Zobrazeno 1 - 10
of 80
pro vyhledávání: '"Joong Chul Choe"'
Autor:
Joong Chul Choe
Publikováno v:
Astrobiology. 22:1363-1369
Autor:
Joong Chul Choe
Publikováno v:
Physical Chemistry Chemical Physics.
The potential energy surfaces for the formation of glycine (Gly) or its precursors, such as Gly radical cation and deprotonated Gly, starting from aminoacetonitrile (NH2CH2CN) or deprotonated aminoacetonitrile were determined...
Autor:
Joong Chul Choe
Publikováno v:
Bulletin of the Korean Chemical Society. 41:382-384
Autor:
Joong Chul Choe, Myung Hwa Kim
Publikováno v:
Chemical Physics Letters. 730:538-543
We report a theoretical study of unimolecular dissociation of the ethyl formate radical cation (C2H5OCHO+ ). The potential energy surface (PES) of its 14 dissociation reactions, including the formation of CH2CHC(OH)2+, CH2CH2CO+ , CH3CHCO+ , CH2OCHO+
Autor:
Sang Woo Kwak, Yongseog Chung, Ji Hye Lee, Youngjo Kim, Junseong Lee, Joong Chul Choe, Heuiseok Shin, Hyonseok Hwang, Min Kim, Myung Hwan Park, Moon Bae Kim, Ji Yeon Ryu, Kang Mun Lee
Publikováno v:
Inorganic Chemistry. 58:8056-8063
An approach to the design of a series of quinolinol-based indium complexes that can exhibit different optical properties is proposed. Mono-incorporated (Inq1 and InMeq1), bis-incorporated (InMeq2), and tris-incorporated (Inq3 and InMeq3) indium quino
Autor:
Joong Chul Choe
Publikováno v:
Chemical Physics Letters. 708:71-76
The potential energy surface (PES) for guanine formation from 4-aminoimidazole-5-carbonitrile (AICN) after adding H2O and cyanogen (NCCN) was determined from quantum chemical calculations using the CBS-QB3 method. Its activation energy was too high f
Autor:
Joong Chul Choe
Publikováno v:
The Astrophysical Journal. 914:136
Autor:
Hyun Moo Lee, Joong Chul Choe
Publikováno v:
Chemical Physics Letters. 675:6-10
The potential energy surfaces for the formation of glycine from HCN and H2O were determined from CBS-QB3 calculations. After the formation of a HCN trimer, amino malononitrile, amino malononitrile monoamide (3) was formed by a water addition reaction
Publikováno v:
Organic Electronics. 42:293-302
In previous studies, PSCs based on polymers with an inward alkyl positioned DTBT unit showed poor power conversion efficiency mainly due to the greatly distorted polymer backbone structure caused by severe steric hindrance between the alkyl groups on
Publikováno v:
RSC Adv.. 7:47689-47694
The competitive photodissociation kinetics of the isobutanal radical cation ((CH3)2CHCHO+˙, 1) were investigated using experimental and theoretical methods. The photodissociation was followed by the 2 + 1 REMPI process in the gas phase. The reaction