Question

求翻译，化学高分子专业高手进

Figure 1. Normalized absorbance (left) and fluorescence (right)
spectra of twin molecules TM1-3 recorded in THF at room
temperature. Emission spectra were obtained upon excitation at the
absorption maxima.

all target molecules (TM1-3) have been confirmed by 1H
and 13C NMR spectra in CDCl3, elemental analysis, as well
as MALDI-TOF mass spectra (see the Supporting Informa-
tion).

The absorption and photoluminescent (PL) spectra of twin
molecules were recorded in dilute THF solutions as shown
in Figure 1. The photophysical properties were summarized
in Table 1. Their solid films on quartz plates used for UV-

vis and fluorescence characterization were spin coated with
2% toluene solution at 2000 rpm. All absorption spectra in
dilute THF solutions exhibited a characteristic peak of the
truxene chromophore (at about 309 nm). The λmax for TM1
was 362 nm, which red-shifted in comparison with the
truxene moiety due to the increased conjugation length, while
TM2 exhibited two peaks at 352 and 380 nm, respectively.
It’s interesting that the absorption spectra of TM3 was quite
similar to that of truxene, indicating the poor conjugation
between two truxene halves due to increased steric hindrance
by two methyl groups. We observed that the absorption
spectra of solutions and corresponding films are nearly
identical. The absorption spectra in film states for all
molecules did not show much hypsochromic shift (Figure
2), which implied that intermolecular π-π aggregation was
substantially suppressed in films owing to the large truxene
moiety.

Answer 1

图1。归吸光度（左）和荧光（右）
谱中记载，在室温四氢呋喃双分子的TM1 - 3
温度。发射光谱，激发后，在获得
最大吸收。
所有的目标分子（的TM1 - 3）已经通过1H确认
在氘代氯仿和13C，元素分析，核磁共振光谱，以及
作为电离飞行时间质谱（见Informa的支持，
荐）。
吸收和光致发光（特等）双谱
录得稀分子所示四氢呋喃解决方案
图1。总结的光物理性质
表1。他们的固体薄膜石英板用于紫外线
可见光谱和荧光特性的旋转涂敷
2％，在2000转甲苯溶液。所有的吸收光谱
稀四氢呋喃解决方案呈现的特征峰
truxene色约309海里（）。最大吸收波长为的TM1
为362纳米，而红与转移的比较
由于truxene基团的共轭长度的增加，而
TM2的陈列在352和380 nm的两个高峰，分别为。
这是有趣的吸收光谱中Tm3相当
类似truxene，表明了共轭穷人
两个半truxene由于增加空间位阻
由二甲基组。我们观察到的吸收
光谱解决方案和相应的电影几乎是
相同。在电影中的所有国家的吸收光谱
分子没有表现出多少蓝移（图
2），这意味着分子间π-π聚集
大大抑制由于大truxene电影
基团。