Search Results - "Wu, Kaifeng"

Covalent organic frameworks with high quantum efficiency in sacrificial photocatalytic hydrogen evolution by Li, Chunzhi, Liu, Jiali, Li, He, Wu, Kaifeng, Wang, Junhui, Yang, Qihua

“…Organic semiconductors offer a tunable platform for photocatalysis, yet the more difficult exciton dissociation, compared to that in inorganic semiconductors,…”
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Dimension control of in situ fabricated CsPbClBr2 nanocrystal films toward efficient blue light-emitting diodes by Wang, Chenhui, Han, Dengbao, Wang, Junhui, Yang, Yingguo, Liu, Xinyue, Huang, Sheng, Zhang, Xin, Chang, Shuai, Wu, Kaifeng, Zhong, Haizheng

“…In the field of perovskite light-emitting diodes (PeLEDs), the performance of blue emissive electroluminescence devices lags behind the other counterparts due…”
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Charge Transfer Dynamics from Photoexcited Semiconductor Quantum Dots by Zhu, Haiming, Yang, Ye, Wu, Kaifeng, Lian, Tianquan

“…Understanding photoinduced charge transfer from nanomaterials is essential to the many applications of these materials. This review summarizes recent progress…”
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Triplet Sensitization and Photon Upconversion Using InP-Based Quantum Dots by Lai, Runchen, Sang, Youbao, Zhao, Yang, Wu, Kaifeng

“…Molecular triplet sensitization using colloidal semiconductor nanocrystals or quantum dots (QDs) is important for many photochemical and photonic applications…”
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Size‐ and Halide‐Dependent Auger Recombination in Lead Halide Perovskite Nanocrystals by Li, Yulu, Luo, Xiao, Ding, Tao, Lu, Xin, Wu, Kaifeng

“…Lead halide perovskite nanocrystals (NCs) hold strong promise for a variety of light‐harvesting, emitting, and detecting applications, all of which, however,…”
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Ultrafast Interfacial Electron and Hole Transfer from CsPbBr3 Perovskite Quantum Dots by Wu, Kaifeng, Liang, Guijie, Shang, Qiongyi, Ren, Yueping, Kong, Degui, Lian, Tianquan

“…Recently reported colloidal lead halide perovskite quantum dots (QDs) with tunable photoluminescence (PL) wavelengths covering the whole visible spectrum and…”
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Mechanisms of triplet energy transfer across the inorganic nanocrystal/organic molecule interface by Luo, Xiao, Han, Yaoyao, Chen, Zongwei, Li, Yulu, Liang, Guijie, Liu, Xue, Ding, Tao, Nie, Chengming, Wang, Mei, Castellano, Felix N., Wu, Kaifeng

“…The mechanisms of triplet energy transfer across the inorganic nanocrystal/organic molecule interface remain poorly understood. Many seemingly contradictory…”
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Visible-to-Ultraviolet Upconversion Efficiency above 10% Sensitized by Quantum-Confined Perovskite Nanocrystals by He, Shan, Luo, Xiao, Liu, Xue, Li, Yulu, Wu, Kaifeng

“…Photon upconversion (UC) based on sensitized triplet–triplet annihilation (TTA), TTA-UC, can potentially alleviate the transmission loss of below-band-gap…”
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Efficient Extraction of Trapped Holes from Colloidal CdS Nanorods by Wu, Kaifeng, Du, Yongling, Tang, Hua, Chen, Zheyuan, Lian, Tianquan

“…Cadmium Sulfide (CdS) nanostructures have been widely applied for solar driven H2 generations due to its suitable band gap and band edge energetics. For an…”
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Ultrafast Exciton Dynamics and Light-Driven H2 Evolution in Colloidal Semiconductor Nanorods and Pt-Tipped Nanorods by Wu, Kaifeng, Zhu, Haiming, Lian, Tianquan

“…Conspectus Colloidal quantum confined one-dimensional (1D) semiconductor nanorods (NRs) and related semiconductor–metal heterostructures are promising new…”
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Droop-Free Colloidal Quantum Dot Light-Emitting Diodes by Lim, Jaehoon, Park, Young-Shin, Wu, Kaifeng, Yun, Hyeong Jin, Klimov, Victor I

