Zobrazeno 1 - 10
of 163
pro vyhledávání: '"NAKJOONG KIM"'
Publikováno v:
Journal of Industrial and Engineering Chemistry. 65:104-111
We report tuning of energy bandgap of nanosized carbon dots by chemical modification with electron-accepting moieties. The carbon dot derivatives were synthesized by oxidation and hydrothermal reaction, followed by addition/substitution reactions, re
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2aef43cda4ecaac1633c2c613031bc14
https://doi.org/10.1016/j.jiec.2018.04.018
https://doi.org/10.1016/j.jiec.2018.04.018
Publikováno v:
Journal of Alloys and Compounds. 671:360-365
We report synthesis of colloidal nanocrystals based on ZnSe core, (Cu,Mn)-doped ZnS inner-shell, and ZnS outer-shell by using an eco-friendly method and their optical properties. Synthesis of core/shell/shell nanocrystals was performed by using a one
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9a919c118112a8d021caf93b73ee34f7
https://doi.org/10.1016/j.jallcom.2016.02.049
https://doi.org/10.1016/j.jallcom.2016.02.049
Autor:
Heeseok Song, Jongwan Choi, Soo Young Kim, Nakjoong Kim, Hyeok Jeong, Felix Sunjoo Kim, Kimyung Kim
Publikováno v:
Polymer Bulletin. 73:2477-2484
We synthesized pyrrolidinofullerenes functionalized with an electron donor or acceptor group via Prato reaction. Their structures were studied using 1H-NMR, FT-IR and MALDI-TOF mass spectrometry. The electronic energy levels were calculated using qua
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b848ffe71fc35470bb0bfd570bbbc1c7
https://doi.org/10.1007/s00289-016-1675-6
https://doi.org/10.1007/s00289-016-1675-6
Publikováno v:
Optics Letters. 45:6767
The ease of the molecular orientation of a chromophore has an important effect on the electro-optical (EO) properties of polymeric photorefractive (PR) composites. A derivative of 4-piperidinobenzylidene-malononitrile (PDCST) with an alkoxy group add
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::73a078f3429dee11016533348a075dda
https://doi.org/10.1364/ol.409743
https://doi.org/10.1364/ol.409743
Autor:
Jongwan Choi, Heeseok Song, Jinkee Hong, Jin-Woo Oh, Nakjoong Kim, Felix Sunjoo Kim, Moonhyun Choi
Publikováno v:
Journal of the Korean Physical Society. 67:1998-2002
We studied a series of fullerene derivatives, which had been functionalized by an electron-donating group (triphenylamine) or an electron-accepting group (cyanobenzene), for use as photosensitizers in photoconducting polymer composites. The functiona
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::365a10d88932fb4585412ed10ba9f701
https://doi.org/10.3938/jkps.67.1998
https://doi.org/10.3938/jkps.67.1998
Autor:
Jong-Sik Moon, Chuntae Kim, Han Young Woo, Mohammad Afsar Uddin, Won Geun Kim, Nakjoong Kim, Jin-Woo Oh, Ho Ik Ahn, Jongwan Choi
Publikováno v:
Organic Electronics. 25:206-211
Owing to their low cost, easy processing, and the possibility of flexible fabrication, polymer light-emitting diodes (PLEDs) are emerging as an important class of materials. Despite promising characteristics, the relatively easy ionization of the wel
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3508e8121fc5aa0298fe666c87c17f9e
https://doi.org/10.1016/j.orgel.2015.06.018
https://doi.org/10.1016/j.orgel.2015.06.018
Autor:
Hong-Minh Nguyen, Sung-Hwan Han, Mu-U. Naushad, T. Ganesh, Kwun Nam Hui, Rajaram S. Mane, Nakjoong Kim, Dipak V. Shinde, Sambhaji S. Bhande
Publikováno v:
Dalton Trans.. 43:11305-11308
Employing newly synthesized di-substituted tri-phenyl amine (HMP-9) and carbazole (HMP-11) dyes (with limited acidic carboxyl anchor groups), a power conversion efficiency as high as 7.03% in ZnO nanocrystallite (NC)-based dye-sensitized solar cells
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6132845596fd4c38074d88952d772bad
https://doi.org/10.1039/c4dt01179a
https://doi.org/10.1039/c4dt01179a
Publikováno v:
Bulletin of the Korean Chemical Society. 34:1077-1080
Fluorinated polymaleimides with high thermal stability and low optical absorption loss in the optical communication wavelength of were investigated for application in low-loss waveguide materials. The fluorinated polymaleimides were prepared from two
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::631db30ab3626d7cc53c4dde87c0c4b7
https://doi.org/10.5012/bkcs.2013.34.4.1077
https://doi.org/10.5012/bkcs.2013.34.4.1077
Publikováno v:
Macromolecular Research. 21:327-330
We report on a fast and efficient polymeric photorefractive (PR) device by using single-walled carbon nanotubes (SWCNTs) on indium-doped tin oxide (ITO) electrodes. In presence of SWCNTs, the magnitudes of photocurrent, space charge field, and refrac
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8c2a8920bcd737e5f67e566248eb1cf0
https://doi.org/10.1007/s13233-013-1117-3
https://doi.org/10.1007/s13233-013-1117-3