Search Results - "Na, Seok‐In"

Refine Results
  1. 1

    Photonic Organolead Halide Perovskite Artificial Synapse Capable of Accelerated Learning at Low Power Inspired by Dopamine‐Facilitated Synaptic Activity by Ham, Seonggil, Choi, Sanghyeon, Cho, Haein, Na, SeokIn, Wang, Gunuk

    Published in Advanced functional materials (01-02-2019)
    “…The ability of high‐order tuning of the synaptic plasticity in an artificial synapse can offer significant improvement in the processing time, low‐power…”
    Get full text
    Journal Article
  2. 2

    Slot‐Die and Roll‐to‐Roll Processed Single Junction Organic Photovoltaic Cells with the Highest Efficiency by Lee, Jeongjoo, Seo, You‐Hyun, Kwon, Sung‐Nam, Kim, Do‐Hyung, Jang, Seokhoon, Jung, Hyeonwoo, Lee, Youngu, Weerasinghe, Hasitha, Kim, Taehyo, Kim, Jin Young, Vak, Doojin, Na, SeokIn

    Published in Advanced energy materials (01-09-2019)
    “…The record efficiency of the state‐of‐the‐art polymer solar cells (PSCs) is rapidly increasing, due to the discovery of high‐performance photoactive donor and…”
    Get full text
    Journal Article
  3. 3

    Efficient and Flexible ITO-Free Organic Solar Cells Using Highly Conductive Polymer Anodes by Na, Seok-In, Kim, Seok-Soon, Jo, Jang, Kim, Dong-Yu

    Published in Advanced materials (Weinheim) (03-11-2008)
    “…ITO‐free organic solar cells are fabricated on glass and on flexible substrates. The efficiencies of these cells on glass and plastic substrates (3.27% and…”
    Get full text
    Journal Article
  4. 4

    High Performance Roll‐to‐Roll Produced Fullerene‐Free Organic Photovoltaic Devices via Temperature‐Controlled Slot Die Coating by Na, SeokIn, Seo, You‐Hyun, Nah, Yoon‐Chae, Kim, Seok‐Soon, Heo, Hyojung, Kim, Jueng‐Eun, Rolston, Nicholas, Dauskardt, Reinhold H., Gao, Mei, Lee, Youngu, Vak, Doojin

    Published in Advanced functional materials (01-02-2019)
    “…Solution‐processed organic photovoltaics (OPVs) have continued to show their potential as a low‐cost power generation technology; however, there has been a…”
    Get full text
    Journal Article
  5. 5

    Suppressing Redox Reactions at the Perovskite‐Nickel Oxide Interface with Zinc Nitride to Improve the Performance of Perovskite Solar Cells by Mann, Dilpreet Singh, Kwon, Sung‐Nam, Thakur, Sakshi, Patil, Pramila, Jeong, Kwang‐Un, Na, SeokIn

    “…For p‐i‐n perovskite solar cells (PSCs), nickel oxide (NiOx) hole transport layers (HTLs) are the preferred interfacial layer due to their low cost, high…”
    Get full text
    Journal Article
  6. 6

    Locally Supersaturated Inks for a Slot‐Die Process to Enable Highly Efficient and Robust Perovskite Solar Cells by Sangale, Sushil S., Kwon, Sung‐Nam, Patil, Pramila, Lee, Hyun‐Jung, Na, SeokIn

    Published in Advanced energy materials (01-09-2023)
    “…Perovskite solar cells (PSCs), which debuted with a lot of attention based on high efficiency, are establishing as one of the most promising thin‐film…”
    Get full text
    Journal Article
  7. 7

    Plasmon enhanced performance of organic solar cells using electrodeposited Ag nanoparticles by Kim, Seok-Soon, Na, Seok-In, Jo, Jang, Kim, Dong-Yu, Nah, Yoon-Chae

    Published in Applied physics letters (18-08-2008)
    “…To enhance solar harvesting in organic solar cells, uniform-sized metal nanoparticles of ∼ 13   nm were incorporated to the device via pulse-current…”
    Get full text
    Journal Article
  8. 8

    Water-Soluble Polyfluorenes as an Interfacial Layer Leading to Cathode-Independent High Performance of Organic Solar Cells by Oh, Seung-Hwan, Na, Seok-In, Jo, Jang, Lim, Bogyu, Vak, Doojin, Kim, Dong-Yu

    Published in Advanced functional materials (23-06-2010)
    “…Novel poly[(9,9‐bis((6′‐(N,N,N‐trimethylammonium)hexyl)‐2,7‐fluorene)‐alt‐(9,9‐bis(2‐(2‐(2‐methoxyethoxy)ethoxy)ethyl)‐9‐fluorene)) dibromide (WPF‐6‐oxy‐F) and…”
    Get full text
    Journal Article
  9. 9

    Solution-Processable Reduced Graphene Oxide as a Novel Alternative to PEDOT:PSS Hole Transport Layers for Highly Efficient and Stable Polymer Solar Cells by Yun, Jin-Mun, Yeo, Jun-Seok, Kim, Juhwan, Jeong, Hyung-Gu, Kim, Dong-Yu, Noh, Yong-Jin, Kim, Seok-Soon, Ku, Bon-Cheol, Na, Seok-In

    Published in Advanced materials (Weinheim) (09-11-2011)
    “…The preparation of a reduced graphene oxide (pr‐Go) is with a novel p‐TosNHNH2 reductant is demonstrated for use as an efficient anode interfacial layer for…”
    Get full text
    Journal Article
  10. 10

