Zhiyun Lu
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View article: Dataset of plant species composition and community characteristics in a long-term observation plot of mid-mountain moist evergreen broadleaf forest at Ailaoshan Station from 2005 to 2010
Dataset of plant species composition and community characteristics in a long-term observation plot of mid-mountain moist evergreen broadleaf forest at Ailaoshan Station from 2005 to 2010 Open
View article: Effects of Downed Log Decomposition on Soil Properties and Enzyme Activities in Southwest China
Effects of Downed Log Decomposition on Soil Properties and Enzyme Activities in Southwest China Open
Downed logs play crucial roles in carbon and nutrient cycling within forest ecosystems, influencing soil nutrients and revealing their functional roles in these environments. This study focuses on an evergreen broadleaf forest at Ailaoshan…
View article: Precise Molecular Engineering of Multi‐Suborganelle Targeted NIR Type‑I AIE Photosensitizer and Design of Cell Membrane‐Anchored Anti‐Tumor Pyroptosis Vaccine
Precise Molecular Engineering of Multi‐Suborganelle Targeted NIR Type‑I AIE Photosensitizer and Design of Cell Membrane‐Anchored Anti‐Tumor Pyroptosis Vaccine Open
Photodynamically induced cell immunogenic death has emerged as an effective antitumor strategy because of its capacity to stimulate anti‐tumor immunity for eliminating primary tumors and metastases. Considering that the short‐lived reactiv…
View article: Manipulating Single‐Molecule Exciplex TADF and Deep‐Blue RTP Through Non‐Covalent <i>π–π</i> Interaction in a Molecular Foldamer
Manipulating Single‐Molecule Exciplex TADF and Deep‐Blue RTP Through Non‐Covalent <i>π–π</i> Interaction in a Molecular Foldamer Open
Although the π–π stacking has been widely applied for constructing aggregated emitters in optoelectronics fields, the role of intramolecular non‐covalent π–π interactions has not been well studied. Here, a supramolecular foldermer M‐σ‐C, w…
View article: Frontispiece: Ambient Phosphor with High Efficiency and Long Lifetime in Poly(Methyl Methacrylate) Through Charge‐Transfer‐Mediated Triplet Exciton Formation for Photolithography Applications
Frontispiece: Ambient Phosphor with High Efficiency and Long Lifetime in Poly(Methyl Methacrylate) Through Charge‐Transfer‐Mediated Triplet Exciton Formation for Photolithography Applications Open
Angewandte Chemie International Edition is one of the prime chemistry journals in the world, publishing research articles, highlights, communications and reviews across all areas of chemistry.
View article: Frontispiz: Ambient Phosphor with High Efficiency and Long Lifetime in Poly(Methyl Methacrylate) Through Charge‐Transfer‐Mediated Triplet Exciton Formation for Photolithography Applications
Frontispiz: Ambient Phosphor with High Efficiency and Long Lifetime in Poly(Methyl Methacrylate) Through Charge‐Transfer‐Mediated Triplet Exciton Formation for Photolithography Applications Open
Phosphorescent Materials. In ther Communication (e202312534), Yan Huang, Zhiyun Lu et al. report the construction of a new ortho-linked donor–acceptor dyad showing a long lifetime and a high efficiency up to 30 % in PMMA matrix.
View article: Enhancing chemistry-intuitive feature learning to improve prediction performance of optical properties
Enhancing chemistry-intuitive feature learning to improve prediction performance of optical properties Open
An advanced graph neural network model is developed by enhancing chemistry intuitive feature learning to accurately predict four important optical properties of diverse emitters. Its reliability is validated by experiments.
View article: Realizing highly efficient deep-blue organic light-emitting diodes towards Rec.2020 chromaticity by restricting the vibration of the molecular framework
Realizing highly efficient deep-blue organic light-emitting diodes towards Rec.2020 chromaticity by restricting the vibration of the molecular framework Open
A deep blue TADF emitter composed of rigid D and A units was developed. BOC-PSi-based OLED exhibited not only an impressive EQE max approaching 20%, but also a superior color purity approaching the Rec.2020 blue standard.
