Jiwon Song

2 months ago | pubs.rsc.org | Dong Suk Kim |Yun Shin |Dong Gyu Lee |Jiwon Song

Damp-heat stable and efficient perovskite solar cells and mini-modules with tBP-free hole-transporting layer In spiro-OMeTAD-based hole-transporting layer (HTL) protocols, 4-tert-butylpyridine (tBP) constitutes an indispensable component; however, its inclusion engenders substantial detrimental ramifications, precluding realizing thermal stability. Here, a tBP-free spiro-OMeTAD approach was successfully devised by substituting ethylene carbonate (EC) electrolyte for tBP.

Sep 15, 2024 | argus-press.com | Foster Klug |Jiwon Song |Jae Hong

POHANG, South Korea (AP) — There are two Koreas, North and South. But there's also more than one South Korea, with the nation split into camps with polar opposite views on the danger posed by the nuclear-armed neighbor to the north. This division in South Korean sentiment has lasted through a tumultuous history of war, dictatorship, poverty and, in recent decades, head-spinning though unevenly distributed economic growth.

Sep 12, 2024 | chronicle-tribune.com | Foster Klug |Jiwon Song |Jae Hong

POHANG, South Korea (AP) — There are two Koreas, North and South. But there's also more than one South Korea, with the nation split into camps with polar opposite views on the danger posed by the nuclear-armed neighbor to the north. This division in South Korean sentiment has lasted through a tumultuous history of war, dictatorship, poverty and, in recent decades, head-spinning though unevenly distributed economic growth.

Sep 12, 2024 | mcalesternews.com | Foster Klug |Jiwon Song |Jae Hong

A tourist views high-rise apartment buildings from a bus in Incheon, South Korea, Thursday, May 16, 2024. Jae C. Hong - staff, ASSOCIATED PRESS A woman walks past bronze sculptures portraying Korean War refugees in Busan, South Korea, Thursday, May 16, 2024. Busan, the only major city in the country not occupied by North Korean forces during the war, served as a refuge for those fleeing the conflict. Jae C.

Sep 12, 2024 | startribune.com | Foster Klug |Jiwon Song |JAE C. HONGThe |Jae Hong

''Kim Jong Un might really use a nuke,'' said Kim Jaehyun, a 22-year-old undergraduate law student. ''North Korea could really attack us out of the blue.''He stockpiles a bulletproof vest and other military gear in the event of a war. While many South Koreans his age know little about national defense policies, Kim attends North Korea security seminars and reads articles on war scenarios.