    Polarization‐Dependent and Color‐Tunable Electrochromic Smart Windows: Uniaxially Oriented and Polymer‐Stabilized Viologen‐Based Liquid Crystal Networks by Pham, Huan Huu, Rim, Minwoo, Wi, Youngjae, Ko, Hyeyoon, Yu, Dongmin, Hyeong, Jaeseok, Tran, Duy Thanh, Ha, Minjeong, Na, SeokIn, Jeong, Kwang‐Un

    Published in Advanced functional materials (01-09-2024)
    “…Viologen‐based reactive mesogen (VRM) is newly designed and synthesized for the development of polarization‐dependent, color‐tunable, and transparent…”
    Get full text
    Journal Article
  11. 11

    Time‐Dependent Morphology Evolution by Annealing Processes on Polymer:Fullerene Blend Solar Cells by Jo, Jang, Kim, Seok‐Soon, Na, SeokIn, Yu, Byung‐Kwan, Kim, Dong‐Yu

    Published in Advanced functional materials (24-03-2009)
    “…Changes in the nanoscale morphologies of the blend films of poly (3‐hexylthiophene) (P3HT) and [6,6]‐phenyl‐C61‐butyric acid methyl ester (PCBM), for…”
    Get full text
    Journal Article
  12. 12

    Three‐Dimensional Bulk Heterojunction Morphology for Achieving High Internal Quantum Efficiency in Polymer Solar Cells by Jo, Jang, Na, SeokIn, Kim, Seok‐Soon, Lee, Tae‐Woo, Chung, Youngsu, Kang, Seok‐Ju, Vak, Doojin, Kim, Dong‐Yu

    Published in Advanced functional materials (10-08-2009)
    “…Here, an investigation of three‐dimensional (3D) morphologies for bulk heterojunction (BHJ) films based on regioregular poly(3‐hexylthiophene) (P3HT) and…”
    Get full text
    Journal Article
  13. 13

    Efficient Polymer Solar Cells with Surface Relief Gratings Fabricated by Simple Soft Lithography by Na, Seok-In, Kim, Seok-Soon, Jo, Jang, Oh, Seung-Hwan, Kim, Juhwan, Kim, Dong-Yu

    Published in Advanced functional materials (22-12-2008)
    “…Polymer‐based photovoltaic cells, with periodic sub‐micrometer structures as an efficient light‐trapping scheme, are investigated to improve the performance of…”
    Get full text
    Journal Article
  14. 14

    Mechanical flexibility of transparent PEDOT:PSS electrodes prepared by gravure printing for flexible organic solar cells by Cho, Chung-Ki, Hwang, Woo-Jin, Eun, Kyoungtae, Choa, Sung-Hoon, Na, Seok-In, Kim, Han-Ki

    Published in Solar energy materials and solar cells (01-12-2011)
    “…The mechanical flexibility of transparent poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) films printed onto a flexible PET substrate using…”
    Get full text
    Journal Article
  15. 15

    Exfoliated and Partially Oxidized MoS2 Nanosheets by One-Pot Reaction for Efficient and Stable Organic Solar Cells by Yun, Jin-Mun, Noh, Yong-Jin, Lee, Cheol-Ho, Na, Seok-In, Lee, Sungho, Jo, Seung Mu, Joh, Han-Ik, Kim, Dong-Yu

    “…A facile and efficient synthesis of a solution‐processable MoO3/MoS2 featuring uniformly decorated MoO3 nanoparticles onto exfoliated MoS2 nanosheets is…”
    Get full text
    Journal Article
  16. 16

    Fabrication of organic bulk heterojunction solar cells by a spray deposition method for low-cost power generation by Vak, Doojin, Kim, Seok-Soon, Jo, Jang, Oh, Seung-Hwan, Na, Seok-In, Kim, Juhwan, Kim, Dong-Yu

    Published in Applied physics letters (20-08-2007)
    “…The authors report on a spray deposition method as a cost-efficient technique for the fabrication of organic solar cells (OSCs). Active layers of OSCs were…”
    Get full text
    Journal Article
  17. 17

    Synthesis and Photovoltaic Properties of Benzotrithiophene-Based Polymer/Non-fullerene Solar Cells by Kim, Hyokwon, Choi, Da-Seul, Na, Seok-In, Zong, Kyukwan

    Published in Journal of electronic materials (01-11-2021)
    “…We designed and synthesized two benzotrithiophene (BTT)-based copolymers,…”
    Get full text
    Journal Article
  18. 18

    Inverted polymer solar cells including ZnO electron transport layer fabricated by facile spray pyrolysis by Noh, Yong-Jin, Na, Seok-In, Kim, Seok-Soon

    Published in Solar energy materials and solar cells (01-10-2013)
    “…Efficient inverted polymer solar cells (PSCs) were fabricated with ZnO electron transport layers (ETLs) prepared by spray pyrolysis, which is a simple and cost…”
    Get full text
    Journal Article
  19. 19

    Characteristics of indium-free GZO/Ag/GZO and AZO/Ag/AZO multilayer electrode grown by dual target DC sputtering at room temperature for low-cost organic photovoltaics by Park, Ho-Kyun, Kang, Jae-Wook, Na, Seok-In, Kim, Don-Yu, Kim, Han-Ki

    Published in Solar energy materials and solar cells (01-11-2009)
    “…We compared the electrical, optical, structural and surface properties of indium-free Ga-doped ZnO (GZO)/Ag/GZO and Al-doped ZnO (AZO)/Ag/AZO multilayer…”
    Get full text
    Journal Article
  20. 20