Zobrazeno 1 - 10
of 366
pro vyhledávání: '"Wallace C. H. Choy"'
Autor:
Lingmei Kong, Yun Luo, Qianqian Wu, Xiangtian Xiao, Yuanzhi Wang, Guo Chen, Jianhua Zhang, Kai Wang, Wallace C. H. Choy, Yong-Biao Zhao, Hongbo Li, Takayuki Chiba, Junji Kido, Xuyong Yang
Publikováno v:
Light: Science & Applications, Vol 13, Iss 1, Pp 1-8 (2024)
Abstract Light-emitting diodes (LEDs) based on perovskite semiconductor materials with tunable emission wavelength in visible light range as well as narrow linewidth are potential competitors among current light-emitting display technologies, but sti
Externí odkaz:
https://doaj.org/article/00a2424aa914490c8775c69e2eb69e96
Autor:
Xinjun He, Feng Qi, Xinhui Zou, Yanxun Li, Heng Liu, Xinhui Lu, Kam Sing Wong, Alex K.-Y. Jen, Wallace C. H. Choy
Publikováno v:
Nature Communications, Vol 15, Iss 1, Pp 1-9 (2024)
Abstract Dielectric constant of non-fullerene acceptors plays a critical role in organic solar cells in terms of exciton dissociation and charge recombination. Current acceptors feature a dielectric constant of 3-4, correlating to relatively high rec
Externí odkaz:
https://doaj.org/article/38175579865c41b09e34534a5bf922a9
Autor:
John Jinwook Kim, Kojima Shuji, Jiawei Zheng, Xinjun He, Ahmad Sajjad, Hong Zhang, Haibin Su, Wallace C. H. Choy
Publikováno v:
Nature Communications, Vol 15, Iss 1, Pp 1-10 (2024)
Abstract For stable operation of ultrathin flexible transparent electrodes (uFTEs), it is critical to implement effective risk management during concurrent multi-loading operation of electrical bias and mechanical folding cycles in high-humidity envi
Externí odkaz:
https://doaj.org/article/b798b809b275400fa34043816175987e
Autor:
Zhenwei Ren, Jiayun Sun, Jiahao Yu, Xiangtian Xiao, Zhaojin Wang, Ruijia Zhang, Kai Wang, Rui Chen, Yu Chen, Wallace C. H. Choy
Publikováno v:
Nano-Micro Letters, Vol 14, Iss 1, Pp 1-15 (2022)
Abstract Extensive investigation of the passivating agents has been performed to suppress the perovskite defects. However, very few attentions have been paid to rationally design the passivating agents for the balance of the carrier confinement and t
Externí odkaz:
https://doaj.org/article/09c2f108dace40ba84044376a9725b06
Autor:
Guanding Mei, Weigao Wang, Dan Wu, Philip Anthony Surman, Kai Wang, Wallace C. H. Choy, Xiaochuan Yang, Wenwei Xu, Xiao Wei Sun
Publikováno v:
IEEE Photonics Journal, Vol 14, Iss 2, Pp 1-9 (2022)
Full-color display is a primary challenge for the commercialization of quantum dots (QDs). In this study, we utilize the spectral narrowing phenomenon of microcavities to fabricate the red, green and blue quantum dot light-emitting diodes (QLEDs) wit
Externí odkaz:
https://doaj.org/article/e5a878c7aa1f4fde9bd35a2435e00c3d
Autor:
Xiaobing Tang, Zhaojin Wang, Dan Wu, Zhenghui Wu, Zhenwei Ren, Ruxue Li, Pai Liu, Guanding Mei, Jiayun Sun, Jiahao Yu, Fankai Zheng, Wallace C. H. Choy, Rui Chen, Xiao Wei Sun, Fuqian Yang, Kai Wang
Publikováno v:
Advanced Science, Vol 9, Iss 13, Pp n/a-n/a (2022)
Abstract The development of in situ growth methods for the fabrication of high‐quality perovskite single‐crystal thin films (SCTFs) directly on hole‐transport layers (HTLs) to boost the performance of optoelectronic devices is critically import
Externí odkaz:
https://doaj.org/article/27203a6709e54d90aa1c44968ec0b908
Publikováno v:
IEEE Photonics Journal, Vol 12, Iss 6, Pp 1-14 (2020)
An effective strategy based on optical tunneling is developed to significantly improve the efficiency of quantum dots light-emitting diodes (QLEDs) and perovskite light-emitting diodes (PeLEDs). Contrary to the common impression that the hole transpo
Externí odkaz:
https://doaj.org/article/a0068f8a29314fef820bfcfd6cb327a6
Publikováno v:
EcoMat, Vol 3, Iss 5, Pp n/a-n/a (2021)
Abstract As promising photovoltaic devices, perovskite solar cells (PSCs) have attracted extensive and ongoing attention due to easy manufacturing and high power conversion efficiency (PCE). Although the PCE is lower than that of PSCs with normal str
Externí odkaz:
https://doaj.org/article/bd5e1f9290fa408aa0844a170290e38e
Publikováno v:
IEEE Photonics Journal, Vol 11, Iss 5, Pp 1-13 (2019)
Visible light communication (VLC) is a kind of high-efficiency wireless communication technology. As one of the key issues in VLC, the modulation bandwidth of light-conversion materials based light-emitting diodes (LEDs) has gained considerable atten
Externí odkaz:
https://doaj.org/article/6262b06527204b9e923de822c9686ecf
Publikováno v:
Advanced Energy & Sustainability Research, Vol 2, Iss 4, Pp n/a-n/a (2021)
The demands of sustainable energy sources and depletion of conventional energy sources have accelerated the quest for attaining nontoxic and low‐cost organic solar cells (OSCs). The intrinsic characteristics of organic semiconductor materials such
Externí odkaz:
https://doaj.org/article/70d6d486d5b84cec877d9b47df0b5531