View article: Less is More: Removing Text-regions Improves CLIP Training Efficiency and Robustness
Less is More: Removing Text-regions Improves CLIP Training Efficiency and Robustness Open
The CLIP (Contrastive Language-Image Pre-training) model and its variants are becoming the de facto backbone in many applications. However, training a CLIP model from hundreds of millions of image-text pairs can be prohibitively expensive.…
View article: Ultra-fast triplet-triplet-annihilation-mediated high-lying reverse intersystem crossing triggered by participation of nπ*-featured excited states
Ultra-fast triplet-triplet-annihilation-mediated high-lying reverse intersystem crossing triggered by participation of nπ*-featured excited states Open
View article: E2E Segmenter: Joint Segmenting and Decoding for Long-Form ASR
E2E Segmenter: Joint Segmenting and Decoding for Long-Form ASR Open
Improving the performance of end-to-end ASR models on long utterances ranging from minutes to hours in length is an ongoing challenge in speech recognition. A common solution is to segment the audio in advance using a separate voice activi…
View article: Unsupervised Data Selection via Discrete Speech Representation for ASR
Unsupervised Data Selection via Discrete Speech Representation for ASR Open
Self-supervised learning of speech representations has achieved impressive results in improving automatic speech recognition (ASR). In this paper, we show that data selection is important for self-supervised learning. We propose a simple a…
View article: Improving the fusion of acoustic and text representations in RNN-T
Improving the fusion of acoustic and text representations in RNN-T Open
The recurrent neural network transducer (RNN-T) has recently become the mainstream end-to-end approach for streaming automatic speech recognition (ASR). To estimate the output distributions over subword units, RNN-T uses a fully connected …
View article: Air-Stable Organic Radicals in Solid State from a Triphenylamine Derivative by Uv Irradiation
Air-Stable Organic Radicals in Solid State from a Triphenylamine Derivative by Uv Irradiation Open
View article: Cooperative Roles of Sn(Iv) and Cu(Ii) for Efficient Transformation of Biomass-Derived Acetol Towards Lactic Acid Production
Cooperative Roles of Sn(Iv) and Cu(Ii) for Efficient Transformation of Biomass-Derived Acetol Towards Lactic Acid Production Open
View article: Facile Access to High-Performance Reverse Intersystem Crossing Oled Materials Through an Unsymmetrical D-a-D' Molecular Scaffold
Facile Access to High-Performance Reverse Intersystem Crossing Oled Materials Through an Unsymmetrical D-a-D' Molecular Scaffold Open
View article: To Fluorinate or Not to Fluorinate in Organic Solar Cells: Achieving a Higher PCE of 15.2% when the Donor Polymer is Halogen‐Free
To Fluorinate or Not to Fluorinate in Organic Solar Cells: Achieving a Higher PCE of 15.2% when the Donor Polymer is Halogen‐Free Open
Fluorination of the donor and/or acceptor blocks of photoactive semiconducting polymers is a leading strategy to enhance organic solar cell (OSC) performance. Here, the effects are investigated in OSCs using fluorine‐free ( TPD‐3 ) and flu…
View article: Input Length Matters: Improving RNN-T and MWER Training for Long-form Telephony Speech Recognition
Input Length Matters: Improving RNN-T and MWER Training for Long-form Telephony Speech Recognition Open
End-to-end models have achieved state-of-the-art results on several automatic speech recognition tasks. However, they perform poorly when evaluated on long-form data, e.g., minutes long conversational telephony audio. One reason the model …
View article: Tuning the antiaromatic character and charge transport of pentalene-based antiaromatic compounds by substitution
Tuning the antiaromatic character and charge transport of pentalene-based antiaromatic compounds by substitution Open
Substituting electron-donating and electron-accepting substituents on antiaromatic pentalene cores can significantly tune the optical absorption, energy levels, antiaromaticity, and transistor switch-on behavior.
