Xinjun Xu
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View article: Seasonal and Interannual Variations in M2 Tidal Current in Offshore Guangdong
Seasonal and Interannual Variations in M2 Tidal Current in Offshore Guangdong Open
Understanding tidal changes and their potential forcing mechanisms enables a better assessment of non-stationary tidal effects for projecting extreme sea levels and nuisance flooding. In this study, we investigate the seasonal and interann…
View article: Comprehensive Quality Assessment of Portulacae Herba by HPLC Fingerprint and Multiple Chemometric Analysis
Comprehensive Quality Assessment of Portulacae Herba by HPLC Fingerprint and Multiple Chemometric Analysis Open
Portulacae Herba is the dry ground part of Portulaca oleracea L. It is an annual, herbaceous and succulent plant that has been used worldwide as both food and medicine for many years. However, some market products exhibit low concentration…
View article: Salicylic Acid-Mediated Silver Nanoparticle Green Synthesis: Characterization, Enhanced Antimicrobial, and Antibiofilm Efficacy
Salicylic Acid-Mediated Silver Nanoparticle Green Synthesis: Characterization, Enhanced Antimicrobial, and Antibiofilm Efficacy Open
Objectives: Silver nanoparticles (AgNPs) were synthesized via an easy and rapid biogenic synthesis approach, utilizing the dual capabilities of salicylic acid as both a reducing and capping agent. Methods: The characterization of Salicylic…
View article: Alkoxy Modification of the Terminal Group in Nonfullerene Acceptors to Achieve Efficient Ternary Organic Solar Cells With a High Open‐Circuit Voltage
Alkoxy Modification of the Terminal Group in Nonfullerene Acceptors to Achieve Efficient Ternary Organic Solar Cells With a High Open‐Circuit Voltage Open
Y‐series nonfullerene acceptors (NFAs) usually bear halogenated end groups to achieve narrow bandgaps and tunable molecules crystallinity; however, it results in small open‐circuit voltage ( V oc ) of 0.8–0.9 V. Here, three Y‐series NFAs B…
View article: Naphthalene Diimide-Embedded Donor-Acceptor Carbon Nanohoops: Photophysical, Photoconductive and Charge Transport Properties
Naphthalene Diimide-Embedded Donor-Acceptor Carbon Nanohoops: Photophysical, Photoconductive and Charge Transport Properties Open
Designing the architecture of donor−acceptor (D−A) pairs is an effective strategy to tailor the electronic structure of conjugated macrocycles for optoelectronic devices. Herein, we present the synthesis of three D−A nanohoops NDI-[n]CPP (…
View article: Compact Chromatic Confocal Lens with Large Measurement Range
Compact Chromatic Confocal Lens with Large Measurement Range Open
Spectral confocal sensors are effective for measuring displacements. The core of the spectral confocal measurement system is a dispersive objective lens that uses optical dispersion to establish a one-to-one correspondence between the focu…
View article: Boosting Organic Solar Cells to Over 18 % Efficiency through Dipole‐Dipole Interactions in Fluorinated Nonfused Ring Electron Acceptors
Boosting Organic Solar Cells to Over 18 % Efficiency through Dipole‐Dipole Interactions in Fluorinated Nonfused Ring Electron Acceptors Open
This study successfully designed and synthesized two nonfused ring electron acceptors, 412‐6F and 412‐6Cl, modified with fluorine and chlorine substituents, respectively. Single‐crystal analysis revealed that 412‐6F possesses a planar mole…
View article: Hierarchical Solid‐Additive Strategy for Achieving Layer‐by‐Layer Organic Solar Cells with Over 19 % Efficiency
Hierarchical Solid‐Additive Strategy for Achieving Layer‐by‐Layer Organic Solar Cells with Over 19 % Efficiency Open
Layer‐by‐layer (LbL) deposition of active layers in organic solar cells (OSCs) offers immense potential for optimizing performance through precise tailoring of each layer. However, achieving high‐performance LbL OSCs with distinct solid ad…
View article: A 3,3′‐Difluoro‐2,2′‐Bithiophene Based Donor Polymer Realizing High Efficiency (>17%) Single Junction Binary Organic Solar Cells
A 3,3′‐Difluoro‐2,2′‐Bithiophene Based Donor Polymer Realizing High Efficiency (>17%) Single Junction Binary Organic Solar Cells Open
In this study, two novel donor–acceptor (D–A) copolymers are designed and synthesized, DTBT‐2T and DTBT‐2T2F with 2,2′‐bithiophene or 3,3′‐difluoro‐2,2′‐bithiophene as the donor unit and dithienobenzothiadiazole as the acceptor unit, and u…
View article: Designing high‐performance nonfused ring electron acceptors via side‐chain engineering
Designing high‐performance nonfused ring electron acceptors via side‐chain engineering Open
The side‐chain has a significant influence on the optical properties and aggregation behaviors of the organic small molecule acceptors, which becomes an important strategy to optimize the photovoltaic performance of organic solar cells. In…
View article: Designing High-performance Nonfused Ring Electron Acceptors via Side-chain Engineering
Designing High-performance Nonfused Ring Electron Acceptors via Side-chain Engineering Open
The side-chain has a significant effect on the optical properties and aggregation behaviors of the organic small molecule acceptors, which becomes an important strategy to optimize the photovoltaic performance of organic solar cells (OSCs)…
View article: Improving the Performance of Layer‐by‐Layer Processed Organic Solar Cells via Introducing a Wide‐Bandgap Dopant into the Upper Acceptor Layer
Improving the Performance of Layer‐by‐Layer Processed Organic Solar Cells via Introducing a Wide‐Bandgap Dopant into the Upper Acceptor Layer Open
The layer‐by‐layer (LbL) solution‐processed organic solar cells (OSCs) are conductive to achieve vertical phase separation, tunable donor–acceptor (D/A) interfaces, and favorable charge‐transport pathways. In this work, a wide‐bandgap comp…
View article: Simple non-fused ring electron acceptors with well-controlled terminal group stacking
Simple non-fused ring electron acceptors with well-controlled terminal group stacking Open
Producing high-performance and inexpensive non-fullerene acceptors is a great challenge in the field of organic photovoltaics. Herein, three non-fused ring electron acceptors (NFREAs), TT-O-2F, TT-S-2F, and TT-Se-2F, have been designed and…
View article: Fluoro-Modulated Molecular Geometry in Diketopyrrolopyrrole-Based Low-Bandgap Copolymers for Tuning the Photovoltaic Performance
Fluoro-Modulated Molecular Geometry in Diketopyrrolopyrrole-Based Low-Bandgap Copolymers for Tuning the Photovoltaic Performance Open
Fluorination of conjugated polymers is an effective strategy to tune the energy levels for obtaining high power conversion efficiency (PCE) in organic solar cells. In this work, we have developed fluoro-modulated molecular geometries in di…