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Charge carrier transport and nanomorphology control for efficient non-fullerene organic solar cells

Hu, Hanlin; Deng, Wanyuan; Qin, Minchao; Yin, Hang; Lau, Tsz-Ki; Fong, Patrick W. K.; Ren, Zhiwei; Liang, Qiong; Cui, Li; Wu, Hongbin; Lu, Xinhui; Zhang, Weimin; McCulloch, Iain; Li, Gang

 (Natural) polymersApplicationCharacterizationCustomer publicationsFractal dimensionGISAXSGIWAXSMaterialOrientation analysisRenewable energySurface structure and patternsTechniqueThin films

Charge carrier transport and nanomorphology control for efficient non-fullerene organic solar cells

Hu, Hanlin; Deng, Wanyuan; Qin, Minchao; Yin, Hang; Lau, Tsz-Ki; Fong, Patrick W. K.; Ren, Zhiwei; Liang, Qiong; Cui, Li; Wu, Hongbin; Lu, Xinhui; Zhang, Weimin; McCulloch, Iain; Li, Gang

Single junction organic photovoltaic devices (OPVs) have exceeded 15% power conversion efficiency (PCE) with the help of fused ring based low-bandgap non-fullerene acceptors (NFAs). As a major type of NFA, the indacenodithiophene derivative NFA (IDTBR) has been shown to have superior OPV stability with outstanding VOC, but the efficiency is…
Fused thienobenzene-thienothiophene electron acceptors for organic solar cells

Xu, Ye; Jiang, Haotian; Lau, Tsz-Ki; Zhu, Jingshuai; Wang, Jiayu; Lu, Xinhui; Zhan, Xiaowei; Lin, Yuze

 (Natural) polymersApplicationCharacterizationCustomer publicationsGIWAXSMaterialOrientation analysisRenewable energySurface structure and patternsTechniqueThin films

Fused thienobenzene-thienothiophene electron acceptors for organic solar cells

Xu, Ye; Jiang, Haotian; Lau, Tsz-Ki; Zhu, Jingshuai; Wang, Jiayu; Lu, Xinhui; Zhan, Xiaowei; Lin, Yuze

Small molecule ladder-type heteroarenes IHBT-2F is designed and synthesized with strong electron-donating and molecular packing properties, where the central unit, fused thienobenzene-thienothiphene (IHBT), is attached with the strong electron-deficient 2-(5,6-difluoro-3-oxo-2,3-dihydro-1H-inden-1-ylidene)malononitrile (2FIC) as the end group. The counterpart IDBT-2F with…
Tailoring vertical phase distribution of quasi-two-dimensional perovskite films via surface modification of hole-transporting layer

Liu, Tiefeng; Jiang, Youyu; Qin, Minchao; Liu, Junxue; Sun, Lulu; Qin, Fei; Hu, Lin; Xiong, Sixing; Jiang, Xueshi; Jiang, Fangyuan; Peng, Ping; Jin, Shengye; Lu, Xinhui; Zhou, Yinhua

 ApplicationCharacterizationCustomer publicationsGIWAXSInorganic materialMaterialRenewable energySurface structure and patternsTechniqueThin films

Tailoring vertical phase distribution of quasi-two-dimensional perovskite films via surface modification of hole-transporting layer

Liu, Tiefeng; Jiang, Youyu; Qin, Minchao; Liu, Junxue; Sun, Lulu; Qin, Fei; Hu, Lin; Xiong, Sixing; Jiang, Xueshi; Jiang, Fangyuan; Peng, Ping; Jin, Shengye; Lu, Xinhui; Zhou, Yinhua

Vertical phase distribution plays an important role in the quasi-two-dimensional perovskite solar cells. So far, the driving force and how to tailor the vertical distribution of layer numbers have been not discussed. In this work, we report that the vertical distribution of layer numbers in the quasi-two-dimensional perovskite films deposited…
Two-dimensional inverted planar perovskite solar cells with efficiency over 15% via solvent and interface engineering

Lian, Xiaomei; Chen, Jiehuan; Zhang, Yingzhu; Tian, Shuoxun; Qin, Minchao; Li, Jun; Andersen, Thomas Rieks; Wu, Gang; Lu, Xinhui; Chen, Hongzheng

 ApplicationCharacterizationCustomer publicationsGIWAXSInorganic materialMaterialOrientation analysisRenewable energySurface structure and patternsTechniqueThin films

Two-dimensional inverted planar perovskite solar cells with efficiency over 15% via solvent and interface engineering

Lian, Xiaomei; Chen, Jiehuan; Zhang, Yingzhu; Tian, Shuoxun; Qin, Minchao; Li, Jun; Andersen, Thomas Rieks; Wu, Gang; Lu, Xinhui; Chen, Hongzheng

High short-circuit current (Jsc) and open-circuit voltage (Voc) are both required for two-dimensional (2D) perovskite solar cells (PVSCs) with high power conversion efficiency (PCE). In this work, solvent engineering is combined with interface engineering to fabricate 2D PVSCs with enhanced Jsc and Voc. Mixing formamide with N,N-dimethylformamide (DMF) was found…
Room-Temperature Meniscus Coating of >20% Perovskite Solar Cells: A Film Formation Mechanism Investigation

Hu, Hanlin; Ren, Zhiwei; Fong, Patrick W. K.; Qin, Minchao; Liu, Danjun; Lei, Dangyuan; Lu, Xinhui; Li, Gang

 ApplicationCharacterizationCustomer publicationsGIWAXSInorganic materialMaterialRenewable energySizeSurface structure and patternsTechniqueThin films