View article: Data-driven machine learning models for the quick and accurate prediction of thermal stability properties of OLED materials
Data-driven machine learning models for the quick and accurate prediction of thermal stability properties of OLED materials Open
Organic light-emitting-diode (OLED) materials have exhibited a wide range of applications. However, the further development and commercialization of OLEDs requires higher-quality OLED materials, including materials with a high thermal stab…
View article: Data-driven machine learning models for the quick and accurate prediction of Tg and Td of OLED materials
Data-driven machine learning models for the quick and accurate prediction of Tg and Td of OLED materials Open
Organic light-emitting-diode (OLED) materials have exhibited a wide range of applications. However, further development and commercialization of OLEDs requires higher-quality OLED materials, including high thermal stability associated with…
View article: Machine Learning based Framework for Quick Prediction of Tg and Td of OLED Materials
Machine Learning based Framework for Quick Prediction of Tg and Td of OLED Materials Open
Organic light-emitting-diode (OLED) materials have exhibited a wide range of applications. However, further development and commercialization of OLEDs requires higher-quality OLED materials, including high thermal stability associated with…
View article: Tetraphenylethylene-conjugated polycation covered iron oxide nanoparticles for magnetic resonance/optical dual-mode imaging
Tetraphenylethylene-conjugated polycation covered iron oxide nanoparticles for magnetic resonance/optical dual-mode imaging Open
Magnetic resonance (MR)/optical dual-mode imaging with high sensitivity and high tissue resolution have attracted many attentions in biomedical applications. To avert aggregation-caused quenching of conventional fluorescence chromophores, …
View article: CCDC 1894319: Experimental Crystal Structure Determination
CCDC 1894319: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 1894318: Experimental Crystal Structure Determination
CCDC 1894318: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: Study on the role of knowledge, attitude/belief, and practice (KAP) nursing mode in treating patients with fixed orthodontic appliances
Study on the role of knowledge, attitude/belief, and practice (KAP) nursing mode in treating patients with fixed orthodontic appliances Open
Objective To study and analyze the effect of applying the knowledge, attitude/belief, and practice (KAP) nursing mode in caring for patients who receive fixed orthodontic treatment. Methods A total of 112 patients who re⁃ ceived orthodonti…
View article: Density Functional Theory Investigations of D-A-D' Structural Molecules as Donor Materials in Organic Solar Cell
Density Functional Theory Investigations of D-A-D' Structural Molecules as Donor Materials in Organic Solar Cell Open
Squaraine core based small molecules in bulk heterojunction organic solar cells have received extensive attentions due to their distinguished photochemical properties in far red and infrared domain. In this paper, combining theoretical sim…
View article: Cover Feature: Acquiring High‐Performance Deep‐Blue OLED Emitters through an Unexpected Blueshift Color‐Tuning Effect Induced by Electron‐Donating ‐OMe Substituents (Chem. Eur. J. 32/2018)
Cover Feature: Acquiring High‐Performance Deep‐Blue OLED Emitters through an Unexpected Blueshift Color‐Tuning Effect Induced by Electron‐Donating ‐OMe Substituents (Chem. Eur. J. 32/2018) Open
Using 7-(diphenylamino)-4-(phenoxy)coumarin as the molecular framework, this work reports an unexpected blueshift color-tuning effect induced by moderate EDG -OMe substituents on the phenoxy moiety. With the aid of theoretical calculations…
View article: Species composition and community structure of a 20 hm2 plot of mid-mountain moist evergreen broad-leaved forest on the Mts. Ailaoshan, Yunnan Province, China
Species composition and community structure of a 20 hm2 plot of mid-mountain moist evergreen broad-leaved forest on the Mts. Ailaoshan, Yunnan Province, China Open
昆明 650223; 2 中国科学院哀牢山亚热带森林生态系统研究站, 云南景东 676209; 3 云南哀牢山无量山国家级自然保护区景东管理局, 云南景东 676209 摘 要 中山湿性常绿阔叶林是分布在我国亚热带气候区的一种山地森林植被。为监测此类森林的动态过程, 按照Centre for Tropical Forest Science的建设标准, 于2014年在云南省景东县徐家坝附近的中山湿性常绿阔叶林中建立了一块20 hm 2 的森林 动态样地, 测量并记录了样地中所…
View article: Fabricating One Cell of Refreshable Braille Display Using New Bistable Electroactive Polymers
Fabricating One Cell of Refreshable Braille Display Using New Bistable Electroactive Polymers Open
Bistable electroactive polymer (BSEP) exhibiting large-strain actuation, shape memory effect, sharp and reversible rigid-to-rubbery transition, and rigid-to-rigid deformation is regarded as a competitive candidate for refreshable Braille d…