Browsing by Author "Wang, Yongjie"
Now showing items 1-9 of 9
-
Cation disorder engineering yields AgBiS2 nanocrystals with enhanced optical absorption for efficient ultrathin solar cells
Wang, Yongjie; Kavanagh R., Seán; Burgués-Ceballos, Ignasi; Walsh, Aron; Scanlon O., David; Konstantatos, Gerasimos (Springer Nature, 2022-03)
Article
Open AccessStrong optical absorption by a semiconductor is a highly desirable property for many optoelectronic and photovoltaic applications. The optimal thickness of a semiconductor absorber is primarily determined by its absorption ... -
Cation disorder engineering yields AgBiS2 nanocrystals with enhanced optical absorption for efficient ultrathin solar cells
Wang, Yongjie; Kavanagh, Seán R.; Burgués-Ceballos, Ignasi; Walsh, Aron; Scanlon, David O.; Konstantatos, Gerasimos (Nature, 2022-02-14)
Article
Open AccessStrong optical absorption by a semiconductor is a highly desirable property for many optoelectronic and photovoltaic applications. The optimal thickness of a semiconductor absorber is primarily determined by its absorption ... -
Colloidal AgBiS2 nanocrystals with reduced recombination yield 6.4% power conversion efficiency in solution-processed solar cells
Burgués-Ceballos, Ignasi; Wang, Yongjie; Akgul, M. Zafer; Konstantatos, Gerasimos (Elsevier, 2020-05-28)
Article
Open AccessAgBiS2 nanocrystals have recently emerged as a RoHS compliant material for photovoltaics. This heavy-metal-free ternary chalcogenide can be prepared from earth-abundant precursors, is solution-processable and presents a ... -
Eco-friendly solar cells with cation-engineered AgBiS2 nanocrystals
Wang, Yongjie (Universitat Politècnica de Catalunya, 2023-02-23)
Doctoral thesis
Open Access(English) Climate change and global energy demand urge the development of renewable energy sources for worldwide power supply. Photovoltaic devices that convert solar energy directly into electricity are the most promising, ... -
Environmentally friendly AgBiS2 nanocrystal inks for efficient solar cells employing green solvent processing
Wang, Yongjie; Peng, Lucheng; Wang, Zhuoran; Konstantatos, Gerasimos (2022-06)
Article
Open AccessSilver bismuth sulfide nanocrystals (AgBiS2 NCs) are emerging absorber materials for low-cost solar cells, owing to their solution-processability, environmentally friendliness, earth abundance, and high absorption coefficients. ... -
Highly efficient, ultrathin, Cd-free kesterite solar cells in superstrate configuration enabled by band level tuning via Ag incorporation
Wang, Zhuoran; Wang, Yongjie; Konstantatos, Gerasimos (Elsevier, 2022-04-01)
Article
Open AccessKesterite, or Cu2ZnSn(S,Se)4 (CZTS) is promising in developing sustainable PV technology due to its earth-abundant, non-toxic composition. However, issues including instability of interface, high density of defects that ... -
InSb/InP core-shell colloidal quantum dots for sensitive and fast short-wave infrared photodetectors
Peng, Lucheng; Wang, Yongjie; Ren, Yurong; Wang, Zhuoran; Cao, Pengfei; Konstantatos, Gerasimos (2024-02-02)
Article
Open AccessColloidal quantum dot (CQD) technology is considered the main contender toward a low-cost high-performance optoelectronic technology platform for applications in the short-wave infrared (SWIR) to enable 3D imaging, LIDAR ... -
InSb/InP Core–Shell Colloidal Quantum Dots for Sensitive and Fast Short-Wave Infrared Photodetectors
Peng, Lucheng; Wang, Yongjie; Ren, Yurong; Wang, Zhuoran; Cao, Pengfei; Konstantatos, Gerasimos (2024-02-02)
Article
Open Access -
Mixed AgBiS2 nanocrystals for photovoltaics and photodetectors
Burgués-Ceballos, Ignasi; Wang, Yongjie; Konstantatos, Gerasimos (Royal Society of Chemistry, 2022-03-03)
Article
Open AccessHeavy-metal-free colloidal nanocrystals are gaining due attention as low-cost, semiconducting materials for solution-processed optoelectronic applications. One common limitation of such materials is their limited carrier ...