Room-Temperature Meniscus Coating of >20% Perovskite Solar Cells: A Film Formation Mechanism Investigation

Hu, Hanlin; Ren, Zhiwei; Fong, Patrick W. K.; Qin, Minchao; Liu, Danjun; Lei, Dangyuan; Lu, Xinhui; Li, Gang

Perovskite solar cells (PSCs) are ideally fabricated entirely via a scalable solution process at low temperatures to realize the promise of simple manufacturing, low-cost processing, compatibility with flexible substrates, and perovskite-based tandem solar cells. However, high-quality photoactive perovskite thin films under those processing conditions is a challenge. Here, a laminar…
The domain swapping of human cystatin C induced by synchrotron radiation

Taube, Michal; Pietralik, Zuzanna; Szymanska, Aneta; Szutkowski, Kosma; Clemens, Daniel; Grubb, Anders; Kozak, Maciej

 ApplicationCharacterizationCustomer publicationsMaterialProteins & DNA/RNASAXSShapeSizeStructural biologyTechnique

The domain swapping of human cystatin C induced by synchrotron radiation

Taube, Michal; Pietralik, Zuzanna; Szymanska, Aneta; Szutkowski, Kosma; Clemens, Daniel; Grubb, Anders; Kozak, Maciej

Domain swapping is observed for many proteins with flexible conformations. This phenomenon is often associated with the development of conformational diseases. Importantly, domain swapping has been observed for human cystatin C (HCC), a protein capable of forming amyloid deposits in brain arteries. In this study, the ability of short exposure…
Structure and self-reinforcing mechanism of biaxially oriented polyethylene pipes produced by solid phase die drawing

Kong, Chen; Wang, Yujie; Ye, Lin; Zhao, Xiaowen

 (Natural) polymersApplicationCharacterizationCrystalline fractionCustomer publicationsMaterialOrientation analysisPhase analysisPolymer researchSAXSTechnique

Structure and self-reinforcing mechanism of biaxially oriented polyethylene pipes produced by solid phase die drawing

Kong, Chen; Wang, Yujie; Ye, Lin; Zhao, Xiaowen

Biaxially oriented polyethylene (PE) pipes were prepared through solid phase die drawing technology. Drawing speed presented a prominent effect on the hoop draw ratio (DRhoop) and axial draw ratio (DRaxial) of the pipes. For pipe with DRhoop/DRaxial of 2.465/1.182, the tensile strength was improved significantly along hoop direction as well…
Thin Biobased Transparent UV-Blocking Coating Enabled by Nanoparticle Self-Assembly

Olson, Emily; Li, Yifan; Lin, Fang-Yi; Miller, Ana; Liu, Fei; Tsyrenova, Ayuna; Palm, Devin; Curtzwiler, Greg W.; Vorst, Keith L.; Cochran, Eric; Jiang, Shan

 (Natural) polymersApplicationCharacterizationCompositesCustomer publicationsFood scienceFractal dimensionMaterialParticlesSAXSShapeSizeTechnique

Thin Biobased Transparent UV-Blocking Coating Enabled by Nanoparticle Self-Assembly

Olson, Emily; Li, Yifan; Lin, Fang-Yi; Miller, Ana; Liu, Fei; Tsyrenova, Ayuna; Palm, Devin; Curtzwiler, Greg W.; Vorst, Keith L.; Cochran, Eric; Jiang, Shan

A waterborne, UV-blocking, and visually transparent nanocomposite coating was formulated with ZnO nanoparticles and 2-hydroxyethyl cellulose (HEC). The coating is highly effective (
Controlling the Supramolecular Polymerization of Donor-Acceptor π-Systems through Hydrogen Bond Intervention

Nair, Vishnu Sukumaran; Vedhanarayanan, Balaraman; Ajayaghosh, Ayyappanpillai

 (Hydro)gels(Natural) polymersApplicationCharacterizationCustomer publicationsMaterialPhase analysisPolymer researchTechniqueWAXS

Controlling the Supramolecular Polymerization of Donor-Acceptor π-Systems through Hydrogen Bond Intervention

Nair, Vishnu Sukumaran; Vedhanarayanan, Balaraman; Ajayaghosh, Ayyappanpillai

Supramolecular polymerization of donor-acceptor type molecules leads to mixed or self-sorted assemblies depending on the donor-acceptor strength and extent of noncovalent interactions between the components. Herein, we discuss how competing hydrogen bonding motifs control the supramolecular polymerization pathway of a two-component molecular π-system of oligo(p-phenylenevinylene) (OPV-B and…
Ordered structure effects on β-nucleated isotactic polypropylene/graphene oxide composites with different thermal histories

Yu, Yansong; Xu, Ruizhang; Chen, Jinyao; Kang, Jian; Xiang, Ming; Li, Yuanjie; Li, Lu; Sheng, Xingyue

 (Natural) polymersApplicationCharacteristic dimensionCharacterizationCompositesCustomer publicationsFractal dimensionMaterialPolymer researchSAXSTechniqueTemperature

Ordered structure effects on β-nucleated isotactic polypropylene/graphene oxide composites with different thermal histories

Yu, Yansong; Xu, Ruizhang; Chen, Jinyao; Kang, Jian; Xiang, Ming; Li, Yuanjie; Li, Lu; Sheng, Xingyue

In this paper, the influence of ordered structure effects (OSE) on crystallization behaviors of b-nucleated isotactic polypropylene/graphene oxide (b-iPP/GO) composites with different thermal histories, which crystallized at a slow cooling rate (called SLOW), fast cooling rate (called FAST) and medium cooling rate (called MED), respectively, was studied by differential scanning…
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