Zobrazeno 1 - 10
of 38
pro vyhledávání: '"Yong Kook Choi"'
Autor:
Kyung-Jun Hwang, Gunwoo Kim, Dong-Won Park, Chulmin Choi, Young Jin Kim, Sungho Jin, Yonkil Jeong, Yong-Kook Choi
Publikováno v:
Nano Energy. 16:383-388
Dye-sensitized solar cells (DSCs) were statistically investigated on TiO 2 thickness and dye-mass dependence. The DSC devices exhibited a trend of performance saturation from an approximately 15 μm TiO 2 thickness with 10 −7 mol/cm 2 dye-mass, whi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c7c80323e940b22b48b92a126cb5580e
https://doi.org/10.1016/j.nanoen.2015.07.016
https://doi.org/10.1016/j.nanoen.2015.07.016
Publikováno v:
Electrochimica Acta. 107:619-623
a b s t r a c t Photoelectrochemical properties of TiO2 thin films via co-catalyst sol-gel reaction for dye-sensitized solar cells (DSSCs) were investigated. Three different types of nanocrystalline TiO2 thin films were fabricated from the hydrolysis
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4641d6ca3c488bb89a3df023459daa5a
https://doi.org/10.1016/j.electacta.2013.04.117
https://doi.org/10.1016/j.electacta.2013.04.117
Autor:
Yong-Kook Choi, Kyung-Jun Hwang, Hee Dong Jang, Jai Koo Park, Dong-Won Park, Jae-Wook Lee, Seung-Joon Yoo, Hyung-Sang Park
Publikováno v:
Advanced Powder Technology. 22:771-776
Crystalline size and porosity of TiO2 films are known to be easily controlled by changing acid or base catalyst concentration. This work investigates the influence of acid/base catalyst treatments of TiO2 nanoparticles on the efficiency of dye-sensit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::60eaf1b1d8bee1b0f7b46b5c81470a1f
https://doi.org/10.1016/j.apt.2010.11.003
https://doi.org/10.1016/j.apt.2010.11.003
Publikováno v:
Journal of the Korean Chemical Society. 52:668-675
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9ab296d0412360fd4642273a8ec4711b
https://doi.org/10.5012/jkcs.2008.52.6.668
https://doi.org/10.5012/jkcs.2008.52.6.668
Publikováno v:
Journal of the Korean Chemical Society. 52:676-683
The commercialized lithium ion secondary batteries using binary mixtures as co-solvent of electrolyte ha O an excellent energy density and cycle performance at room temperature. However, one of disadvantages related to the use of the binary mixtures
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a498922963dbec40485d3319aa003373
https://doi.org/10.5012/jkcs.2008.52.6.676
https://doi.org/10.5012/jkcs.2008.52.6.676
Publikováno v:
Journal of Nanoscience and Nanotechnology. 7:3722-3726
Quasi-solid-state dye-sensitized solar cell was fabricated by sandwiched polymer electrolyte containing liquid electrolytes between the dye-sensitized TiO2 electrode and a Pt electrode. The influence of hydrochloric acid treatment of TiO2 photoelectr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7bf67f794e9b32f8ef01dbd082f3bc73
https://doi.org/10.1166/jnn.2007.005
https://doi.org/10.1166/jnn.2007.005
Publikováno v:
Journal of Nanoscience and Nanotechnology. 7:4154-4157
A planar type Li+ ion based potentiometric CO2 micro gas sensor of size 2 × 3 mm has been fabricated on alumina substrate by combining thin and thick film technology. The heater, electrodes and electrolyte were deposited by thin film deposition tech
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3ddfe9c94a1e5646c9d581c97fc4d48f
https://doi.org/10.1166/jnn.2007.18094
https://doi.org/10.1166/jnn.2007.18094
Publikováno v:
Bulletin of the Korean Chemical Society. 27:82-86
Propylene Carbonate (PC) has the interesting properties of being able to dissolve and dissociate lithium salts, thus leading to highly conducting electrolytes even at low temperatures. Moreover, electrolytes that contain PC are stable against oxidati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c1a212023455e6d965905629413657c9
https://doi.org/10.5012/bkcs.2006.27.1.082
https://doi.org/10.5012/bkcs.2006.27.1.082
Autor:
Soon Ki Rhee, Jongseob Kim, Jong Keun Park, Shaul Mukamel, Woo-Seong Kim, Yong Kook Choi, Jin Yong Lee
Publikováno v:
The Journal of Physical Chemistry B. 109:2686-2692
We investigate the structures, NMR chemical shifts, absorption spectra, frontier molecular orbitals, and transition density matrices of pi-stacked polyfluorenes by ab initio calculations. For F1-F4, we consider two different conformations, syn and an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f92f17b2455050d43ac16a5dcde83347
https://doi.org/10.1021/jp045808a
https://doi.org/10.1021/jp045808a
Publikováno v:
Journal of Electroanalytical Chemistry. 566:263-267
One of the most important problems in utilizing lithium metal anodes is its poor recharge-ability due to the unstable solid electrolyte layer formed by electrolyte decomposition. To overcome this problem, the surface of the lithium electrode is cover
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c249d367add0bbb25db636fe206c3982
https://doi.org/10.1016/j.jelechem.2003.11.035
https://doi.org/10.1016/j.jelechem.2003.11.035