“…Colloidal semiconductor quantum dots (QDs) are a highly promising materials platform for implementing solution-processable light-emitting diodes (LEDs). They…”
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Spin blockade and phonon bottleneck for hot electron relaxation observed in n-doped colloidal quantum dots by Wang, Junhui, Wang, Lifeng, Yu, Shuwen, Ding, Tao, Xiang, Dongmei, Wu, Kaifeng

“…Understanding and manipulating hot electron dynamics in semiconductors may enable disruptive energy conversion schemes. Hot electrons in bulk semiconductors…”
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Triplet Energy Transfer from CsPbBr3 Nanocrystals Enabled by Quantum Confinement by Luo, Xiao, Lai, Runchen, Li, Yulu, Han, Yaoyao, Liang, Guijie, Liu, Xue, Ding, Tao, Wang, Junhui, Wu, Kaifeng

“…The spectral properties of lead halide perovskite nanocrystals (NCs) can be engineered by tuning either their sizes via the quantum confinement effect or their…”
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Marcus inverted region of charge transfer from low-dimensional semiconductor materials by Wang, Junhui, Ding, Tao, Gao, Kaimin, Wang, Lifeng, Zhou, Panwang, Wu, Kaifeng

“…A key process underlying the application of low-dimensional, quantum-confined semiconductors in energy conversion is charge transfer from these materials,…”
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Ultrafast Charge Separation and Long-Lived Charge Separated State in Photocatalytic CdS–Pt Nanorod Heterostructures by Wu, Kaifeng, Zhu, Haiming, Liu, Zheng, Rodríguez-Córdoba, William, Lian, Tianquan

“…Colloidal semiconductor–metal nanoheterostructures that combine the light-harvesting ability of semiconductor nanocrystals with the catalytic activity of small…”
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Superposition Principle in Auger Recombination of Charged and Neutral Multicarrier States in Semiconductor Quantum Dots by Wu, Kaifeng, Lim, Jaehoon, Klimov, Victor I

“…Application of colloidal semiconductor quantum dots (QDs) in optical and optoelectronic devices is often complicated by unintentional generation of extra…”
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Carbon‐Quantum‐Dots‐Loaded Ruthenium Nanoparticles as an Efficient Electrocatalyst for Hydrogen Production in Alkaline Media by Li, Weidong, Liu, Yuan, Wu, Min, Feng, Xiaolei, Redfern, Simon A. T., Shang, Yuan, Yong, Xue, Feng, Tanglue, Wu, Kaifeng, Liu, Zhongyi, Li, Baojun, Chen, Zhimin, Tse, John S., Lu, Siyu, Yang, Bai

“…Highly active, stable, and cheap Pt‐free catalysts for the hydrogen evolution reaction (HER) are facing increasing demand as a result of their potential use in…”
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Biexciton Auger recombination in mono-dispersed, quantum-confined CsPbBr3 perovskite nanocrystals obeys universal volume-scaling by Li, Yulu, Ding, Tao, Luo, Xiao, Chen, Zongwei, Liu, Xue, Lu, Xin, Wu, Kaifeng

“…Auger recombination has been a long-standing obstacle to many prospective applications of colloidal quantum dots (QDs) ranging from lasing, light-emitting…”
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Observation of a phonon bottleneck in copper-doped colloidal quantum dots by Wang, Lifeng, Chen, Zongwei, Liang, Guijie, Li, Yulu, Lai, Runchen, Ding, Tao, Wu, Kaifeng

“…Hot electrons can dramatically improve the efficiency of solar cells and sensitize energetically-demanding photochemical reactions. Efficient hot electron…”
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Towards zero-threshold optical gain using charged semiconductor quantum dots by Wu, Kaifeng, Park, Young-Shin, Lim, Jaehoon, Klimov, Victor I.

“…Colloidal semiconductor quantum dots are attractive materials for the realization of solution-processable lasers. However, their applications as optical-gain…”
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