Full Text Journal Articles by
Author Dandan Tu

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Benzene Derivatives Analysis Using Aluminum Nitride Waveguide Raman Sensors.

Megan Makela, Paul Gordon, Dandan Tu, Cyril Soliman, Gerard L Coté, Kristen Maitland, Pao Tai Lin,

Raman spectroscopy using aluminum nitride (AlN) optical waveguides was demonstrated for organic compound analysis. The AlN waveguide device was prepared by reactive sputtering deposition and complementary-metal-oxide semiconductor (CMOS) processes. A fundamental waveguide mode was observed over a broad visible spectrum and the waveguide evanescent wave was used to excite the ... Read more >>

Anal. Chem. (Analytical chemistry)
[2020, :]

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A polymeric ionic liquid as a cathode interlayer of organic photovoltaics with improved reproducibility.

Chunhua Li, Xuan Liu, Dandan Tu, Qing Yang, Xuegang Chen, Can Li, Xin Guo,

A polymeric ionic liquid (PIL) was synthesized from a small-molecule one (MIL, the monomer), and they were used as cathode interlayers in organic solar cells. Compared with the MIL, the PIL can form a more uniform film for full coverage of an active layer and efficient cathode modification, resulting in ... Read more >>

Chem. Commun. (Camb.) (Chemical communications (Cambridge, England))
[2019, 55(20):2956-2959]

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Predicting COVID-19 malignant progression with AI techniques

Xiang Bai, Cong Fang, Yu Zhou, Song Bai, Zaiyi Liu, Qianlan Chen, Yongchao Xu, Tian Xia, Shi Gong, Xudong Xie, Dejia Song, Ronghui Du, Chunhua Zhou, Chengyang Chen, Dianer Nie, Dandan Tu, Changzheng Zhang, Xiaowu Liu, Lixin Qin, Weiwei Chen,

Background: The coronavirus disease 2019 (COVID-19) has become a worldwide pandemic since mid-December 2019, which greatly challenge public medical systems. With limited medical resources, it is a natural strategy, while adopted, to access the severity of patients then determine the treatment priority. However, our work observes the fact that the ... Read more >>

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A collaborative online AI engine for CT-based COVID-19 diagnosis

Yongchao Xu, Liya Ma, Yang Fan, Yanyan Chen, Ke Ma, Jiehua Yang, Xian Yang, Yaobing Chen, Chang Shu, Ziwei Fan, Jiefeng Gan, Xinyu Zou, Renhao Huang, Changzheng Zhang, Xiaowu Liu, Dandan Tu, Chuou Xu, Wenqing Zhang, Dehua Yang, Ming-Wei Wang, Xi Wang, Xiaoliang Xie, Hongxiang Leng, Nagaraj Holalkere, Neil Halin, Ihab Roushdy Kamel, Jia Wu, Xuehua Peng, Xiang Wang, Jianbo Shao, Pattanasak Mongkolwat, Jianjun Zhang, Daniel Rubin, Guoping Wang, Chuangsheng Zheng, Zhen Li, Xiang Bai, Tian Xia,

Artificial intelligence can potentially provide a substantial role in streamlining chest computed tomography (CT) diagnosis of COVID-19 patients. However, several critical hurdles have impeded the development of robust AI model, which include deficiency, isolation, and heterogeneity of CT data generated from diverse institutions. These bring about lack of generalization of ... Read more >>

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2D Conjugated Polyelectrolytes Possessing Identical Backbone with Active-Layer Polymer as Cathode Interlayer for Organic Solar Cells.

Xuan Liu, Wei Nie, Dandan Tu, Xin Guo, Can Li,

A 2D conjugated polyelectrolyte (CPE), PBDTTh-TT-NBr, having the same backbone as the highly efficient donor polymer PTB7-Th and the quaternary ammonium pendant, is synthesized as a cathode interlayer (CIL) material for PTB7-Th-based fullerene and non-fullerene solar cells. The quaternary ammonium group is connected to the 2D conjugated backbone by a ... Read more >>

Macromol Rapid Commun (Macromolecular rapid communications)
[2020, 41(5):e1900624]

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Simple Is Best: A p-Phenylene Bridging Methoxydiphenylamine-Substituted Carbazole Hole Transporter for High-Performance Perovskite Solar Cells.

Wei Yu, Qing Yang, Jinhui Zhang, Dandan Tu, Xuchao Wang, Xuan Liu, Gang Li, Xin Guo, Can Li,

Methoxydiphenylamine-substituted carbazole (MODPACz) is widely used to construct hole-transporting materials (HTMs) for perovskite solar cells (PSCs), whose performances rely highly on the linking way of the MODPACz units and the simplicity of the π-bridge. In this paper, we report a new HTM, pPh-2MODPACz, using one of the simplest π-bridges p-phenylene ... Read more >>

ACS Appl Mater Interfaces (ACS applied materials & interfaces)
[2019, 11(33):30065-30071]

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Lowering Molecular Symmetry To Improve the Morphological Properties of the Hole-Transport Layer for Stable Perovskite Solar Cells.

Xuchao Wang, Jing Zhang, Shuwen Yu, Wei Yu, Ping Fu, Xuan Liu, Dandan Tu, Xin Guo, Can Li,

Inspired by the structural feature of the classical hole-transport material (HTM), Spiro-OMeTAD, many analogues based on a highly symmetrical spiro-core were reported for perovskite solar cells (PSCs). However, these HTMs were prone to crystallize because of the high molecular symmetry, forming non-uniform films, unfavorable for the device stability and large-area ... Read more >>

Angew. Chem. Int. Ed. Engl. (Angewandte Chemie (International ed. in English))
[2018, 57(38):12529-12533]

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Synthesis of pyrrolo[2,3-b]indole via iodine(III)-mediated intramolecular annulation.

Dandan Tu, Liying Ma, Xiaogang Tong, Xu Deng, Chengfeng Xia,

New synthetic procedures for the pyrrolo[2,3-b]indole skeleton have been developed via intramolecular annulation of indole derivatives under iodine(III). A series of indole derivatives with different protecting groups or substitutions were explored to facilitate the corresponding pyrrolo[2,3-b]indole compounds in excellent yields. ... Read more >>

Org. Lett. (Organic letters)
[2012, 14(18):4830-4833]

Cited: 7 times

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