Kaichen Gu
YOU?
Author Swipe
View article: Associations between body fat and bone mineral density in children and adolescents aged 6-17 years in an urban city in China: A cross-sectional study
Associations between body fat and bone mineral density in children and adolescents aged 6-17 years in an urban city in China: A cross-sectional study Open
A cross-sectional study was conducted using a multistage cluster random sampling technique to investigate the association between body fat and forearm bone mineral density (BMD) among children and adolescents aged 6–17 years in urban China…
View article: Using 4D STEM to probe mesoscale order in molecular glass films prepared by physical vapor deposition
Using 4D STEM to probe mesoscale order in molecular glass films prepared by physical vapor deposition Open
Physical vapor deposition can be used to prepare highly stable organic glass systems where the molecules show orientational and translational ordering at the nanoscale. We have used low-dose four-dimensional scanning transmission electron …
View article: Using 4D STEM to Probe Mesoscale Order in Molecular Glass Films Prepared by Physical Vapor Deposition
Using 4D STEM to Probe Mesoscale Order in Molecular Glass Films Prepared by Physical Vapor Deposition Open
Physical vapor deposition can be used to prepare highly stable organic glass systems where the molecules show orientational and translational ordering at the nanoscale. We have used low-dose four-dimensional scanning transmission electron …
View article: 4D STEM with an Ultrafast Camera Reveals Mesoscale Structure in Anisotropic Molecular Glass Thin Films
4D STEM with an Ultrafast Camera Reveals Mesoscale Structure in Anisotropic Molecular Glass Thin Films Open
An abstract is not available for this content so a preview has been provided. As you have access to this content, a full PDF is available via the ‘Save PDF’ action button.
View article: Epitaxially crystallized polyethylene exhibiting <scp>near‐equilibrium</scp> melting temperatures*
Epitaxially crystallized polyethylene exhibiting <span>near‐equilibrium</span> melting temperatures* Open
The morphology and orientation of polymer crystals are important factors which determine the performance of thin‐film, polymer‐based technologies such as organic electronic devices and gas separation membranes. Here, we utilize polymer‐sub…
View article: Correction: A hole-transport material that also passivates perovskite surface defects for solar cells with improved efficiency and stability
Correction: A hole-transport material that also passivates perovskite surface defects for solar cells with improved efficiency and stability Open
Correction for ‘A hole-transport material that also passivates perovskite surface defects for solar cells with improved efficiency and stability’ by Xiaoming Zhao et al. , Energy Environ. Sci. , 2020, 13 , 4334–4343, https://doi.org/10.103…
View article: Ultrathin and Ultrasensitive Direct X‐ray Detector Based on Heterojunction Phototransistors
Ultrathin and Ultrasensitive Direct X‐ray Detector Based on Heterojunction Phototransistors Open
Most contemporary X‐ray detectors adopt device structures with non/low‐gain energy conversion, such that a fairly thick X‐ray photoconductor or scintillator is required to generate sufficient X‐ray‐induced charges, and thus numerous merits…
View article: Solvent‐Free Coating of Organic Semiconductor Membranes with Centimetric Crystalline Domains
Solvent‐Free Coating of Organic Semiconductor Membranes with Centimetric Crystalline Domains Open
Organic semiconductors (OSCs) have shown great promise in a variety of applications. Although solution processing of OSCs has resulted in high‐quality films, exquisite control of structural development to minimize defect formation during l…
View article: Role of Postdeposition Thermal Annealing on Intracrystallite and Intercrystallite Structuring and Charge Transport in Poly(3-hexylthiophene)
Role of Postdeposition Thermal Annealing on Intracrystallite and Intercrystallite Structuring and Charge Transport in Poly(3-hexylthiophene) Open
The performance of electronic devices comprising conjugated polymers as the active layer depends not only on the intrinsic characteristics of the materials but also on the details of the extrinsic processing conditions. In this study, we e…
View article: The Role of Tie Chains on the Mechano‐Electrical Properties of Semiconducting Polymer Films
The Role of Tie Chains on the Mechano‐Electrical Properties of Semiconducting Polymer Films Open
The mechano‐electrical properties of poly(3‐hexylthiophene) thin films are investigated as a function of their tie‐chain content. Tie chains play an indispensable role in enabling strain‐induced structural alignment and charge‐transport en…
View article: Fluorination of a polymer donor through the trifluoromethyl group for high-performance polymer solar cells
Fluorination of a polymer donor through the trifluoromethyl group for high-performance polymer solar cells Open
Polymer donor F0 is fluorinated to F1 through converting methyl group to trifluoromethyl group on side chains. F1 exhibits remarkably improved performance in polymer solar cells with a highest PCE of 13.5%.
View article: A hole-transport material that also passivates perovskite surface defects for solar cells with improved efficiency and stability
A hole-transport material that also passivates perovskite surface defects for solar cells with improved efficiency and stability Open
Incorporation of a hole-transport material that also passivates surface defects results in perovskite solar cells with superior efficiency and stability.
View article: CCDC 1889787: Experimental Crystal Structure Determination
CCDC 1889787: 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 1889786: Experimental Crystal Structure Determination
CCDC 1889786: 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 1889788: Experimental Crystal Structure Determination
CCDC 1889788: 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: The Polymer Physics of Multiscale Charge Transport in Conjugated Systems
The Polymer Physics of Multiscale Charge Transport in Conjugated Systems Open
Conjugated polymers are promising candidates for next‐generation low‐cost flexible electronics. Field‐effect transistors comprising conjugated polymers have witnessed significant improvements in device performance, notably the field‐effect…
View article: Computationally aided design of a high-performance organic semiconductor: the development of a universal crystal engineering core
Computationally aided design of a high-performance organic semiconductor: the development of a universal crystal engineering core Open
Silylethyne-functionalized benzodithiophene serves as a universal crystal engineering core to yield stable, soluble, π-stacked arrays of aromatic chromophores.
View article: Assessing the Huang–Brown Description of Tie Chains for Charge Transport in Conjugated Polymers
Assessing the Huang–Brown Description of Tie Chains for Charge Transport in Conjugated Polymers Open
Intercrystallite molecular connections are widely recognized to tremendously impact the macroscopic properties of semicrystalline polymers. Because it is challenging to directly probe such connections, theoretical frameworks have been deve…