi: 10.1021/acsnano.3c03911

Ultranarrow Mid-infrared Quantum Plasmon Resonance of Self-Doped Silver Selenide Nanocryst

Quantum Dot Materials for Mid-IR Photodetection: Opinion

Haemin Song, Yadviga Tischenko, Daniel Wasserman and Kwang Seob Jeong* 

Opt. Mater. Exp. 2023, 13, 5, 1328–1334

doi: 10.1364/OME.489877

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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

J. Phys. Chem. C  2023, 127, 4, 1937–1943

doi: 10.1021/acs.jpcc.2c07484

Orientation-Dependent Image Dipole Interaction for the Tuning of the Excitonic Properties

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*

J. Phys. Chem. Lett. 2022, 13, 26, 6138–6146

doi:  10.1021/acs.jpclett.2c01179

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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

CrystEngComm, 2022, 24, 3828-3840 (Invited)

doi: 10.1039/D2CE00312K

Intraband Transition and Localized Surface Plasmon Resonance of Metal Chalcogenides Nanocr

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

J. Phys. Chem. Lett.  2022, 13, 6, 1431-1437

doi: 10.1021/acs.jpclett.1c04154

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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*

Nanotechnology. 2022, 33, 1

doi:10.1088/1361-6528/ac47d3

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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

doi: 10.1002/adom.202102050

Selected as a Back Cover Image

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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*

Nano Lett. 2021, 21, 19, 8073-8079

doi: 10.1021/acs.nanolett.1c02407

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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)

doi: 10.1021/acs.jpclett.1c00142

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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*

Matter. 2021, 4 (3), 1072-1086

doi: 10.1016/j.matt.2020.12.026

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Transformation of Colloidal Quantum Dot: From Intraband to Localized Surface Plasmon Resonance

Juhee Son†, Dongsun Choi†, Mihyeon Park, Juyeong Kim, and Kwang Seob Jeong*

Nano Lett. 2020, 20 (7), 4985-4992

doi: 10.1021/acs.nanolett.0c01080

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Cesium Lead Bromide Quantum Dot Light-Emitting Field-Effect Transistor

Dae-Kyu Kim†, Dongsun Choi†, Mihyeon Park, Kwang Seob Jeong* and Jong-Ho Choi*

ACS Appl. Mater. Interfaces. 2020, 12(19), 21944-21951

doi: 10.1021/acsami.0c06904

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Midwavelength Infrared Photoluminescence and Lasing of Tellurium Elemental Solid and Microcrystals

Dongsun Choi† and Kwang Seob Jeong*

J. Phys. Chem. Lett. 2019, 10, 4303-4309

doi: 10.1021/acs.jpclett.9b01523

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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.

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Multifunctional Self-doped Nanocrystal TFT Sensor

Dongsun Choi, Mihyeon Park, Juyeon Jeong, Hang-Beum Shin, Yun Chang Choi and Kwang Seob Jeong*

ACS Appl. Mater. Interfaces. 2019, 11, 7242-7249

doi: 10.1021/acsami.8b16083

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Self-doped Colloidal Semiconductor Nanocrystals with Intraband Transitions in Steady State

Jihye Kim†, Dongsun Choi† and Kwang Seob Jeong*

Chem. Commun. 2018, 54, 8435-8445

doi: 10.1039/C8CC02488J

 

** 2018 Emerging Investigators

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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.

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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*

Chem. Mater.  2017, 29, 8548-8554

 

doi:10.1021/acs.chemmater.7b03813

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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*

RSC Adv. 2017, 7, 38166-38170

doi:10.1039/C7RA07193K

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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*

Sci.Rep. 2017, 7, 5710

 

doi: 10.1038/s41598-017-06181-4

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Singly and Doubly Occupied Quantum States in Nanocrystals

Juyeon Jeong, Bitna Yoon, Young-Wan Kwon*, Dongsun Choi and Kwang Seob Jeong*

Nano Lett. 2017, 17, 1187-1193

 

doi: 10.1021/acs.nanolett.6b04915

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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*

Anal. Chem. 2016, 88, 8232-8238

 

doi: 10.1021/acs.analchem.6b02076

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Higher Quantum State Transitions in Colloidal Quantum Dot with Heavy Electron Doping

Bitna Yoon, Juyeon Jeong and Kwang Seob Jeong*

J. Phys. Chem. C. 2016, 120, 22062-22068

 

doi: 10.1021/acs.jpcc.6b07331

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Mid-Infrared Photoluminescence of CdS and CdSe Colloidal Quantum Dots

Kwang Seob Jeong and Philippe Guyot-Sionnest*

ACS Nano, 2016, 10, 2225-2231

 

doi: 10.1021/acsnano.5b06882

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Colloidal Quantum Dots Intraband Photodetectors

Zhiyou Deng, Kwang Seob Jeong, and Philippe Guyot-Sionnest*

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Air-stable n-Doped Colloidal HgS Quantum Dots

J. Phys. Chem. Lett. 2014, 5, 1139–1143

doi: 10.1021/jz500436x

* The first paper reporting the self-doped quantum dot exhibiting the steady-state intraband transition.

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Vibrational Spectroscopy of Electronic Processes in Emerging Photovoltaic Materials

Kwang S. Jeong, Ryan D. Pensack and John B. Asbury*

Acc. Chem. Res. 2013, 46, 1538-1547

 

doi: 10.1021/ar300300m

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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*

J. Phys. Chem. B. 2013, 117, 15866-15874

† Equal contribution

 

doi:10.1021/jp408537p

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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*

ACS Nano. 2012, 6, 89-99

 

doi:10.1021/nn2039164

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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*

Nature Materials. 2011, 10, 765-771

doi:10.1038/nmat3118

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